devtools/fix_po_encoding
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Tue, 01 Dec 2009 08:43:37 +0100
branchstable
changeset 3953 19aefd78f61b
parent 0 b97547f5f1fa
permissions -rwxr-xr-x
[forms] deprecate form_render(**kwargs) in favor of render(formvalues=None, rendervalues=None, renderer=None) to fix a pitfall in form_render prototype: there is no way to distinguish between arguments that should be given to build_context from arguments that should be given to the renderer. This was problematic for instance with inlined form where a 'title' argument is given for the renderer, but is also used as default value for field whose name is 'title'...

#!/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)