Bug 1346026 - Unvendor pathlib2 as it is no longer a dependency for pipenv; r?ted draft
authorDave Hunt <dhunt@mozilla.com>
Thu, 10 May 2018 09:52:37 +0100
changeset 798926 1570e69909661ebecaf8eb693d87781675bb0cae
parent 798925 726601dbf354cfbf42676fbe099a7b710fc43211
push id110884
push userbmo:dave.hunt@gmail.com
push dateWed, 23 May 2018 18:38:34 +0000
reviewersted
bugs1346026
milestone62.0a1
Bug 1346026 - Unvendor pathlib2 as it is no longer a dependency for pipenv; r?ted MozReview-Commit-ID: EYQqIDuu5p
python/mozbuild/mozbuild/pipenv.txt
third_party/python/pathlib2/CHANGELOG.rst
third_party/python/pathlib2/LICENSE.rst
third_party/python/pathlib2/MANIFEST.in
third_party/python/pathlib2/PKG-INFO
third_party/python/pathlib2/README.rst
third_party/python/pathlib2/VERSION
third_party/python/pathlib2/pathlib2.py
third_party/python/pathlib2/requirements.txt
third_party/python/pathlib2/setup.cfg
third_party/python/pathlib2/setup.py
third_party/python/pathlib2/test_pathlib2.py
third_party/python/pathlib2/test_pathlib2_with_py2_unicode_literals.py
--- a/python/mozbuild/mozbuild/pipenv.txt
+++ b/python/mozbuild/mozbuild/pipenv.txt
@@ -1,6 +1,5 @@
 third_party/python/certifi
-third_party/python/pathlib2
 third_party/python/pipenv
 third_party/python/six
 third_party/python/virtualenv
 third_party/python/virtualenv-clone
deleted file mode 100644
--- a/third_party/python/pathlib2/CHANGELOG.rst
+++ /dev/null
@@ -1,94 +0,0 @@
-History
--------
-
-Version 2.1.0
-^^^^^^^^^^^^^
-
-- Sync with upstream pathlib from CPython: gethomedir, home,
-  expanduser.
-
-Version 2.0.1
-^^^^^^^^^^^^^
-
-- Fix TypeError exceptions in write_bytes and write_text (contributed
-  by Emanuele Gaifas, see pull request #2).
-
-Version 2.0
-^^^^^^^^^^^
-
-- Sync with upstream pathlib from CPython: read_text, write_text,
-  read_bytes, write_bytes, __enter__, __exit__, samefile.
-- Use travis and appveyor for continuous integration.
-- Fixed some bugs in test code.
-
-Version 1.0.1
-^^^^^^^^^^^^^
-
-- Pull request #4: Python 2.6 compatibility by eevee.
-
-Version 1.0
-^^^^^^^^^^^
-
-This version brings ``pathlib`` up to date with the official Python 3.4
-release, and also fixes a couple of 2.7-specific issues.
-
-- Python issue #20765: Add missing documentation for PurePath.with_name()
-  and PurePath.with_suffix().
-- Fix test_mkdir_parents when the working directory has additional bits
-  set (such as the setgid or sticky bits).
-- Python issue #20111: pathlib.Path.with_suffix() now sanity checks the
-  given suffix.
-- Python issue #19918: Fix PurePath.relative_to() under Windows.
-- Python issue #19921: When Path.mkdir() is called with parents=True, any
-  missing parent is created with the default permissions, ignoring the mode
-  argument (mimicking the POSIX "mkdir -p" command).
-- Python issue #19887: Improve the Path.resolve() algorithm to support
-  certain symlink chains.
-- Make pathlib usable under Python 2.7 with unicode pathnames (only pure
-  ASCII, though).
-- Issue #21: fix TypeError under Python 2.7 when using new division.
-- Add tox support for easier testing.
-
-Version 0.97
-^^^^^^^^^^^^
-
-This version brings ``pathlib`` up to date with the final API specified
-in :pep:`428`.  The changes are too long to list here, it is recommended
-to read the `documentation <https://pathlib.readthedocs.org/>`_.
-
-.. warning::
-   The API in this version is partially incompatible with pathlib 0.8 and
-   earlier.  Be sure to check your code for possible breakage!
-
-Version 0.8
-^^^^^^^^^^^
-
-- Add PurePath.name and PurePath.anchor.
-- Add Path.owner and Path.group.
-- Add Path.replace().
-- Add Path.as_uri().
-- Issue #10: when creating a file with Path.open(), don't set the executable
-  bit.
-- Issue #11: fix comparisons with non-Path objects.
-
-Version 0.7
-^^^^^^^^^^^
-
-- Add '**' (recursive) patterns to Path.glob().
-- Fix openat() support after the API refactoring in Python 3.3 beta1.
-- Add a *target_is_directory* argument to Path.symlink_to()
-
-Version 0.6
-^^^^^^^^^^^
-
-- Add Path.is_file() and Path.is_symlink()
-- Add Path.glob() and Path.rglob()
-- Add PurePath.match()
-
-Version 0.5
-^^^^^^^^^^^
-
-- Add Path.mkdir().
-- Add Python 2.7 compatibility by Michele Lacchia.
-- Make parent() raise ValueError when the level is greater than the path
-  length.
deleted file mode 100644
--- a/third_party/python/pathlib2/LICENSE.rst
+++ /dev/null
@@ -1,23 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2014 Matthias C. M. Troffaes
-Copyright (c) 2012-2014 Antoine Pitrou and contributors
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
deleted file mode 100644
--- a/third_party/python/pathlib2/MANIFEST.in
+++ /dev/null
@@ -1,7 +0,0 @@
-include *.py
-include *.rst
-include VERSION
-include requirements.txt
-exclude .travis.yml
-exclude appveyor.yml
-prune appveyor
deleted file mode 100644
--- a/third_party/python/pathlib2/PKG-INFO
+++ /dev/null
@@ -1,81 +0,0 @@
-Metadata-Version: 1.1
-Name: pathlib2
-Version: 2.1.0
-Summary: Object-oriented filesystem paths
-Home-page: https://pypi.python.org/pypi/pathlib2/
-Author: Matthias C. M. Troffaes
-Author-email: matthias.troffaes@gmail.com
-License: MIT
-Download-URL: https://pypi.python.org/pypi/pathlib2/
-Description: The `old pathlib <https://bitbucket.org/pitrou/pathlib>`_
-        module on bitbucket is in bugfix-only mode.
-        The goal of pathlib2 is to provide a backport of
-        `standard pathlib <http://docs.python.org/dev/library/pathlib.html>`_
-        module which tracks the standard library module,
-        so all the newest features of the standard pathlib can be
-        used also on older Python versions.
-        
-        Download
-        --------
-        
-        Standalone releases are available on PyPI:
-        http://pypi.python.org/pypi/pathlib2/
-        
-        Development
-        -----------
-        
-        The main development takes place in the Python standard library: see
-        the `Python developer's guide <http://docs.python.org/devguide/>`_.
-        In particular, new features should be submitted to the
-        `Python bug tracker <http://bugs.python.org/>`_.
-        
-        Issues that occur in this backport, but that do not occur not in the
-        standard Python pathlib module can be submitted on
-        the `pathlib2 bug tracker <https://github.com/mcmtroffaes/pathlib2/issues>`_.
-        
-        Documentation
-        -------------
-        
-        Refer to the
-        `standard pathlib <http://docs.python.org/dev/library/pathlib.html>`_
-        documentation.
-        
-        .. |travis| image:: https://travis-ci.org/mcmtroffaes/pathlib2.png?branch=develop
-            :target: https://travis-ci.org/mcmtroffaes/pathlib2
-            :alt: travis-ci
-        
-        .. |appveyor| image:: https://ci.appveyor.com/api/projects/status/baddx3rpet2wyi2c?svg=true
-            :target: https://ci.appveyor.com/project/mcmtroffaes/pathlib2
-            :alt: appveyor
-        
-        .. |coveralls| image:: https://coveralls.io/repos/mcmtroffaes/pathlib2/badge.png?branch=develop
-            :target: https://coveralls.io/r/mcmtroffaes/pathlib2?branch=develop
-            :alt: coveralls.io
-        
-        .. |downloads| image:: https://pypip.in/d/pathlib2/badge.png
-            :target: http://pypi.python.org/pypi/pathlib2/
-            :alt: downloads
-        
-        .. |version| image:: https://pypip.in/v/pathlib2/badge.png
-            :target: http://pypi.python.org/pypi/pathlib2/
-            :alt: latest version
-        
-        .. |license| image:: https://pypip.in/license/pathlib2/badge.png
-            :target: http://pypi.python.org/pypi/pathlib2/
-            :alt: license
-        
-Platform: UNKNOWN
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: MIT License
-Classifier: Operating System :: OS Independent
-Classifier: Programming Language :: Python
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 2.6
-Classifier: Programming Language :: Python :: 2.7
-Classifier: Programming Language :: Python :: 3.2
-Classifier: Programming Language :: Python :: 3.3
-Classifier: Programming Language :: Python :: 3.4
-Classifier: Topic :: Software Development :: Libraries
-Classifier: Topic :: System :: Filesystems
deleted file mode 100644
--- a/third_party/python/pathlib2/README.rst
+++ /dev/null
@@ -1,63 +0,0 @@
-pathlib2
-========
-
-|appveyor| |travis| |coveralls| |downloads| |version| |license|
-
-Fork of pathlib aiming to support the full stdlib Python API.
-
-The `old pathlib <https://bitbucket.org/pitrou/pathlib>`_
-module on bitbucket is in bugfix-only mode.
-The goal of pathlib2 is to provide a backport of
-`standard pathlib <http://docs.python.org/dev/library/pathlib.html>`_
-module which tracks the standard library module,
-so all the newest features of the standard pathlib can be
-used also on older Python versions.
-
-Download
---------
-
-Standalone releases are available on PyPI:
-http://pypi.python.org/pypi/pathlib2/
-
-Development
------------
-
-The main development takes place in the Python standard library: see
-the `Python developer's guide <http://docs.python.org/devguide/>`_.
-In particular, new features should be submitted to the
-`Python bug tracker <http://bugs.python.org/>`_.
-
-Issues that occur in this backport, but that do not occur not in the
-standard Python pathlib module can be submitted on
-the `pathlib2 bug tracker <https://github.com/mcmtroffaes/pathlib2/issues>`_.
-
-Documentation
--------------
-
-Refer to the
-`standard pathlib <http://docs.python.org/dev/library/pathlib.html>`_
-documentation.
-
-.. |travis| image:: https://travis-ci.org/mcmtroffaes/pathlib2.png?branch=develop
-    :target: https://travis-ci.org/mcmtroffaes/pathlib2
-    :alt: travis-ci
-
-.. |appveyor| image:: https://ci.appveyor.com/api/projects/status/baddx3rpet2wyi2c?svg=true
-    :target: https://ci.appveyor.com/project/mcmtroffaes/pathlib2
-    :alt: appveyor
-
-.. |coveralls| image:: https://coveralls.io/repos/mcmtroffaes/pathlib2/badge.png?branch=develop
-    :target: https://coveralls.io/r/mcmtroffaes/pathlib2?branch=develop
-    :alt: coveralls.io
-
-.. |downloads| image:: https://pypip.in/d/pathlib2/badge.png
-    :target: http://pypi.python.org/pypi/pathlib2/
-    :alt: downloads
-
-.. |version| image:: https://pypip.in/v/pathlib2/badge.png
-    :target: http://pypi.python.org/pypi/pathlib2/
-    :alt: latest version
-
-.. |license| image:: https://pypip.in/license/pathlib2/badge.png
-    :target: http://pypi.python.org/pypi/pathlib2/
-    :alt: license
deleted file mode 100644
--- a/third_party/python/pathlib2/VERSION
+++ /dev/null
@@ -1,1 +0,0 @@
-2.1.0
deleted file mode 100644
--- a/third_party/python/pathlib2/pathlib2.py
+++ /dev/null
@@ -1,1566 +0,0 @@
-import ctypes
-import fnmatch
-import functools
-import io
-import ntpath
-import os
-import posixpath
-import re
-import six
-import sys
-from collections import Sequence
-from contextlib import contextmanager
-from errno import EINVAL, ENOENT, ENOTDIR, EEXIST
-from operator import attrgetter
-from stat import (
-    S_ISDIR, S_ISLNK, S_ISREG, S_ISSOCK, S_ISBLK, S_ISCHR, S_ISFIFO)
-try:
-    from urllib import quote as urlquote_from_bytes
-except ImportError:
-    from urllib.parse import quote_from_bytes as urlquote_from_bytes
-
-
-try:
-    intern = intern
-except NameError:
-    intern = sys.intern
-try:
-    basestring = basestring
-except NameError:
-    basestring = str
-
-supports_symlinks = True
-try:
-    import nt
-except ImportError:
-    nt = None
-else:
-    if sys.getwindowsversion()[:2] >= (6, 0) and sys.version_info >= (3, 2):
-        from nt import _getfinalpathname
-    else:
-        supports_symlinks = False
-        _getfinalpathname = None
-
-
-__all__ = [
-    "PurePath", "PurePosixPath", "PureWindowsPath",
-    "Path", "PosixPath", "WindowsPath",
-    ]
-
-#
-# Internals
-#
-
-
-def _py2_fsencode(parts):
-    # py2 => minimal unicode support
-    assert six.PY2
-    return [part.encode('ascii') if isinstance(part, six.text_type)
-            else part for part in parts]
-
-
-def _try_except_fileexistserror(try_func, except_func):
-    if sys.version_info >= (3, 3):
-        try:
-            try_func()
-        except FileExistsError as exc:
-            except_func(exc)
-    else:
-        try:
-            try_func()
-        except EnvironmentError as exc:
-            if exc.errno != EEXIST:
-                raise
-            else:
-                except_func(exc)
-
-
-def _win32_get_unique_path_id(path):
-    # get file information, needed for samefile on older Python versions
-    # see http://timgolden.me.uk/python/win32_how_do_i/
-    # see_if_two_files_are_the_same_file.html
-    from ctypes import POINTER, Structure, WinError
-    from ctypes.wintypes import DWORD, HANDLE, BOOL
-
-    class FILETIME(Structure):
-        _fields_ = [("datetime_lo", DWORD),
-                    ("datetime_hi", DWORD),
-                    ]
-
-    class BY_HANDLE_FILE_INFORMATION(Structure):
-        _fields_ = [("attributes", DWORD),
-                    ("created_at", FILETIME),
-                    ("accessed_at", FILETIME),
-                    ("written_at", FILETIME),
-                    ("volume", DWORD),
-                    ("file_hi", DWORD),
-                    ("file_lo", DWORD),
-                    ("n_links", DWORD),
-                    ("index_hi", DWORD),
-                    ("index_lo", DWORD),
-                    ]
-
-    CreateFile = ctypes.windll.kernel32.CreateFileW
-    CreateFile.argtypes = [ctypes.c_wchar_p, DWORD, DWORD, ctypes.c_void_p,
-                           DWORD, DWORD, HANDLE]
-    CreateFile.restype = HANDLE
-    GetFileInformationByHandle = (
-        ctypes.windll.kernel32.GetFileInformationByHandle)
-    GetFileInformationByHandle.argtypes = [
-        HANDLE, POINTER(BY_HANDLE_FILE_INFORMATION)]
-    GetFileInformationByHandle.restype = BOOL
-    CloseHandle = ctypes.windll.kernel32.CloseHandle
-    CloseHandle.argtypes = [HANDLE]
-    CloseHandle.restype = BOOL
-    GENERIC_READ = 0x80000000
-    FILE_SHARE_READ = 0x00000001
-    FILE_FLAG_BACKUP_SEMANTICS = 0x02000000
-    OPEN_EXISTING = 3
-    if os.path.isdir(path):
-        flags = FILE_FLAG_BACKUP_SEMANTICS
-    else:
-        flags = 0
-    hfile = CreateFile(path, GENERIC_READ, FILE_SHARE_READ,
-                       None, OPEN_EXISTING, flags, None)
-    if hfile == 0xffffffff:
-        if sys.version_info >= (3, 3):
-            raise FileNotFoundError(path)
-        else:
-            exc = OSError("file not found: path")
-            exc.errno = ENOENT
-            raise exc
-    info = BY_HANDLE_FILE_INFORMATION()
-    success = GetFileInformationByHandle(hfile, info)
-    CloseHandle(hfile)
-    if success == 0:
-        raise WinError()
-    return info.volume, info.index_hi, info.index_lo
-
-
-def _is_wildcard_pattern(pat):
-    # Whether this pattern needs actual matching using fnmatch, or can
-    # be looked up directly as a file.
-    return "*" in pat or "?" in pat or "[" in pat
-
-
-class _Flavour(object):
-
-    """A flavour implements a particular (platform-specific) set of path
-    semantics."""
-
-    def __init__(self):
-        self.join = self.sep.join
-
-    def parse_parts(self, parts):
-        if six.PY2:
-            parts = _py2_fsencode(parts)
-        parsed = []
-        sep = self.sep
-        altsep = self.altsep
-        drv = root = ''
-        it = reversed(parts)
-        for part in it:
-            if not part:
-                continue
-            if altsep:
-                part = part.replace(altsep, sep)
-            drv, root, rel = self.splitroot(part)
-            if sep in rel:
-                for x in reversed(rel.split(sep)):
-                    if x and x != '.':
-                        parsed.append(intern(x))
-            else:
-                if rel and rel != '.':
-                    parsed.append(intern(rel))
-            if drv or root:
-                if not drv:
-                    # If no drive is present, try to find one in the previous
-                    # parts. This makes the result of parsing e.g.
-                    # ("C:", "/", "a") reasonably intuitive.
-                    for part in it:
-                        if not part:
-                            continue
-                        if altsep:
-                            part = part.replace(altsep, sep)
-                        drv = self.splitroot(part)[0]
-                        if drv:
-                            break
-                break
-        if drv or root:
-            parsed.append(drv + root)
-        parsed.reverse()
-        return drv, root, parsed
-
-    def join_parsed_parts(self, drv, root, parts, drv2, root2, parts2):
-        """
-        Join the two paths represented by the respective
-        (drive, root, parts) tuples.  Return a new (drive, root, parts) tuple.
-        """
-        if root2:
-            if not drv2 and drv:
-                return drv, root2, [drv + root2] + parts2[1:]
-        elif drv2:
-            if drv2 == drv or self.casefold(drv2) == self.casefold(drv):
-                # Same drive => second path is relative to the first
-                return drv, root, parts + parts2[1:]
-        else:
-            # Second path is non-anchored (common case)
-            return drv, root, parts + parts2
-        return drv2, root2, parts2
-
-
-class _WindowsFlavour(_Flavour):
-    # Reference for Windows paths can be found at
-    # http://msdn.microsoft.com/en-us/library/aa365247%28v=vs.85%29.aspx
-
-    sep = '\\'
-    altsep = '/'
-    has_drv = True
-    pathmod = ntpath
-
-    is_supported = (os.name == 'nt')
-
-    drive_letters = (
-        set(chr(x) for x in range(ord('a'), ord('z') + 1)) |
-        set(chr(x) for x in range(ord('A'), ord('Z') + 1))
-    )
-    ext_namespace_prefix = '\\\\?\\'
-
-    reserved_names = (
-        set(['CON', 'PRN', 'AUX', 'NUL']) |
-        set(['COM%d' % i for i in range(1, 10)]) |
-        set(['LPT%d' % i for i in range(1, 10)])
-        )
-
-    # Interesting findings about extended paths:
-    # - '\\?\c:\a', '//?/c:\a' and '//?/c:/a' are all supported
-    #   but '\\?\c:/a' is not
-    # - extended paths are always absolute; "relative" extended paths will
-    #   fail.
-
-    def splitroot(self, part, sep=sep):
-        first = part[0:1]
-        second = part[1:2]
-        if (second == sep and first == sep):
-            # XXX extended paths should also disable the collapsing of "."
-            # components (according to MSDN docs).
-            prefix, part = self._split_extended_path(part)
-            first = part[0:1]
-            second = part[1:2]
-        else:
-            prefix = ''
-        third = part[2:3]
-        if (second == sep and first == sep and third != sep):
-            # is a UNC path:
-            # vvvvvvvvvvvvvvvvvvvvv root
-            # \\machine\mountpoint\directory\etc\...
