1260 lines
51 KiB
Python
1260 lines
51 KiB
Python
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# -*- coding: utf-8 -*-
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"""
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babel.messages.frontend
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~~~~~~~~~~~~~~~~~~~~~~~
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Frontends for the message extraction functionality.
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:copyright: (c) 2013 by the Babel Team.
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:license: BSD, see LICENSE for more details.
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"""
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try:
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from ConfigParser import RawConfigParser
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except ImportError:
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from configparser import RawConfigParser
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from datetime import datetime
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from distutils import log
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from distutils.cmd import Command
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from distutils.errors import DistutilsOptionError, DistutilsSetupError
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from locale import getpreferredencoding
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import logging
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from optparse import OptionParser
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import os
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import re
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import shutil
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import sys
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import tempfile
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from babel import __version__ as VERSION
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from babel import Locale, localedata
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from babel.core import UnknownLocaleError
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from babel.messages.catalog import Catalog
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from babel.messages.extract import extract_from_dir, DEFAULT_KEYWORDS, \
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DEFAULT_MAPPING
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from babel.messages.mofile import write_mo
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from babel.messages.pofile import read_po, write_po
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from babel.util import odict, LOCALTZ
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from babel._compat import string_types, BytesIO, PY2
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class compile_catalog(Command):
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"""Catalog compilation command for use in ``setup.py`` scripts.
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If correctly installed, this command is available to Setuptools-using
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setup scripts automatically. For projects using plain old ``distutils``,
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the command needs to be registered explicitly in ``setup.py``::
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from babel.messages.frontend import compile_catalog
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setup(
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...
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cmdclass = {'compile_catalog': compile_catalog}
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)
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.. versionadded:: 0.9
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"""
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description = 'compile message catalogs to binary MO files'
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user_options = [
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('domain=', 'D',
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"domain of PO file (default 'messages')"),
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('directory=', 'd',
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'path to base directory containing the catalogs'),
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('input-file=', 'i',
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'name of the input file'),
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('output-file=', 'o',
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"name of the output file (default "
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"'<output_dir>/<locale>/LC_MESSAGES/<domain>.po')"),
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('locale=', 'l',
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'locale of the catalog to compile'),
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('use-fuzzy', 'f',
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'also include fuzzy translations'),
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('statistics', None,
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'print statistics about translations')
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]
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boolean_options = ['use-fuzzy', 'statistics']
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def initialize_options(self):
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self.domain = 'messages'
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self.directory = None
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self.input_file = None
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self.output_file = None
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self.locale = None
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self.use_fuzzy = False
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self.statistics = False
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def finalize_options(self):
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if not self.input_file and not self.directory:
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raise DistutilsOptionError('you must specify either the input file '
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'or the base directory')
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if not self.output_file and not self.directory:
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raise DistutilsOptionError('you must specify either the input file '
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'or the base directory')
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def run(self):
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po_files = []
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mo_files = []
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if not self.input_file:
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if self.locale:
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po_files.append((self.locale,
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os.path.join(self.directory, self.locale,
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'LC_MESSAGES',
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self.domain + '.po')))
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mo_files.append(os.path.join(self.directory, self.locale,
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'LC_MESSAGES',
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self.domain + '.mo'))
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else:
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for locale in os.listdir(self.directory):
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po_file = os.path.join(self.directory, locale,
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'LC_MESSAGES', self.domain + '.po')
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if os.path.exists(po_file):
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po_files.append((locale, po_file))
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mo_files.append(os.path.join(self.directory, locale,
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'LC_MESSAGES',
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self.domain + '.mo'))
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else:
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po_files.append((self.locale, self.input_file))
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if self.output_file:
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mo_files.append(self.output_file)
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else:
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mo_files.append(os.path.join(self.directory, self.locale,
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'LC_MESSAGES',
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self.domain + '.mo'))
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if not po_files:
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raise DistutilsOptionError('no message catalogs found')
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for idx, (locale, po_file) in enumerate(po_files):
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mo_file = mo_files[idx]
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infile = open(po_file, 'r')
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try:
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catalog = read_po(infile, locale)
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finally:
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infile.close()
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if self.statistics:
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translated = 0
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for message in list(catalog)[1:]:
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if message.string:
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translated +=1
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percentage = 0
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if len(catalog):
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percentage = translated * 100 // len(catalog)
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log.info('%d of %d messages (%d%%) translated in %r',
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translated, len(catalog), percentage, po_file)
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if catalog.fuzzy and not self.use_fuzzy:
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log.warn('catalog %r is marked as fuzzy, skipping', po_file)
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continue
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for message, errors in catalog.check():
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for error in errors:
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log.error('error: %s:%d: %s', po_file, message.lineno,
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error)
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log.info('compiling catalog %r to %r', po_file, mo_file)
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outfile = open(mo_file, 'wb')
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try:
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write_mo(outfile, catalog, use_fuzzy=self.use_fuzzy)
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finally:
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outfile.close()
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class extract_messages(Command):
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"""Message extraction command for use in ``setup.py`` scripts.
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If correctly installed, this command is available to Setuptools-using
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setup scripts automatically. For projects using plain old ``distutils``,
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the command needs to be registered explicitly in ``setup.py``::
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from babel.messages.frontend import extract_messages
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setup(
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...
