PO Msg Converter

msg2po.py

import sys
from os import path
import re
import polib

def msg2po(msgfile, pofile):
    with open(msgfile, 'rb') as f:
        messages = f.read()

    po = polib.POFile()

    p = re.compile(r'\["([^"]*)"\]="([^"]*)"')

    for m in p.finditer(messages):
        g = m.groups()
    
        po.append(polib.POEntry(
            msgctxt=g[0].decode('ascii'),
            msgid=g[1].decode('utf-8')
        ))

    po.save(pofile)

if __name__ == '__main__':
    if len(sys.argv) <= 1:
        print 'Usage: %s msgfile [pofile]' % path.basename(sys.argv[0])
    else:
        msgfile = sys.argv[1]
        pofile = None
        if len(sys.argv) > 2: pofile = sys.argv[2]
        if pofile == None: pofile = path.splitext(path.basename(msgfile))[0] + '.pot'
        msg2po(msgfile, pofile)

po2msg.py

import sys
from os import path
import polib

def po2msg(pofile, msgfile):
    po = polib.pofile(pofile)

    with open(msgfile, 'wb') as f:
        f.write('dictionary=(\n')
        for entry in po:
            if entry.msgctxt and not entry.obsolete:
                value = entry.msgstr or entry.msgid
                f.write((u'    ["' + entry.msgctxt + u'"]="' + value + u'"\n').encode('utf-8'))
        f.write(')\n')

if __name__ == '__main__':
    if len(sys.argv) <= 1:
        print 'Usage: %s pofile [msgfile]' % path.basename(sys.argv[0])
    else:
        pofile = sys.argv[1]
        msgfile = None
        if len(sys.argv) > 2: msgfile = sys.argv[2]
        if msgfile == None: msgfile = path.splitext(path.basename(pofile))[0]
        po2msg(pofile, msgfile)