-            #            directory ^^^^^^^^^^^^^^
-            index = part.find(sep, 2)
-            if index != -1:
-                index2 = part.find(sep, index + 1)
-                # a UNC path can't have two slashes in a row
-                # (after the initial two)
-                if index2 != index + 1:
-                    if index2 == -1:
-                        index2 = len(part)
-                    if prefix:
-                        return prefix + part[1:index2], sep, part[index2 + 1:]
-                    else:
-                        return part[:index2], sep, part[index2 + 1:]
-        drv = root = ''
-        if second == ':' and first in self.drive_letters:
-            drv = part[:2]
-            part = part[2:]
-            first = third
-        if first == sep:
-            root = first
-            part = part.lstrip(sep)
-        return prefix + drv, root, part
-
-    def casefold(self, s):
-        return s.lower()
-
-    def casefold_parts(self, parts):
-        return [p.lower() for p in parts]
-
-    def resolve(self, path):
-        s = str(path)
-        if not s:
-            return os.getcwd()
-        if _getfinalpathname is not None:
-            return self._ext_to_normal(_getfinalpathname(s))
-        # Means fallback on absolute
-        return None
-
-    def _split_extended_path(self, s, ext_prefix=ext_namespace_prefix):
-        prefix = ''
-        if s.startswith(ext_prefix):
-            prefix = s[:4]
-            s = s[4:]
-            if s.startswith('UNC\\'):
-                prefix += s[:3]
-                s = '\\' + s[3:]
-        return prefix, s
-
-    def _ext_to_normal(self, s):
-        # Turn back an extended path into a normal DOS-like path
-        return self._split_extended_path(s)[1]
-
-    def is_reserved(self, parts):
-        # NOTE: the rules for reserved names seem somewhat complicated
-        # (e.g. r"..\NUL" is reserved but not r"foo\NUL").
-        # We err on the side of caution and return True for paths which are
-        # not considered reserved by Windows.
-        if not parts:
-            return False
-        if parts[0].startswith('\\\\'):
-            # UNC paths are never reserved
-            return False
-        return parts[-1].partition('.')[0].upper() in self.reserved_names
-
-    def make_uri(self, path):
-        # Under Windows, file URIs use the UTF-8 encoding.
-        drive = path.drive
-        if len(drive) == 2 and drive[1] == ':':
-            # It's a path on a local drive => 'file:///c:/a/b'
-            rest = path.as_posix()[2:].lstrip('/')
-            return 'file:///%s/%s' % (
-                drive, urlquote_from_bytes(rest.encode('utf-8')))
-        else:
-            # It's a path on a network drive => 'file://host/share/a/b'
-            return 'file:' + urlquote_from_bytes(
-                path.as_posix().encode('utf-8'))
-
-    def gethomedir(self, username):
-        if 'HOME' in os.environ:
-            userhome = os.environ['HOME']
-        elif 'USERPROFILE' in os.environ:
-            userhome = os.environ['USERPROFILE']
-        elif 'HOMEPATH' in os.environ:
-            try:
-                drv = os.environ['HOMEDRIVE']
-            except KeyError:
-                drv = ''
-            userhome = drv + os.environ['HOMEPATH']
-        else:
-            raise RuntimeError("Can't determine home directory")
-
-        if username:
-            # Try to guess user home directory.  By default all users
-            # directories are located in the same place and are named by
-            # corresponding usernames.  If current user home directory points
-            # to nonstandard place, this guess is likely wrong.
-            if os.environ['USERNAME'] != username:
-                drv, root, parts = self.parse_parts((userhome,))
-                if parts[-1] != os.environ['USERNAME']:
-                    raise RuntimeError("Can't determine home directory "
-                                       "for %r" % username)
-                parts[-1] = username
-                if drv or root:
-                    userhome = drv + root + self.join(parts[1:])
-                else:
-                    userhome = self.join(parts)
-        return userhome
-
-
-class _PosixFlavour(_Flavour):
-    sep = '/'
-    altsep = ''
-    has_drv = False
-    pathmod = posixpath
-
-    is_supported = (os.name != 'nt')
-
-    def splitroot(self, part, sep=sep):
-        if part and part[0] == sep:
-            stripped_part = part.lstrip(sep)
-            # According to POSIX path resolution:
-            # http://pubs.opengroup.org/onlinepubs/009695399/basedefs/
-            # xbd_chap04.html#tag_04_11
-            # "A pathname that begins with two successive slashes may be
-            # interpreted in an implementation-defined manner, although more
-            # than two leading slashes shall be treated as a single slash".
-            if len(part) - len(stripped_part) == 2:
-                return '', sep * 2, stripped_part
-            else:
-                return '', sep, stripped_part
-        else:
-            return '', '', part
-
-    def casefold(self, s):
-        return s
-
-    def casefold_parts(self, parts):
-        return parts
-
-    def resolve(self, path):
-        sep = self.sep
-        accessor = path._accessor
-        seen = {}
-
-        def _resolve(path, rest):
-            if rest.startswith(sep):
-                path = ''
-
-            for name in rest.split(sep):
-                if not name or name == '.':
-                    # current dir
-                    continue
-                if name == '..':
-                    # parent dir
-                    path, _, _ = path.rpartition(sep)
-                    continue
-                newpath = path + sep + name
-                if newpath in seen:
-                    # Already seen this path
-                    path = seen[newpath]
-                    if path is not None:
-                        # use cached value
-                        continue
-                    # The symlink is not resolved, so we must have a symlink
-                    # loop.
-                    raise RuntimeError("Symlink loop from %r" % newpath)
-                # Resolve the symbolic link
-                try:
-                    target = accessor.readlink(newpath)
-                except OSError as e:
-                    if e.errno != EINVAL:
-                        raise
-                    # Not a symlink
-                    path = newpath
-                else:
-                    seen[newpath] = None  # not resolved symlink
-                    path = _resolve(path, target)
-                    seen[newpath] = path  # resolved symlink
-
-            return path
-        # NOTE: according to POSIX, getcwd() cannot contain path components
-        # which are symlinks.
-        base = '' if path.is_absolute() else os.getcwd()
-        return _resolve(base, str(path)) or sep
-
-    def is_reserved(self, parts):
-        return False
-
-    def make_uri(self, path):
-        # We represent the path using the local filesystem encoding,
-        # for portability to other applications.
-        bpath = bytes(path)
-        return 'file://' + urlquote_from_bytes(bpath)
-
-    def gethomedir(self, username):
-        if not username:
-            try:
-                return os.environ['HOME']
-            except KeyError:
-                import pwd
-                return pwd.getpwuid(os.getuid()).pw_dir
-        else:
-            import pwd
-            try:
-                return pwd.getpwnam(username).pw_dir
-            except KeyError:
-                raise RuntimeError("Can't determine home directory "
-                                   "for %r" % username)
-
-_windows_flavour = _WindowsFlavour()
-_posix_flavour = _PosixFlavour()
-
-
-class _Accessor:
-
-    """An accessor implements a particular (system-specific or not) way of
-    accessing paths on the filesystem."""
-
-
-class _NormalAccessor(_Accessor):
-
-    def _wrap_strfunc(strfunc):
-        @functools.wraps(strfunc)
-        def wrapped(pathobj, *args):
-            return strfunc(str(pathobj), *args)
-        return staticmethod(wrapped)
-
-    def _wrap_binary_strfunc(strfunc):
-        @functools.wraps(strfunc)
-        def wrapped(pathobjA, pathobjB, *args):
-            return strfunc(str(pathobjA), str(pathobjB), *args)
-        return staticmethod(wrapped)
-
-    stat = _wrap_strfunc(os.stat)
-
-    lstat = _wrap_strfunc(os.lstat)
-
-    open = _wrap_strfunc(os.open)
-
-    listdir = _wrap_strfunc(os.listdir)
-
-    chmod = _wrap_strfunc(os.chmod)
-
-    if hasattr(os, "lchmod"):
-        lchmod = _wrap_strfunc(os.lchmod)
-    else:
-        def lchmod(self, pathobj, mode):
-            raise NotImplementedError("lchmod() not available on this system")
-
-    mkdir = _wrap_strfunc(os.mkdir)
-
-    unlink = _wrap_strfunc(os.unlink)
-
-    rmdir = _wrap_strfunc(os.rmdir)
-
-    rename = _wrap_binary_strfunc(os.rename)
-
-    if sys.version_info >= (3, 3):
-        replace = _wrap_binary_strfunc(os.replace)
-
-    if nt:
-        if supports_symlinks:
-            symlink = _wrap_binary_strfunc(os.symlink)
-        else:
-            def symlink(a, b, target_is_directory):
-                raise NotImplementedError(
-                    "symlink() not available on this system")
-    else:
-        # Under POSIX, os.symlink() takes two args
-        @staticmethod
-        def symlink(a, b, target_is_directory):
-            return os.symlink(str(a), str(b))
-
-    utime = _wrap_strfunc(os.utime)
-
-    # Helper for resolve()
-    def readlink(self, path):
-        return os.readlink(path)
-
-
-_normal_accessor = _NormalAccessor()
-
-
-#
-# Globbing helpers
-#
-
-@contextmanager
-def _cached(func):
-    try:
-        func.__cached__
-        yield func
-    except AttributeError:
-        cache = {}
-
-        def wrapper(*args):
-            try:
-                return cache[args]
-            except KeyError:
-                value = cache[args] = func(*args)
-                return value
-        wrapper.__cached__ = True
-        try:
-            yield wrapper
-        finally:
-            cache.clear()
-
-
-def _make_selector(pattern_parts):
-    pat = pattern_parts[0]
-    child_parts = pattern_parts[1:]
-    if pat == '**':
-        cls = _RecursiveWildcardSelector
-    elif '**' in pat:
-        raise ValueError(
-            "Invalid pattern: '**' can only be an entire path component")
-    elif _is_wildcard_pattern(pat):
-        cls = _WildcardSelector
-    else:
-        cls = _PreciseSelector
-    return cls(pat, child_parts)
-
-if hasattr(functools, "lru_cache"):
-    _make_selector = functools.lru_cache()(_make_selector)
-
-
-class _Selector:
-
-    """A selector matches a specific glob pattern part against the children
-    of a given path."""
-
-    def __init__(self, child_parts):
-        self.child_parts = child_parts
-        if child_parts:
-            self.successor = _make_selector(child_parts)
-        else:
-            self.successor = _TerminatingSelector()
-
-    def select_from(self, parent_path):
-        """Iterate over all child paths of `parent_path` matched by this
-        selector.  This can contain parent_path itself."""
-        path_cls = type(parent_path)
-        is_dir = path_cls.is_dir
-        exists = path_cls.exists
-        listdir = parent_path._accessor.listdir
-        return self._select_from(parent_path, is_dir, exists, listdir)
-
-
-class _TerminatingSelector:
-
-    def _select_from(self, parent_path, is_dir, exists, listdir):
-        yield parent_path
-
-
-class _PreciseSelector(_Selector):
-
-    def __init__(self, name, child_parts):
-        self.name = name
-        _Selector.__init__(self, child_parts)
-
-    def _select_from(self, parent_path, is_dir, exists, listdir):
-        if not is_dir(parent_path):
-            return
-        path = parent_path._make_child_relpath(self.name)
-        if exists(path):
-            for p in self.successor._select_from(
-                    path, is_dir, exists, listdir):
-                yield p
-
-
-class _WildcardSelector(_Selector):
-
-    def __init__(self, pat, child_parts):
-        self.pat = re.compile(fnmatch.translate(pat))
-        _Selector.__init__(self, child_parts)
-
-    def _select_from(self, parent_path, is_dir, exists, listdir):
-        if not is_dir(parent_path):
-            return
-        cf = parent_path._flavour.casefold
-        for name in listdir(parent_path):
-            casefolded = cf(name)
-            if self.pat.match(casefolded):
-                path = parent_path._make_child_relpath(name)
-                for p in self.successor._select_from(
-                        path, is_dir, exists, listdir):
-                    yield p
-
-
-class _RecursiveWildcardSelector(_Selector):
-
-    def __init__(self, pat, child_parts):
-        _Selector.__init__(self, child_parts)
-
-    def _iterate_directories(self, parent_path, is_dir, listdir):
-        yield parent_path
-        for name in listdir(parent_path):
-            path = parent_path._make_child_relpath(name)
-            if is_dir(path):
-                for p in self._iterate_directories(path, is_dir, listdir):
-                    yield p
-
-    def _select_from(self, parent_path, is_dir, exists, listdir):
-        if not is_dir(parent_path):
-            return
-        with _cached(listdir) as listdir:
-            yielded = set()
-            try:
-                successor_select = self.successor._select_from
-                for starting_point in self._iterate_directories(
-                        parent_path, is_dir, listdir):
-                    for p in successor_select(
-                            starting_point, is_dir, exists, listdir):
-                        if p not in yielded:
-                            yield p
-                            yielded.add(p)
-            finally:
-                yielded.clear()
-
-
-#
-# Public API
-#
-
-class _PathParents(Sequence):
-
-    """This object provides sequence-like access to the logical ancestors
-    of a path.  Don't try to construct it yourself."""
-    __slots__ = ('_pathcls', '_drv', '_root', '_parts')
-
-    def __init__(self, path):
-        # We don't store the instance to avoid reference cycles
-        self._pathcls = type(path)
-        self._drv = path._drv
-        self._root = path._root
-        self._parts = path._parts
-
-    def __len__(self):
-        if self._drv or self._root:
-            return len(self._parts) - 1
-        else:
-            return len(self._parts)
-
-    def __getitem__(self, idx):
-        if idx < 0 or idx >= len(self):
-            raise IndexError(idx)
-        return self._pathcls._from_parsed_parts(self._drv, self._root,
-                                                self._parts[:-idx - 1])
-
-    def __repr__(self):
-        return "<{0}.parents>".format(self._pathcls.__name__)
-
-
-class PurePath(object):
-
-    """PurePath represents a filesystem path and offers operations which
-    don't imply any actual filesystem I/O.  Depending on your system,
-    instantiating a PurePath will return either a PurePosixPath or a
-    PureWindowsPath object.  You can also instantiate either of these classes
-    directly, regardless of your system.
-    """
-    __slots__ = (
-        '_drv', '_root', '_parts',
-        '_str', '_hash', '_pparts', '_cached_cparts',
-    )
-
-    def __new__(cls, *args):
-        """Construct a PurePath from one or several strings and or existing
-        PurePath objects.  The strings and path objects are combined so as
-        to yield a canonicalized path, which is incorporated into the
-        new PurePath object.
-        """
-        if cls is PurePath:
-            cls = PureWindowsPath if os.name == 'nt' else PurePosixPath
-        return cls._from_parts(args)
-
-    def __reduce__(self):
-        # Using the parts tuple helps share interned path parts
-        # when pickling related paths.
-        return (self.__class__, tuple(self._parts))
-
-    @classmethod
-    def _parse_args(cls, args):
-        # This is useful when you don't want to create an instance, just
-        # canonicalize some constructor arguments.
-        parts = []
-        for a in args:
-            if isinstance(a, PurePath):
-                parts += a._parts
-            elif isinstance(a, basestring):
-                # Force-cast str subclasses to str (issue #21127)
-                parts.append(str(a))
-            else:
-                raise TypeError(
-                    "argument should be a path or str object, not %r"
-                    % type(a))
-        return cls._flavour.parse_parts(parts)
-
-    @classmethod
-    def _from_parts(cls, args, init=True):
-        # We need to call _parse_args on the instance, so as to get the
-        # right flavour.
-        self = object.__new__(cls)
-        drv, root, parts = self._parse_args(args)
-        self._drv = drv
-        self._root = root
-        self._parts = parts
-        if init:
-            self._init()
-        return self
-
-    @classmethod
-    def _from_parsed_parts(cls, drv, root, parts, init=True):
-        self = object.__new__(cls)
-        self._drv = drv
-        self._root = root
-        self._parts = parts
-        if init:
-            self._init()
-        return self
-
-    @classmethod
-    def _format_parsed_parts(cls, drv, root, parts):
-        if drv or root:
-            return drv + root + cls._flavour.join(parts[1:])
-        else:
-            return cls._flavour.join(parts)
-
-    def _init(self):
-        # Overriden in concrete Path
-        pass
-
-    def _make_child(self, args):
-        drv, root, parts = self._parse_args(args)
-        drv, root, parts = self._flavour.join_parsed_parts(
-            self._drv, self._root, self._parts, drv, root, parts)
-        return self._from_parsed_parts(drv, root, parts)
-
-    def __str__(self):
-        """Return the string representation of the path, suitable for
-        passing to system calls."""
-        try:
-            return self._str
-        except AttributeError:
-            self._str = self._format_parsed_parts(self._drv, self._root,
-                                                  self._parts) or '.'
-            return self._str
-
-    def as_posix(self):
-        """Return the string representation of the path with forward (/)
-        slashes."""
-        f = self._flavour
-        return str(self).replace(f.sep, '/')
-
-    def __bytes__(self):
-        """Return the bytes representation of the path.  This is only
-        recommended to use under Unix."""
-        if sys.version_info < (3, 2):
-            raise NotImplementedError("needs Python 3.2 or later")
-        return os.fsencode(str(self))
-
-    def __repr__(self):
-        return "{0}({1!r})".format(self.__class__.__name__, self.as_posix())
-
-    def as_uri(self):
-        """Return the path as a 'file' URI."""
-        if not self.is_absolute():
-            raise ValueError("relative path can't be expressed as a file URI")
-        return self._flavour.make_uri(self)
-
-    @property
-    def _cparts(self):
-        # Cached casefolded parts, for hashing and comparison
-        try:
-            return self._cached_cparts
-        except AttributeError:
-            self._cached_cparts = self._flavour.casefold_parts(self._parts)
-            return self._cached_cparts
-
-    def __eq__(self, other):
-        if not isinstance(other, PurePath):
-            return NotImplemented
-        return (
-            self._cparts == other._cparts
-            and self._flavour is other._flavour)
-
-    def __ne__(self, other):
-        return not self == other
-
-    def __hash__(self):
-        try:
-            return self._hash
-        except AttributeError:
-            self._hash = hash(tuple(self._cparts))
-            return self._hash
-
-    def __lt__(self, other):
-        if (not isinstance(other, PurePath)
-                or self._flavour is not other._flavour):
-            return NotImplemented
-        return self._cparts < other._cparts
-
-    def __le__(self, other):
-        if (not isinstance(other, PurePath)
-                or self._flavour is not other._flavour):
-            return NotImplemented
-        return self._cparts <= other._cparts
-
-    def __gt__(self, other):
-        if (not isinstance(other, PurePath)
-                or self._flavour is not other._flavour):
-            return NotImplemented
-        return self._cparts > other._cparts
-
-    def __ge__(self, other):
-        if (not isinstance(other, PurePath)
-                or self._flavour is not other._flavour):
-            return NotImplemented
-        return self._cparts >= other._cparts
-
-    drive = property(attrgetter('_drv'),
-                     doc="""The drive prefix (letter or UNC path), if any.""")
-
-    root = property(attrgetter('_root'),
-                    doc="""The root of the path, if any.""")
-
-    @property
-    def anchor(self):
-        """The concatenation of the drive and root, or ''."""
-        anchor = self._drv + self._root
-        return anchor
-
-    @property
-    def name(self):
-        """The final path component, if any."""
-        parts = self._parts
-        if len(parts) == (1 if (self._drv or self._root) else 0):
-            return ''
-        return parts[-1]
-
-    @property
-    def suffix(self):
-        """The final component's last suffix, if any."""
-        name = self.name
-        i = name.rfind('.')
-        if 0 < i < len(name) - 1:
-            return name[i:]
-        else:
-            return ''
-
-    @property
-    def suffixes(self):
-        """A list of the final component's suffixes, if any."""
-        name = self.name
-        if name.endswith('.'):
-            return []
-        name = name.lstrip('.')
-        return ['.' + suffix for suffix in name.split('.')[1:]]
-
-    @property
-    def stem(self):
-        """The final path component, minus its last suffix."""
-        name = self.name
-        i = name.rfind('.')
-        if 0 < i < len(name) - 1:
-            return name[:i]
-        else:
-            return name
-
-    def with_name(self, name):
-        """Return a new path with the file name changed."""
-        if not self.name:
-            raise ValueError("%r has an empty name" % (self,))
-        drv, root, parts = self._flavour.parse_parts((name,))
-        if (not name or name[-1] in [self._flavour.sep, self._flavour.altsep]
-                or drv or root or len(parts) != 1):
-            raise ValueError("Invalid name %r" % (name))
-        return self._from_parsed_parts(self._drv, self._root,
-                                       self._parts[:-1] + [name])
-
-    def with_suffix(self, suffix):
-        """Return a new path with the file suffix changed (or added, if
-        none).
