change_data.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
#  Convert data in format [month day, year]
#  to BR format [dia de [mes] de [ano]].
#  Probably useless to any people if not me
#  
#  Author: Kanazuchi <contato at kanazcuhi.com>
#  Yeah, i have nerve to put my name in this.
#

import re
import sys


months = {
    'April': 'Abril',
    'August': 'Agosto',
    'December': 'Dezembro',
    'February': 'Fevereiro',
    'January': 'Janeiro',
    'July': 'Julho',
    'June': 'Junho',
    'March': 'Março',
    'May': 'Maio',
    'November': 'Novembro',
    'October': 'Outubro',
    'September': 'Setembro'}

pofile = open(sys.argv[1], 'r').read().split("\n")
pattern = r"(.*)(?=({}))(.*)(\b[0-9]+,)(.*)([1|2][9|0][0-9][0-9])(.*)"
data = re.compile(pattern.format("|".join(list(months.keys()))), re.I)

for i, x in enumerate(pofile):
    if bool(data.match(x)):
        month = re.findall(r'({})'.format("|".join(months)), x)[0]
        pofile[i+1] = 'msgstr "{}"'.format(
            re.sub(r'{}'.format("|".join(list(months.keys()))),
                   months[month],
                   data.subn(r'\4\3de \6', x)[0].replace(',', ' de ')))

with open('newpo.po', 'w') as np:
    np.write("\n".join(pofile))