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/Tools/i18n/makelocalealias.py

http://unladen-swallow.googlecode.com/
Python | 73 lines | 55 code | 4 blank | 14 comment | 11 complexity | 9b64e56bead60b56c142a2434249808a MD5 | raw file
 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"""
 9import locale
10
11# Location of the alias file
12LOCALE_ALIAS = '/usr/lib/X11/locale/locale.alias'
13
14def 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
47def pprint(data):
48
49    items = data.items()
50    items.sort()
51    for k,v in items:
52        print '    %-40s%r,' % ('%r:' % k, v)
53
54def 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
66if __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 '}'