Tools/i18n/makelocalealias.py

   1 #!/usr/bin/env python
   2 """
   3     Convert the X11 locale.alias file into a mapping dictionary suitable
   4     for locale.py.
   5
   6     Written by Marc-Andre Lemburg <mal@genix.com>, 2004-12-10.
   7
   8 """
   9 import locale
  10
  11 # Location of the alias file
  12 LOCALE_ALIAS = '/usr/lib/X11/locale/locale.alias'
  13
  14 def parse(filename):
  15
  16     f = open(filename)
  17     lines = f.read().splitlines()
  18     data = {}
  19     for line in lines:
  20         line = line.strip()
  21         if not line:
  22             continue
  23         if line[:1] == '#':
  24             continue
  25         locale, alias = line.split()
  26         # Strip ':'
  27         if locale[-1] == ':':
  28             locale = locale[:-1]
  29         # Lower-case locale
  30         locale = locale.lower()
  31         # Ignore one letter locale mappings (except for 'c')
  32         if len(locale) == 1 and locale != 'c':
  33             continue
  34         # Normalize encoding, if given
  35         if '.' in locale:
  36             lang, encoding = locale.split('.')[:2]
  37             encoding = encoding.replace('-', '')
  38             encoding = encoding.replace('_', '')
  39             locale = lang + '.' + encoding
  40             if encoding.lower() == 'utf8':
  41                 # Ignore UTF-8 mappings - this encoding should be
  42                 # available for all locales
  43                 continue
  44         data[locale] = alias
  45     return data
  46
  47 def pprint(data):
  48
  49     items = data.items()
  50     items.sort()
  51     for k,v in items:
  52         print '    %-40s%r,' % ('%r:' % k, v)
  53
  54 def print_differences(data, olddata):
  55
  56     items = olddata.items()
  57     items.sort()
  58     for k, v in items:
  59         if not data.has_key(k):
  60             print '#    removed %r' % k
  61         elif olddata[k] != data[k]:
  62             print '#    updated %r -> %r to %r' % \
  63                   (k, olddata[k], data[k])
  64         # Additions are not mentioned
  65
  66 if __name__ == '__main__':
  67     data = locale.locale_alias.copy()
  68     data.update(parse(LOCALE_ALIAS))
  69     print_differences(data, locale.locale_alias)
  70     print
  71     print 'locale_alias = {'
  72     pprint(data)
  73     print '}'