-        """
-        # XXX if suffix is None, should the current suffix be removed?
-        f = self._flavour
-        if f.sep in suffix or f.altsep and f.altsep in suffix:
-            raise ValueError("Invalid suffix %r" % (suffix))
-        if suffix and not suffix.startswith('.') or suffix == '.':
-            raise ValueError("Invalid suffix %r" % (suffix))
-        name = self.name
-        if not name:
-            raise ValueError("%r has an empty name" % (self,))
-        old_suffix = self.suffix
-        if not old_suffix:
-            name = name + suffix
-        else:
-            name = name[:-len(old_suffix)] + suffix
-        return self._from_parsed_parts(self._drv, self._root,
-                                       self._parts[:-1] + [name])
-
-    def relative_to(self, *other):
-        """Return the relative path to another path identified by the passed
-        arguments.  If the operation is not possible (because this is not
-        a subpath of the other path), raise ValueError.
-        """
-        # For the purpose of this method, drive and root are considered
-        # separate parts, i.e.:
-        #   Path('c:/').relative_to('c:')  gives Path('/')
-        #   Path('c:/').relative_to('/')   raise ValueError
-        if not other:
-            raise TypeError("need at least one argument")
-        parts = self._parts
-        drv = self._drv
-        root = self._root
-        if root:
-            abs_parts = [drv, root] + parts[1:]
-        else:
-            abs_parts = parts
-        to_drv, to_root, to_parts = self._parse_args(other)
-        if to_root:
-            to_abs_parts = [to_drv, to_root] + to_parts[1:]
-        else:
-            to_abs_parts = to_parts
-        n = len(to_abs_parts)
-        cf = self._flavour.casefold_parts
-        if (root or drv) if n == 0 else cf(abs_parts[:n]) != cf(to_abs_parts):
-            formatted = self._format_parsed_parts(to_drv, to_root, to_parts)
-            raise ValueError("{!r} does not start with {!r}"
-                             .format(str(self), str(formatted)))
-        return self._from_parsed_parts('', root if n == 1 else '',
-                                       abs_parts[n:])
-
-    @property
-    def parts(self):
-        """An object providing sequence-like access to the
-        components in the filesystem path."""
-        # We cache the tuple to avoid building a new one each time .parts
-        # is accessed.  XXX is this necessary?
-        try:
-            return self._pparts
-        except AttributeError:
-            self._pparts = tuple(self._parts)
-            return self._pparts
-
-    def joinpath(self, *args):
-        """Combine this path with one or several arguments, and return a
-        new path representing either a subpath (if all arguments are relative
-        paths) or a totally different path (if one of the arguments is
-        anchored).
-        """
-        return self._make_child(args)
-
-    def __truediv__(self, key):
-        return self._make_child((key,))
-
-    def __rtruediv__(self, key):
-        return self._from_parts([key] + self._parts)
-
-    if six.PY2:
-        __div__ = __truediv__
-        __rdiv__ = __rtruediv__
-
-    @property
-    def parent(self):
-        """The logical parent of the path."""
-        drv = self._drv
-        root = self._root
-        parts = self._parts
-        if len(parts) == 1 and (drv or root):
-            return self
-        return self._from_parsed_parts(drv, root, parts[:-1])
-
-    @property
-    def parents(self):
-        """A sequence of this path's logical parents."""
-        return _PathParents(self)
-
-    def is_absolute(self):
-        """True if the path is absolute (has both a root and, if applicable,
-        a drive)."""
-        if not self._root:
-            return False
-        return not self._flavour.has_drv or bool(self._drv)
-
-    def is_reserved(self):
-        """Return True if the path contains one of the special names reserved
-        by the system, if any."""
-        return self._flavour.is_reserved(self._parts)
-
-    def match(self, path_pattern):
-        """
-        Return True if this path matches the given pattern.
-        """
-        cf = self._flavour.casefold
-        path_pattern = cf(path_pattern)
-        drv, root, pat_parts = self._flavour.parse_parts((path_pattern,))
-        if not pat_parts:
-            raise ValueError("empty pattern")
-        if drv and drv != cf(self._drv):
-            return False
-        if root and root != cf(self._root):
-            return False
-        parts = self._cparts
-        if drv or root:
-            if len(pat_parts) != len(parts):
-                return False
-            pat_parts = pat_parts[1:]
-        elif len(pat_parts) > len(parts):
-            return False
-        for part, pat in zip(reversed(parts), reversed(pat_parts)):
-            if not fnmatch.fnmatchcase(part, pat):
-                return False
-        return True
-
-
-class PurePosixPath(PurePath):
-    _flavour = _posix_flavour
-    __slots__ = ()
-
-
-class PureWindowsPath(PurePath):
-    _flavour = _windows_flavour
-    __slots__ = ()
-
-
-# Filesystem-accessing classes
-
-
-class Path(PurePath):
-    __slots__ = (
-        '_accessor',
-        '_closed',
-    )
-
-    def __new__(cls, *args, **kwargs):
-        if cls is Path:
-            cls = WindowsPath if os.name == 'nt' else PosixPath
-        self = cls._from_parts(args, init=False)
-        if not self._flavour.is_supported:
-            raise NotImplementedError("cannot instantiate %r on your system"
-                                      % (cls.__name__,))
-        self._init()
-        return self
-
-    def _init(self,
-              # Private non-constructor arguments
-              template=None,
-              ):
-        self._closed = False
-        if template is not None:
-            self._accessor = template._accessor
-        else:
-            self._accessor = _normal_accessor
-
-    def _make_child_relpath(self, part):
-        # This is an optimization used for dir walking.  `part` must be
-        # a single part relative to this path.
-        parts = self._parts + [part]
-        return self._from_parsed_parts(self._drv, self._root, parts)
-
-    def __enter__(self):
-        if self._closed:
-            self._raise_closed()
-        return self
-
-    def __exit__(self, t, v, tb):
-        self._closed = True
-
-    def _raise_closed(self):
-        raise ValueError("I/O operation on closed path")
-
-    def _opener(self, name, flags, mode=0o666):
-        # A stub for the opener argument to built-in open()
-        return self._accessor.open(self, flags, mode)
-
-    def _raw_open(self, flags, mode=0o777):
-        """
-        Open the file pointed by this path and return a file descriptor,
-        as os.open() does.
-        """
-        if self._closed:
-            self._raise_closed()
-        return self._accessor.open(self, flags, mode)
-
-    # Public API
-
-    @classmethod
-    def cwd(cls):
-        """Return a new path pointing to the current working directory
-        (as returned by os.getcwd()).
-        """
-        return cls(os.getcwd())
-
-    @classmethod
-    def home(cls):
-        """Return a new path pointing to the user's home directory (as
-        returned by os.path.expanduser('~')).
-        """
-        return cls(cls()._flavour.gethomedir(None))
-
-    def samefile(self, other_path):
-        """Return whether `other_file` is the same or not as this file.
-        (as returned by os.path.samefile(file, other_file)).
-        """
-        if hasattr(os.path, "samestat"):
-            st = self.stat()
-            try:
-                other_st = other_path.stat()
-            except AttributeError:
-                other_st = os.stat(other_path)
-            return os.path.samestat(st, other_st)
-        else:
-            filename1 = six.text_type(self)
-            filename2 = six.text_type(other_path)
-            st1 = _win32_get_unique_path_id(filename1)
-            st2 = _win32_get_unique_path_id(filename2)
-            return st1 == st2
-
-    def iterdir(self):
-        """Iterate over the files in this directory.  Does not yield any
-        result for the special paths '.' and '..'.
-        """
-        if self._closed:
-            self._raise_closed()
-        for name in self._accessor.listdir(self):
-            if name in ('.', '..'):
-                # Yielding a path object for these makes little sense
-                continue
-            yield self._make_child_relpath(name)
-            if self._closed:
-                self._raise_closed()
-
-    def glob(self, pattern):
-        """Iterate over this subtree and yield all existing files (of any
-        kind, including directories) matching the given pattern.
-        """
-        pattern = self._flavour.casefold(pattern)
-        drv, root, pattern_parts = self._flavour.parse_parts((pattern,))
-        if drv or root:
-            raise NotImplementedError("Non-relative patterns are unsupported")
-        selector = _make_selector(tuple(pattern_parts))
-        for p in selector.select_from(self):
-            yield p
-
-    def rglob(self, pattern):
-        """Recursively yield all existing files (of any kind, including
-        directories) matching the given pattern, anywhere in this subtree.
-        """
-        pattern = self._flavour.casefold(pattern)
-        drv, root, pattern_parts = self._flavour.parse_parts((pattern,))
-        if drv or root:
-            raise NotImplementedError("Non-relative patterns are unsupported")
-        selector = _make_selector(("**",) + tuple(pattern_parts))
-        for p in selector.select_from(self):
-            yield p
-
-    def absolute(self):
-        """Return an absolute version of this path.  This function works
-        even if the path doesn't point to anything.
-
-        No normalization is done, i.e. all '.' and '..' will be kept along.
-        Use resolve() to get the canonical path to a file.
-        """
-        # XXX untested yet!
-        if self._closed:
-            self._raise_closed()
-        if self.is_absolute():
-            return self
-        # FIXME this must defer to the specific flavour (and, under Windows,
-        # use nt._getfullpathname())
-        obj = self._from_parts([os.getcwd()] + self._parts, init=False)
-        obj._init(template=self)
-        return obj
-
-    def resolve(self):
-        """
-        Make the path absolute, resolving all symlinks on the way and also
-        normalizing it (for example turning slashes into backslashes under
-        Windows).
-        """
-        if self._closed:
-            self._raise_closed()
-        s = self._flavour.resolve(self)
-        if s is None:
-            # No symlink resolution => for consistency, raise an error if
-            # the path doesn't exist or is forbidden
-            self.stat()
-            s = str(self.absolute())
-        # Now we have no symlinks in the path, it's safe to normalize it.
-        normed = self._flavour.pathmod.normpath(s)
-        obj = self._from_parts((normed,), init=False)
-        obj._init(template=self)
-        return obj
-
-    def stat(self):
-        """
-        Return the result of the stat() system call on this path, like
-        os.stat() does.
-        """
-        return self._accessor.stat(self)
-
-    def owner(self):
-        """
-        Return the login name of the file owner.
-        """
-        import pwd
-        return pwd.getpwuid(self.stat().st_uid).pw_name
-
-    def group(self):
-        """
-        Return the group name of the file gid.
-        """
-        import grp
-        return grp.getgrgid(self.stat().st_gid).gr_name
-
-    def open(self, mode='r', buffering=-1, encoding=None,
-             errors=None, newline=None):
-        """
-        Open the file pointed by this path and return a file object, as
-        the built-in open() function does.
-        """
-        if self._closed:
-            self._raise_closed()
-        if sys.version_info >= (3, 3):
-            return io.open(
-                str(self), mode, buffering, encoding, errors, newline,
-                opener=self._opener)
-        else:
-            return io.open(str(self), mode, buffering,
-                           encoding, errors, newline)
-
-    def read_bytes(self):
-        """
-        Open the file in bytes mode, read it, and close the file.
-        """
-        with self.open(mode='rb') as f:
-            return f.read()
-
-    def read_text(self, encoding=None, errors=None):
-        """
-        Open the file in text mode, read it, and close the file.
-        """
-        with self.open(mode='r', encoding=encoding, errors=errors) as f:
-            return f.read()
-
-    def write_bytes(self, data):
-        """
-        Open the file in bytes mode, write to it, and close the file.
-        """
-        if not isinstance(data, six.binary_type):
-            raise TypeError(
-                'data must be %s, not %s' %
-                (six.binary_type.__class__.__name__, data.__class__.__name__))
-        with self.open(mode='wb') as f:
-            return f.write(data)
-
-    def write_text(self, data, encoding=None, errors=None):
-        """
-        Open the file in text mode, write to it, and close the file.
-        """
-        if not isinstance(data, six.text_type):
-            raise TypeError(
-                'data must be %s, not %s' %
-                (six.text_type.__class__.__name__, data.__class__.__name__))
-        with self.open(mode='w', encoding=encoding, errors=errors) as f:
-            return f.write(data)
-
-    def touch(self, mode=0o666, exist_ok=True):
-        """
-        Create this file with the given access mode, if it doesn't exist.
-        """
-        if self._closed:
-            self._raise_closed()
-        if exist_ok:
-            # First try to bump modification time
-            # Implementation note: GNU touch uses the UTIME_NOW option of
-            # the utimensat() / futimens() functions.
-            try:
-                self._accessor.utime(self, None)
-            except OSError:
-                # Avoid exception chaining
-                pass
-            else:
-                return
-        flags = os.O_CREAT | os.O_WRONLY
-        if not exist_ok:
-            flags |= os.O_EXCL
-        fd = self._raw_open(flags, mode)
-        os.close(fd)
-
-    def mkdir(self, mode=0o777, parents=False, exist_ok=False):
-
-        def helper(exc):
-            if not exist_ok or not self.is_dir():
-                raise exc
-
-        if self._closed:
-            self._raise_closed()
-        if not parents:
-            _try_except_fileexistserror(
-                lambda: self._accessor.mkdir(self, mode),
-                helper)
-        else:
-            try:
-                _try_except_fileexistserror(
-                    lambda: self._accessor.mkdir(self, mode),
-                    helper)
-            except OSError as e:
-                if e.errno != ENOENT:
-                    raise
-                self.parent.mkdir(parents=True)
-                self._accessor.mkdir(self, mode)
-
-    def chmod(self, mode):
-        """
-        Change the permissions of the path, like os.chmod().
-        """
-        if self._closed:
-            self._raise_closed()
-        self._accessor.chmod(self, mode)
-
-    def lchmod(self, mode):
-        """
-        Like chmod(), except if the path points to a symlink, the symlink's
-        permissions are changed, rather than its target's.
-        """
-        if self._closed:
-            self._raise_closed()
-        self._accessor.lchmod(self, mode)
-
-    def unlink(self):
-        """
-        Remove this file or link.
-        If the path is a directory, use rmdir() instead.
-        """
-        if self._closed:
-            self._raise_closed()
-        self._accessor.unlink(self)
-
-    def rmdir(self):
-        """
-        Remove this directory.  The directory must be empty.
-        """
-        if self._closed:
-            self._raise_closed()
-        self._accessor.rmdir(self)
-
-    def lstat(self):
-        """
-        Like stat(), except if the path points to a symlink, the symlink's
-        status information is returned, rather than its target's.
-        """
-        if self._closed:
-            self._raise_closed()
-        return self._accessor.lstat(self)
-
-    def rename(self, target):
-        """
-        Rename this path to the given path.
-        """
-        if self._closed:
-            self._raise_closed()
-        self._accessor.rename(self, target)
-
-    def replace(self, target):
-        """
-        Rename this path to the given path, clobbering the existing
-        destination if it exists.
-        """
-        if sys.version_info < (3, 3):
-            raise NotImplementedError("replace() is only available "
-                                      "with Python 3.3 and later")
-        if self._closed:
-            self._raise_closed()
-        self._accessor.replace(self, target)
-
-    def symlink_to(self, target, target_is_directory=False):
-        """
-        Make this path a symlink pointing to the given path.
-        Note the order of arguments (self, target) is the reverse of
-        os.symlink's.
-        """
-        if self._closed:
-            self._raise_closed()
-        self._accessor.symlink(target, self, target_is_directory)
-
-    # Convenience functions for querying the stat results
-
-    def exists(self):
-        """
-        Whether this path exists.
-        """
-        try:
-            self.stat()
-        except OSError as e:
-            if e.errno not in (ENOENT, ENOTDIR):
-                raise
-            return False
-        return True
-
-    def is_dir(self):
-        """
-        Whether this path is a directory.
-        """
-        try:
-            return S_ISDIR(self.stat().st_mode)
-        except OSError as e:
-            if e.errno not in (ENOENT, ENOTDIR):
-                raise
-            # Path doesn't exist or is a broken symlink
-            # (see https://bitbucket.org/pitrou/pathlib/issue/12/)
-            return False
-
-    def is_file(self):
-        """
-        Whether this path is a regular file (also True for symlinks pointing
-        to regular files).
-        """
-        try:
-            return S_ISREG(self.stat().st_mode)
-        except OSError as e:
-            if e.errno not in (ENOENT, ENOTDIR):
-                raise
-            # Path doesn't exist or is a broken symlink
-            # (see https://bitbucket.org/pitrou/pathlib/issue/12/)
-            return False
-
-    def is_symlink(self):
-        """
-        Whether this path is a symbolic link.
-        """
-        try:
-            return S_ISLNK(self.lstat().st_mode)
-        except OSError as e:
-            if e.errno not in (ENOENT, ENOTDIR):
-                raise
-            # Path doesn't exist
-            return False
-
-    def is_block_device(self):
-        """
-        Whether this path is a block device.
-        """
-        try:
-            return S_ISBLK(self.stat().st_mode)
-        except OSError as e:
-            if e.errno not in (ENOENT, ENOTDIR):
-                raise
-            # Path doesn't exist or is a broken symlink
-            # (see https://bitbucket.org/pitrou/pathlib/issue/12/)
-            return False
-
-    def is_char_device(self):
-        """
-        Whether this path is a character device.
-        """
-        try:
-            return S_ISCHR(self.stat().st_mode)
-        except OSError as e:
-            if e.errno not in (ENOENT, ENOTDIR):
-                raise
-            # Path doesn't exist or is a broken symlink
-            # (see https://bitbucket.org/pitrou/pathlib/issue/12/)
-            return False
-
-    def is_fifo(self):
-        """
-        Whether this path is a FIFO.
-        """
-        try:
-            return S_ISFIFO(self.stat().st_mode)
-        except OSError as e:
-            if e.errno not in (ENOENT, ENOTDIR):
-                raise
-            # Path doesn't exist or is a broken symlink
-            # (see https://bitbucket.org/pitrou/pathlib/issue/12/)
-            return False
-
-    def is_socket(self):
-        """
-        Whether this path is a socket.
-        """
-        try:
-            return S_ISSOCK(self.stat().st_mode)
-        except OSError as e:
-            if e.errno not in (ENOENT, ENOTDIR):
-                raise
-            # Path doesn't exist or is a broken symlink
-            # (see https://bitbucket.org/pitrou/pathlib/issue/12/)
-            return False
-
-    def expanduser(self):
-        """ Return a new path with expanded ~ and ~user constructs
-        (as returned by os.path.expanduser)
-        """
-        if (not (self._drv or self._root)
-                and self._parts and self._parts[0][:1] == '~'):
-            homedir = self._flavour.gethomedir(self._parts[0][1:])
-            return self._from_parts([homedir] + self._parts[1:])
-
-        return self
-
-
-class PosixPath(Path, PurePosixPath):
-    __slots__ = ()
-
-
-class WindowsPath(Path, PureWindowsPath):
-    __slots__ = ()
deleted file mode 100644
--- a/third_party/python/pathlib2/requirements.txt
+++ /dev/null
@@ -1,1 +0,0 @@
-six
\ No newline at end of file
deleted file mode 100644
--- a/third_party/python/pathlib2/setup.cfg
+++ /dev/null
@@ -1,14 +0,0 @@
-[nosetests]
-with-coverage = 1
-cover-package = pathlib2
-cover-branches = 1
-cover-html = 1
-
-[wheel]
-universal = 1
-
-[egg_info]
-tag_build = 
-tag_date = 0
-tag_svn_revision = 0
-
deleted file mode 100644
--- a/third_party/python/pathlib2/setup.py
+++ /dev/null
@@ -1,41 +0,0 @@
-import io
-from setuptools import setup
-
-
-def readfile(filename):
-    with io.open(filename, encoding="utf-8") as stream:
-        return stream.read().split("\n")
-
-readme = readfile("README.rst")[5:]  # skip title and badges
-requires = readfile("requirements.txt")
-version = readfile("VERSION")[0].strip()
-
-setup(
-    name='pathlib2',
-    version=version,
-    py_modules=['pathlib2'],
-    license='MIT',
-    description='Object-oriented filesystem paths',
-    long_description="\n".join(readme[2:]),
-    author='Matthias C. M. Troffaes',
-    author_email='matthias.troffaes@gmail.com',
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Developers',
-        'License :: OSI Approved :: MIT License',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 2.6',
-        'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.2',
-        'Programming Language :: Python :: 3.3',
-        'Programming Language :: Python :: 3.4',
-        'Topic :: Software Development :: Libraries',
-        'Topic :: System :: Filesystems',
-        ],
-    download_url='https://pypi.python.org/pypi/pathlib2/',
-    url='https://pypi.python.org/pypi/pathlib2/',
-    install_requires=requires,
-)
deleted file mode 100644
--- a/third_party/python/pathlib2/test_pathlib2.py
+++ /dev/null
@@ -1,2206 +0,0 @@
-import collections
-import io
-import os
-import errno
-import pathlib2 as pathlib
-import pickle
-import six
-import shutil
-import socket
-import stat
-import sys
-import tempfile
-
-if sys.version_info < (2, 7):
-    try:
-        import unittest2 as unittest
-    except ImportError:
-        raise ImportError("unittest2 is required for tests on pre-2.7")
-else:
-    import unittest
-
-try:
-    from test import support
-except ImportError:
-    from test import test_support as support
-TESTFN = support.TESTFN
-
-try:
-    import grp
-    import pwd
-except ImportError:
-    grp = pwd = None
-
-
-# Backported from 3.4
-def fs_is_case_insensitive(directory):
-    """Detects if the file system for the specified directory is
-    case-insensitive.
