Source Code for Module flumotion.common.python

 1  # -*- Mode: Python; test-case-name: flumotion.test.test_config -*- 
 2  # vi:si:et:sw=4:sts=4:ts=4 
 3  # 
 4  # Flumotion - a streaming media server 
 5  # Copyright (C) 2004,2005,2006,2007 Fluendo, S.L. (www.fluendo.com). 
 6  # All rights reserved. 
 7   
 8  # This file may be distributed and/or modified under the terms of 
 9  # the GNU General Public License version 2 as published by 
10  # the Free Software Foundation. 
11  # This file is distributed without any warranty; without even the implied 
12  # warranty of merchantability or fitness for a particular purpose. 
13  # See "LICENSE.GPL" in the source distribution for more information. 
14   
15  # Licensees having purchased or holding a valid Flumotion Advanced 
16  # Streaming Server license may use this file in accordance with the 
17  # Flumotion Advanced Streaming Server Commercial License Agreement. 
18  # See "LICENSE.Flumotion" in the source distribution for more information. 
19   
20  # Headers in this file shall remain intact. 
21   
22  """ 
23  forward compatibility with future python versions 
24  """ 
25   
26  import sys 
27   
28  __version__ = "$Rev: 6991 $" 
29   
30  # we're possibly redefining some builtins, so don't warn 
31  __pychecker__ = 'no-shadowbuiltin' 
32   
33  # sorted() was introduced in 2.4 
34  if sys.version_info[:2] < (2, 4): 
35 -    def sorted(seq, reverse=False): 
36          seq = seq[:] 
37          seq.sort() 
38          if reversed: 
39              seq = seq[::-1] 
40          return seq 
41  else: 
42      sorted = sorted 
43   
44  # any() was introduced in 2.5 
45  if sys.version_info[:2] < (2, 5): 
46 -    def any(seq): 
47          for item in seq: 
48              if item: 
49                  return True 
50          return False 
51  else: 
52      any = any 
53   
54  # all() was introduced in 2.5 
55  if sys.version_info[:2] < (2, 5): 
56 -    def all(seq): 
57          for item in seq: 
58              if not item: 
59                  return False 
60          return True 
61  else: 
62      all = all 
63   
64   
65  # python2.4's os.makedirs() lacks EEXIST checks, so here's almost a 
66  # literal copy from the python2.5's version of os module 
67  if sys.version_info[:2] < (2, 5): 
68      import os.path as path 
69      from os import mkdir, curdir 
70      from errno import EEXIST 
71   
72 -    def makedirs(name, mode=0777): 
73          head, tail = path.split(name) 
74          if not tail: 
75              head, tail = path.split(head) 
76          if head and tail and not path.exists(head): 
77              try: 
78                  makedirs(head, mode) 
79              except OSError, e: 
80                  # be happy if someone already created the path 
81                  if e.errno != EEXIST: 
82                      raise 
83              if tail == curdir: # xxx/newdir/. exists if xxx/newdir exists 
84                  return 
85          mkdir(name, mode) 
86  else: 
87      from os import makedirs 
88