#!/usr/bin/python ''' Extract _("...") strings for translation and convert to Qt4 stringdefs so that they can be picked up by Qt linguist. ''' from subprocess import Popen, PIPE import glob OUT_CPP="src/qt/bitcoinstrings.cpp" EMPTY=['""'] def parse_po(text): """ Parse 'po' format produced by xgettext. Return a list of (msgid,msgstr) tuples. """ messages = [] msgid = [] msgstr = [] in_msgid = False in_msgstr = False for line in text.split('\n'): line = line.rstrip('\r') if line.startswith('msgid '): if in_msgstr: messages.append((msgid, msgstr)) in_msgstr = False # message start in_msgid = True msgid = [line[6:]] elif line.startswith('msgstr '): in_msgid = False in_msgstr = True msgstr = [line[7:]] elif line.startswith('"'): if in_msgid: msgid.append(line) if in_msgstr: msgstr.append(line) if in_msgstr: messages.append((msgid, msgstr)) return messages files = glob.glob('src/*.cpp') + glob.glob('src/*.h') # xgettext -n --keyword=_ $FILES child = Popen(['xgettext','--output=-','-n','--keyword=_'] + files, stdout=PIPE) (out, err) = child.communicate() messages = parse_po(out) f = open(OUT_CPP, 'w') f.write("""#include <QtGlobal> // Automatically generated by extract_strings.py #ifdef __GNUC__ #define UNUSED __attribute__((unused)) #else #define UNUSED #endif """) f.write('static const char UNUSED *bitcoin_strings[] = {') for (msgid, msgstr) in messages: if msgid != EMPTY: f.write('QT_TRANSLATE_NOOP("bitcoin-core", %s),\n' % ('\n'.join(msgid))) f.write('};') f.close()