-    """
-    base_fp, base_path = tempfile.mkstemp(dir=directory)
-    case_path = base_path.upper()
-    if case_path == base_path:
-        case_path = base_path.lower()
-    try:
-        return os.path.samefile(base_path, case_path)
-    except OSError as e:
-        if e.errno != errno.ENOENT:
-            raise
-        return False
-    finally:
-        os.unlink(base_path)
-
-support.fs_is_case_insensitive = fs_is_case_insensitive
-
-
-class _BaseFlavourTest(object):
-
-    def _check_parse_parts(self, arg, expected):
-        f = self.flavour.parse_parts
-        sep = self.flavour.sep
-        altsep = self.flavour.altsep
-        actual = f([x.replace('/', sep) for x in arg])
-        self.assertEqual(actual, expected)
-        if altsep:
-            actual = f([x.replace('/', altsep) for x in arg])
-            self.assertEqual(actual, expected)
-        drv, root, parts = actual
-        # neither bytes (py3) nor unicode (py2)
-        self.assertIsInstance(drv, str)
-        self.assertIsInstance(root, str)
-        for p in parts:
-            self.assertIsInstance(p, str)
-
-    def test_parse_parts_common(self):
-        check = self._check_parse_parts
-        sep = self.flavour.sep
-        # Unanchored parts
-        check([],                   ('', '', []))
-        check(['a'],                ('', '', ['a']))
-        check(['a/'],               ('', '', ['a']))
-        check(['a', 'b'],           ('', '', ['a', 'b']))
-        # Expansion
-        check(['a/b'],              ('', '', ['a', 'b']))
-        check(['a/b/'],             ('', '', ['a', 'b']))
-        check(['a', 'b/c', 'd'],    ('', '', ['a', 'b', 'c', 'd']))
-        # Collapsing and stripping excess slashes
-        check(['a', 'b//c', 'd'],   ('', '', ['a', 'b', 'c', 'd']))
-        check(['a', 'b/c/', 'd'],   ('', '', ['a', 'b', 'c', 'd']))
-        # Eliminating standalone dots
-        check(['.'],                ('', '', []))
-        check(['.', '.', 'b'],      ('', '', ['b']))
-        check(['a', '.', 'b'],      ('', '', ['a', 'b']))
-        check(['a', '.', '.'],      ('', '', ['a']))
-        # The first part is anchored
-        check(['/a/b'],             ('', sep, [sep, 'a', 'b']))
-        check(['/a', 'b'],          ('', sep, [sep, 'a', 'b']))
-        check(['/a/', 'b'],         ('', sep, [sep, 'a', 'b']))
-        # Ignoring parts before an anchored part
-        check(['a', '/b', 'c'],     ('', sep, [sep, 'b', 'c']))
-        check(['a', '/b', '/c'],    ('', sep, [sep, 'c']))
-
-
-class PosixFlavourTest(_BaseFlavourTest, unittest.TestCase):
-    flavour = pathlib._posix_flavour
-
-    def test_parse_parts(self):
-        check = self._check_parse_parts
-        # Collapsing of excess leading slashes, except for the double-slash
-        # special case.
-        check(['//a', 'b'],             ('', '//', ['//', 'a', 'b']))
-        check(['///a', 'b'],            ('', '/', ['/', 'a', 'b']))
-        check(['////a', 'b'],           ('', '/', ['/', 'a', 'b']))
-        # Paths which look like NT paths aren't treated specially
-        check(['c:a'],                  ('', '', ['c:a']))
-        check(['c:\\a'],                ('', '', ['c:\\a']))
-        check(['\\a'],                  ('', '', ['\\a']))
-
-    def test_splitroot(self):
-        f = self.flavour.splitroot
-        self.assertEqual(f(''), ('', '', ''))
-        self.assertEqual(f('a'), ('', '', 'a'))
-        self.assertEqual(f('a/b'), ('', '', 'a/b'))
-        self.assertEqual(f('a/b/'), ('', '', 'a/b/'))
-        self.assertEqual(f('/a'), ('', '/', 'a'))
-        self.assertEqual(f('/a/b'), ('', '/', 'a/b'))
-        self.assertEqual(f('/a/b/'), ('', '/', 'a/b/'))
-        # The root is collapsed when there are redundant slashes
-        # except when there are exactly two leading slashes, which
-        # is a special case in POSIX.
-        self.assertEqual(f('//a'), ('', '//', 'a'))
-        self.assertEqual(f('///a'), ('', '/', 'a'))
-        self.assertEqual(f('///a/b'), ('', '/', 'a/b'))
-        # Paths which look like NT paths aren't treated specially
-        self.assertEqual(f('c:/a/b'), ('', '', 'c:/a/b'))
-        self.assertEqual(f('\\/a/b'), ('', '', '\\/a/b'))
-        self.assertEqual(f('\\a\\b'), ('', '', '\\a\\b'))
-
-
-class NTFlavourTest(_BaseFlavourTest, unittest.TestCase):
-    flavour = pathlib._windows_flavour
-
-    def test_parse_parts(self):
-        check = self._check_parse_parts
-        # First part is anchored
-        check(['c:'],                   ('c:', '', ['c:']))
-        check(['c:\\'],                 ('c:', '\\', ['c:\\']))
-        check(['\\'],                   ('', '\\', ['\\']))
-        check(['c:a'],                  ('c:', '', ['c:', 'a']))
-        check(['c:\\a'],                ('c:', '\\', ['c:\\', 'a']))
-        check(['\\a'],                  ('', '\\', ['\\', 'a']))
-        # UNC paths
-        check(['\\\\a\\b'],             ('\\\\a\\b', '\\', ['\\\\a\\b\\']))
-        check(['\\\\a\\b\\'],           ('\\\\a\\b', '\\', ['\\\\a\\b\\']))
-        check(['\\\\a\\b\\c'],
-              ('\\\\a\\b', '\\', ['\\\\a\\b\\', 'c']))
-        # Second part is anchored, so that the first part is ignored
-        check(['a', 'Z:b', 'c'],        ('Z:', '', ['Z:', 'b', 'c']))
-        check(['a', 'Z:\\b', 'c'],      ('Z:', '\\', ['Z:\\', 'b', 'c']))
-        check(['a', '\\b', 'c'],        ('', '\\', ['\\', 'b', 'c']))
-        # UNC paths
-        check(['a', '\\\\b\\c', 'd'],
-              ('\\\\b\\c', '\\', ['\\\\b\\c\\', 'd']))
-        # Collapsing and stripping excess slashes
-        check(['a', 'Z:\\\\b\\\\c\\', 'd\\'],
-              ('Z:', '\\', ['Z:\\', 'b', 'c', 'd']))
-        # UNC paths
-        check(['a', '\\\\b\\c\\\\', 'd'],
-              ('\\\\b\\c', '\\', ['\\\\b\\c\\', 'd']))
-        # Extended paths
-        check(['\\\\?\\c:\\'],          ('\\\\?\\c:', '\\', ['\\\\?\\c:\\']))
-        check(['\\\\?\\c:\\a'],
-              ('\\\\?\\c:', '\\', ['\\\\?\\c:\\', 'a']))
-        # Extended UNC paths (format is "\\?\UNC\server\share")
-        check(['\\\\?\\UNC\\b\\c'],
-              ('\\\\?\\UNC\\b\\c', '\\', ['\\\\?\\UNC\\b\\c\\']))
-        check(['\\\\?\\UNC\\b\\c\\d'],
-              ('\\\\?\\UNC\\b\\c', '\\', ['\\\\?\\UNC\\b\\c\\', 'd']))
-
-    def test_splitroot(self):
-        f = self.flavour.splitroot
-        self.assertEqual(f(''), ('', '', ''))
-        self.assertEqual(f('a'), ('', '', 'a'))
-        self.assertEqual(f('a\\b'), ('', '', 'a\\b'))
-        self.assertEqual(f('\\a'), ('', '\\', 'a'))
-        self.assertEqual(f('\\a\\b'), ('', '\\', 'a\\b'))
-        self.assertEqual(f('c:a\\b'), ('c:', '', 'a\\b'))
-        self.assertEqual(f('c:\\a\\b'), ('c:', '\\', 'a\\b'))
-        # Redundant slashes in the root are collapsed
-        self.assertEqual(f('\\\\a'), ('', '\\', 'a'))
-        self.assertEqual(f('\\\\\\a/b'), ('', '\\', 'a/b'))
-        self.assertEqual(f('c:\\\\a'), ('c:', '\\', 'a'))
-        self.assertEqual(f('c:\\\\\\a/b'), ('c:', '\\', 'a/b'))
-        # Valid UNC paths
-        self.assertEqual(f('\\\\a\\b'), ('\\\\a\\b', '\\', ''))
-        self.assertEqual(f('\\\\a\\b\\'), ('\\\\a\\b', '\\', ''))
-        self.assertEqual(f('\\\\a\\b\\c\\d'), ('\\\\a\\b', '\\', 'c\\d'))
-        # These are non-UNC paths (according to ntpath.py and test_ntpath)
-        # However, command.com says such paths are invalid, so it's
-        # difficult to know what the right semantics are
-        self.assertEqual(f('\\\\\\a\\b'), ('', '\\', 'a\\b'))
-        self.assertEqual(f('\\\\a'), ('', '\\', 'a'))
-
-
-#
-# Tests for the pure classes
-#
-
-with_fsencode = unittest.skipIf(
-    sys.version_info < (3, 2),
-    'os.fsencode has been introduced in version 3.2')
-
-
-class _BasePurePathTest(object):
-
-    # keys are canonical paths, values are list of tuples of arguments
-    # supposed to produce equal paths
-    equivalences = {
-        'a/b': [
-            ('a', 'b'), ('a/', 'b'), ('a', 'b/'), ('a/', 'b/'),
-            ('a/b/',), ('a//b',), ('a//b//',),
-            # empty components get removed
-            ('', 'a', 'b'), ('a', '', 'b'), ('a', 'b', ''),
-            ],
-        '/b/c/d': [
-            ('a', '/b/c', 'd'), ('a', '///b//c', 'd/'),
-            ('/a', '/b/c', 'd'),
-            # empty components get removed
-            ('/', 'b', '', 'c/d'), ('/', '', 'b/c/d'), ('', '/b/c/d'),
-            ],
-    }
-
-    def setUp(self):
-        p = self.cls('a')
-        self.flavour = p._flavour
-        self.sep = self.flavour.sep
-        self.altsep = self.flavour.altsep
-
-    def test_constructor_common(self):
-        P = self.cls
-        p = P('a')
-        self.assertIsInstance(p, P)
-        P('a', 'b', 'c')
-        P('/a', 'b', 'c')
-        P('a/b/c')
-        P('/a/b/c')
-        self.assertEqual(P(P('a')), P('a'))
-        self.assertEqual(P(P('a'), 'b'), P('a/b'))
-        self.assertEqual(P(P('a'), P('b')), P('a/b'))
-
-    def _check_str_subclass(self, *args):
-        # Issue #21127: it should be possible to construct a PurePath object
-        # from an str subclass instance, and it then gets converted to
-        # a pure str object.
-        class StrSubclass(str):
-            pass
-        P = self.cls
-        p = P(*(StrSubclass(x) for x in args))
-        self.assertEqual(p, P(*args))
-        for part in p.parts:
-            self.assertIs(type(part), str)
-
-    def test_str_subclass_common(self):
-        self._check_str_subclass('')
-        self._check_str_subclass('.')
-        self._check_str_subclass('a')
-        self._check_str_subclass('a/b.txt')
-        self._check_str_subclass('/a/b.txt')
-
-    def test_join_common(self):
-        P = self.cls
-        p = P('a/b')
-        pp = p.joinpath('c')
-        self.assertEqual(pp, P('a/b/c'))
-        self.assertIs(type(pp), type(p))
-        pp = p.joinpath('c', 'd')
-        self.assertEqual(pp, P('a/b/c/d'))
-        pp = p.joinpath(P('c'))
-        self.assertEqual(pp, P('a/b/c'))
-        pp = p.joinpath('/c')
-        self.assertEqual(pp, P('/c'))
-
-    def test_div_common(self):
-        # Basically the same as joinpath()
-        P = self.cls
-        p = P('a/b')
-        pp = p / 'c'
-        self.assertEqual(pp, P('a/b/c'))
-        self.assertIs(type(pp), type(p))
-        pp = p / 'c/d'
-        self.assertEqual(pp, P('a/b/c/d'))
-        pp = p / 'c' / 'd'
-        self.assertEqual(pp, P('a/b/c/d'))
-        pp = 'c' / p / 'd'
-        self.assertEqual(pp, P('c/a/b/d'))
-        pp = p / P('c')
-        self.assertEqual(pp, P('a/b/c'))
-        pp = p / '/c'
-        self.assertEqual(pp, P('/c'))
-
-    def _check_str(self, expected, args):
-        p = self.cls(*args)
-        self.assertEqual(str(p), expected.replace('/', self.sep))
-
-    def test_str_common(self):
-        # Canonicalized paths roundtrip
-        for pathstr in ('a', 'a/b', 'a/b/c', '/', '/a/b', '/a/b/c'):
-            self._check_str(pathstr, (pathstr,))
-        # Special case for the empty path
-        self._check_str('.', ('',))
-        # Other tests for str() are in test_equivalences()
-
-    def test_as_posix_common(self):
-        P = self.cls
-        for pathstr in ('a', 'a/b', 'a/b/c', '/', '/a/b', '/a/b/c'):
-            self.assertEqual(P(pathstr).as_posix(), pathstr)
-        # Other tests for as_posix() are in test_equivalences()
-
-    @with_fsencode
-    def test_as_bytes_common(self):
-        sep = os.fsencode(self.sep)
-        P = self.cls
-        self.assertEqual(bytes(P('a/b')), b'a' + sep + b'b')
-
-    def test_as_uri_common(self):
-        P = self.cls
-        with self.assertRaises(ValueError):
-            P('a').as_uri()
-        with self.assertRaises(ValueError):
-            P().as_uri()
-
-    def test_repr_common(self):
-        for pathstr in ('a', 'a/b', 'a/b/c', '/', '/a/b', '/a/b/c'):
-            p = self.cls(pathstr)
-            clsname = p.__class__.__name__
-            r = repr(p)
-            # The repr() is in the form ClassName("forward-slashes path")
-            self.assertTrue(r.startswith(clsname + '('), r)
-            self.assertTrue(r.endswith(')'), r)
-            inner = r[len(clsname) + 1: -1]
-            self.assertEqual(eval(inner), p.as_posix())
-            # The repr() roundtrips
-            q = eval(r, pathlib.__dict__)
-            self.assertIs(q.__class__, p.__class__)
-            self.assertEqual(q, p)
-            self.assertEqual(repr(q), r)
-
-    def test_eq_common(self):
-        P = self.cls
-        self.assertEqual(P('a/b'), P('a/b'))
-        self.assertEqual(P('a/b'), P('a', 'b'))
-        self.assertNotEqual(P('a/b'), P('a'))
-        self.assertNotEqual(P('a/b'), P('/a/b'))
-        self.assertNotEqual(P('a/b'), P())
-        self.assertNotEqual(P('/a/b'), P('/'))
-        self.assertNotEqual(P(), P('/'))
-        self.assertNotEqual(P(), "")
-        self.assertNotEqual(P(), {})
-        self.assertNotEqual(P(), int)
-
-    def test_match_common(self):
-        P = self.cls
-        self.assertRaises(ValueError, P('a').match, '')
-        self.assertRaises(ValueError, P('a').match, '.')
-        # Simple relative pattern
-        self.assertTrue(P('b.py').match('b.py'))
-        self.assertTrue(P('a/b.py').match('b.py'))
-        self.assertTrue(P('/a/b.py').match('b.py'))
-        self.assertFalse(P('a.py').match('b.py'))
-        self.assertFalse(P('b/py').match('b.py'))
-        self.assertFalse(P('/a.py').match('b.py'))
-        self.assertFalse(P('b.py/c').match('b.py'))
-        # Wilcard relative pattern
-        self.assertTrue(P('b.py').match('*.py'))
-        self.assertTrue(P('a/b.py').match('*.py'))
-        self.assertTrue(P('/a/b.py').match('*.py'))
-        self.assertFalse(P('b.pyc').match('*.py'))
-        self.assertFalse(P('b./py').match('*.py'))
-        self.assertFalse(P('b.py/c').match('*.py'))
-        # Multi-part relative pattern
-        self.assertTrue(P('ab/c.py').match('a*/*.py'))
-        self.assertTrue(P('/d/ab/c.py').match('a*/*.py'))
-        self.assertFalse(P('a.py').match('a*/*.py'))
-        self.assertFalse(P('/dab/c.py').match('a*/*.py'))
-        self.assertFalse(P('ab/c.py/d').match('a*/*.py'))
-        # Absolute pattern
-        self.assertTrue(P('/b.py').match('/*.py'))
-        self.assertFalse(P('b.py').match('/*.py'))
-        self.assertFalse(P('a/b.py').match('/*.py'))
-        self.assertFalse(P('/a/b.py').match('/*.py'))
-        # Multi-part absolute pattern
-        self.assertTrue(P('/a/b.py').match('/a/*.py'))
-        self.assertFalse(P('/ab.py').match('/a/*.py'))
-        self.assertFalse(P('/a/b/c.py').match('/a/*.py'))
-
-    def test_ordering_common(self):
-        # Ordering is tuple-alike
-        def assertLess(a, b):
-            self.assertLess(a, b)
-            self.assertGreater(b, a)
-        P = self.cls
-        a = P('a')
-        b = P('a/b')
-        c = P('abc')
-        d = P('b')
-        assertLess(a, b)
-        assertLess(a, c)
-        assertLess(a, d)
-        assertLess(b, c)
-        assertLess(c, d)
-        P = self.cls
-        a = P('/a')
-        b = P('/a/b')
-        c = P('/abc')
-        d = P('/b')
-        assertLess(a, b)
-        assertLess(a, c)
-        assertLess(a, d)
-        assertLess(b, c)
-        assertLess(c, d)
-        if sys.version_info > (3,):
-            with self.assertRaises(TypeError):
-                P() < {}
-        else:
-            P() < {}
-
-    def test_parts_common(self):
-        # `parts` returns a tuple
-        sep = self.sep
-        P = self.cls
-        p = P('a/b')
-        parts = p.parts
-        self.assertEqual(parts, ('a', 'b'))
-        for part in parts:
-            self.assertIsInstance(part, str)
-        # The object gets reused
-        self.assertIs(parts, p.parts)
-        # When the path is absolute, the anchor is a separate part
-        p = P('/a/b')
-        parts = p.parts
-        self.assertEqual(parts, (sep, 'a', 'b'))
-
-    def test_equivalences(self):
-        for k, tuples in self.equivalences.items():
-            canon = k.replace('/', self.sep)
-            posix = k.replace(self.sep, '/')
-            if canon != posix:
-                tuples = tuples + [
-                    tuple(part.replace('/', self.sep) for part in t)
-                    for t in tuples
-                    ]
-                tuples.append((posix, ))
-            pcanon = self.cls(canon)
-            for t in tuples:
-                p = self.cls(*t)
-                self.assertEqual(p, pcanon, "failed with args {0}".format(t))
-                self.assertEqual(hash(p), hash(pcanon))
-                self.assertEqual(str(p), canon)
-                self.assertEqual(p.as_posix(), posix)
-
-    def test_parent_common(self):
-        # Relative
-        P = self.cls
-        p = P('a/b/c')
-        self.assertEqual(p.parent, P('a/b'))
-        self.assertEqual(p.parent.parent, P('a'))
-        self.assertEqual(p.parent.parent.parent, P())
-        self.assertEqual(p.parent.parent.parent.parent, P())
-        # Anchored
-        p = P('/a/b/c')
-        self.assertEqual(p.parent, P('/a/b'))
-        self.assertEqual(p.parent.parent, P('/a'))
-        self.assertEqual(p.parent.parent.parent, P('/'))
-        self.assertEqual(p.parent.parent.parent.parent, P('/'))
-
-    def test_parents_common(self):
-        # Relative
-        P = self.cls
-        p = P('a/b/c')
-        par = p.parents
-        self.assertEqual(len(par), 3)
-        self.assertEqual(par[0], P('a/b'))
-        self.assertEqual(par[1], P('a'))
-        self.assertEqual(par[2], P('.'))
