Tools/scripts/svneol.py

   1 #! /usr/bin/env python
   2
   3 """
   4 SVN helper script.
   5
   6 Try to set the svn:eol-style property to "native" on every .py, .txt, .c and
   7 .h file in the directory tree rooted at the current directory.
   8
   9 Files with the svn:eol-style property already set (to anything) are skipped.
  10
  11 svn will itself refuse to set this property on a file that's not under SVN
  12 control, or that has a binary mime-type property set.  This script inherits
  13 that behavior, and passes on whatever warning message the failing "svn
  14 propset" command produces.
  15
  16 In the Python project, it's safe to invoke this script from the root of
  17 a checkout.
  18
  19 No output is produced for files that are ignored.  For a file that gets
  20 svn:eol-style set, output looks like:
  21
  22     property 'svn:eol-style' set on 'Lib\ctypes\__init__.py'
  23
  24 For a file not under version control:
  25
  26     svn: warning: 'patch-finalizer.txt' is not under version control
  27
  28 and for a file with a binary mime-type property:
  29
  30     svn: File 'Lib\test\test_pep263.py' has binary mime type property
  31 """
  32
  33 import re
  34 import os
  35
  36 def propfiles(root, fn):
  37     default = os.path.join(root, ".svn", "props", fn+".svn-work")
  38     try:
  39         format = int(open(os.path.join(root, ".svn", "format")).read().strip())
  40     except IOError:
  41         return []
  42     if format in (8, 9):
  43         # In version 8 and 9, committed props are stored in prop-base, local
  44         # modifications in props
  45         return [os.path.join(root, ".svn", "prop-base", fn+".svn-base"),
  46                 os.path.join(root, ".svn", "props", fn+".svn-work")]
  47     raise ValueError, "Unknown repository format"
  48
  49 def proplist(root, fn):
  50     "Return a list of property names for file fn in directory root"
  51     result = []
  52     for path in propfiles(root, fn):
  53         try:
  54             f = open(path)
  55         except IOError:
  56             # no properties file: not under version control,
  57             # or no properties set
  58             continue
  59         while 1:
  60             # key-value pairs, of the form
  61             # K <length>
  62             # <keyname>NL
  63             # V length
  64             # <value>NL
  65             # END
  66             line = f.readline()
  67             if line.startswith("END"):
  68                 break
  69             assert line.startswith("K ")
  70             L = int(line.split()[1])
  71             key = f.read(L)
  72             result.append(key)
  73             f.readline()
  74             line = f.readline()
  75             assert line.startswith("V ")
  76             L = int(line.split()[1])
  77             value = f.read(L)
  78             f.readline()
  79         f.close()
  80     return result
  81
  82 possible_text_file = re.compile(r"\.([hc]|py|txt|sln|vcproj)$").search
  83
  84 for root, dirs, files in os.walk('.'):
  85     if '.svn' in dirs:
  86         dirs.remove('.svn')
  87     for fn in files:
  88         if possible_text_file(fn):
  89             if 'svn:eol-style' not in proplist(root, fn):
  90                 path = os.path.join(root, fn)
  91                 os.system('svn propset svn:eol-style native "%s"' % path)