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openlp/scripts/translation_utils.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
##########################################################################
# OpenLP - Open Source Lyrics Projection #
# ---------------------------------------------------------------------- #
# Copyright (c) 2008-2019 OpenLP Developers #
# ---------------------------------------------------------------------- #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
##########################################################################
"""
This script is used to maintain the translation files in OpenLP. It downloads
the latest translation files from the Transifex translation server, updates the
local translation files from both the source code and the files from Transifex,
and can also generate the compiled translation files.
Create New Language
-------------------
To create a new language, simply run this script with the ``-c`` command line
option::
@:~$ ./translation_utils.py -c
Update Translation Files
------------------------
The best way to update the translations is to download the files from Transifex,
and then update the local files using both the downloaded files and the source.
This is done easily via the ``-d``, ``-p`` and ``-u`` options::
@:~$ ./translation_utils.py -dpu
"""
import base64
import glob
import json
import os
import sys
import urllib.error
import urllib.parse
import urllib.request
import webbrowser
from argparse import ArgumentParser
from getpass import getpass
from lxml import objectify
from PyQt5 import QtCore
SERVER_URL = 'http://www.transifex.com/api/2/project/openlp/resource/openlp-26x/'
IGNORED_PATHS = ['scripts', 'tests']
IGNORED_FILES = ['setup.py']
verbose_mode = False
quiet_mode = False
username = ''
password = ''
class Command(object):
"""
Provide an enumeration of commands.
"""
Download = 1
Create = 2
Prepare = 3
Update = 4
Generate = 5
Check = 6
class CommandStack(object):
"""
This class provides an iterable stack.
"""
def __init__(self):
self.current_index = 0
self.data = []
def __len__(self):
return len(self.data)
def __getitem__(self, index):
if index not in self.data:
return None
elif self.data[index].get('arguments'):
return self.data[index]['command'], self.data[index]['arguments']
else:
return self.data[index]['command']
def __iter__(self):
return self
def __next__(self):
if self.current_index == len(self.data):
raise StopIteration
else:
current_item = self.data[self.current_index]['command']
self.current_index += 1
return current_item
def append(self, command, **kwargs):
data = {'command': command}
if 'arguments' in kwargs:
data['arguments'] = kwargs['arguments']
self.data.append(data)
def reset(self):
self.current_index = 0
def arguments(self):
if self.data[self.current_index - 1].get('arguments'):
return self.data[self.current_index - 1]['arguments']
else:
return []
def __repr__(self):
results = []
for item in self.data:
if item.get('arguments'):
results.append(str((item['command'], item['arguments'])))
else:
results.append(str((item['command'], )))
return '[%s]' % ', '.join(results)
def print_quiet(text, linefeed=True):
"""
This method checks to see if we are in quiet mode, and if not prints ``text`` out.
:param text: The text to print.
:param linefeed: Linefeed required
"""
global quiet_mode
if not quiet_mode:
if linefeed:
print(text)
else:
print(text, end=' ')
def print_verbose(text):
"""
This method checks to see if we are in verbose mode, and if so prints ``text`` out.
:param text: The text to print.
"""
global verbose_mode, quiet_mode
if not quiet_mode and verbose_mode:
print(' %s' % text)
def run(command):
"""
This method runs an external application.
:param command: The command to run.
"""
print_verbose(command)
process = QtCore.QProcess()
process.start(command)
while process.waitForReadyRead():
print_verbose('ReadyRead: %s' % process.readAll())
print_verbose('Error(s):\n%s' % process.readAllStandardError())
print_verbose('Output:\n%s' % process.readAllStandardOutput())
def download_translations():
"""
This method downloads the translation files from the Pootle server.
