dash/share/qt/extract_strings_qt.py
MarcoFalke 561ec27683 Merge #10781: Python cleanups
78214588d Use for-loop instead of list comprehension (practicalswift)
823979436 Use the variable name _ for unused return values (practicalswift)
2e6080bbf Remove unused variables and/or function calls (practicalswift)
9b94054b7 Avoid reference to undefined name: stderr does not exist, sys.stderr does (practicalswift)
51cb6b822 Use print(...) instead of undefined printf(...) (practicalswift)
25cd520fc Use sys.exit(...) instead of exit(...): exit(...) should not be used in programs (practicalswift)

Pull request description:

  Python cleanups:
  * Avoid reference to undefined name: `stderr` does not exist, `sys.stderr` does
  * Use `print(...)` instead of undefined `printf(...)`
  * Avoid redefinition of variable (`tx`) in list comprehension
  * Remove unused variables and/or function calls
  * Use `sys.exit(...)` instead of `exit(...)`: [`exit(...)` should not be used in programs](https://github.com/bitcoin/bitcoin/pull/10753#discussion_r125935027)

Tree-SHA512: 1238dfbc1d20f7edadea5e5406a589f293065638f6234809f0d5b6ba746dffe3d276bc5884c7af388a6c798c61a8759faaccf57f381225644754c0f61914eb4b
2020-01-02 22:01:29 -06:00

89 lines
2.6 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright (c) 2012-2016 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
'''
Extract _("...") strings for translation and convert to Qt stringdefs so that
they can be picked up by Qt linguist.
'''
from subprocess import Popen, PIPE
import operator
import os
import sys
OUT_CPP="qt/dashstrings.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 = sys.argv[1:]
# xgettext -n --keyword=_ $FILES
XGETTEXT=os.getenv('XGETTEXT', 'xgettext')
if not XGETTEXT:
print('Cannot extract strings: xgettext utility is not installed or not configured.',file=sys.stderr)
print('Please install package "gettext" and re-run \'./configure\'.',file=sys.stderr)
sys.exit(1)
child = Popen([XGETTEXT,'--output=-','-n','--keyword=_'] + files, stdout=PIPE)
(out, err) = child.communicate()
messages = parse_po(out.decode('utf-8'))
f = open(OUT_CPP, 'w')
f.write("""
#include <QtGlobal>
// Automatically generated by extract_strings_qt.py
#ifdef __GNUC__
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif
""")
f.write('static const char UNUSED *dash_strings[] = {\n')
f.write('QT_TRANSLATE_NOOP("dash-core", "%s"),\n' % (os.getenv('PACKAGE_NAME'),))
f.write('QT_TRANSLATE_NOOP("dash-core", "%s"),\n' % (os.getenv('COPYRIGHT_HOLDERS'),))
if os.getenv('COPYRIGHT_HOLDERS_SUBSTITUTION') != os.getenv('PACKAGE_NAME'):
f.write('QT_TRANSLATE_NOOP("dash-core", "%s"),\n' % (os.getenv('COPYRIGHT_HOLDERS_SUBSTITUTION'),))
messages.sort(key=operator.itemgetter(0))
for (msgid, msgstr) in messages:
if msgid != EMPTY:
f.write('QT_TRANSLATE_NOOP("dash-core", %s),\n' % ('\n'.join(msgid)))
f.write('};\n')
f.close()