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# Copyright (c) 2014 Wladimir J. van der Laan
# Distributed under the MIT/X11 software license, see the accompanying
# file COPYING or
Run this script from the root of the repository to update all translations from
It will do the following automatically:
- fetch all translations using the tx tool
- post-process them into valid and committable format
- remove invalid control characters
- remove location tags (makes diffs less noisy)
- auto-add new translations to the build system according to the translation process
- remove 'unfinished' translation items
from __future__ import division, print_function
import subprocess
import re
import sys
import os
# Name of transifex tool
TX = 'tx'
# Name of source language file
SOURCE_LANG = 'bitcoin_en.ts'
# Directory with locale files
LOCALE_DIR = 'src/qt/locale'
def check_at_repository_root():
if not os.path.exists('.git'):
print('No .git directory found')
print('Execute this script at the root of the repository', file=sys.stderr)
def fetch_all_translations():
if[TX, 'pull', '-f']):
print('Error while fetching translations', file=sys.stderr)
def postprocess_translations():
for filename in os.listdir(LOCALE_DIR):
# process only language files, and do not process source language
if not filename.endswith('.ts') or filename == SOURCE_LANG:
filepath = os.path.join(LOCALE_DIR, filename)
with open(filepath, 'rb') as f:
data =
# remove non-allowed control characters
data = re.sub('[\x00-\x09\x0b\x0c\x0e-\x1f]', '', data)
data = data.split('\n')
# strip locations from non-origin translation
# location tags are used to guide translators, they are not necessary for compilation
# TODO: actually process XML instead of relying on Transifex's one-tag-per-line output format
data = [line for line in data if not '<location' in line]
with open(filepath, 'wb') as f:
if __name__ == '__main__':