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cmdclass = {'extract_messages': extract_messages}
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)
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"""
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description = 'extract localizable strings from the project code'
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user_options = [
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('charset=', None,
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'charset to use in the output file'),
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('keywords=', 'k',
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'space-separated list of keywords to look for in addition to the '
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'defaults'),
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('no-default-keywords', None,
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'do not include the default keywords'),
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('mapping-file=', 'F',
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'path to the mapping configuration file'),
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('no-location', None,
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'do not include location comments with filename and line number'),
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('omit-header', None,
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'do not include msgid "" entry in header'),
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('output-file=', 'o',
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'name of the output file'),
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('width=', 'w',
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'set output line width (default 76)'),
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('no-wrap', None,
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'do not break long message lines, longer than the output line width, '
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'into several lines'),
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('sort-output', None,
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'generate sorted output (default False)'),
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('sort-by-file', None,
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'sort output by file location (default False)'),
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('msgid-bugs-address=', None,
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'set report address for msgid'),
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('copyright-holder=', None,
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'set copyright holder in output'),
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('add-comments=', 'c',
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'place comment block with TAG (or those preceding keyword lines) in '
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'output file. Separate multiple TAGs with commas(,)'),
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('strip-comments', None,
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'strip the comment TAGs from the comments.'),
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('input-dirs=', None,
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'directories that should be scanned for messages. Separate multiple '
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'directories with commas(,)'),
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]
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boolean_options = [
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'no-default-keywords', 'no-location', 'omit-header', 'no-wrap',
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'sort-output', 'sort-by-file', 'strip-comments'
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]
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def initialize_options(self):
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self.charset = 'utf-8'
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self.keywords = ''
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self._keywords = DEFAULT_KEYWORDS.copy()
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self.no_default_keywords = False
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self.mapping_file = None
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self.no_location = False
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self.omit_header = False
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self.output_file = None
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self.input_dirs = None
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self.width = None
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self.no_wrap = False
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self.sort_output = False
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self.sort_by_file = False
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self.msgid_bugs_address = None
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self.copyright_holder = None
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self.add_comments = None
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self._add_comments = []
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self.strip_comments = False
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def finalize_options(self):
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if self.no_default_keywords and not self.keywords:
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raise DistutilsOptionError('you must specify new keywords if you '
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'disable the default ones')
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if self.no_default_keywords:
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self._keywords = {}
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if self.keywords:
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self._keywords.update(parse_keywords(self.keywords.split()))
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if not self.output_file:
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raise DistutilsOptionError('no output file specified')
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if self.no_wrap and self.width:
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raise DistutilsOptionError("'--no-wrap' and '--width' are mutually "
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"exclusive")
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if not self.no_wrap and not self.width:
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self.width = 76
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elif self.width is not None:
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self.width = int(self.width)
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if self.sort_output and self.sort_by_file:
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raise DistutilsOptionError("'--sort-output' and '--sort-by-file' "
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"are mutually exclusive")
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if self.input_dirs:
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self.input_dirs = re.split(',\s*', self.input_dirs)
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else:
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self.input_dirs = dict.fromkeys([k.split('.',1)[0]
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for k in self.distribution.packages
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]).keys()
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if self.add_comments:
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self._add_comments = self.add_comments.split(',')
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def run(self):
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mappings = self._get_mappings()
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outfile = open(self.output_file, 'wb')
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try:
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catalog = Catalog(project=self.distribution.get_name(),
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version=self.distribution.get_version(),
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msgid_bugs_address=self.msgid_bugs_address,
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copyright_holder=self.copyright_holder,
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charset=self.charset)
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for dirname, (method_map, options_map) in mappings.items():
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def callback(filename, method, options):
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if method == 'ignore':
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return
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filepath = os.path.normpath(os.path.join(dirname, filename))
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optstr = ''
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if options:
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optstr = ' (%s)' % ', '.join(['%s="%s"' % (k, v) for
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k, v in options.items()])
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log.info('extracting messages from %s%s', filepath, optstr)
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extracted = extract_from_dir(dirname, method_map, options_map,
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keywords=self._keywords,
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comment_tags=self._add_comments,
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callback=callback,
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strip_comment_tags=
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self.strip_comments)
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for filename, lineno, message, comments, context in extracted:
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filepath = os.path.normpath(os.path.join(dirname, filename))
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catalog.add(message, None, [(filepath, lineno)],
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auto_comments=comments, context=context)
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log.info('writing PO template file to %s' % self.output_file)
|
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write_po(outfile, catalog, width=self.width,
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no_location=self.no_location,
|
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omit_header=self.omit_header,
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sort_output=self.sort_output,
|
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sort_by_file=self.sort_by_file)
|
||
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finally:
|
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outfile.close()
|
||
|
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|
||
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def _get_mappings(self):
|
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mappings = {}
|
||
|
|
|
||
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if self.mapping_file:
|
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fileobj = open(self.mapping_file, 'U')
|
||
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try:
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method_map, options_map = parse_mapping(fileobj)
|
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for dirname in self.input_dirs:
|
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mappings[dirname] = method_map, options_map
|
||
|
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finally:
|
||
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|
fileobj.close()
|
||
|
|
|
||
|
|
elif getattr(self.distribution, 'message_extractors', None):
|
||
|
|
message_extractors = self.distribution.message_extractors
|
||
|
|
for dirname, mapping in message_extractors.items():
|
||
|
|
if isinstance(mapping, string_types):
|
||
|
|
method_map, options_map = parse_mapping(BytesIO(mapping))
|
||
|
|
else:
|
||
|
|
method_map, options_map = [], {}
|
||
|
|
for pattern, method, options in mapping:
|
||
|
|
method_map.append((pattern, method))
|
||
|
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options_map[pattern] = options or {}
|
||
|
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mappings[dirname] = method_map, options_map
|
||
|
|
|
||
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else:
|
||
|
|
for dirname in self.input_dirs:
|
||
|
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mappings[dirname] = DEFAULT_MAPPING, {}
|
||
|
|
|
||
|
|
return mappings
|
||
|
|
|
||
|
|
|
||
|
|
def check_message_extractors(dist, name, value):
|
||
|
|
"""Validate the ``message_extractors`` keyword argument to ``setup()``.
|
||
|
|
|
||
|
|
:param dist: the distutils/setuptools ``Distribution`` object
|
||
|
|
:param name: the name of the keyword argument (should always be
|
||
|
|
"message_extractors")
|
||
|
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:param value: the value of the keyword argument
|
||
|
|
:raise `DistutilsSetupError`: if the value is not valid
|
||
|
|
"""
|
||
|
|
assert name == 'message_extractors'
|
||
|
|
if not isinstance(value, dict):
|
||
|
|
raise DistutilsSetupError('the value of the "message_extractors" '
|
||
|
|
'parameter must be a dictionary')
|
||
|
|
|
||
|
|
|
||
|
|
class init_catalog(Command):
|
||
|
|
"""New catalog initialization command for use in ``setup.py`` scripts.
|
||
|
|
|
||
|
|
If correctly installed, this command is available to Setuptools-using
|
||
|
|
setup scripts automatically. For projects using plain old ``distutils``,
|
||
|
|
the command needs to be registered explicitly in ``setup.py``::
|
||
|
|
|
||
|
|
from babel.messages.frontend import init_catalog
|
||
|
|
|
||
|
|
setup(
|
||
|
|
...
