devtools/fix_po_encoding
author Pierre-Yves David <pierre-yves.david@logilab.fr>
Fri, 15 Oct 2010 17:00:09 +0200
branchstable
changeset 6514 f328ec853e18
parent 0 b97547f5f1fa
permissions -rwxr-xr-x
[devtools] Firefox need write access to $HOME Check that you have write acces to the user home before launching Firefox. Firefox need to write stuff in the home directory of the user and will silency crash when unable to do it. We add an assertion with an explicite message to improve crash report in such situation.

#!/usr/bin/python

"""usage: fix-po-encodings [filename...]
change the encoding of the po files passed as arguments to utf-8
"""
import sys
import re
import codecs

def change_encoding(filename, target='UTF-8'):
    fdesc = open(filename)
    data = fdesc.read()
    fdesc.close()
    encoding = find_encoding(data)
    if encoding == target:
        return
    data = fix_encoding(data, target)
    data = unicode(data, encoding)
    fdesc = codecs.open(filename, 'wb', encoding=target)
    fdesc.write(data)
    fdesc.close()

def find_encoding(data):
    regexp = re.compile(r'"Content-Type:.* charset=([a-zA-Z0-9-]+)\\n"', re.M)
    mo = regexp.search(data)
    if mo is None:
        raise ValueError('No encoding declaration')
    return mo.group(1)

def fix_encoding(data, target_encoding):
    regexp = re.compile(r'("Content-Type:.* charset=)(.*)(\\n")', re.M)
    return regexp.sub(r'\1%s\3' % target_encoding, data)
    


for filename in sys.argv[1:]:
    print filename
    change_encoding(filename)