-        self.assertEqual(list(par), [P('a/b'), P('a'), P('.')])
-        with self.assertRaises(IndexError):
-            par[-1]
-        with self.assertRaises(IndexError):
-            par[3]
-        with self.assertRaises(TypeError):
-            par[0] = p
-        # Anchored
-        p = P('/a/b/c')
-        par = p.parents
-        self.assertEqual(len(par), 3)
-        self.assertEqual(par[0], P('/a/b'))
-        self.assertEqual(par[1], P('/a'))
-        self.assertEqual(par[2], P('/'))
-        self.assertEqual(list(par), [P('/a/b'), P('/a'), P('/')])
-        with self.assertRaises(IndexError):
-            par[3]
-
-    def test_drive_common(self):
-        P = self.cls
-        self.assertEqual(P('a/b').drive, '')
-        self.assertEqual(P('/a/b').drive, '')
-        self.assertEqual(P('').drive, '')
-
-    def test_root_common(self):
-        P = self.cls
-        sep = self.sep
-        self.assertEqual(P('').root, '')
-        self.assertEqual(P('a/b').root, '')
-        self.assertEqual(P('/').root, sep)
-        self.assertEqual(P('/a/b').root, sep)
-
-    def test_anchor_common(self):
-        P = self.cls
-        sep = self.sep
-        self.assertEqual(P('').anchor, '')
-        self.assertEqual(P('a/b').anchor, '')
-        self.assertEqual(P('/').anchor, sep)
-        self.assertEqual(P('/a/b').anchor, sep)
-
-    def test_name_common(self):
-        P = self.cls
-        self.assertEqual(P('').name, '')
-        self.assertEqual(P('.').name, '')
-        self.assertEqual(P('/').name, '')
-        self.assertEqual(P('a/b').name, 'b')
-        self.assertEqual(P('/a/b').name, 'b')
-        self.assertEqual(P('/a/b/.').name, 'b')
-        self.assertEqual(P('a/b.py').name, 'b.py')
-        self.assertEqual(P('/a/b.py').name, 'b.py')
-
-    def test_suffix_common(self):
-        P = self.cls
-        self.assertEqual(P('').suffix, '')
-        self.assertEqual(P('.').suffix, '')
-        self.assertEqual(P('..').suffix, '')
-        self.assertEqual(P('/').suffix, '')
-        self.assertEqual(P('a/b').suffix, '')
-        self.assertEqual(P('/a/b').suffix, '')
-        self.assertEqual(P('/a/b/.').suffix, '')
-        self.assertEqual(P('a/b.py').suffix, '.py')
-        self.assertEqual(P('/a/b.py').suffix, '.py')
-        self.assertEqual(P('a/.hgrc').suffix, '')
-        self.assertEqual(P('/a/.hgrc').suffix, '')
-        self.assertEqual(P('a/.hg.rc').suffix, '.rc')
-        self.assertEqual(P('/a/.hg.rc').suffix, '.rc')
-        self.assertEqual(P('a/b.tar.gz').suffix, '.gz')
-        self.assertEqual(P('/a/b.tar.gz').suffix, '.gz')
-        self.assertEqual(P('a/Some name. Ending with a dot.').suffix, '')
-        self.assertEqual(P('/a/Some name. Ending with a dot.').suffix, '')
-
-    def test_suffixes_common(self):
-        P = self.cls
-        self.assertEqual(P('').suffixes, [])
-        self.assertEqual(P('.').suffixes, [])
-        self.assertEqual(P('/').suffixes, [])
-        self.assertEqual(P('a/b').suffixes, [])
-        self.assertEqual(P('/a/b').suffixes, [])
-        self.assertEqual(P('/a/b/.').suffixes, [])
-        self.assertEqual(P('a/b.py').suffixes, ['.py'])
-        self.assertEqual(P('/a/b.py').suffixes, ['.py'])
-        self.assertEqual(P('a/.hgrc').suffixes, [])
-        self.assertEqual(P('/a/.hgrc').suffixes, [])
-        self.assertEqual(P('a/.hg.rc').suffixes, ['.rc'])
-        self.assertEqual(P('/a/.hg.rc').suffixes, ['.rc'])
-        self.assertEqual(P('a/b.tar.gz').suffixes, ['.tar', '.gz'])
-        self.assertEqual(P('/a/b.tar.gz').suffixes, ['.tar', '.gz'])
-        self.assertEqual(P('a/Some name. Ending with a dot.').suffixes, [])
-        self.assertEqual(P('/a/Some name. Ending with a dot.').suffixes, [])
-
-    def test_stem_common(self):
-        P = self.cls
-        self.assertEqual(P('').stem, '')
-        self.assertEqual(P('.').stem, '')
-        self.assertEqual(P('..').stem, '..')
-        self.assertEqual(P('/').stem, '')
-        self.assertEqual(P('a/b').stem, 'b')
-        self.assertEqual(P('a/b.py').stem, 'b')
-        self.assertEqual(P('a/.hgrc').stem, '.hgrc')
-        self.assertEqual(P('a/.hg.rc').stem, '.hg')
-        self.assertEqual(P('a/b.tar.gz').stem, 'b.tar')
-        self.assertEqual(P('a/Some name. Ending with a dot.').stem,
-                         'Some name. Ending with a dot.')
-
-    def test_with_name_common(self):
-        P = self.cls
-        self.assertEqual(P('a/b').with_name('d.xml'), P('a/d.xml'))
-        self.assertEqual(P('/a/b').with_name('d.xml'), P('/a/d.xml'))
-        self.assertEqual(P('a/b.py').with_name('d.xml'), P('a/d.xml'))
-        self.assertEqual(P('/a/b.py').with_name('d.xml'), P('/a/d.xml'))
-        self.assertEqual(P('a/Dot ending.').with_name('d.xml'), P('a/d.xml'))
-        self.assertEqual(P('/a/Dot ending.').with_name('d.xml'), P('/a/d.xml'))
-        self.assertRaises(ValueError, P('').with_name, 'd.xml')
-        self.assertRaises(ValueError, P('.').with_name, 'd.xml')
-        self.assertRaises(ValueError, P('/').with_name, 'd.xml')
-        self.assertRaises(ValueError, P('a/b').with_name, '')
-        self.assertRaises(ValueError, P('a/b').with_name, '/c')
-        self.assertRaises(ValueError, P('a/b').with_name, 'c/')
-        self.assertRaises(ValueError, P('a/b').with_name, 'c/d')
-
-    def test_with_suffix_common(self):
-        P = self.cls
-        self.assertEqual(P('a/b').with_suffix('.gz'), P('a/b.gz'))
-        self.assertEqual(P('/a/b').with_suffix('.gz'), P('/a/b.gz'))
-        self.assertEqual(P('a/b.py').with_suffix('.gz'), P('a/b.gz'))
-        self.assertEqual(P('/a/b.py').with_suffix('.gz'), P('/a/b.gz'))
-        # Stripping suffix
-        self.assertEqual(P('a/b.py').with_suffix(''), P('a/b'))
-        self.assertEqual(P('/a/b').with_suffix(''), P('/a/b'))
-        # Path doesn't have a "filename" component
-        self.assertRaises(ValueError, P('').with_suffix, '.gz')
-        self.assertRaises(ValueError, P('.').with_suffix, '.gz')
-        self.assertRaises(ValueError, P('/').with_suffix, '.gz')
-        # Invalid suffix
-        self.assertRaises(ValueError, P('a/b').with_suffix, 'gz')
-        self.assertRaises(ValueError, P('a/b').with_suffix, '/')
-        self.assertRaises(ValueError, P('a/b').with_suffix, '.')
-        self.assertRaises(ValueError, P('a/b').with_suffix, '/.gz')
-        self.assertRaises(ValueError, P('a/b').with_suffix, 'c/d')
-        self.assertRaises(ValueError, P('a/b').with_suffix, '.c/.d')
-        self.assertRaises(ValueError, P('a/b').with_suffix, './.d')
-        self.assertRaises(ValueError, P('a/b').with_suffix, '.d/.')
-
-    def test_relative_to_common(self):
-        P = self.cls
-        p = P('a/b')
-        self.assertRaises(TypeError, p.relative_to)
-        if six.PY3:
-            self.assertRaises(TypeError, p.relative_to, b'a')
-        self.assertEqual(p.relative_to(P()), P('a/b'))
-        self.assertEqual(p.relative_to(''), P('a/b'))
-        self.assertEqual(p.relative_to(P('a')), P('b'))
-        self.assertEqual(p.relative_to('a'), P('b'))
-        self.assertEqual(p.relative_to('a/'), P('b'))
-        self.assertEqual(p.relative_to(P('a/b')), P())
-        self.assertEqual(p.relative_to('a/b'), P())
-        # With several args
-        self.assertEqual(p.relative_to('a', 'b'), P())
-        # Unrelated paths
-        self.assertRaises(ValueError, p.relative_to, P('c'))
-        self.assertRaises(ValueError, p.relative_to, P('a/b/c'))
-        self.assertRaises(ValueError, p.relative_to, P('a/c'))
-        self.assertRaises(ValueError, p.relative_to, P('/a'))
-        p = P('/a/b')
-        self.assertEqual(p.relative_to(P('/')), P('a/b'))
-        self.assertEqual(p.relative_to('/'), P('a/b'))
-        self.assertEqual(p.relative_to(P('/a')), P('b'))
-        self.assertEqual(p.relative_to('/a'), P('b'))
-        self.assertEqual(p.relative_to('/a/'), P('b'))
-        self.assertEqual(p.relative_to(P('/a/b')), P())
-        self.assertEqual(p.relative_to('/a/b'), P())
-        # Unrelated paths
-        self.assertRaises(ValueError, p.relative_to, P('/c'))
-        self.assertRaises(ValueError, p.relative_to, P('/a/b/c'))
-        self.assertRaises(ValueError, p.relative_to, P('/a/c'))
-        self.assertRaises(ValueError, p.relative_to, P())
-        self.assertRaises(ValueError, p.relative_to, '')
-        self.assertRaises(ValueError, p.relative_to, P('a'))
-
-    def test_pickling_common(self):
-        P = self.cls
-        p = P('/a/b')
-        for proto in range(0, pickle.HIGHEST_PROTOCOL + 1):
-            dumped = pickle.dumps(p, proto)
-            pp = pickle.loads(dumped)
-            self.assertIs(pp.__class__, p.__class__)
-            self.assertEqual(pp, p)
-            self.assertEqual(hash(pp), hash(p))
-            self.assertEqual(str(pp), str(p))
-
-
-class PurePosixPathTest(_BasePurePathTest, unittest.TestCase):
-    cls = pathlib.PurePosixPath
-
-    def test_root(self):
-        P = self.cls
-        self.assertEqual(P('/a/b').root, '/')
-        self.assertEqual(P('///a/b').root, '/')
-        # POSIX special case for two leading slashes
-        self.assertEqual(P('//a/b').root, '//')
-
-    def test_eq(self):
-        P = self.cls
-        self.assertNotEqual(P('a/b'), P('A/b'))
-        self.assertEqual(P('/a'), P('///a'))
-        self.assertNotEqual(P('/a'), P('//a'))
-
-    def test_as_uri(self):
-        P = self.cls
-        self.assertEqual(P('/').as_uri(), 'file:///')
-        self.assertEqual(P('/a/b.c').as_uri(), 'file:///a/b.c')
-        self.assertEqual(P('/a/b%#c').as_uri(), 'file:///a/b%25%23c')
-
-    @with_fsencode
-    def test_as_uri_non_ascii(self):
-        from urllib.parse import quote_from_bytes
-        P = self.cls
-        try:
-            os.fsencode('\xe9')
-        except UnicodeEncodeError:
-            self.skipTest("\\xe9 cannot be encoded to the filesystem encoding")
-        self.assertEqual(P('/a/b\xe9').as_uri(),
-                         'file:///a/b' + quote_from_bytes(os.fsencode('\xe9')))
-
-    def test_match(self):
-        P = self.cls
-        self.assertFalse(P('A.py').match('a.PY'))
-
-    def test_is_absolute(self):
-        P = self.cls
-        self.assertFalse(P().is_absolute())
-        self.assertFalse(P('a').is_absolute())
-        self.assertFalse(P('a/b/').is_absolute())
-        self.assertTrue(P('/').is_absolute())
-        self.assertTrue(P('/a').is_absolute())
-        self.assertTrue(P('/a/b/').is_absolute())
-        self.assertTrue(P('//a').is_absolute())
-        self.assertTrue(P('//a/b').is_absolute())
-
-    def test_is_reserved(self):
-        P = self.cls
-        self.assertIs(False, P('').is_reserved())
-        self.assertIs(False, P('/').is_reserved())
-        self.assertIs(False, P('/foo/bar').is_reserved())
-        self.assertIs(False, P('/dev/con/PRN/NUL').is_reserved())
-
-    def test_join(self):
-        P = self.cls
-        p = P('//a')
-        pp = p.joinpath('b')
-        self.assertEqual(pp, P('//a/b'))
-        pp = P('/a').joinpath('//c')
-        self.assertEqual(pp, P('//c'))
-        pp = P('//a').joinpath('/c')
-        self.assertEqual(pp, P('/c'))
-
-    def test_div(self):
-        # Basically the same as joinpath()
-        P = self.cls
-        p = P('//a')
-        pp = p / 'b'
-        self.assertEqual(pp, P('//a/b'))
-        pp = P('/a') / '//c'
-        self.assertEqual(pp, P('//c'))
-        pp = P('//a') / '/c'
-        self.assertEqual(pp, P('/c'))
-
-
-class PureWindowsPathTest(_BasePurePathTest, unittest.TestCase):
-    cls = pathlib.PureWindowsPath
-
-    equivalences = _BasePurePathTest.equivalences.copy()
-    equivalences.update({
-        'c:a': [('c:', 'a'), ('c:', 'a/'), ('/', 'c:', 'a')],
-        'c:/a': [
-            ('c:/', 'a'), ('c:', '/', 'a'), ('c:', '/a'),
-            ('/z', 'c:/', 'a'), ('//x/y', 'c:/', 'a'),
-            ],
-        '//a/b/': [('//a/b',)],
-        '//a/b/c': [
-            ('//a/b', 'c'), ('//a/b/', 'c'),
-            ],
-    })
-
-    def test_str(self):
-        p = self.cls('a/b/c')
-        self.assertEqual(str(p), 'a\\b\\c')
-        p = self.cls('c:/a/b/c')
-        self.assertEqual(str(p), 'c:\\a\\b\\c')
-        p = self.cls('//a/b')
-        self.assertEqual(str(p), '\\\\a\\b\\')
-        p = self.cls('//a/b/c')
-        self.assertEqual(str(p), '\\\\a\\b\\c')
-        p = self.cls('//a/b/c/d')
-        self.assertEqual(str(p), '\\\\a\\b\\c\\d')
-
-    def test_str_subclass(self):
-        self._check_str_subclass('c:')
-        self._check_str_subclass('c:a')
-        self._check_str_subclass('c:a\\b.txt')
-        self._check_str_subclass('c:\\')
-        self._check_str_subclass('c:\\a')
-        self._check_str_subclass('c:\\a\\b.txt')
-        self._check_str_subclass('\\\\some\\share')
-        self._check_str_subclass('\\\\some\\share\\a')
-        self._check_str_subclass('\\\\some\\share\\a\\b.txt')
-
-    def test_eq(self):
-        P = self.cls
-        self.assertEqual(P('c:a/b'), P('c:a/b'))
-        self.assertEqual(P('c:a/b'), P('c:', 'a', 'b'))
-        self.assertNotEqual(P('c:a/b'), P('d:a/b'))
-        self.assertNotEqual(P('c:a/b'), P('c:/a/b'))
-        self.assertNotEqual(P('/a/b'), P('c:/a/b'))
-        # Case-insensitivity
-        self.assertEqual(P('a/B'), P('A/b'))
-        self.assertEqual(P('C:a/B'), P('c:A/b'))
-        self.assertEqual(P('//Some/SHARE/a/B'), P('//somE/share/A/b'))
-
-    @with_fsencode
-    def test_as_uri(self):
-        P = self.cls
-        with self.assertRaises(ValueError):
-            P('/a/b').as_uri()
-        with self.assertRaises(ValueError):
-            P('c:a/b').as_uri()
-        self.assertEqual(P('c:/').as_uri(), 'file:///c:/')
-        self.assertEqual(P('c:/a/b.c').as_uri(), 'file:///c:/a/b.c')
-        self.assertEqual(P('c:/a/b%#c').as_uri(), 'file:///c:/a/b%25%23c')
-        self.assertEqual(P('c:/a/b\xe9').as_uri(), 'file:///c:/a/b%C3%A9')
-        self.assertEqual(P('//some/share/').as_uri(), 'file://some/share/')
-        self.assertEqual(P('//some/share/a/b.c').as_uri(),
-                         'file://some/share/a/b.c')
-        self.assertEqual(P('//some/share/a/b%#c\xe9').as_uri(),
-                         'file://some/share/a/b%25%23c%C3%A9')
-
-    def test_match_common(self):
-        P = self.cls
-        # Absolute patterns
-        self.assertTrue(P('c:/b.py').match('/*.py'))
-        self.assertTrue(P('c:/b.py').match('c:*.py'))
-        self.assertTrue(P('c:/b.py').match('c:/*.py'))
-        self.assertFalse(P('d:/b.py').match('c:/*.py'))  # wrong drive
-        self.assertFalse(P('b.py').match('/*.py'))
-        self.assertFalse(P('b.py').match('c:*.py'))
-        self.assertFalse(P('b.py').match('c:/*.py'))
-        self.assertFalse(P('c:b.py').match('/*.py'))
-        self.assertFalse(P('c:b.py').match('c:/*.py'))
-        self.assertFalse(P('/b.py').match('c:*.py'))
-        self.assertFalse(P('/b.py').match('c:/*.py'))
-        # UNC patterns
-        self.assertTrue(P('//some/share/a.py').match('/*.py'))
-        self.assertTrue(P('//some/share/a.py').match('//some/share/*.py'))
-        self.assertFalse(P('//other/share/a.py').match('//some/share/*.py'))
-        self.assertFalse(P('//some/share/a/b.py').match('//some/share/*.py'))
-        # Case-insensitivity
-        self.assertTrue(P('B.py').match('b.PY'))
-        self.assertTrue(P('c:/a/B.Py').match('C:/A/*.pY'))
-        self.assertTrue(P('//Some/Share/B.Py').match('//somE/sharE/*.pY'))
-
-    def test_ordering_common(self):
-        # Case-insensitivity
-        def assertOrderedEqual(a, b):
-            self.assertLessEqual(a, b)
-            self.assertGreaterEqual(b, a)
-        P = self.cls
-        p = P('c:A/b')
-        q = P('C:a/B')
-        assertOrderedEqual(p, q)
-        self.assertFalse(p < q)
-        self.assertFalse(p > q)
-        p = P('//some/Share/A/b')
-        q = P('//Some/SHARE/a/B')
-        assertOrderedEqual(p, q)
-        self.assertFalse(p < q)
-        self.assertFalse(p > q)
-
-    def test_parts(self):
-        P = self.cls
-        p = P('c:a/b')
-        parts = p.parts
-        self.assertEqual(parts, ('c:', 'a', 'b'))
-        p = P('c:/a/b')
-        parts = p.parts
-        self.assertEqual(parts, ('c:\\', 'a', 'b'))
-        p = P('//a/b/c/d')
-        parts = p.parts
-        self.assertEqual(parts, ('\\\\a\\b\\', 'c', 'd'))
-
-    def test_parent(self):
-        # Anchored
-        P = self.cls
-        p = P('z:a/b/c')
-        self.assertEqual(p.parent, P('z:a/b'))
-        self.assertEqual(p.parent.parent, P('z:a'))
-        self.assertEqual(p.parent.parent.parent, P('z:'))
-        self.assertEqual(p.parent.parent.parent.parent, P('z:'))
-        p = P('z:/a/b/c')
-        self.assertEqual(p.parent, P('z:/a/b'))
-        self.assertEqual(p.parent.parent, P('z:/a'))
-        self.assertEqual(p.parent.parent.parent, P('z:/'))
-        self.assertEqual(p.parent.parent.parent.parent, P('z:/'))
-        p = P('//a/b/c/d')
-        self.assertEqual(p.parent, P('//a/b/c'))
-        self.assertEqual(p.parent.parent, P('//a/b'))