|
||
|
|
cmdclass = {'init_catalog': init_catalog}
|
||
|
|
)
|
||
|
|
"""
|
||
|
|
|
||
|
|
description = 'create a new catalog based on a POT file'
|
||
|
|
user_options = [
|
||
|
|
('domain=', 'D',
|
||
|
|
"domain of PO file (default 'messages')"),
|
||
|
|
('input-file=', 'i',
|
||
|
|
'name of the input file'),
|
||
|
|
('output-dir=', 'd',
|
||
|
|
'path to output directory'),
|
||
|
|
('output-file=', 'o',
|
||
|
|
"name of the output file (default "
|
||
|
|
"'<output_dir>/<locale>/LC_MESSAGES/<domain>.po')"),
|
||
|
|
('locale=', 'l',
|
||
|
|
'locale for the new localized catalog'),
|
||
|
|
('width=', 'w',
|
||
|
|
'set output line width (default 76)'),
|
||
|
|
('no-wrap', None,
|
||
|
|
'do not break long message lines, longer than the output line width, '
|
||
|
|
'into several lines'),
|
||
|
|
]
|
||
|
|
boolean_options = ['no-wrap']
|
||
|
|
|
||
|
|
def initialize_options(self):
|
||
|
|
self.output_dir = None
|
||
|
|
self.output_file = None
|
||
|
|
self.input_file = None
|
||
|
|
self.locale = None
|
||
|
|
self.domain = 'messages'
|
||
|
|
self.no_wrap = False
|
||
|
|
self.width = None
|
||
|
|
|
||
|
|
def finalize_options(self):
|
||
|
|
if not self.input_file:
|
||
|
|
raise DistutilsOptionError('you must specify the input file')
|
||
|
|
|
||
|
|
if not self.locale:
|
||
|
|
raise DistutilsOptionError('you must provide a locale for the '
|
||
|
|
'new catalog')
|
||
|
|
try:
|
||
|
|
self._locale = Locale.parse(self.locale)
|
||
|
|
except UnknownLocaleError as e:
|
||
|
|
raise DistutilsOptionError(e)
|
||
|
|
|
||
|
|
if not self.output_file and not self.output_dir:
|
||
|
|
raise DistutilsOptionError('you must specify the output directory')
|
||
|
|
if not self.output_file:
|
||
|
|
self.output_file = os.path.join(self.output_dir, self.locale,
|
||
|
|
'LC_MESSAGES', self.domain + '.po')
|
||
|
|
|
||
|
|
if not os.path.exists(os.path.dirname(self.output_file)):
|
||
|
|
os.makedirs(os.path.dirname(self.output_file))
|
||
|
|
if self.no_wrap and self.width:
|
||
|
|
raise DistutilsOptionError("'--no-wrap' and '--width' are mutually "
|
||
|
|
"exclusive")
|
||
|
|
if not self.no_wrap and not self.width:
|
||
|
|
self.width = 76
|
||
|
|
elif self.width is not None:
|
||
|
|
self.width = int(self.width)
|
||
|
|
|
||
|
|
def run(self):
|
||
|
|
log.info('creating catalog %r based on %r', self.output_file,
|
||
|
|
self.input_file)
|
||
|
|
|
||
|
|
infile = open(self.input_file, 'r')
|
||
|
|
try:
|
||
|
|
# Although reading from the catalog template, read_po must be fed
|
||
|
|
# the locale in order to correctly calculate plurals
|
||
|
|
catalog = read_po(infile, locale=self.locale)
|
||
|
|
finally:
|
||
|
|
infile.close()
|
||
|
|
|
||
|
|
catalog.locale = self._locale
|
||
|
|
catalog.revision_date = datetime.now(LOCALTZ)
|
||
|
|
catalog.fuzzy = False
|
||
|
|
|
||
|
|
outfile = open(self.output_file, 'wb')
|
||
|
|
try:
|
||
|
|
write_po(outfile, catalog, width=self.width)
|
||
|
|
finally:
|
||
|
|
outfile.close()
|
||
|
|
|
||
|
|
|
||
|
|
class update_catalog(Command):
|
||
|
|
"""Catalog merging command for use in ``setup.py`` scripts.
|
||
|
|
|
||
|
|
If correctly installed, this command is available to Setuptools-using
|
||
|
|
setup scripts automatically. For projects using plain old ``distutils``,
|
||
|
|
the command needs to be registered explicitly in ``setup.py``::
|
||
|
|
|
||
|
|
from babel.messages.frontend import update_catalog
|
||
|
|
|
||
|
|
setup(
|
||
|
|
...
|
||
|
|
cmdclass = {'update_catalog': update_catalog}
|
||
|
|
)
|
||
|
|
|
||
|
|
.. versionadded:: 0.9
|
||
|
|
"""
|
||
|
|
|
||
|
|
description = 'update message catalogs from a POT file'
|
||
|
|
user_options = [
|
||
|
|
('domain=', 'D',
|
||
|
|
"domain of PO file (default 'messages')"),
|
||
|
|
('input-file=', 'i',
|
||
|
|
'name of the input file'),
|
||
|
|
('output-dir=', 'd',
|
||
|
|
'path to base directory containing the catalogs'),
|
||
|
|
('output-file=', 'o',
|
||
|
|
"name of the output file (default "
|
||
|
|
"'<output_dir>/<locale>/LC_MESSAGES/<domain>.po')"),
|
||
|
|
('locale=', 'l',
|
||
|
|
'locale of the catalog to compile'),
|
||
|
|
('width=', 'w',
|
||
|
|
'set output line width (default 76)'),
|
||
|
|
('no-wrap', None,
|
||
|
|
'do not break long message lines, longer than the output line width, '
|
||
|
|
'into several lines'),
|
||
|
|
('ignore-obsolete=', None,
|
||
|
|
'whether to omit obsolete messages from the output'),
|
||
|
|
('no-fuzzy-matching', 'N',
|
||
|
|
'do not use fuzzy matching'),
|
||
|
|
('previous', None,
|
||
|
|
'keep previous msgids of translated messages')
|
||
|
|
]
|
||
|
|
boolean_options = ['ignore_obsolete', 'no_fuzzy_matching', 'previous']
|
||
|
|
|
||
|
|
def initialize_options(self):
|
||
|
|
self.domain = 'messages'
|
||
|
|
self.input_file = None
|
||
|
|
self.output_dir = None
|
||
|
|
self.output_file = None
|
||
|
|
self.locale = None
|
||
|
|
self.width = None
|
||
|
|
self.no_wrap = False
|
||
|
|
self.ignore_obsolete = False
|
||
|
|
self.no_fuzzy_matching = False
|
||
|
|
self.previous = False
|
||
|
|
|
||
|
|
def finalize_options(self):
|
||
|
|
if not self.input_file:
|
||
|
|
raise DistutilsOptionError('you must specify the input file')
|
||
|
|
if not self.output_file and not self.output_dir:
|
||
|
|
raise DistutilsOptionError('you must specify the output file or '
|
||
|
|
'directory')
|
||
|
|
if self.output_file and not self.locale:
|
||
|
|
raise DistutilsOptionError('you must specify the locale')
|
||
|
|
if self.no_wrap and self.width:
|
||
|
|
raise DistutilsOptionError("'--no-wrap' and '--width' are mutually "
|
||
|
|
"exclusive")
|
||
|
|
if not self.no_wrap and not self.width:
|
||
|
|
self.width = 76
|
||
|
|
elif self.width is not None:
|
||
|
|
self.width = int(self.width)
|
||
|
|
if self.no_fuzzy_matching and self.previous:
|
||
|
|
self.previous = False
|
||
|
|
|
||
|
|
def run(self):
|
||
|
|
