AppPkg/Applications/Python/Python-2.7.10: Initial Checkin part 4/5.

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.10 / Lib / genericpath.py

diff --git a/AppPkg/Applications/Python/Python-2.7.10/Lib/genericpath.py b/AppPkg/Applications/Python/Python-2.7.10/Lib/genericpath.py
new file mode 100644 (file)
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+++ b/AppPkg/Applications/Python/Python-2.7.10/Lib/genericpath.py
@@ -0,0 +1,113 @@
+"""\r
+Path operations common to more than one OS\r
+Do not use directly.  The OS specific modules import the appropriate\r
+functions from this module themselves.\r
+"""\r
+import os\r
+import stat\r
+\r
+__all__ = ['commonprefix', 'exists', 'getatime', 'getctime', 'getmtime',\r
+           'getsize', 'isdir', 'isfile']\r
+\r
+\r
+try:\r
+    _unicode = unicode\r
+except NameError:\r
+    # If Python is built without Unicode support, the unicode type\r
+    # will not exist. Fake one.\r
+    class _unicode(object):\r
+        pass\r
+\r
+# Does a path exist?\r
+# This is false for dangling symbolic links on systems that support them.\r
+def exists(path):\r
+    """Test whether a path exists.  Returns False for broken symbolic links"""\r
+    try:\r
+        os.stat(path)\r
+    except os.error:\r
+        return False\r
+    return True\r
+\r
+\r
+# This follows symbolic links, so both islink() and isdir() can be true\r
+# for the same path on systems that support symlinks\r
+def isfile(path):\r
+    """Test whether a path is a regular file"""\r
+    try:\r
+        st = os.stat(path)\r
+    except os.error:\r
+        return False\r
+    return stat.S_ISREG(st.st_mode)\r
+\r
+\r
+# Is a path a directory?\r
+# This follows symbolic links, so both islink() and isdir()\r
+# can be true for the same path on systems that support symlinks\r
+def isdir(s):\r
+    """Return true if the pathname refers to an existing directory."""\r
+    try:\r
+        st = os.stat(s)\r
+    except os.error:\r
+        return False\r
+    return stat.S_ISDIR(st.st_mode)\r
+\r
+\r
+def getsize(filename):\r
+    """Return the size of a file, reported by os.stat()."""\r
+    return os.stat(filename).st_size\r
+\r
+\r
+def getmtime(filename):\r
+    """Return the last modification time of a file, reported by os.stat()."""\r
+    return os.stat(filename).st_mtime\r
+\r
+\r
+def getatime(filename):\r
+    """Return the last access time of a file, reported by os.stat()."""\r
+    return os.stat(filename).st_atime\r
+\r
+\r
+def getctime(filename):\r
+    """Return the metadata change time of a file, reported by os.stat()."""\r
+    return os.stat(filename).st_ctime\r
+\r
+\r
+# Return the longest prefix of all list elements.\r
+def commonprefix(m):\r
+    "Given a list of pathnames, returns the longest common leading component"\r
+    if not m: return ''\r
+    s1 = min(m)\r
+    s2 = max(m)\r
+    for i, c in enumerate(s1):\r
+        if c != s2[i]:\r
+            return s1[:i]\r
+    return s1\r
+\r
+# Split a path in root and extension.\r
+# The extension is everything starting at the last dot in the last\r
+# pathname component; the root is everything before that.\r
+# It is always true that root + ext == p.\r
+\r
+# Generic implementation of splitext, to be parametrized with\r
+# the separators\r
+def _splitext(p, sep, altsep, extsep):\r
+    """Split the extension from a pathname.\r
+\r
+    Extension is everything from the last dot to the end, ignoring\r
+    leading dots.  Returns "(root, ext)"; ext may be empty."""\r
+\r
+    sepIndex = p.rfind(sep)\r
+    if altsep:\r
+        altsepIndex = p.rfind(altsep)\r
+        sepIndex = max(sepIndex, altsepIndex)\r
+\r
+    dotIndex = p.rfind(extsep)\r
+    if dotIndex > sepIndex:\r
+        # skip all leading dots\r
+        filenameIndex = sepIndex + 1\r
+        while filenameIndex < dotIndex:\r
+            if p[filenameIndex] != extsep:\r
+                return p[:dotIndex], p[dotIndex:]\r
+            filenameIndex += 1\r
+\r
+    return p, ''\r