-        self.assertEqual(p.parent.parent.parent, P('//a/b'))
-
-    def test_parents(self):
-        # Anchored
-        P = self.cls
-        p = P('z:a/b/')
-        par = p.parents
-        self.assertEqual(len(par), 2)
-        self.assertEqual(par[0], P('z:a'))
-        self.assertEqual(par[1], P('z:'))
-        self.assertEqual(list(par), [P('z:a'), P('z:')])
-        with self.assertRaises(IndexError):
-            par[2]
-        p = P('z:/a/b/')
-        par = p.parents
-        self.assertEqual(len(par), 2)
-        self.assertEqual(par[0], P('z:/a'))
-        self.assertEqual(par[1], P('z:/'))
-        self.assertEqual(list(par), [P('z:/a'), P('z:/')])
-        with self.assertRaises(IndexError):
-            par[2]
-        p = P('//a/b/c/d')
-        par = p.parents
-        self.assertEqual(len(par), 2)
-        self.assertEqual(par[0], P('//a/b/c'))
-        self.assertEqual(par[1], P('//a/b'))
-        self.assertEqual(list(par), [P('//a/b/c'), P('//a/b')])
-        with self.assertRaises(IndexError):
-            par[2]
-
-    def test_drive(self):
-        P = self.cls
-        self.assertEqual(P('c:').drive, 'c:')
-        self.assertEqual(P('c:a/b').drive, 'c:')
-        self.assertEqual(P('c:/').drive, 'c:')
-        self.assertEqual(P('c:/a/b/').drive, 'c:')
-        self.assertEqual(P('//a/b').drive, '\\\\a\\b')
-        self.assertEqual(P('//a/b/').drive, '\\\\a\\b')
-        self.assertEqual(P('//a/b/c/d').drive, '\\\\a\\b')
-
-    def test_root(self):
-        P = self.cls
-        self.assertEqual(P('c:').root, '')
-        self.assertEqual(P('c:a/b').root, '')
-        self.assertEqual(P('c:/').root, '\\')
-        self.assertEqual(P('c:/a/b/').root, '\\')
-        self.assertEqual(P('//a/b').root, '\\')
-        self.assertEqual(P('//a/b/').root, '\\')
-        self.assertEqual(P('//a/b/c/d').root, '\\')
-
-    def test_anchor(self):
-        P = self.cls
-        self.assertEqual(P('c:').anchor, 'c:')
-        self.assertEqual(P('c:a/b').anchor, 'c:')
-        self.assertEqual(P('c:/').anchor, 'c:\\')
-        self.assertEqual(P('c:/a/b/').anchor, 'c:\\')
-        self.assertEqual(P('//a/b').anchor, '\\\\a\\b\\')
-        self.assertEqual(P('//a/b/').anchor, '\\\\a\\b\\')
-        self.assertEqual(P('//a/b/c/d').anchor, '\\\\a\\b\\')
-
-    def test_name(self):
-        P = self.cls
-        self.assertEqual(P('c:').name, '')
-        self.assertEqual(P('c:/').name, '')
-        self.assertEqual(P('c:a/b').name, 'b')
-        self.assertEqual(P('c:/a/b').name, 'b')
-        self.assertEqual(P('c:a/b.py').name, 'b.py')
-        self.assertEqual(P('c:/a/b.py').name, 'b.py')
-        self.assertEqual(P('//My.py/Share.php').name, '')
-        self.assertEqual(P('//My.py/Share.php/a/b').name, 'b')
-
-    def test_suffix(self):
-        P = self.cls
-        self.assertEqual(P('c:').suffix, '')
-        self.assertEqual(P('c:/').suffix, '')
-        self.assertEqual(P('c:a/b').suffix, '')
-        self.assertEqual(P('c:/a/b').suffix, '')
-        self.assertEqual(P('c:a/b.py').suffix, '.py')
-        self.assertEqual(P('c:/a/b.py').suffix, '.py')
-        self.assertEqual(P('c:a/.hgrc').suffix, '')
-        self.assertEqual(P('c:/a/.hgrc').suffix, '')
-        self.assertEqual(P('c:a/.hg.rc').suffix, '.rc')
-        self.assertEqual(P('c:/a/.hg.rc').suffix, '.rc')
-        self.assertEqual(P('c:a/b.tar.gz').suffix, '.gz')
-        self.assertEqual(P('c:/a/b.tar.gz').suffix, '.gz')
-        self.assertEqual(P('c:a/Some name. Ending with a dot.').suffix, '')
-        self.assertEqual(P('c:/a/Some name. Ending with a dot.').suffix, '')
-        self.assertEqual(P('//My.py/Share.php').suffix, '')
-        self.assertEqual(P('//My.py/Share.php/a/b').suffix, '')
-
-    def test_suffixes(self):
-        P = self.cls
-        self.assertEqual(P('c:').suffixes, [])
-        self.assertEqual(P('c:/').suffixes, [])
-        self.assertEqual(P('c:a/b').suffixes, [])
-        self.assertEqual(P('c:/a/b').suffixes, [])
-        self.assertEqual(P('c:a/b.py').suffixes, ['.py'])
-        self.assertEqual(P('c:/a/b.py').suffixes, ['.py'])
-        self.assertEqual(P('c:a/.hgrc').suffixes, [])
-        self.assertEqual(P('c:/a/.hgrc').suffixes, [])
-        self.assertEqual(P('c:a/.hg.rc').suffixes, ['.rc'])
-        self.assertEqual(P('c:/a/.hg.rc').suffixes, ['.rc'])
-        self.assertEqual(P('c:a/b.tar.gz').suffixes, ['.tar', '.gz'])
-        self.assertEqual(P('c:/a/b.tar.gz').suffixes, ['.tar', '.gz'])
-        self.assertEqual(P('//My.py/Share.php').suffixes, [])
-        self.assertEqual(P('//My.py/Share.php/a/b').suffixes, [])
-        self.assertEqual(P('c:a/Some name. Ending with a dot.').suffixes, [])
-        self.assertEqual(P('c:/a/Some name. Ending with a dot.').suffixes, [])
-
-    def test_stem(self):
-        P = self.cls
-        self.assertEqual(P('c:').stem, '')
-        self.assertEqual(P('c:.').stem, '')
-        self.assertEqual(P('c:..').stem, '..')
-        self.assertEqual(P('c:/').stem, '')
-        self.assertEqual(P('c:a/b').stem, 'b')
-        self.assertEqual(P('c:a/b.py').stem, 'b')
-        self.assertEqual(P('c:a/.hgrc').stem, '.hgrc')
-        self.assertEqual(P('c:a/.hg.rc').stem, '.hg')
-        self.assertEqual(P('c:a/b.tar.gz').stem, 'b.tar')
-        self.assertEqual(P('c:a/Some name. Ending with a dot.').stem,
-                         'Some name. Ending with a dot.')
-
-    def test_with_name(self):
-        P = self.cls
-        self.assertEqual(P('c:a/b').with_name('d.xml'), P('c:a/d.xml'))
-        self.assertEqual(P('c:/a/b').with_name('d.xml'), P('c:/a/d.xml'))
-        self.assertEqual(
-            P('c:a/Dot ending.').with_name('d.xml'), P('c:a/d.xml'))
-        self.assertEqual(
-            P('c:/a/Dot ending.').with_name('d.xml'), P('c:/a/d.xml'))
-        self.assertRaises(ValueError, P('c:').with_name, 'd.xml')
-        self.assertRaises(ValueError, P('c:/').with_name, 'd.xml')
-        self.assertRaises(ValueError, P('//My/Share').with_name, 'd.xml')
-        self.assertRaises(ValueError, P('c:a/b').with_name, 'd:')
-        self.assertRaises(ValueError, P('c:a/b').with_name, 'd:e')
-        self.assertRaises(ValueError, P('c:a/b').with_name, 'd:/e')
-        self.assertRaises(ValueError, P('c:a/b').with_name, '//My/Share')
-
-    def test_with_suffix(self):
-        P = self.cls
-        self.assertEqual(P('c:a/b').with_suffix('.gz'), P('c:a/b.gz'))
-        self.assertEqual(P('c:/a/b').with_suffix('.gz'), P('c:/a/b.gz'))
-        self.assertEqual(P('c:a/b.py').with_suffix('.gz'), P('c:a/b.gz'))
-        self.assertEqual(P('c:/a/b.py').with_suffix('.gz'), P('c:/a/b.gz'))
-        # Path doesn't have a "filename" component
-        self.assertRaises(ValueError, P('').with_suffix, '.gz')
-        self.assertRaises(ValueError, P('.').with_suffix, '.gz')
-        self.assertRaises(ValueError, P('/').with_suffix, '.gz')
-        self.assertRaises(ValueError, P('//My/Share').with_suffix, '.gz')
-        # Invalid suffix
-        self.assertRaises(ValueError, P('c:a/b').with_suffix, 'gz')
-        self.assertRaises(ValueError, P('c:a/b').with_suffix, '/')
-        self.assertRaises(ValueError, P('c:a/b').with_suffix, '\\')
-        self.assertRaises(ValueError, P('c:a/b').with_suffix, 'c:')
-        self.assertRaises(ValueError, P('c:a/b').with_suffix, '/.gz')
-        self.assertRaises(ValueError, P('c:a/b').with_suffix, '\\.gz')
-        self.assertRaises(ValueError, P('c:a/b').with_suffix, 'c:.gz')
-        self.assertRaises(ValueError, P('c:a/b').with_suffix, 'c/d')
-        self.assertRaises(ValueError, P('c:a/b').with_suffix, 'c\\d')
-        self.assertRaises(ValueError, P('c:a/b').with_suffix, '.c/d')
-        self.assertRaises(ValueError, P('c:a/b').with_suffix, '.c\\d')
-
-    def test_relative_to(self):
-        P = self.cls
-        p = P('C:Foo/Bar')
-        self.assertEqual(p.relative_to(P('c:')), P('Foo/Bar'))
-        self.assertEqual(p.relative_to('c:'), P('Foo/Bar'))
-        self.assertEqual(p.relative_to(P('c:foO')), P('Bar'))
-        self.assertEqual(p.relative_to('c:foO'), P('Bar'))
-        self.assertEqual(p.relative_to('c:foO/'), P('Bar'))
-        self.assertEqual(p.relative_to(P('c:foO/baR')), P())
-        self.assertEqual(p.relative_to('c:foO/baR'), P())
-        # Unrelated paths
-        self.assertRaises(ValueError, p.relative_to, P())
-        self.assertRaises(ValueError, p.relative_to, '')
-        self.assertRaises(ValueError, p.relative_to, P('d:'))
-        self.assertRaises(ValueError, p.relative_to, P('/'))
-        self.assertRaises(ValueError, p.relative_to, P('Foo'))
-        self.assertRaises(ValueError, p.relative_to, P('/Foo'))
-        self.assertRaises(ValueError, p.relative_to, P('C:/Foo'))
-        self.assertRaises(ValueError, p.relative_to, P('C:Foo/Bar/Baz'))
-        self.assertRaises(ValueError, p.relative_to, P('C:Foo/Baz'))
-        p = P('C:/Foo/Bar')
-        self.assertEqual(p.relative_to(P('c:')), P('/Foo/Bar'))
-        self.assertEqual(p.relative_to('c:'), P('/Foo/Bar'))
-        self.assertEqual(str(p.relative_to(P('c:'))), '\\Foo\\Bar')
-        self.assertEqual(str(p.relative_to('c:')), '\\Foo\\Bar')
-        self.assertEqual(p.relative_to(P('c:/')), P('Foo/Bar'))
-        self.assertEqual(p.relative_to('c:/'), P('Foo/Bar'))
-        self.assertEqual(p.relative_to(P('c:/foO')), P('Bar'))
-        self.assertEqual(p.relative_to('c:/foO'), P('Bar'))
-        self.assertEqual(p.relative_to('c:/foO/'), P('Bar'))
-        self.assertEqual(p.relative_to(P('c:/foO/baR')), P())
-        self.assertEqual(p.relative_to('c:/foO/baR'), P())
-        # Unrelated paths
-        self.assertRaises(ValueError, p.relative_to, P('C:/Baz'))
-        self.assertRaises(ValueError, p.relative_to, P('C:/Foo/Bar/Baz'))
-        self.assertRaises(ValueError, p.relative_to, P('C:/Foo/Baz'))
-        self.assertRaises(ValueError, p.relative_to, P('C:Foo'))
-        self.assertRaises(ValueError, p.relative_to, P('d:'))
-        self.assertRaises(ValueError, p.relative_to, P('d:/'))
-        self.assertRaises(ValueError, p.relative_to, P('/'))
-        self.assertRaises(ValueError, p.relative_to, P('/Foo'))
-        self.assertRaises(ValueError, p.relative_to, P('//C/Foo'))
-        # UNC paths
-        p = P('//Server/Share/Foo/Bar')
-        self.assertEqual(p.relative_to(P('//sErver/sHare')), P('Foo/Bar'))
-        self.assertEqual(p.relative_to('//sErver/sHare'), P('Foo/Bar'))
-        self.assertEqual(p.relative_to('//sErver/sHare/'), P('Foo/Bar'))
-        self.assertEqual(p.relative_to(P('//sErver/sHare/Foo')), P('Bar'))
-        self.assertEqual(p.relative_to('//sErver/sHare/Foo'), P('Bar'))
-        self.assertEqual(p.relative_to('//sErver/sHare/Foo/'), P('Bar'))
-        self.assertEqual(p.relative_to(P('//sErver/sHare/Foo/Bar')), P())
-        self.assertEqual(p.relative_to('//sErver/sHare/Foo/Bar'), P())
-        # Unrelated paths
-        self.assertRaises(ValueError, p.relative_to, P('/Server/Share/Foo'))
-        self.assertRaises(ValueError, p.relative_to, P('c:/Server/Share/Foo'))
-        self.assertRaises(ValueError, p.relative_to, P('//z/Share/Foo'))
-        self.assertRaises(ValueError, p.relative_to, P('//Server/z/Foo'))
-
-    def test_is_absolute(self):
-        P = self.cls
-        # Under NT, only paths with both a drive and a root are absolute
-        self.assertFalse(P().is_absolute())
-        self.assertFalse(P('a').is_absolute())
-        self.assertFalse(P('a/b/').is_absolute())
-        self.assertFalse(P('/').is_absolute())
-        self.assertFalse(P('/a').is_absolute())
-        self.assertFalse(P('/a/b/').is_absolute())
-        self.assertFalse(P('c:').is_absolute())
-        self.assertFalse(P('c:a').is_absolute())
-        self.assertFalse(P('c:a/b/').is_absolute())
-        self.assertTrue(P('c:/').is_absolute())
-        self.assertTrue(P('c:/a').is_absolute())
-        self.assertTrue(P('c:/a/b/').is_absolute())
-        # UNC paths are absolute by definition
-        self.assertTrue(P('//a/b').is_absolute())
-        self.assertTrue(P('//a/b/').is_absolute())
-        self.assertTrue(P('//a/b/c').is_absolute())
-        self.assertTrue(P('//a/b/c/d').is_absolute())
-
-    def test_join(self):
-        P = self.cls
-        p = P('C:/a/b')
-        pp = p.joinpath('x/y')
-        self.assertEqual(pp, P('C:/a/b/x/y'))
-        pp = p.joinpath('/x/y')
-        self.assertEqual(pp, P('C:/x/y'))
-        # Joining with a different drive => the first path is ignored, even
-        # if the second path is relative.
-        pp = p.joinpath('D:x/y')
-        self.assertEqual(pp, P('D:x/y'))
-        pp = p.joinpath('D:/x/y')
-        self.assertEqual(pp, P('D:/x/y'))
-        pp = p.joinpath('//host/share/x/y')
-        self.assertEqual(pp, P('//host/share/x/y'))
-        # Joining with the same drive => the first path is appended to if
-        # the second path is relative.
-        pp = p.joinpath('c:x/y')
-        self.assertEqual(pp, P('C:/a/b/x/y'))
-        pp = p.joinpath('c:/x/y')
-        self.assertEqual(pp, P('C:/x/y'))
-
-    def test_div(self):
-        # Basically the same as joinpath()
-        P = self.cls
-        p = P('C:/a/b')
-        self.assertEqual(p / 'x/y', P('C:/a/b/x/y'))
-        self.assertEqual(p / 'x' / 'y', P('C:/a/b/x/y'))
-        self.assertEqual(p / '/x/y', P('C:/x/y'))
-        self.assertEqual(p / '/x' / 'y', P('C:/x/y'))
-        # Joining with a different drive => the first path is ignored, even
-        # if the second path is relative.
-        self.assertEqual(p / 'D:x/y', P('D:x/y'))
-        self.assertEqual(p / 'D:' / 'x/y', P('D:x/y'))
-        self.assertEqual(p / 'D:/x/y', P('D:/x/y'))
-        self.assertEqual(p / 'D:' / '/x/y', P('D:/x/y'))
-        self.assertEqual(p / '//host/share/x/y', P('//host/share/x/y'))
-        # Joining with the same drive => the first path is appended to if
-        # the second path is relative.
-        self.assertEqual(p / 'c:x/y', P('C:/a/b/x/y'))
-        self.assertEqual(p / 'c:/x/y', P('C:/x/y'))
-
-    def test_is_reserved(self):
-        P = self.cls
-        self.assertIs(False, P('').is_reserved())
-        self.assertIs(False, P('/').is_reserved())
-        self.assertIs(False, P('/foo/bar').is_reserved())
-        self.assertIs(True, P('con').is_reserved())
-        self.assertIs(True, P('NUL').is_reserved())
-        self.assertIs(True, P('NUL.txt').is_reserved())
-        self.assertIs(True, P('com1').is_reserved())
-        self.assertIs(True, P('com9.bar').is_reserved())
-        self.assertIs(False, P('bar.com9').is_reserved())
-        self.assertIs(True, P('lpt1').is_reserved())
-        self.assertIs(True, P('lpt9.bar').is_reserved())
-        self.assertIs(False, P('bar.lpt9').is_reserved())
-        # Only the last component matters
-        self.assertIs(False, P('c:/NUL/con/baz').is_reserved())
-        # UNC paths are never reserved
-        self.assertIs(False, P('//my/share/nul/con/aux').is_reserved())
-
-
-class PurePathTest(_BasePurePathTest, unittest.TestCase):
-    cls = pathlib.PurePath
-
-    def test_concrete_class(self):
-        p = self.cls('a')
-        self.assertIs(
-            type(p),
-            pathlib.PureWindowsPath
-            if os.name == 'nt' else pathlib.PurePosixPath)
-
-    def test_different_flavours_unequal(self):
-        p = pathlib.PurePosixPath('a')
-        q = pathlib.PureWindowsPath('a')
-        self.assertNotEqual(p, q)
-
-    @unittest.skipIf(sys.version_info < (3, 0),
-                     'Most types are orderable in Python 2')
-    def test_different_flavours_unordered(self):
-        p = pathlib.PurePosixPath('a')
-        q = pathlib.PureWindowsPath('a')
-        with self.assertRaises(TypeError):
-            p < q
-        with self.assertRaises(TypeError):
-            p <= q
-        with self.assertRaises(TypeError):
-            p > q
-        with self.assertRaises(TypeError):
-            p >= q
-
-
-#
-# Tests for the concrete classes
-#
-
-# Make sure any symbolic links in the base test path are resolved
-BASE = os.path.realpath(TESTFN)
-join = lambda *x: os.path.join(BASE, *x)
-rel_join = lambda *x: os.path.join(TESTFN, *x)
-
-
-def symlink_skip_reason():
-    if not pathlib.supports_symlinks:
-        return "no system support for symlinks"
-    try:
-        os.symlink(__file__, BASE)
-    except OSError as e:
-        return str(e)
-    else:
-        support.unlink(BASE)
-    return None
-
-symlink_skip_reason = symlink_skip_reason()
-
-only_nt = unittest.skipIf(os.name != 'nt',
-                          'test requires a Windows-compatible system')
-only_posix = unittest.skipIf(os.name == 'nt',
-                             'test requires a POSIX-compatible system')
-with_symlinks = unittest.skipIf(symlink_skip_reason, symlink_skip_reason)
-
-
-@only_posix
-class PosixPathAsPureTest(PurePosixPathTest):
-    cls = pathlib.PosixPath
-
-
-@only_nt
-class WindowsPathAsPureTest(PureWindowsPathTest):
-    cls = pathlib.WindowsPath
-
-
-class _BasePathTest(object):
-
-    """Tests for the FS-accessing functionalities of the Path classes."""