po_files = []
|
||
|
|
if not self.output_file:
|
||
|
|
if self.locale:
|
||
|
|
po_files.append((self.locale,
|
||
|
|
os.path.join(self.output_dir, self.locale,
|
||
|
|
'LC_MESSAGES',
|
||
|
|
self.domain + '.po')))
|
||
|
|
else:
|
||
|
|
for locale in os.listdir(self.output_dir):
|
||
|
|
po_file = os.path.join(self.output_dir, locale,
|
||
|
|
'LC_MESSAGES',
|
||
|
|
self.domain + '.po')
|
||
|
|
if os.path.exists(po_file):
|
||
|
|
po_files.append((locale, po_file))
|
||
|
|
else:
|
||
|
|
po_files.append((self.locale, self.output_file))
|
||
|
|
|
||
|
|
domain = self.domain
|
||
|
|
if not domain:
|
||
|
|
domain = os.path.splitext(os.path.basename(self.input_file))[0]
|
||
|
|
|
||
|
|
infile = open(self.input_file, 'U')
|
||
|
|
try:
|
||
|
|
template = read_po(infile)
|
||
|
|
finally:
|
||
|
|
infile.close()
|
||
|
|
|
||
|
|
if not po_files:
|
||
|
|
raise DistutilsOptionError('no message catalogs found')
|
||
|
|
|
||
|
|
for locale, filename in po_files:
|
||
|
|
log.info('updating catalog %r based on %r', filename,
|
||
|
|
self.input_file)
|
||
|
|
infile = open(filename, 'U')
|
||
|
|
try:
|
||
|
|
catalog = read_po(infile, locale=locale, domain=domain)
|
||
|
|
finally:
|
||
|
|
infile.close()
|
||
|
|
|
||
|
|
catalog.update(template, self.no_fuzzy_matching)
|
||
|
|
|
||
|
|
tmpname = os.path.join(os.path.dirname(filename),
|
||
|
|
tempfile.gettempprefix() +
|
||
|
|
os.path.basename(filename))
|
||
|
|
tmpfile = open(tmpname, 'w')
|
||
|
|
try:
|
||
|
|
try:
|
||
|
|
write_po(tmpfile, catalog,
|
||
|
|
ignore_obsolete=self.ignore_obsolete,
|
||
|
|
include_previous=self.previous, width=self.width)
|
||
|
|
finally:
|
||
|
|
tmpfile.close()
|
||
|
|
except:
|
||
|
|
os.remove(tmpname)
|
||
|
|
raise
|
||
|
|
|
||
|
|
try:
|
||
|
|
os.rename(tmpname, filename)
|
||
|
|
except OSError:
|
||
|
|
# We're probably on Windows, which doesn't support atomic
|
||
|
|
# renames, at least not through Python
|
||
|
|
# If the error is in fact due to a permissions problem, that
|
||
|
|
# same error is going to be raised from one of the following
|
||
|
|
# operations
|
||
|
|
os.remove(filename)
|
||
|
|
shutil.copy(tmpname, filename)
|
||
|
|
os.remove(tmpname)
|
||
|
|
|
||
|
|
|
||
|
|
class CommandLineInterface(object):
|
||
|
|
"""Command-line interface.
|
||
|
|
|
||
|
|
This class provides a simple command-line interface to the message
|
||
|
|
extraction and PO file generation functionality.
|
||
|
|
"""
|
||
|
|
|
||
|
|
usage = '%%prog %s [options] %s'
|
||
|
|
version = '%%prog %s' % VERSION
|
||
|
|
commands = {
|
||
|
|
'compile': 'compile message catalogs to MO files',
|
||
|
|
'extract': 'extract messages from source files and generate a POT file',
|
||
|
|
'init': 'create new message catalogs from a POT file',
|
||
|
|
'update': 'update existing message catalogs from a POT file'
|
||
|
|
}
|
||
|
|
|
||
|
|
def run(self, argv=sys.argv):
|
||
|
|
"""Main entry point of the command-line interface.
|
||
|
|
|
||
|
|
:param argv: list of arguments passed on the command-line
|
||
|
|
"""
|
||
|
|
self.parser = OptionParser(usage=self.usage % ('command', '[args]'),
|
||
|
|
version=self.version)
|
||
|
|
self.parser.disable_interspersed_args()
|
||
|
|
self.parser.print_help = self._help
|
||
|
|
self.parser.add_option('--list-locales', dest='list_locales',
|
||
|
|
action='store_true',
|
||
|
|
help="print all known locales and exit")
|
||
|
|
self.parser.add_option('-v', '--verbose', action='store_const',
|
||
|
|
dest='loglevel', const=logging.DEBUG,
|
||
|
|
help='print as much as possible')
|
||
|
|
self.parser.add_option('-q', '--quiet', action='store_const',
|
||
|
|
dest='loglevel', const=logging.ERROR,
|
||
|
|
help='print as little as possible')
|
||
|
|
self.parser.set_defaults(list_locales=False, loglevel=logging.INFO)
|
||
|
|
|
||
|
|
options, args = self.parser.parse_args(argv[1:])
|
||
|
|
|
||
|
|
self._configure_logging(options.loglevel)
|
||
|
|
if options.list_locales:
|
||
|
|
identifiers = localedata.locale_identifiers()
|
||
|
|
longest = max([len(identifier) for identifier in identifiers])
|
||
|
|
identifiers.sort()
|
||
|
|
format = u'%%-%ds %%s' % (longest + 1)
|
||
|
|
for identifier in identifiers:
|
||
|
|
locale = Locale.parse(identifier)
|
||
|
|
output = format % (identifier, locale.english_name)
|
||
|
|
print(output.encode(sys.stdout.encoding or
|
||
|
|
getpreferredencoding() or
|
||
|
|
'ascii', 'replace'))
|
||
|
|
return 0
|
||
|
|
|
||
|
|
if not args:
|
||
|
|
self.parser.error('no valid command or option passed. '
|
||
|
|
'Try the -h/--help option for more information.')
|
||
|
|
|
||
|
|
cmdname = args[0]
|
||
|
|
if cmdname not in self.commands:
|
||
|
|
self.parser.error('unknown command "%s"' % cmdname)
|
||
|
|
|
||
|
|
return getattr(self, cmdname)(args[1:])
|
||
|
|
|
||
|
|
def _configure_logging(self, loglevel):
|
||
|
|
self.log = logging.getLogger('babel')
|
||
|
|
self.log.setLevel(loglevel)
|
||
|
|
# Don't add a new handler for every instance initialization (#227), this
|
||
|
|
# would cause duplicated output when the CommandLineInterface as an
|
||
|
|
# normal Python class.
|
||
|
|
if self.log.handlers:
|
||
|
|
handler = self.log.handlers[0]
|
||
|
|
else:
|
||
|
|
handler = logging.StreamHandler()
|
||
|
|
self.log.addHandler(handler)
|
||
|
|
handler.setLevel(loglevel)
|
||
|
|
formatter = logging.Formatter('%(message)s')
|
||
|
|
handler.setFormatter(formatter)
|
||
|
|
|
||
|
|
def _help(self):
|
||
|
|
print(self.parser.format_help())
|
||
|
|
print("commands:")
|
||
|
|
longest = max([len(command) for command in self.commands])
|
||
|
|
format = " %%-%ds %%s" % max(8, longest + 1)
|
||
|
|
commands = sorted(self.commands.items())
|
||
|
|
for name, description in commands:
|
||
|
|
print(format % (name, description))
|
||
|
|
|
||
|
|
def compile(self, argv):
|
||
|
|
"""Subcommand for compiling a message catalog to a MO file.