**Note:** URLs and headers need to remain strings, not unicode.
"""
global username, password
print_quiet('Download translation files from Transifex')
if not username:
username = input(' Transifex username: ')
if not password:
password = getpass(' Transifex password: ')
# First get the list of languages
base64string = base64.encodebytes(('%s:%s' % (username, password)).encode())[:-1]
auth_header = 'Basic %s' % base64string.decode()
request = urllib.request.Request(SERVER_URL + '?details')
request.add_header('Authorization', auth_header)
print_verbose('Downloading list of languages from: %s' % SERVER_URL)
try:
json_response = urllib.request.urlopen(request)
except urllib.error.HTTPError:
print_quiet('Username or password incorrect.')
return False
json_dict = json.loads(json_response.read().decode())
languages = [lang['code'] for lang in json_dict['available_languages']]
for language in languages:
lang_url = SERVER_URL + 'translation/%s/?file' % language
request = urllib.request.Request(lang_url)
request.add_header('Authorization', auth_header)
filename = os.path.join(os.path.abspath('..'), 'resources', 'i18n', language + '.ts')
print_verbose('Get Translation File: %s' % filename)
response = urllib.request.urlopen(request)
fd = open(filename, 'wb')
fd.write(response.read())
fd.close()
print_quiet(' Done.')
return True
def prepare_project():
"""
This method creates the project file needed to update the translation files and compile them into .qm files.
"""
print_quiet('Generating the openlp.pro file')
lines = []
start_dir = os.path.abspath('..')
start_dir = start_dir + os.sep
print_verbose('Starting directory: %s' % start_dir)
for root, dirs, files in os.walk(start_dir):
for file in files:
path = root.replace(start_dir, '').replace('\\', '/')
if file.startswith('hook-') or file.startswith('test_'):
continue
ignore = False
for ignored_path in IGNORED_PATHS:
if path.startswith(ignored_path):
ignore = True
break
if ignore:
continue
ignore = False
for ignored_file in IGNORED_FILES:
if file == ignored_file:
ignore = True
break
if ignore:
continue
if file.endswith('.py') or file.endswith('.pyw'):
if path:
line = '%s/%s' % (path, file)
else:
line = file
print_verbose('Parsing "%s"' % line)
lines.append('SOURCES += %s' % line)
lines.append('TRANSLATIONS += resources/i18n/en.ts')
lines.sort()
file = open(os.path.join(start_dir, 'openlp.pro'), 'w')
file.write('\n'.join(lines))
file.close()
print_quiet(' Done.')
def update_translations():
print_quiet('Update the translation files')
if not os.path.exists(os.path.join(os.path.abspath('..'), 'openlp.pro')):
print('You have not generated a project file yet, please run this script with the -p option.')
return
else:
os.chdir(os.path.abspath('..'))
run('pylupdate5 -verbose -noobsolete openlp.pro')
os.chdir(os.path.abspath('scripts'))
def generate_binaries():
print_quiet('Generate the related *.qm files')
if not os.path.exists(os.path.join(os.path.abspath('..'), 'openlp.pro')):
print('You have not generated a project file yet, please run this script with the -p option. It is also ' +
'recommended that you this script with the -u option to update the translation files as well.')
return
else:
os.chdir(os.path.abspath('..'))
run('lrelease openlp.pro')
print_quiet(' Done.')
def create_translation():
"""
This method opens a browser to the OpenLP project page at Transifex so
that the user can request a new language.
"""
print_quiet('Please request a new language at the OpenLP project on Transifex.')
webbrowser.open('https://www.transifex.net/projects/p/openlp/resource/ents/')
print_quiet('Opening browser to OpenLP project...')
def check_format_strings():
"""
This method runs through the ts-files and looks for mismatches between format strings in the original text
and in the translations.
