1 files changed, 159 insertions, 0 deletions
diff --git a/lib/python2.7/os2emxpath.py b/lib/python2.7/os2emxpath.py
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+++ b/lib/python2.7/os2emxpath.py
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+# Module 'os2emxpath' -- common operations on OS/2 pathnames
+"""Common pathname manipulations, OS/2 EMX version.
+
+Instead of importing this module directly, import os and refer to this
+module as os.path.
+"""
+
+import os
+import stat
+from genericpath import *
+from ntpath import (expanduser, expandvars, isabs, islink, splitdrive,
+                    splitext, split, walk)
+
+__all__ = ["normcase","isabs","join","splitdrive","split","splitext",
+           "basename","dirname","commonprefix","getsize","getmtime",
+           "getatime","getctime", "islink","exists","lexists","isdir","isfile",
+           "ismount","walk","expanduser","expandvars","normpath","abspath",
+           "splitunc","curdir","pardir","sep","pathsep","defpath","altsep",
+           "extsep","devnull","realpath","supports_unicode_filenames"]
+
+# strings representing various path-related bits and pieces
+curdir = '.'
+pardir = '..'
+extsep = '.'
+sep = '/'
+altsep = '\\'
+pathsep = ';'
+defpath = '.;C:\\bin'
+devnull = 'nul'
+
+# Normalize the case of a pathname and map slashes to backslashes.
+# Other normalizations (such as optimizing '../' away) are not done
+# (this is done by normpath).
+
+def normcase(s):
+    """Normalize case of pathname.
+
+    Makes all characters lowercase and all altseps into seps."""
+    return s.replace('\\', '/').lower()
+
+
+# Join two (or more) paths.
+
+def join(a, *p):
+    """Join two or more pathname components, inserting sep as needed"""
+    path = a
+    for b in p:
+        if isabs(b):
+            path = b
+        elif path == '' or path[-1:] in '/\\:':
+            path = path + b
+        else:
+            path = path + '/' + b
+    return path
+
+
+# Parse UNC paths
+def splitunc(p):
+    """Split a pathname into UNC mount point and relative path specifiers.
+
+    Return a 2-tuple (unc, rest); either part may be empty.
+    If unc is not empty, it has the form '//host/mount' (or similar
+    using backslashes).  unc+rest is always the input path.
+    Paths containing drive letters never have an UNC part.
+    """
+    if p[1:2] == ':':
+        return '', p # Drive letter present
+    firstTwo = p[0:2]
+    if firstTwo == '/' * 2 or firstTwo == '\\' * 2:
+        # is a UNC path:
+        # vvvvvvvvvvvvvvvvvvvv equivalent to drive letter
+        # \\machine\mountpoint\directories...
+        #           directory ^^^^^^^^^^^^^^^
+        normp = normcase(p)
+        index = normp.find('/', 2)
+        if index == -1:
+            ##raise RuntimeError, 'illegal UNC path: "' + p + '"'
+            return ("", p)
+        index = normp.find('/', index + 1)
+        if index == -1:
+            index = len(p)
+        return p[:index], p[index:]
+    return '', p
+
+
+# Return the tail (basename) part of a path.
+
+def basename(p):
+    """Returns the final component of a pathname"""
+    return split(p)[1]
+
+
+# Return the head (dirname) part of a path.
+
+def dirname(p):
+    """Returns the directory component of a pathname"""
+    return split(p)[0]
+
+
+# alias exists to lexists
+lexists = exists
+
+
+# Is a path a directory?
+
+# Is a path a mount point?  Either a root (with or without drive letter)
+# or an UNC path with at most a / or \ after the mount point.
+
+def ismount(path):
+    """Test whether a path is a mount point (defined as root of drive)"""
+    unc, rest = splitunc(path)
+    if unc:
+        return rest in ("", "/", "\\")
+    p = splitdrive(path)[1]
+    return len(p) == 1 and p[0] in '/\\'
+
+
+# Normalize a path, e.g. A//B, A/./B and A/foo/../B all become A/B.
+
+def normpath(path):
+    """Normalize path, eliminating double slashes, etc."""
+    path = path.replace('\\', '/')
+    prefix, path = splitdrive(path)
+    while path[:1] == '/':
+        prefix = prefix + '/'
+        path = path[1:]
+    comps = path.split('/')
+    i = 0
+    while i < len(comps):
+        if comps[i] == '.':
+            del comps[i]
+        elif comps[i] == '..' and i > 0 and comps[i-1] not in ('', '..'):
+            del comps[i-1:i+1]
+            i = i - 1
+        elif comps[i] == '' and i > 0 and comps[i-1] != '':
+            del comps[i]
+        else:
+            i = i + 1
+    # If the path is now empty, substitute '.'
+    if not prefix and not comps:
+        comps.append('.')
+    return prefix + '/'.join(comps)
+
+
+# Return an absolute path.
+def abspath(path):
+    """Return the absolute version of a path"""
+    if not isabs(path):
+        if isinstance(path, unicode):
+            cwd = os.getcwdu()
+        else:
+            cwd = os.getcwd()
+        path = join(cwd, path)
+    return normpath(path)
+
+# realpath is a no-op on systems without islink support
+realpath = abspath
+
+supports_unicode_filenames = False