|
||
|
|
|
||
|
|
:param argv: the command arguments
|
||
|
|
:since: version 0.9
|
||
|
|
"""
|
||
|
|
parser = OptionParser(usage=self.usage % ('compile', ''),
|
||
|
|
description=self.commands['compile'])
|
||
|
|
parser.add_option('--domain', '-D', dest='domain',
|
||
|
|
help="domain of MO and PO files (default '%default')")
|
||
|
|
parser.add_option('--directory', '-d', dest='directory',
|
||
|
|
metavar='DIR', help='base directory of catalog files')
|
||
|
|
parser.add_option('--locale', '-l', dest='locale', metavar='LOCALE',
|
||
|
|
help='locale of the catalog')
|
||
|
|
parser.add_option('--input-file', '-i', dest='input_file',
|
||
|
|
metavar='FILE', help='name of the input file')
|
||
|
|
parser.add_option('--output-file', '-o', dest='output_file',
|
||
|
|
metavar='FILE',
|
||
|
|
help="name of the output file (default "
|
||
|
|
"'<output_dir>/<locale>/LC_MESSAGES/"
|
||
|
|
"<domain>.mo')")
|
||
|
|
parser.add_option('--use-fuzzy', '-f', dest='use_fuzzy',
|
||
|
|
action='store_true',
|
||
|
|
help='also include fuzzy translations (default '
|
||
|
|
'%default)')
|
||
|
|
parser.add_option('--statistics', dest='statistics',
|
||
|
|
action='store_true',
|
||
|
|
help='print statistics about translations')
|
||
|
|
|
||
|
|
parser.set_defaults(domain='messages', use_fuzzy=False,
|
||
|
|
compile_all=False, statistics=False)
|
||
|
|
options, args = parser.parse_args(argv)
|
||
|
|
|
||
|
|
po_files = []
|
||
|
|
mo_files = []
|
||
|
|
if not options.input_file:
|
||
|
|
if not options.directory:
|
||
|
|
parser.error('you must specify either the input file or the '
|
||
|
|
'base directory')
|
||
|
|
if options.locale:
|
||
|
|
po_files.append((options.locale,
|
||
|
|
os.path.join(options.directory,
|
||
|
|
options.locale, 'LC_MESSAGES',
|
||
|
|
options.domain + '.po')))
|
||
|
|
mo_files.append(os.path.join(options.directory, options.locale,
|
||
|
|
'LC_MESSAGES',
|
||
|
|
options.domain + '.mo'))
|
||
|
|
else:
|
||
|
|
for locale in os.listdir(options.directory):
|
||
|
|
po_file = os.path.join(options.directory, locale,
|
||
|
|
'LC_MESSAGES', options.domain + '.po')
|
||
|
|
if os.path.exists(po_file):
|
||
|
|
po_files.append((locale, po_file))
|
||
|
|
mo_files.append(os.path.join(options.directory, locale,
|
||
|
|
'LC_MESSAGES',
|
||
|
|
options.domain + '.mo'))
|
||
|
|
else:
|
||
|
|
po_files.append((options.locale, options.input_file))
|
||
|
|
if options.output_file:
|
||
|
|
mo_files.append(options.output_file)
|
||
|
|
else:
|
||
|
|
if not options.directory:
|
||
|
|
parser.error('you must specify either the input file or '
|
||
|
|
'the base directory')
|
||
|
|
mo_files.append(os.path.join(options.directory, options.locale,
|
||
|
|
'LC_MESSAGES',
|
||
|
|
options.domain + '.mo'))
|
||
|
|
if not po_files:
|
||
|
|
parser.error('no message catalogs found')
|
||
|
|
|
||
|
|
for idx, (locale, po_file) in enumerate(po_files):
|
||
|
|
mo_file = mo_files[idx]
|
||
|
|
infile = open(po_file, 'r')
|
||
|
|
try:
|
||
|
|
catalog = read_po(infile, locale)
|
||
|
|
finally:
|
||
|
|
infile.close()
|
||
|
|
|
||
|
|
if options.statistics:
|
||
|
|
translated = 0
|
||
|
|
for message in list(catalog)[1:]:
|
||
|
|
if message.string:
|
||
|
|
translated +=1
|
||
|
|
percentage = 0
|
||
|
|
if len(catalog):
|
||
|
|
percentage = translated * 100 // len(catalog)
|
||
|
|
self.log.info("%d of %d messages (%d%%) translated in %r",
|
||
|
|
translated, len(catalog), percentage, po_file)
|
||
|
|
|
||
|
|
if catalog.fuzzy and not options.use_fuzzy:
|
||
|
|
self.log.warning('catalog %r is marked as fuzzy, skipping',
|
||
|
|
po_file)
|
||
|
|
continue
|
||
|
|
|
||
|
|
for message, errors in catalog.check():
|
||
|
|
for error in errors:
|
||
|
|
self.log.error('error: %s:%d: %s', po_file, message.lineno,
|
||
|
|
error)
|
||
|
|
|
||
|
|
self.log.info('compiling catalog %r to %r', po_file, mo_file)
|
||
|
|
|
||
|
|
outfile = open(mo_file, 'wb')
|
||
|
|
try:
|
||
|
|
write_mo(outfile, catalog, use_fuzzy=options.use_fuzzy)
|
||
|
|
finally:
|
||
|
|
outfile.close()
|
||
|
|
|
||
|
|
def extract(self, argv):
|
||
|
|
"""Subcommand for extracting messages from source files and generating
|
||
|
|
a POT file.
|
||
|
|
|
||
|
|
:param argv: the command arguments
|
||
|
|
"""
|
||
|
|
parser = OptionParser(usage=self.usage % ('extract', 'dir1 <dir2> ...'),
|
||
|
|
description=self.commands['extract'])
|
||
|
|
parser.add_option('--charset', dest='charset',
|
||
|
|
help='charset to use in the output (default '
|
||
|
|
'"%default")')
|
||
|
|
parser.add_option('-k', '--keyword', dest='keywords', action='append',
|
||
|
|
help='keywords to look for in addition to the '
|
||
|
|
'defaults. You can specify multiple -k flags on '
|
||
|
|
'the command line.')
|
||
|
|
parser.add_option('--no-default-keywords', dest='no_default_keywords',
|
||
|
|
action='store_true',
|
||
|
|
help="do not include the default keywords")
|
||
|
|
parser.add_option('--mapping', '-F', dest='mapping_file',
|
||
|
|
help='path to the extraction mapping file')
|
||
|
|
parser.add_option('--no-location', dest='no_location',
|
||
|
|
action='store_true',
|
||
|
|
help='do not include location comments with filename '
|
||
|
|
'and line number')
|
||
|
|
parser.add_option('--omit-header', dest='omit_header',
|
||
|
|
action='store_true',
|
||
|
|
help='do not include msgid "" entry in header')
|
||
|
|
parser.add_option('-o', '--output', dest='output',
|
||
|
|
help='path to the output POT file')
|
||
|
|
parser.add_option('-w', '--width', dest='width', type='int',
|
||
|
|
help="set output line width (default 76)")
|
||
|
|
parser.add_option('--no-wrap', dest='no_wrap', action='store_true',
|
||
|
|
help='do not break long message lines, longer than '
|
||
|
|
'the output line width, into several lines')
|
||
|
|
parser.add_option('--sort-output', dest='sort_output',
|
||
|
|
action='store_true',
|
||
|
|
help='generate sorted output (default False)')
|
||
|
|
parser.add_option('--sort-by-file', dest='sort_by_file',
|
||
|
|
action='store_true',
|
||
|
|
help='sort output by file location (default False)')
|
||
|
|
parser.add_option('--msgid-bugs-address', dest='msgid_bugs_address',
|
||
|
|
metavar='EMAIL@ADDRESS',
|
||
|
|
help='set report address for msgid')
|
||
|
|
parser.add_option('--copyright-holder', dest='copyright_holder',
|
||
|
|
help='set copyright holder in output')
|
||
|
|
parser.add_option('--project', dest='project',
|
||
|
|
help='set project name in output')
|
||
|
|
parser.add_option('--version', dest='version',
|
||
|
|
help='set project version in output')
|
||
|
|
parser.add_option('--add-comments', '-c', dest='comment_tags',
|
||
|
|
metavar='TAG', action='append',
|
||
|
|
help='place comment block with TAG (or those '
|
||
|
|
'preceding keyword lines) in output file. One '
|
||
|
|
'TAG per argument call')
|
||
|
|
parser.add_option('--strip-comment-tags', '-s',
|
||
|
|
dest='strip_comment_tags', action='store_true',
|
||
|
|
help='Strip the comment tags from the comments.')
