/usr/share/pyshared/sugar/activity/i18n.py is in python-sugar-toolkit-0.90 0.90.2-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | # Copyright (C) 2010 One Laptop Per Child
#
# Author: Sayamindu Dasgupta <sayamindu@laptop.org>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import gconf
import locale
import os
import struct
import sys
import dateutil.parser
import time
_MO_BIG_ENDIAN = 0xde120495
_MO_LITTLE_ENDIAN = 0x950412de
def _read_bin(handle, format_string, byte_count):
read_bytes = handle.read(byte_count)
return_value = struct.unpack(format_string, read_bytes)
if len(return_value) == 1:
return return_value[0]
else:
return return_value
def _extract_header(file_path):
header = ''
handle = open(file_path, 'rb')
magic_number = _read_bin(handle, '<I', 4)
if magic_number == _MO_BIG_ENDIAN:
format_string = '>II'
elif magic_number == _MO_LITTLE_ENDIAN:
format_string = '<II'
else:
raise IOError('File does not seem to be a valid MO file')
version_, num_of_strings = _read_bin(handle, format_string, 8)
msgids_hash_offset, msgstrs_hash_offset = _read_bin(handle, \
format_string, 8)
handle.seek(msgids_hash_offset)
msgids_index = []
for i in range(num_of_strings):
msgids_index.append(_read_bin(handle, format_string, 8))
handle.seek(msgstrs_hash_offset)
msgstrs_index = []
for i in range(num_of_strings):
msgstrs_index.append(_read_bin(handle, format_string, 8))
for i in range(num_of_strings):
handle.seek(msgids_index[i][1])
msgid = handle.read(msgids_index[i][0])
if msgid == '':
handle.seek(msgstrs_index[i][1])
msgstr = handle.read(msgstrs_index[i][0])
header = msgstr
break
else:
continue
handle.close()
return header
def _extract_modification_time(file_path):
header = _extract_header(file_path)
items = header.split('\n')
for item in items:
if item.startswith('PO-Revision-Date:'):
time_str = item.split(': ')[1]
parsed_time = dateutil.parser.parse(time_str)
return time.mktime(parsed_time.timetuple())
raise ValueError('Could not find a revision date')
def get_locale_path(bundle_id):
""" Returns the locale path, which is the directory where the preferred
MO file is located.
The preferred MO file is the one with the latest translation.
@type bundle_id: string
@param bundle_id: The bundle id of the activity in question
@rtype: string
@return: the preferred locale path
"""
# Note: We pre-assign weights to the directories so that if no translations
# exist, the appropriate fallbacks (eg: bn for bn_BD) can be loaded
# The directory with the highest weight is returned, and if a MO file is
# found, the weight of the directory is set to the MO's modification time
# (as described in the MO header, and _not_ the filesystem mtime)
candidate_dirs = {}
if 'SUGAR_LOCALEDIR' in os.environ:
candidate_dirs[os.environ['SUGAR_LOCALEDIR']] = 2
gconf_client = gconf.client_get_default()
package_dir = gconf_client.get_string("/desktop/sugar/i18n/langpackdir")
if package_dir is not None and package_dir is not '':
candidate_dirs[package_dir] = 1
candidate_dirs[os.path.join(sys.prefix, 'share', 'locale')] = 0
for candidate_dir in candidate_dirs.keys():
if os.path.exists(candidate_dir):
full_path = os.path.join(candidate_dir, \
locale.getdefaultlocale()[0], 'LC_MESSAGES', \
bundle_id + '.mo')
if os.path.exists(full_path):
try:
candidate_dirs[candidate_dir] = \
_extract_modification_time(full_path)
except (IOError, ValueError):
# The mo file is damaged or has not been initialized
# Set lowest priority
candidate_dirs[candidate_dir] = -1
available_paths = sorted(candidate_dirs.iteritems(), key=lambda (k, v): \
(v, k), reverse=True)
preferred_path = available_paths[0][0]
return preferred_path
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