-
-    # (BASE)
-    #  |
-    #  |-- dirA/
-    #       |-- linkC -> "../dirB"
-    #  |-- dirB/
-    #  |    |-- fileB
-    #       |-- linkD -> "../dirB"
-    #  |-- dirC/
-    #  |    |-- fileC
-    #  |    |-- fileD
-    #  |-- fileA
-    #  |-- linkA -> "fileA"
-    #  |-- linkB -> "dirB"
-    #
-
-    def setUp(self):
-        os.mkdir(BASE)
-        self.addCleanup(shutil.rmtree, BASE)
-        os.mkdir(join('dirA'))
-        os.mkdir(join('dirB'))
-        os.mkdir(join('dirC'))
-        os.mkdir(join('dirC', 'dirD'))
-        with open(join('fileA'), 'wb') as f:
-            f.write(b"this is file A\n")
-        with open(join('dirB', 'fileB'), 'wb') as f:
-            f.write(b"this is file B\n")
-        with open(join('dirC', 'fileC'), 'wb') as f:
-            f.write(b"this is file C\n")
-        with open(join('dirC', 'dirD', 'fileD'), 'wb') as f:
-            f.write(b"this is file D\n")
-        if not symlink_skip_reason:
-            # Relative symlinks
-            os.symlink('fileA', join('linkA'))
-            os.symlink('non-existing', join('brokenLink'))
-            self.dirlink('dirB', join('linkB'))
-            self.dirlink(os.path.join('..', 'dirB'), join('dirA', 'linkC'))
-            # This one goes upwards but doesn't create a loop
-            self.dirlink(os.path.join('..', 'dirB'), join('dirB', 'linkD'))
-
-    if os.name == 'nt':
-        # Workaround for http://bugs.python.org/issue13772
-        def dirlink(self, src, dest):
-            os.symlink(src, dest, target_is_directory=True)
-    else:
-        def dirlink(self, src, dest):
-            os.symlink(src, dest)
-
-    def assertSame(self, path_a, path_b):
-        self.assertTrue(os.path.samefile(str(path_a), str(path_b)),
-                        "%r and %r don't point to the same file" %
-                        (path_a, path_b))
-
-    def assertFileNotFound(self, func, *args, **kwargs):
-        if sys.version_info >= (3, 3):
-            with self.assertRaises(FileNotFoundError) as cm:
-                func(*args, **kwargs)
-        else:
-            with self.assertRaises(OSError) as cm:
-                # Python 2.6 kludge for http://bugs.python.org/issue7853
-                try:
-                    func(*args, **kwargs)
-                except:
-                    raise
-            self.assertEqual(cm.exception.errno, errno.ENOENT)
-
-    def assertFileExists(self, func, *args, **kwargs):
-        if sys.version_info >= (3, 3):
-            with self.assertRaises(FileExistsError) as cm:
-                func(*args, **kwargs)
-        else:
-            with self.assertRaises(OSError) as cm:
-                # Python 2.6 kludge for http://bugs.python.org/issue7853
-                try:
-                    func(*args, **kwargs)
-                except:
-                    raise
-            self.assertEqual(cm.exception.errno, errno.EEXIST)
-
-    def _test_cwd(self, p):
-        q = self.cls(os.getcwd())
-        self.assertEqual(p, q)
-        self.assertEqual(str(p), str(q))
-        self.assertIs(type(p), type(q))
-        self.assertTrue(p.is_absolute())
-
-    def test_cwd(self):
-        p = self.cls.cwd()
-        self._test_cwd(p)
-
-    def _test_home(self, p):
-        q = self.cls(os.path.expanduser('~'))
-        self.assertEqual(p, q)
-        self.assertEqual(str(p), str(q))
-        self.assertIs(type(p), type(q))
-        self.assertTrue(p.is_absolute())
-
-    def test_home(self):
-        p = self.cls.home()
-        self._test_home(p)
-
-    def test_samefile(self):
-        fileA_path = os.path.join(BASE, 'fileA')
-        fileB_path = os.path.join(BASE, 'dirB', 'fileB')
-        p = self.cls(fileA_path)
-        pp = self.cls(fileA_path)
-        q = self.cls(fileB_path)
-        self.assertTrue(p.samefile(fileA_path))
-        self.assertTrue(p.samefile(pp))
-        self.assertFalse(p.samefile(fileB_path))
-        self.assertFalse(p.samefile(q))
-        # Test the non-existent file case
-        non_existent = os.path.join(BASE, 'foo')
-        r = self.cls(non_existent)
-        self.assertFileNotFound(p.samefile, r)
-        self.assertFileNotFound(p.samefile, non_existent)
-        self.assertFileNotFound(r.samefile, p)
-        self.assertFileNotFound(r.samefile, non_existent)
-        self.assertFileNotFound(r.samefile, r)
-        self.assertFileNotFound(r.samefile, non_existent)
-
-    def test_empty_path(self):
-        # The empty path points to '.'
-        p = self.cls('')
-        self.assertEqual(p.stat(), os.stat('.'))
-
-    def test_expanduser_common(self):
-        P = self.cls
-        p = P('~')
-        self.assertEqual(p.expanduser(), P(os.path.expanduser('~')))
-        p = P('foo')
-        self.assertEqual(p.expanduser(), p)
-        p = P('/~')
-        self.assertEqual(p.expanduser(), p)
-        p = P('../~')
-        self.assertEqual(p.expanduser(), p)
-        p = P(P('').absolute().anchor) / '~'
-        self.assertEqual(p.expanduser(), p)
-
-    def test_exists(self):
-        P = self.cls
-        p = P(BASE)
-        self.assertIs(True, p.exists())
-        self.assertIs(True, (p / 'dirA').exists())
-        self.assertIs(True, (p / 'fileA').exists())
-        self.assertIs(False, (p / 'fileA' / 'bah').exists())
-        if not symlink_skip_reason:
-            self.assertIs(True, (p / 'linkA').exists())
-            self.assertIs(True, (p / 'linkB').exists())
-            self.assertIs(True, (p / 'linkB' / 'fileB').exists())
-            self.assertIs(False, (p / 'linkA' / 'bah').exists())
-        self.assertIs(False, (p / 'foo').exists())
-        self.assertIs(False, P('/xyzzy').exists())
-
-    def test_open_common(self):
-        p = self.cls(BASE)
-        with (p / 'fileA').open('r') as f:
-            self.assertIsInstance(f, io.TextIOBase)
-            self.assertEqual(f.read(), "this is file A\n")
-        with (p / 'fileA').open('rb') as f:
-            self.assertIsInstance(f, io.BufferedIOBase)
-            self.assertEqual(f.read().strip(), b"this is file A")
-        with (p / 'fileA').open('rb', buffering=0) as f:
-            self.assertIsInstance(f, io.RawIOBase)
-            self.assertEqual(f.read().strip(), b"this is file A")
-
-    def test_read_write_bytes(self):
-        p = self.cls(BASE)
-        (p / 'fileA').write_bytes(b'abcdefg')
-        self.assertEqual((p / 'fileA').read_bytes(), b'abcdefg')
-        # check that trying to write str does not truncate the file
-        with self.assertRaises(TypeError) as cm:
-            (p / 'fileA').write_bytes(six.u('somestr'))
-        self.assertTrue(str(cm.exception).startswith('data must be'))
-        self.assertEqual((p / 'fileA').read_bytes(), b'abcdefg')
-
-    def test_read_write_text(self):
-        p = self.cls(BASE)
-        (p / 'fileA').write_text(six.u('\u00e4bcdefg'), encoding='latin-1')
-        self.assertEqual((p / 'fileA').read_text(
-            encoding='utf-8', errors='ignore'), six.u('bcdefg'))
-        # check that trying to write bytes does not truncate the file
-        with self.assertRaises(TypeError) as cm:
-            (p / 'fileA').write_text(b'somebytes')
-        self.assertTrue(str(cm.exception).startswith('data must be'))
-        self.assertEqual((p / 'fileA').read_text(encoding='latin-1'),
-                         six.u('\u00e4bcdefg'))
-
-    def test_iterdir(self):
-        P = self.cls
-        p = P(BASE)
-        it = p.iterdir()
-        paths = set(it)
-        expected = ['dirA', 'dirB', 'dirC', 'fileA']
-        if not symlink_skip_reason:
-            expected += ['linkA', 'linkB', 'brokenLink']
-        self.assertEqual(paths, set(P(BASE, q) for q in expected))
-
-    @with_symlinks
-    def test_iterdir_symlink(self):
-        # __iter__ on a symlink to a directory
-        P = self.cls
-        p = P(BASE, 'linkB')
-        paths = set(p.iterdir())
-        expected = set(P(BASE, 'linkB', q) for q in ['fileB', 'linkD'])
-        self.assertEqual(paths, expected)
-
-    def test_iterdir_nodir(self):
-        # __iter__ on something that is not a directory
-        p = self.cls(BASE, 'fileA')
-        with self.assertRaises(OSError) as cm:
-            # Python 2.6 kludge for http://bugs.python.org/issue7853
-            try:
-                next(p.iterdir())
-            except:
-                raise
-        # ENOENT or EINVAL under Windows, ENOTDIR otherwise
-        # (see issue #12802)
-        self.assertIn(cm.exception.errno, (errno.ENOTDIR,
-                                           errno.ENOENT, errno.EINVAL))
-
-    def test_glob_common(self):
-        def _check(glob, expected):
-            self.assertEqual(set(glob), set(P(BASE, q) for q in expected))
-        P = self.cls
-        p = P(BASE)
-        it = p.glob("fileA")
-        self.assertIsInstance(it, collections.Iterator)
-        _check(it, ["fileA"])
-        _check(p.glob("fileB"), [])
-        _check(p.glob("dir*/file*"), ["dirB/fileB", "dirC/fileC"])
-        if symlink_skip_reason:
-            _check(p.glob("*A"), ['dirA', 'fileA'])
-        else:
-            _check(p.glob("*A"), ['dirA', 'fileA', 'linkA'])
-        if symlink_skip_reason:
-            _check(p.glob("*B/*"), ['dirB/fileB'])
-        else:
-            _check(p.glob("*B/*"), ['dirB/fileB', 'dirB/linkD',
-                                    'linkB/fileB', 'linkB/linkD'])
-        if symlink_skip_reason:
-            _check(p.glob("*/fileB"), ['dirB/fileB'])
-        else:
-            _check(p.glob("*/fileB"), ['dirB/fileB', 'linkB/fileB'])
-
-    def test_rglob_common(self):
-        def _check(glob, expected):
-            self.assertEqual(set(glob), set(P(BASE, q) for q in expected))
-        P = self.cls
-        p = P(BASE)
-        it = p.rglob("fileA")
-        self.assertIsInstance(it, collections.Iterator)
-        # XXX cannot test because of symlink loops in the test setup
-        # _check(it, ["fileA"])
-        # _check(p.rglob("fileB"), ["dirB/fileB"])
-        # _check(p.rglob("*/fileA"), [""])
-        # _check(p.rglob("*/fileB"), ["dirB/fileB"])
-        # _check(p.rglob("file*"), ["fileA", "dirB/fileB"])
-        # No symlink loops here
-        p = P(BASE, "dirC")
-        _check(p.rglob("file*"), ["dirC/fileC", "dirC/dirD/fileD"])
-        _check(p.rglob("*/*"), ["dirC/dirD/fileD"])
-
-    def test_glob_dotdot(self):
-        # ".." is not special in globs
-        P = self.cls
-        p = P(BASE)
-        self.assertEqual(set(p.glob("..")), set([P(BASE, "..")]))
-        self.assertEqual(set(p.glob("dirA/../file*")),
-                         set([P(BASE, "dirA/../fileA")]))
-        self.assertEqual(set(p.glob("../xyzzy")), set())
-
-    def _check_resolve_relative(self, p, expected):
-        q = p.resolve()
-        self.assertEqual(q, expected)
-
-    def _check_resolve_absolute(self, p, expected):
-        q = p.resolve()
-        self.assertEqual(q, expected)
-
-    @with_symlinks
-    def test_resolve_common(self):
-        P = self.cls
-        p = P(BASE, 'foo')
-        with self.assertRaises(OSError) as cm:
-            p.resolve()
-        self.assertEqual(cm.exception.errno, errno.ENOENT)
-        # These are all relative symlinks
-        p = P(BASE, 'dirB', 'fileB')
-        self._check_resolve_relative(p, p)
-        p = P(BASE, 'linkA')
-        self._check_resolve_relative(p, P(BASE, 'fileA'))
-        p = P(BASE, 'dirA', 'linkC', 'fileB')
-        self._check_resolve_relative(p, P(BASE, 'dirB', 'fileB'))
-        p = P(BASE, 'dirB', 'linkD', 'fileB')
-        self._check_resolve_relative(p, P(BASE, 'dirB', 'fileB'))
-        # Now create absolute symlinks
-        d = tempfile.mkdtemp(suffix='-dirD')
-        self.addCleanup(shutil.rmtree, d)
-        os.symlink(os.path.join(d), join('dirA', 'linkX'))
-        os.symlink(join('dirB'), os.path.join(d, 'linkY'))
-        p = P(BASE, 'dirA', 'linkX', 'linkY', 'fileB')
-        self._check_resolve_absolute(p, P(BASE, 'dirB', 'fileB'))
-
-    @with_symlinks
-    def test_resolve_dot(self):
-        # See https://bitbucket.org/pitrou/pathlib/issue/9/
-        # pathresolve-fails-on-complex-symlinks
-        p = self.cls(BASE)
-        self.dirlink('.', join('0'))
-        self.dirlink(os.path.join('0', '0'), join('1'))
-        self.dirlink(os.path.join('1', '1'), join('2'))
-        q = p / '2'
-        self.assertEqual(q.resolve(), p)
-
-    def test_with(self):
-        p = self.cls(BASE)
-        it = p.iterdir()
-        it2 = p.iterdir()
-        next(it2)
-        with p:
-            pass
-        # I/O operation on closed path
-        self.assertRaises(ValueError, next, it)
-        self.assertRaises(ValueError, next, it2)
-        self.assertRaises(ValueError, p.open)
-        self.assertRaises(ValueError, p.resolve)
-        self.assertRaises(ValueError, p.absolute)
-        self.assertRaises(ValueError, p.__enter__)
-
-    def test_chmod(self):
-        p = self.cls(BASE) / 'fileA'
-        mode = p.stat().st_mode
-        # Clear writable bit
-        new_mode = mode & ~0o222
-        p.chmod(new_mode)
-        self.assertEqual(p.stat().st_mode, new_mode)
-        # Set writable bit
-        new_mode = mode | 0o222
-        p.chmod(new_mode)
-        self.assertEqual(p.stat().st_mode, new_mode)
-
-    # XXX also need a test for lchmod
-
-    def test_stat(self):
-        p = self.cls(BASE) / 'fileA'
-        st = p.stat()
-        self.assertEqual(p.stat(), st)
-        # Change file mode by flipping write bit
-        p.chmod(st.st_mode ^ 0o222)
-        self.addCleanup(p.chmod, st.st_mode)
-        self.assertNotEqual(p.stat(), st)
-
-    @with_symlinks
-    def test_lstat(self):
-        p = self.cls(BASE) / 'linkA'
-        st = p.stat()
-        self.assertNotEqual(st, p.lstat())
-
-    def test_lstat_nosymlink(self):
-        p = self.cls(BASE) / 'fileA'
-        st = p.stat()
-        self.assertEqual(st, p.lstat())
-
-    @unittest.skipUnless(pwd, "the pwd module is needed for this test")
-    def test_owner(self):
-        p = self.cls(BASE) / 'fileA'
-        uid = p.stat().st_uid
-        try:
-            name = pwd.getpwuid(uid).pw_name
-        except KeyError:
-            self.skipTest(
-                "user %d doesn't have an entry in the system database" % uid)
-        self.assertEqual(name, p.owner())
-
-    @unittest.skipUnless(grp, "the grp module is needed for this test")
-    def test_group(self):
-        p = self.cls(BASE) / 'fileA'
-        gid = p.stat().st_gid
-        try:
-            name = grp.getgrgid(gid).gr_name
-        except KeyError:
-            self.skipTest(
-                "group %d doesn't have an entry in the system database" % gid)
-        self.assertEqual(name, p.group())
-
-    def test_unlink(self):
-        p = self.cls(BASE) / 'fileA'
-        p.unlink()
-        self.assertFileNotFound(p.stat)
-        self.assertFileNotFound(p.unlink)
-
-    def test_rmdir(self):
-        p = self.cls(BASE) / 'dirA'
-        for q in p.iterdir():
-            q.unlink()
-        p.rmdir()
-        self.assertFileNotFound(p.stat)
-        self.assertFileNotFound(p.unlink)
-
-    def test_rename(self):
-        P = self.cls(BASE)
-        p = P / 'fileA'
-        size = p.stat().st_size
-        # Renaming to another path
-        q = P / 'dirA' / 'fileAA'
-        p.rename(q)
-        self.assertEqual(q.stat().st_size, size)
-        self.assertFileNotFound(p.stat)
-        # Renaming to a str of a relative path
-        r = rel_join('fileAAA')
-        q.rename(r)
-        self.assertEqual(os.stat(r).st_size, size)
-        self.assertFileNotFound(q.stat)
-
-    def test_replace(self):
-        P = self.cls(BASE)
-        p = P / 'fileA'
-        if sys.version_info < (3, 3):
-            self.assertRaises(NotImplementedError, p.replace, p)
-            return
-        size = p.stat().st_size
-        # Replacing a non-existing path
-        q = P / 'dirA' / 'fileAA'
-        p.replace(q)
-        self.assertEqual(q.stat().st_size, size)
-        self.assertFileNotFound(p.stat)
-        # Replacing another (existing) path
-        r = rel_join('dirB', 'fileB')
-        q.replace(r)
-        self.assertEqual(os.stat(r).st_size, size)
-        self.assertFileNotFound(q.stat)
-
-    def test_touch_common(self):
-        P = self.cls(BASE)
-        p = P / 'newfileA'
-        self.assertFalse(p.exists())
-        p.touch()
-        self.assertTrue(p.exists())
-        # Rewind the mtime sufficiently far in the past to work around
-        # filesystem-specific timestamp granularity.