|
||
|
|
|
||
|
|
parser.set_defaults(charset='utf-8', keywords=[],
|
||
|
|
no_default_keywords=False, no_location=False,
|
||
|
|
omit_header = False, width=None, no_wrap=False,
|
||
|
|
sort_output=False, sort_by_file=False,
|
||
|
|
comment_tags=[], strip_comment_tags=False)
|
||
|
|
options, args = parser.parse_args(argv)
|
||
|
|
if not args:
|
||
|
|
parser.error('incorrect number of arguments')
|
||
|
|
|
||
|
|
keywords = DEFAULT_KEYWORDS.copy()
|
||
|
|
if options.no_default_keywords:
|
||
|
|
if not options.keywords:
|
||
|
|
parser.error('you must specify new keywords if you disable the '
|
||
|
|
'default ones')
|
||
|
|
keywords = {}
|
||
|
|
if options.keywords:
|
||
|
|
keywords.update(parse_keywords(options.keywords))
|
||
|
|
|
||
|
|
if options.mapping_file:
|
||
|
|
fileobj = open(options.mapping_file, 'U')
|
||
|
|
try:
|
||
|
|
method_map, options_map = parse_mapping(fileobj)
|
||
|
|
finally:
|
||
|
|
fileobj.close()
|
||
|
|
else:
|
||
|
|
method_map = DEFAULT_MAPPING
|
||
|
|
options_map = {}
|
||
|
|
|
||
|
|
if options.width and options.no_wrap:
|
||
|
|
parser.error("'--no-wrap' and '--width' are mutually exclusive.")
|
||
|
|
elif not options.width and not options.no_wrap:
|
||
|
|
options.width = 76
|
||
|
|
|
||
|
|
if options.sort_output and options.sort_by_file:
|
||
|
|
parser.error("'--sort-output' and '--sort-by-file' are mutually "
|
||
|
|
"exclusive")
|
||
|
|
|
||
|
|
catalog = Catalog(project=options.project,
|
||
|
|
version=options.version,
|
||
|
|
msgid_bugs_address=options.msgid_bugs_address,
|
||
|
|
copyright_holder=options.copyright_holder,
|
||
|
|
charset=options.charset)
|
||
|
|
|
||
|
|
for dirname in args:
|
||
|
|
if not os.path.isdir(dirname):
|
||
|
|
parser.error('%r is not a directory' % dirname)
|
||
|
|
|
||
|
|
def callback(filename, method, options):
|
||
|
|
if method == 'ignore':
|
||
|
|
return
|
||
|
|
filepath = os.path.normpath(os.path.join(dirname, filename))
|
||
|
|
optstr = ''
|
||
|
|
if options:
|
||
|
|
optstr = ' (%s)' % ', '.join(['%s="%s"' % (k, v) for
|
||
|
|
k, v in options.items()])
|
||
|
|
self.log.info('extracting messages from %s%s', filepath,
|
||
|
|
optstr)
|
||
|
|
|
||
|
|
extracted = extract_from_dir(dirname, method_map, options_map,
|
||
|
|
keywords, options.comment_tags,
|
||
|
|
callback=callback,
|
||
|
|
strip_comment_tags=
|
||
|
|
options.strip_comment_tags)
|
||
|
|
for filename, lineno, message, comments, context in extracted:
|
||
|
|
filepath = os.path.normpath(os.path.join(dirname, filename))
|
||
|
|
catalog.add(message, None, [(filepath, lineno)],
|
||
|
|
auto_comments=comments, context=context)
|
||
|
|
|
||
|
|
catalog_charset = catalog.charset
|
||
|
|
if options.output not in (None, '-'):
|
||
|
|
self.log.info('writing PO template file to %s' % options.output)
|
||
|
|
outfile = open(options.output, 'wb')
|
||
|
|
close_output = True
|
||
|
|
else:
|
||
|
|
outfile = sys.stdout
|
||
|
|
|
||
|
|
# This is a bit of a hack on Python 3. stdout is a text stream so
|
||
|
|
# we need to find the underlying file when we write the PO. In
|
||
|
|
# later versions of Babel we want the write_po function to accept
|
||
|
|
# text or binary streams and automatically adjust the encoding.
|
||
|
|
if not PY2 and hasattr(outfile, 'buffer'):
|
||
|
|
catalog.charset = outfile.encoding
|
||
|
|
outfile = outfile.buffer.raw
|
||
|
|
|
||
|
|
close_output = False
|
||
|
|
|
||
|
|
try:
|
||
|
|
write_po(outfile, catalog, width=options.width,
|
||
|
|
no_location=options.no_location,
|
||
|
|
omit_header=options.omit_header,
|
||
|
|
sort_output=options.sort_output,
|
||
|
|
sort_by_file=options.sort_by_file)
|
||
|
|
finally:
|
||
|
|
if close_output:
|
||
|
|
outfile.close()
|
||
|
|
catalog.charset = catalog_charset
|
||
|
|
|
||
|
|
def init(self, argv):
|
||
|
|
"""Subcommand for creating new message catalogs from a template.
