-"""\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
-# 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
- st = 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 ono 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
- n = min(len(s1), len(s2))\r
- for i in xrange(n):\r
- if s1[i] != s2[i]:\r
- return s1[:i]\r
- return s1[:n]\r
+"""
+Path operations common to more than one OS
+Do not use directly. The OS specific modules import the appropriate
+functions from this module themselves.
+"""
+import os
+import stat
+
+__all__ = ['commonprefix', 'exists', 'getatime', 'getctime', 'getmtime',
+ 'getsize', 'isdir', 'isfile']
+
+
+# Does a path exist?
+# This is false for dangling symbolic links on systems that support them.
+def exists(path):
+ """Test whether a path exists. Returns False for broken symbolic links"""
+ try:
+ st = os.stat(path)
+ except os.error:
+ return False
+ return True
+
+
+# This follows symbolic links, so both islink() and isdir() can be true
+# for the same path ono systems that support symlinks
+def isfile(path):
+ """Test whether a path is a regular file"""
+ try:
+ st = os.stat(path)
+ except os.error:
+ return False
+ return stat.S_ISREG(st.st_mode)
+
+
+# Is a path a directory?
+# This follows symbolic links, so both islink() and isdir()
+# can be true for the same path on systems that support symlinks
+def isdir(s):
+ """Return true if the pathname refers to an existing directory."""
+ try:
+ st = os.stat(s)
+ except os.error:
+ return False
+ return stat.S_ISDIR(st.st_mode)
+
+
+def getsize(filename):
+ """Return the size of a file, reported by os.stat()."""
+ return os.stat(filename).st_size
+
+
+def getmtime(filename):
+ """Return the last modification time of a file, reported by os.stat()."""
+ return os.stat(filename).st_mtime
+
+
+def getatime(filename):
+ """Return the last access time of a file, reported by os.stat()."""
+ return os.stat(filename).st_atime
+
+
+def getctime(filename):
+ """Return the metadata change time of a file, reported by os.stat()."""
+ return os.stat(filename).st_ctime
+
+
+# Return the longest prefix of all list elements.
+def commonprefix(m):
+ "Given a list of pathnames, returns the longest common leading component"
+ if not m: return ''
+ s1 = min(m)
+ s2 = max(m)
+ n = min(len(s1), len(s2))
+ for i in xrange(n):
+ if s1[i] != s2[i]:
+ return s1[:i]
+ return s1[:n]