-        old_mtime = p.stat().st_mtime - 10
-        os.utime(str(p), (old_mtime, old_mtime))
-        # The file mtime should be refreshed by calling touch() again
-        p.touch()
-        self.assertGreaterEqual(p.stat().st_mtime, old_mtime)
-        # Now with exist_ok=False
-        p = P / 'newfileB'
-        self.assertFalse(p.exists())
-        p.touch(mode=0o700, exist_ok=False)
-        self.assertTrue(p.exists())
-        self.assertRaises(OSError, p.touch, exist_ok=False)
-
-    def test_touch_nochange(self):
-        P = self.cls(BASE)
-        p = P / 'fileA'
-        p.touch()
-        with p.open('rb') as f:
-            self.assertEqual(f.read().strip(), b"this is file A")
-
-    def test_mkdir(self):
-        P = self.cls(BASE)
-        p = P / 'newdirA'
-        self.assertFalse(p.exists())
-        p.mkdir()
-        self.assertTrue(p.exists())
-        self.assertTrue(p.is_dir())
-        with self.assertRaises(OSError) as cm:
-            # Python 2.6 kludge for http://bugs.python.org/issue7853
-            try:
-                p.mkdir()
-            except:
-                raise
-        self.assertEqual(cm.exception.errno, errno.EEXIST)
-
-    def test_mkdir_parents(self):
-        # Creating a chain of directories
-        p = self.cls(BASE, 'newdirB', 'newdirC')
-        self.assertFalse(p.exists())
-        with self.assertRaises(OSError) as cm:
-            # Python 2.6 kludge for http://bugs.python.org/issue7853
-            try:
-                p.mkdir()
-            except:
-                raise
-        self.assertEqual(cm.exception.errno, errno.ENOENT)
-        p.mkdir(parents=True)
-        self.assertTrue(p.exists())
-        self.assertTrue(p.is_dir())
-        with self.assertRaises(OSError) as cm:
-            try:
-                p.mkdir(parents=True)
-            except:
-                raise
-        self.assertEqual(cm.exception.errno, errno.EEXIST)
-        # test `mode` arg
-        mode = stat.S_IMODE(p.stat().st_mode)  # default mode
-        p = self.cls(BASE, 'newdirD', 'newdirE')
-        p.mkdir(0o555, parents=True)
-        self.assertTrue(p.exists())
-        self.assertTrue(p.is_dir())
-        if os.name != 'nt':
-            # the directory's permissions follow the mode argument
-            self.assertEqual(stat.S_IMODE(p.stat().st_mode), 0o7555 & mode)
-        # the parent's permissions follow the default process settings
-        self.assertEqual(stat.S_IMODE(p.parent.stat().st_mode), mode)
-
-    def test_mkdir_exist_ok(self):
-        p = self.cls(BASE, 'dirB')
-        st_ctime_first = p.stat().st_ctime
-        self.assertTrue(p.exists())
-        self.assertTrue(p.is_dir())
-        self.assertFileExists(p.mkdir)
-        p.mkdir(exist_ok=True)
-        self.assertTrue(p.exists())
-        self.assertEqual(p.stat().st_ctime, st_ctime_first)
-
-    def test_mkdir_exist_ok_with_parent(self):
-        p = self.cls(BASE, 'dirC')
-        self.assertTrue(p.exists())
-        self.assertFileExists(p.mkdir)
-        p = p / 'newdirC'
-        p.mkdir(parents=True)
-        st_ctime_first = p.stat().st_ctime
-        self.assertTrue(p.exists())
-        self.assertFileExists(p.mkdir, parents=True)
-        p.mkdir(parents=True, exist_ok=True)
-        self.assertTrue(p.exists())
-        self.assertEqual(p.stat().st_ctime, st_ctime_first)
-
-    def test_mkdir_with_child_file(self):
-        p = self.cls(BASE, 'dirB', 'fileB')
-        self.assertTrue(p.exists())
-        # An exception is raised when the last path component is an existing
-        # regular file, regardless of whether exist_ok is true or not.
-        self.assertFileExists(p.mkdir, parents=True)
-        self.assertFileExists(p.mkdir, parents=True, exist_ok=True)
-
-    def test_mkdir_no_parents_file(self):
-        p = self.cls(BASE, 'fileA')
-        self.assertTrue(p.exists())
-        # An exception is raised when the last path component is an existing
-        # regular file, regardless of whether exist_ok is true or not.
-        self.assertFileExists(p.mkdir)
-        self.assertFileExists(p.mkdir, exist_ok=True)
-
-    @with_symlinks
-    def test_symlink_to(self):
-        P = self.cls(BASE)
-        target = P / 'fileA'
-        # Symlinking a path target
-        link = P / 'dirA' / 'linkAA'
-        link.symlink_to(target)
-        self.assertEqual(link.stat(), target.stat())
-        self.assertNotEqual(link.lstat(), target.stat())
-        # Symlinking a str target
-        link = P / 'dirA' / 'linkAAA'
-        link.symlink_to(str(target))
-        self.assertEqual(link.stat(), target.stat())
-        self.assertNotEqual(link.lstat(), target.stat())
-        self.assertFalse(link.is_dir())
-        # Symlinking to a directory
-        target = P / 'dirB'
-        link = P / 'dirA' / 'linkAAAA'
-        link.symlink_to(target, target_is_directory=True)
-        self.assertEqual(link.stat(), target.stat())
-        self.assertNotEqual(link.lstat(), target.stat())
-        self.assertTrue(link.is_dir())
-        self.assertTrue(list(link.iterdir()))
-
-    def test_is_dir(self):
-        P = self.cls(BASE)
-        self.assertTrue((P / 'dirA').is_dir())
-        self.assertFalse((P / 'fileA').is_dir())
-        self.assertFalse((P / 'non-existing').is_dir())
-        self.assertFalse((P / 'fileA' / 'bah').is_dir())
-        if not symlink_skip_reason:
-            self.assertFalse((P / 'linkA').is_dir())
-            self.assertTrue((P / 'linkB').is_dir())
-            self.assertFalse((P / 'brokenLink').is_dir())
-
-    def test_is_file(self):
-        P = self.cls(BASE)
-        self.assertTrue((P / 'fileA').is_file())
-        self.assertFalse((P / 'dirA').is_file())
-        self.assertFalse((P / 'non-existing').is_file())
-        self.assertFalse((P / 'fileA' / 'bah').is_file())
-        if not symlink_skip_reason:
-            self.assertTrue((P / 'linkA').is_file())
-            self.assertFalse((P / 'linkB').is_file())
-            self.assertFalse((P / 'brokenLink').is_file())
-
-    def test_is_symlink(self):
-        P = self.cls(BASE)
-        self.assertFalse((P / 'fileA').is_symlink())
-        self.assertFalse((P / 'dirA').is_symlink())
-        self.assertFalse((P / 'non-existing').is_symlink())
-        self.assertFalse((P / 'fileA' / 'bah').is_symlink())
-        if not symlink_skip_reason:
-            self.assertTrue((P / 'linkA').is_symlink())
-            self.assertTrue((P / 'linkB').is_symlink())
-            self.assertTrue((P / 'brokenLink').is_symlink())
-
-    def test_is_fifo_false(self):
-        P = self.cls(BASE)
-        self.assertFalse((P / 'fileA').is_fifo())
-        self.assertFalse((P / 'dirA').is_fifo())
-        self.assertFalse((P / 'non-existing').is_fifo())
-        self.assertFalse((P / 'fileA' / 'bah').is_fifo())
-
-    @unittest.skipUnless(hasattr(os, "mkfifo"), "os.mkfifo() required")
-    def test_is_fifo_true(self):
-        P = self.cls(BASE, 'myfifo')
-        os.mkfifo(str(P))
-        self.assertTrue(P.is_fifo())
-        self.assertFalse(P.is_socket())
-        self.assertFalse(P.is_file())
-
-    def test_is_socket_false(self):
-        P = self.cls(BASE)
-        self.assertFalse((P / 'fileA').is_socket())
-        self.assertFalse((P / 'dirA').is_socket())
-        self.assertFalse((P / 'non-existing').is_socket())
-        self.assertFalse((P / 'fileA' / 'bah').is_socket())
-
-    @unittest.skipUnless(hasattr(socket, "AF_UNIX"), "Unix sockets required")
-    def test_is_socket_true(self):
-        P = self.cls(BASE, 'mysock')
-        sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
-        self.addCleanup(sock.close)
-        try:
-            sock.bind(str(P))
-        except OSError as e:
-            if "AF_UNIX path too long" in str(e):
-                self.skipTest("cannot bind Unix socket: " + str(e))
-        self.assertTrue(P.is_socket())
-        self.assertFalse(P.is_fifo())
-        self.assertFalse(P.is_file())
-
-    def test_is_block_device_false(self):
-        P = self.cls(BASE)
-        self.assertFalse((P / 'fileA').is_block_device())
-        self.assertFalse((P / 'dirA').is_block_device())
-        self.assertFalse((P / 'non-existing').is_block_device())
-        self.assertFalse((P / 'fileA' / 'bah').is_block_device())
-
-    def test_is_char_device_false(self):
-        P = self.cls(BASE)
-        self.assertFalse((P / 'fileA').is_char_device())
-        self.assertFalse((P / 'dirA').is_char_device())
-        self.assertFalse((P / 'non-existing').is_char_device())
-        self.assertFalse((P / 'fileA' / 'bah').is_char_device())
-
-    @only_posix
-    def test_is_char_device_true(self):
-        # Under Unix, /dev/null should generally be a char device
-        P = self.cls('/dev/null')
-        if not P.exists():
-            self.skipTest("/dev/null required")
-        self.assertTrue(P.is_char_device())
-        self.assertFalse(P.is_block_device())
-        self.assertFalse(P.is_file())
-
-    def test_pickling_common(self):
-        p = self.cls(BASE, 'fileA')
-        for proto in range(0, pickle.HIGHEST_PROTOCOL + 1):
-            dumped = pickle.dumps(p, proto)
-            pp = pickle.loads(dumped)
-            self.assertEqual(pp.stat(), p.stat())
-
-    def test_parts_interning(self):
-        P = self.cls
-        p = P('/usr/bin/foo')
-        q = P('/usr/local/bin')
-        # 'usr'
-        self.assertIs(p.parts[1], q.parts[1])
-        # 'bin'
-        self.assertIs(p.parts[2], q.parts[3])
-
-    def _check_complex_symlinks(self, link0_target):
-        # Test solving a non-looping chain of symlinks (issue #19887)
-        P = self.cls(BASE)
-        self.dirlink(os.path.join('link0', 'link0'), join('link1'))
-        self.dirlink(os.path.join('link1', 'link1'), join('link2'))
-        self.dirlink(os.path.join('link2', 'link2'), join('link3'))
-        self.dirlink(link0_target, join('link0'))
-
-        # Resolve absolute paths
-        p = (P / 'link0').resolve()
-        self.assertEqual(p, P)
-        self.assertEqual(str(p), BASE)
-        p = (P / 'link1').resolve()
-        self.assertEqual(p, P)
-        self.assertEqual(str(p), BASE)
-        p = (P / 'link2').resolve()
-        self.assertEqual(p, P)
-        self.assertEqual(str(p), BASE)
-        p = (P / 'link3').resolve()
-        self.assertEqual(p, P)
-        self.assertEqual(str(p), BASE)
-
-        # Resolve relative paths
-        old_path = os.getcwd()
-        os.chdir(BASE)
-        try:
-            p = self.cls('link0').resolve()
-            self.assertEqual(p, P)
-            self.assertEqual(str(p), BASE)
-            p = self.cls('link1').resolve()
-            self.assertEqual(p, P)
-            self.assertEqual(str(p), BASE)
-            p = self.cls('link2').resolve()
-            self.assertEqual(p, P)
-            self.assertEqual(str(p), BASE)
-            p = self.cls('link3').resolve()
-            self.assertEqual(p, P)
-            self.assertEqual(str(p), BASE)
-        finally:
-            os.chdir(old_path)
-
-    @with_symlinks
-    def test_complex_symlinks_absolute(self):
-        self._check_complex_symlinks(BASE)
-
-    @with_symlinks
-    def test_complex_symlinks_relative(self):
-        self._check_complex_symlinks('.')
-
-    @with_symlinks
-    def test_complex_symlinks_relative_dot_dot(self):
-        self._check_complex_symlinks(os.path.join('dirA', '..'))
-
-
-class PathTest(_BasePathTest, unittest.TestCase):
-    cls = pathlib.Path
-
-    def test_concrete_class(self):
-        p = self.cls('a')
-        self.assertIs(
-            type(p),
-            pathlib.WindowsPath if os.name == 'nt' else pathlib.PosixPath)
-
-    def test_unsupported_flavour(self):
-        if os.name == 'nt':
-            self.assertRaises(NotImplementedError, pathlib.PosixPath)
-        else:
-            self.assertRaises(NotImplementedError, pathlib.WindowsPath)
-
-
-@only_posix
-class PosixPathTest(_BasePathTest, unittest.TestCase):
-    cls = pathlib.PosixPath
-
-    def _check_symlink_loop(self, *args):
-        path = self.cls(*args)
-        with self.assertRaises(RuntimeError):
-            print(path.resolve())
-
-    def test_open_mode(self):
-        old_mask = os.umask(0)
-        self.addCleanup(os.umask, old_mask)
-        p = self.cls(BASE)
-        with (p / 'new_file').open('wb'):
-            pass
-        st = os.stat(join('new_file'))
-        self.assertEqual(stat.S_IMODE(st.st_mode), 0o666)
-        os.umask(0o022)
-        with (p / 'other_new_file').open('wb'):
-            pass
-        st = os.stat(join('other_new_file'))
-        self.assertEqual(stat.S_IMODE(st.st_mode), 0o644)
-
-    def test_touch_mode(self):
-        old_mask = os.umask(0)
-        self.addCleanup(os.umask, old_mask)
-        p = self.cls(BASE)
-        (p / 'new_file').touch()
-        st = os.stat(join('new_file'))
-        self.assertEqual(stat.S_IMODE(st.st_mode), 0o666)
-        os.umask(0o022)
-        (p / 'other_new_file').touch()
-        st = os.stat(join('other_new_file'))
-        self.assertEqual(stat.S_IMODE(st.st_mode), 0o644)
-        (p / 'masked_new_file').touch(mode=0o750)
-        st = os.stat(join('masked_new_file'))
-        self.assertEqual(stat.S_IMODE(st.st_mode), 0o750)
-
-    @with_symlinks
-    def test_resolve_loop(self):
-        # Loop detection for broken symlinks under POSIX
-        # Loops with relative symlinks
-        os.symlink('linkX/inside', join('linkX'))
-        self._check_symlink_loop(BASE, 'linkX')
-        os.symlink('linkY', join('linkY'))
-        self._check_symlink_loop(BASE, 'linkY')
-        os.symlink('linkZ/../linkZ', join('linkZ'))
-        self._check_symlink_loop(BASE, 'linkZ')
-        # Loops with absolute symlinks
-        os.symlink(join('linkU/inside'), join('linkU'))
-        self._check_symlink_loop(BASE, 'linkU')
-        os.symlink(join('linkV'), join('linkV'))
-        self._check_symlink_loop(BASE, 'linkV')
-        os.symlink(join('linkW/../linkW'), join('linkW'))
-        self._check_symlink_loop(BASE, 'linkW')
-
-    def test_glob(self):
-        P = self.cls
-        p = P(BASE)
-        given = set(p.glob("FILEa"))
-        expect = set() if not support.fs_is_case_insensitive(BASE) else given
-        self.assertEqual(given, expect)
-        self.assertEqual(set(p.glob("FILEa*")), set())
-
-    def test_rglob(self):
-        P = self.cls
-        p = P(BASE, "dirC")
-        given = set(p.rglob("FILEd"))
-        expect = set() if not support.fs_is_case_insensitive(BASE) else given
-        self.assertEqual(given, expect)
-        self.assertEqual(set(p.rglob("FILEd*")), set())
-
-    def test_expanduser(self):
-        P = self.cls
-        support.import_module('pwd')
-        import pwd
-        pwdent = pwd.getpwuid(os.getuid())
-        username = pwdent.pw_name
-        userhome = pwdent.pw_dir.rstrip('/')
-        # find arbitrary different user (if exists)
-        for pwdent in pwd.getpwall():
-            othername = pwdent.pw_name
-            otherhome = pwdent.pw_dir.rstrip('/')
-            if othername != username and otherhome:
-                break
-
-        p1 = P('~/Documents')
-        p2 = P('~' + username + '/Documents')
-        p3 = P('~' + othername + '/Documents')
-        p4 = P('../~' + username + '/Documents')
-        p5 = P('/~' + username + '/Documents')
-        p6 = P('')
-        p7 = P('~fakeuser/Documents')
-
-        with support.EnvironmentVarGuard() as env:
-            env.unset('HOME')
-
-            self.assertEqual(p1.expanduser(), P(userhome) / 'Documents')
-            self.assertEqual(p2.expanduser(), P(userhome) / 'Documents')
-            self.assertEqual(p3.expanduser(), P(otherhome) / 'Documents')
-            self.assertEqual(p4.expanduser(), p4)
-            self.assertEqual(p5.expanduser(), p5)
-            self.assertEqual(p6.expanduser(), p6)
-            self.assertRaises(RuntimeError, p7.expanduser)
-
-            env.set('HOME', '/tmp')
-            self.assertEqual(p1.expanduser(), P('/tmp/Documents'))
-            self.assertEqual(p2.expanduser(), P(userhome) / 'Documents')
-            self.assertEqual(p3.expanduser(), P(otherhome) / 'Documents')
-            self.assertEqual(p4.expanduser(), p4)
-            self.assertEqual(p5.expanduser(), p5)
-            self.assertEqual(p6.expanduser(), p6)
-            self.assertRaises(RuntimeError, p7.expanduser)
-
-
-@only_nt
-class WindowsPathTest(_BasePathTest, unittest.TestCase):
-    cls = pathlib.WindowsPath
-
-    def test_glob(self):
-        P = self.cls
-        p = P(BASE)
-        self.assertEqual(set(p.glob("FILEa")), set([P(BASE, "fileA")]))
-
-    def test_rglob(self):
-        P = self.cls
-        p = P(BASE, "dirC")
-        self.assertEqual(set(p.rglob("FILEd")),
-                         set([P(BASE, "dirC/dirD/fileD")]))
-
-    def test_expanduser(self):
-        P = self.cls
-        with support.EnvironmentVarGuard() as env:
-            env.pop('HOME', None)
-            env.pop('USERPROFILE', None)
-            env.pop('HOMEPATH', None)
-            env.pop('HOMEDRIVE', None)
-            env['USERNAME'] = 'alice'
-
-            # test that the path returns unchanged
-            p1 = P('~/My Documents')
-            p2 = P('~alice/My Documents')
-            p3 = P('~bob/My Documents')
-            p4 = P('/~/My Documents')
-            p5 = P('d:~/My Documents')
-            p6 = P('')
-            self.assertRaises(RuntimeError, p1.expanduser)
-            self.assertRaises(RuntimeError, p2.expanduser)
-            self.assertRaises(RuntimeError, p3.expanduser)
-            self.assertEqual(p4.expanduser(), p4)
-            self.assertEqual(p5.expanduser(), p5)
-            self.assertEqual(p6.expanduser(), p6)
-
-            def check():
-                env.pop('USERNAME', None)
-                self.assertEqual(p1.expanduser(),
-                                 P('C:/Users/alice/My Documents'))
-                self.assertRaises(KeyError, p2.expanduser)
-                env['USERNAME'] = 'alice'
-                self.assertEqual(p2.expanduser(),
-                                 P('C:/Users/alice/My Documents'))
-                self.assertEqual(p3.expanduser(),
-                                 P('C:/Users/bob/My Documents'))
-                self.assertEqual(p4.expanduser(), p4)
-                self.assertEqual(p5.expanduser(), p5)
-                self.assertEqual(p6.expanduser(), p6)
-
-            # test the first lookup key in the env vars
-            env['HOME'] = 'C:\\Users\\alice'
-            check()
-
-            # test that HOMEPATH is available instead
-            env.pop('HOME', None)
-            env['HOMEPATH'] = 'C:\\Users\\alice'
-            check()
-
-            env['HOMEDRIVE'] = 'C:\\'
-            env['HOMEPATH'] = 'Users\\alice'
-            check()
-
-            env.pop('HOMEDRIVE', None)
-            env.pop('HOMEPATH', None)
-            env['USERPROFILE'] = 'C:\\Users\\alice'
-            check()
-
-
-def main():
-    unittest.main(__name__)
-
-
-if __name__ == "__main__":
-    unittest.main()
deleted file mode 100644
--- a/third_party/python/pathlib2/test_pathlib2_with_py2_unicode_literals.py
+++ /dev/null
@@ -1,26 +0,0 @@
-
-import __future__
-import os
-import sys
-import types
-
-
-def compile_source_file(source_file, flags):
-    with open(source_file, "r") as f:
-        source = f.read()
-    return compile(source, os.path.basename(source_file), 'exec', flags)
-
-
-if __name__ == "__main__":
-    # Compile and run test_pathlib.py as if
-    # "from __future__ import unicode_literals" had been added at the top.
-    flags = __future__.CO_FUTURE_UNICODE_LITERALS
-    code = compile_source_file("test_pathlib2.py", flags)
-    mod = types.ModuleType('test_pathlib2')
-    mod.__file__ = "test_pathlib2.py"
-    sys.modules[mod.__name__] = mod
-    # hack six.u() not to try to decode the string
-    import six
-    six.u = lambda s: s
-    eval(code, mod.__dict__)
-    mod.main()