"""
is_ok = True
path = os.path.join(os.path.abspath('..'), 'resources', 'i18n', '*.ts')
file_list = glob.glob(path)
for filename in file_list:
print_quiet('Checking %s' % filename)
file = open(filename, 'rb')
tree = objectify.parse(file)
root = tree.getroot()
for tag in root.iter('message'):
location = tag.location.get('filename')
line = tag.location.get('line')
org_text = tag.source.text
translation = tag.translation.text
if not translation:
for num in tag.iter('numerusform'):
print_verbose('parsed numerusform: location: %s, source: %s, translation: %s' % (
location, org_text, num.text))
if num and org_text.count('%') != num.text.count('%'):
is_ok = False
print_quiet(
'ERROR: Translation from %s at line %s has a mismatch of format input:\n%s\n%s\n' % (
location, line, org_text, num.text))
else:
print_verbose('parsed: location: %s, source: %s, translation: %s' % (location, org_text, translation))
if org_text.count('%') != translation.count('%'):
is_ok = False
print_quiet('ERROR: Translation from %s at line %s has a mismatch of format input:\n%s\n%s\n' % (
location, line, org_text, translation))
return is_ok
def process_stack(command_stack):
"""
This method looks at the commands in the command stack, and processes them
in the order they are in the stack.
``command_stack``
The command stack to process.
"""
is_success = True
if command_stack:
print_quiet('Processing %d commands...' % len(command_stack))
for command in command_stack:
print_quiet('%d.' % (command_stack.current_index), False)
if command == Command.Download:
if not download_translations():
return
elif command == Command.Prepare:
prepare_project()
elif command == Command.Update:
update_translations()
elif command == Command.Generate:
generate_binaries()
elif command == Command.Create:
create_translation()
elif command == Command.Check:
is_success = check_format_strings()
print_quiet('Finished processing commands.')
else:
print_quiet('No commands to process.')
return is_success
def main():
global verbose_mode, quiet_mode, username, password
# Set up command line options.
usage = '%(prog)s [options]\nOptions are parsed in the order they are ' + \
'listed below. If no options are given, "-dpug" will be used.\n\n' + \
'This script is used to manage OpenLP\'s translation files.'
parser = ArgumentParser(usage=usage)
parser.add_argument('-U', '--username', dest='username', metavar='USERNAME',
help='Transifex username, used for authentication')
parser.add_argument('-P', '--password', dest='password', metavar='PASSWORD',
help='Transifex password, used for authentication')
parser.add_argument('-d', '--download-ts', dest='download',
action='store_true', help='download language files from Transifex')
parser.add_argument('-c', '--create', dest='create', action='store_true',
help='go to Transifex to request a new translation file')
parser.add_argument('-p', '--prepare', dest='prepare', action='store_true',
help='generate a project file, used to update the translations')
parser.add_argument('-u', '--update', action='store_true', dest='update',
help='update translation files (needs a project file)')
parser.add_argument('-g', '--generate', dest='generate', action='store_true',
help='compile .ts files into .qm files')
parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
help='show extra information while processing translations')
parser.add_argument('-q', '--quiet', dest='quiet', action='store_true',
help='suppress all output other than errors')
parser.add_argument('-f', '--check-format-strings', dest='check', action='store_true',
help='check that format strings are matching in translations')
args = parser.parse_args()
# Create and populate the command stack
command_stack = CommandStack()
if args.download:
command_stack.append(Command.Download)
if args.create:
command_stack.append(Command.Create, arguments=[args.create])
if args.prepare:
command_stack.append(Command.Prepare)
if args.update:
command_stack.append(Command.Update)
if args.generate:
command_stack.append(Command.Generate)
if args.check:
command_stack.append(Command.Check)
verbose_mode = args.verbose
quiet_mode = args.quiet
if args.username:
username = args.username
if args.password:
password = args.password
if not command_stack:
command_stack.append(Command.Download)
command_stack.append(Command.Prepare)
command_stack.append(Command.Update)
command_stack.append(Command.Generate)
# Process the commands
return process_stack(command_stack)
if __name__ == '__main__':
if os.path.split(os.path.abspath('.'))[1] != 'scripts':
print('You need to run this script from the scripts directory.')
else:
if not main():
sys.exit(1)
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