|
||
|
|
|
||
|
|
:param argv: the command arguments
|
||
|
|
"""
|
||
|
|
parser = OptionParser(usage=self.usage % ('init', ''),
|
||
|
|
description=self.commands['init'])
|
||
|
|
parser.add_option('--domain', '-D', dest='domain',
|
||
|
|
help="domain of PO file (default '%default')")
|
||
|
|
parser.add_option('--input-file', '-i', dest='input_file',
|
||
|
|
metavar='FILE', help='name of the input file')
|
||
|
|
parser.add_option('--output-dir', '-d', dest='output_dir',
|
||
|
|
metavar='DIR', help='path to output directory')
|
||
|
|
parser.add_option('--output-file', '-o', dest='output_file',
|
||
|
|
metavar='FILE',
|
||
|
|
help="name of the output file (default "
|
||
|
|
"'<output_dir>/<locale>/LC_MESSAGES/"
|
||
|
|
"<domain>.po')")
|
||
|
|
parser.add_option('--locale', '-l', dest='locale', metavar='LOCALE',
|
||
|
|
help='locale for the new localized catalog')
|
||
|
|
parser.add_option('-w', '--width', dest='width', type='int',
|
||
|
|
help="set output line width (default 76)")
|
||
|
|
parser.add_option('--no-wrap', dest='no_wrap', action='store_true',
|
||
|
|
help='do not break long message lines, longer than '
|
||
|
|
'the output line width, into several lines')
|
||
|
|
|
||
|
|
parser.set_defaults(domain='messages')
|
||
|
|
options, args = parser.parse_args(argv)
|
||
|
|
|
||
|
|
if not options.locale:
|
||
|
|
parser.error('you must provide a locale for the new catalog')
|
||
|
|
try:
|
||
|
|
locale = Locale.parse(options.locale)
|
||
|
|
except UnknownLocaleError as e:
|
||
|
|
parser.error(e)
|
||
|
|
|
||
|
|
if not options.input_file:
|
||
|
|
parser.error('you must specify the input file')
|
||
|
|
|
||
|
|
if not options.output_file and not options.output_dir:
|
||
|
|
parser.error('you must specify the output file or directory')
|
||
|
|
|
||
|
|
if not options.output_file:
|
||
|
|
options.output_file = os.path.join(options.output_dir,
|
||
|
|
options.locale, 'LC_MESSAGES',
|
||
|
|
options.domain + '.po')
|
||
|
|
if not os.path.exists(os.path.dirname(options.output_file)):
|
||
|
|
os.makedirs(os.path.dirname(options.output_file))
|
||
|
|
if options.width and options.no_wrap:
|
||
|
|
parser.error("'--no-wrap' and '--width' are mutually exclusive.")
|
||
|
|
elif not options.width and not options.no_wrap:
|
||
|
|
options.width = 76
|
||
|
|
|
||
|
|
infile = open(options.input_file, 'r')
|
||
|
|
try:
|
||
|
|
# Although reading from the catalog template, read_po must be fed
|
||
|
|
# the locale in order to correctly calculate plurals
|
||
|
|
catalog = read_po(infile, locale=options.locale)
|
||
|
|
finally:
|
||
|
|
infile.close()
|
||
|
|
|
||
|
|
catalog.locale = locale
|
||
|
|
catalog.revision_date = datetime.now(LOCALTZ)
|
||
|
|
|
||
|
|
self.log.info('creating catalog %r based on %r', options.output_file,
|
||
|
|
options.input_file)
|
||
|
|
|
||
|
|
outfile = open(options.output_file, 'wb')
|
||
|
|
try:
|
||
|
|
write_po(outfile, catalog, width=options.width)
|
||
|
|
finally:
|
||
|
|
outfile.close()
|
||
|
|
|
||
|
|
def update(self, argv):
|
||
|
|
"""Subcommand for updating existing message catalogs from a template.
|
||
|
|
|
||
|
|
:param argv: the command arguments
|
||
|
|
:since: version 0.9
|
||
|
|
"""
|
||
|
|
parser = OptionParser(usage=self.usage % ('update', ''),
|
||
|
|
description=self.commands['update'])
|
||
|
|
parser.add_option('--domain', '-D', dest='domain',
|
||
|
|
help="domain of PO file (default '%default')")
|
||
|
|
parser.add_option('--input-file', '-i', dest='input_file',
|
||
|
|
metavar='FILE', help='name of the input file')
|
||
|
|
parser.add_option('--output-dir', '-d', dest='output_dir',
|
||
|
|
metavar='DIR', help='path to output directory')
|
||
|
|
parser.add_option('--output-file', '-o', dest='output_file',
|
||
|
|
metavar='FILE',
|
||
|
|
help="name of the output file (default "
|
||
|
|
"'<output_dir>/<locale>/LC_MESSAGES/"
|
||
|
|
"<domain>.po')")
|
||
|
|
parser.add_option('--locale', '-l', dest='locale', metavar='LOCALE',
|
||
|
|
help='locale of the translations catalog')
|
||
|
|
parser.add_option('-w', '--width', dest='width', type='int',
|
||
|
|
help="set output line width (default 76)")
|
||
|
|
parser.add_option('--no-wrap', dest='no_wrap', action = 'store_true',
|
||
|
|
help='do not break long message lines, longer than '
|
||
|
|
'the output line width, into several lines')
|
||
|
|
parser.add_option('--ignore-obsolete', dest='ignore_obsolete',
|
||
|
|
action='store_true',
|
||
|
|
help='do not include obsolete messages in the output '
|
||
|
|
'(default %default)')
|
||
|
|
parser.add_option('--no-fuzzy-matching', '-N', dest='no_fuzzy_matching',
|
||
|
|
action='store_true',
|
||
|
|
help='do not use fuzzy matching (default %default)')
|
||
|
|
parser.add_option('--previous', dest='previous', action='store_true',
|
||
|
|
help='keep previous msgids of translated messages '
|
||
|
|
'(default %default)')
|
||
|
|
|
||
|
|
parser.set_defaults(domain='messages', ignore_obsolete=False,
|
||
|
|
no_fuzzy_matching=False, previous=False)
|
||
|
|
options, args = parser.parse_args(argv)
|
||
|
|
|
||
|
|
if not options.input_file:
|
||
|
|
parser.error('you must specify the input file')
|
||
|
|
if not options.output_file and not options.output_dir:
|
||
|
|
parser.error('you must specify the output file or directory')
|
||
|
|
if options.output_file and not options.locale:
|
||
|
|
parser.error('you must specify the locale')
|
||
|
|
if options.no_fuzzy_matching and options.previous:
|
||
|
|
options.previous = False
|
||
|
|
|
||
|
|
po_files = []
|
||
|
|
if not options.output_file:
|
||
|
|
if options.locale:
|
||
|
|
po_files.append((options.locale,
|
||
|
|
os.path.join(options.output_dir,
|
||
|
|
options.locale, 'LC_MESSAGES',
|
||
|
|
options.domain + '.po')))
|
||
|
|
else:
|
||
|
|
for locale in os.listdir(options.output_dir):
|
||
|
|
po_file = os.path.join(options.output_dir, locale,
|
||
|
|
'LC_MESSAGES',
|
||
|
|
options.domain + '.po')
|
||
|
|
if os.path.exists(po_file):
|
||
|
|
po_files.append((locale, po_file))
|
||
|
|
else:
|
||
|
|
po_files.append((options.locale, options.output_file))
|
||
|
|
|
||
|
|
domain = options.domain
|
||
|
|
if not domain:
|
||
|
|
domain = os.path.splitext(os.path.basename(options.input_file))[0]
|
||
|
|
|
||
|
|
infile = open(options.input_file, 'U')
|
||
|
|
try:
|
||
|
|
template = read_po(infile)
|
||
|
|
finally:
|
||
|
|
infile.close()
|
||
|
|
|
||
|
|
if not po_files:
|
||
|
|
parser.error('no message catalogs found')
|
||
|
|
|
||
|
|
if options.width and options.no_wrap:
|
||
|
|
parser.error("'--no-wrap' and '--width' are mutually exclusive.")
|
||
|
|
elif not options.width and not options.no_wrap:
|
||
|
|
options.width = 76
|
||
|
|
for locale, filename in po_files:
|
||
|
|
self.log.info('updating catalog %r based on %r', filename,
|
||
|
|
options.input_file)
|
||
|
|
infile = open(filename, 'U')
|
||
|
|
try:
|
||
|
|
catalog = read_po(infile, locale=locale, domain=domain)
|
||
|
|
finally:
|
||
|
|
infile.close()
|
||
|
|
|
||
|
|
catalog.update(template, options.no_fuzzy_matching)
|
||
|
|
|
||
|
|
tmpname = os.path.join(os.path.dirname(filename),
|
||
|
|
tempfile.gettempprefix() +
|
||
|
|
os.path.basename(filename))
|
||
|
|
tmpfile = open(tmpname, 'w')
|
||
|
|
try:
|
||
|
|
try:
|
||
|
|
write_po(tmpfile, catalog,
|
||
|
|
ignore_obsolete=options.ignore_obsolete,
|
||
|
|
include_previous=options.previous,
|
||
|
|
width=options.width)
|
||
|
|
finally:
|
||
|
|
tmpfile.close()
|
||
|
|
except:
|
||
|
|
os.remove(tmpname)
|
||
|
|
raise
|
||
|
|
|
||
|
|
try:
|
||
|
|
os.rename(tmpname, filename)
|
||
|
|
except OSError:
|
||
|
|
# We're probably on Windows, which doesn't support atomic
|
||
|
|
# renames, at least not through Python
|
||
|
|
# If the error is in fact due to a permissions problem, that
|
||
|
|
# same error is going to be raised from one of the following
|
||
|
|
# operations
|
||
|
|
os.remove(filename)
|
||
|
|
shutil.copy(tmpname, filename)
|
||
|
|
os.remove(tmpname)
|
||
|
|
|
||
|
|
|
||
|
|
def main():
|
||
|
|
return CommandLineInterface().run(sys.argv)
|
||
|
|
|
||
|
|
|
||
|
|
def parse_mapping(fileobj, filename=None):
|
||
|
|
"""Parse an extraction method mapping from a file-like object.
|
||
|
|
|
||
|
|
>>> buf = BytesIO(b'''
|
||
|
|
... [extractors]
|
||
|
|
... custom = mypackage.module:myfunc
|
||
|
|
...
|
||
|
|
... # Python source files
|
||
|
|
... [python: **.py]
|
||
|
|
...
|
||
|
|
... # Genshi templates
|
||
|
|
... [genshi: **/templates/**.html]
|
||
|
|
... include_attrs =
|
||
|
|
... [genshi: **/templates/**.txt]
|
||
|
|
... template_class = genshi.template:TextTemplate
|
||
|
|
... encoding = latin-1
|
||
|
|
...
|
||
|
|
... # Some custom extractor
|
||
|
|
... [custom: **/custom/*.*]
|
||
|
|
... ''')
|
||
|
|
|
||
|
|
>>> method_map, options_map = parse_mapping(buf)
|
||
|
|
>>> len(method_map)
|
||
|
|
4
|
||
|
|
|
||
|
|
>>> method_map[0]
|
||
|
|
('**.py', 'python')
|
||
|
|
>>> options_map['**.py']
|
||
|
|
{}
|
||
|
|
>>> method_map[1]
|
||
|
|
('**/templates/**.html', 'genshi')
|
||
|
|
>>> options_map['**/templates/**.html']['include_attrs']
|
||
|
|
''
|
||
|
|
>>> method_map[2]
|
||
|
|
('**/templates/**.txt', 'genshi')
|
||
|
|
>>> options_map['**/templates/**.txt']['template_class']
|
||
|
|
'genshi.template:TextTemplate'
|
||
|
|
>>> options_map['**/templates/**.txt']['encoding']
|
||
|
|
'latin-1'
|
||
|
|
|
||
|
|
>>> method_map[3]
|
||
|
|
('**/custom/*.*', 'mypackage.module:myfunc')
|
||
|
|
>>> options_map['**/custom/*.*']
|
||
|
|
{}
|
||
|
|
|
||
|
|
:param fileobj: a readable file-like object containing the configuration
|
||
|
|
text to parse
|
||
|
|
:see: `extract_from_directory`
|
||
|
|
"""
|
||
|
|
extractors = {}
|
||
|
|
method_map = []
|
||
|
|
options_map = {}
|
||
|
|
|
||
|
|
parser = RawConfigParser()
|
||
|
|
parser._sections = odict(parser._sections) # We need ordered sections
|
||
|
|
parser.readfp(fileobj, filename)
|
||
|
|
for section in parser.sections():
|
||
|
|
if section == 'extractors':
|
||
|
|
extractors = dict(parser.items(section))
|
||
|
|
else:
|
||
|
|
method, pattern = [part.strip() for part in section.split(':', 1)]
|
||
|
|
method_map.append((pattern, method))
|
||
|
|
options_map[pattern] = dict(parser.items(section))
|
||
|
|
|
||
|
|
if extractors:
|
||
|
|
for idx, (pattern, method) in enumerate(method_map):
|
||
|
|
if method in extractors:
|
||
|
|
method = extractors[method]
|
||
|
|
method_map[idx] = (pattern, method)
|
||
|
|
|
||
|
|
return (method_map, options_map)
|
||
|
|
|
||
|
|
|
||
|
|
def parse_keywords(strings=[]):
|
||
|
|
"""Parse keywords specifications from the given list of strings.
|
||
|
|
|
||
|
|
>>> kw = parse_keywords(['_', 'dgettext:2', 'dngettext:2,3', 'pgettext:1c,2']).items()
|
||
|
|
>>> kw.sort()
|
||
|
|
>>> for keyword, indices in kw:
|
||
|
|
... print (keyword, indices)
|
||
|
|
('_', None)
|
||
|
|
('dgettext', (2,))
|
||
|
|
('dngettext', (2, 3))
|
||
|
|
('pgettext', ((1, 'c'), 2))
|
||
|
|
"""
|
||
|
|
keywords = {}
|
||
|
|
for string in strings:
|
||
|
|
if ':' in string:
|
||
|
|
funcname, indices = string.split(':')
|
||
|
|
else:
|
||
|
|
funcname, indices = string, None
|
||
|
|
if funcname not in keywords:
|
||
|
|
if indices:
|
||
|
|
inds = []
|
||
|
|
for x in indices.split(','):
|
||
|
|
if x[-1] == 'c':
|
||
|
|
inds.append((int(x[:-1]), 'c'))
|
||
|
|
else:
|
||
|
|
inds.append(int(x))
|
||
|
|
indices = tuple(inds)
|
||
|
|
keywords[funcname] = indices
|
||
|
|
return keywords
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
main()
|