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Diffstat (limited to 'jython-tosca-parser/src/main/resources/Lib/site-packages/babel-2.3.4-py2.7.egg/babel/messages/catalog.py')
| -rw-r--r-- | jython-tosca-parser/src/main/resources/Lib/site-packages/babel-2.3.4-py2.7.egg/babel/messages/catalog.py | 820 |
1 files changed, 820 insertions, 0 deletions
diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/babel-2.3.4-py2.7.egg/babel/messages/catalog.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/babel-2.3.4-py2.7.egg/babel/messages/catalog.py new file mode 100644 index 0000000..8c807f8 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/babel-2.3.4-py2.7.egg/babel/messages/catalog.py @@ -0,0 +1,820 @@ +# -*- coding: utf-8 -*- +""" + babel.messages.catalog + ~~~~~~~~~~~~~~~~~~~~~~ + + Data structures for message catalogs. + + :copyright: (c) 2013 by the Babel Team. + :license: BSD, see LICENSE for more details. +""" + +import re +import time + +from cgi import parse_header +from datetime import datetime, time as time_ +from difflib import get_close_matches +from email import message_from_string +from copy import copy + +from babel import __version__ as VERSION +from babel.core import Locale +from babel.dates import format_datetime +from babel.messages.plurals import get_plural +from babel.util import odict, distinct, LOCALTZ, FixedOffsetTimezone +from babel._compat import string_types, number_types, PY2, cmp + +__all__ = ['Message', 'Catalog', 'TranslationError'] + + +PYTHON_FORMAT = re.compile(r'''(?x) + \% + (?:\(([\w]*)\))? + ( + [-#0\ +]?(?:\*|[\d]+)? + (?:\.(?:\*|[\d]+))? + [hlL]? + ) + ([diouxXeEfFgGcrs%]) +''') + + +def _parse_datetime_header(value): + match = re.match(r'^(?P<datetime>.*?)(?P<tzoffset>[+-]\d{4})?$', value) + + tt = time.strptime(match.group('datetime'), '%Y-%m-%d %H:%M') + ts = time.mktime(tt) + dt = datetime.fromtimestamp(ts) + + # Separate the offset into a sign component, hours, and # minutes + tzoffset = match.group('tzoffset') + if tzoffset is not None: + plus_minus_s, rest = tzoffset[0], tzoffset[1:] + hours_offset_s, mins_offset_s = rest[:2], rest[2:] + + # Make them all integers + plus_minus = int(plus_minus_s + '1') + hours_offset = int(hours_offset_s) + mins_offset = int(mins_offset_s) + + # Calculate net offset + net_mins_offset = hours_offset * 60 + net_mins_offset += mins_offset + net_mins_offset *= plus_minus + + # Create an offset object + tzoffset = FixedOffsetTimezone(net_mins_offset) + + # Store the offset in a datetime object + dt = dt.replace(tzinfo=tzoffset) + + return dt + + +class Message(object): + """Representation of a single message in a catalog.""" + + def __init__(self, id, string=u'', locations=(), flags=(), auto_comments=(), + user_comments=(), previous_id=(), lineno=None, context=None): + """Create the message object. + + :param id: the message ID, or a ``(singular, plural)`` tuple for + pluralizable messages + :param string: the translated message string, or a + ``(singular, plural)`` tuple for pluralizable messages + :param locations: a sequence of ``(filenname, lineno)`` tuples + :param flags: a set or sequence of flags + :param auto_comments: a sequence of automatic comments for the message + :param user_comments: a sequence of user comments for the message + :param previous_id: the previous message ID, or a ``(singular, plural)`` + tuple for pluralizable messages + :param lineno: the line number on which the msgid line was found in the + PO file, if any + :param context: the message context + """ + self.id = id + if not string and self.pluralizable: + string = (u'', u'') + self.string = string + self.locations = list(distinct(locations)) + self.flags = set(flags) + if id and self.python_format: + self.flags.add('python-format') + else: + self.flags.discard('python-format') + self.auto_comments = list(distinct(auto_comments)) + self.user_comments = list(distinct(user_comments)) + if isinstance(previous_id, string_types): + self.previous_id = [previous_id] + else: + self.previous_id = list(previous_id) + self.lineno = lineno + self.context = context + + def __repr__(self): + return '<%s %r (flags: %r)>' % (type(self).__name__, self.id, + list(self.flags)) + + def __cmp__(self, obj): + """Compare Messages, taking into account plural ids""" + def values_to_compare(): + if isinstance(obj, Message): + plural = self.pluralizable + obj_plural = obj.pluralizable + if plural and obj_plural: + return self.id[0], obj.id[0] + elif plural: + return self.id[0], obj.id + elif obj_plural: + return self.id, obj.id[0] + return self.id, obj.id + this, other = values_to_compare() + return cmp(this, other) + + def __gt__(self, other): + return self.__cmp__(other) > 0 + + def __lt__(self, other): + return self.__cmp__(other) < 0 + + def __ge__(self, other): + return self.__cmp__(other) >= 0 + + def __le__(self, other): + return self.__cmp__(other) <= 0 + + def __eq__(self, other): + return self.__cmp__(other) == 0 + + def __ne__(self, other): + return self.__cmp__(other) != 0 + + def clone(self): + return Message(*map(copy, (self.id, self.string, self.locations, + self.flags, self.auto_comments, + self.user_comments, self.previous_id, + self.lineno, self.context))) + + def check(self, catalog=None): + """Run various validation checks on the message. Some validations + are only performed if the catalog is provided. This method returns + a sequence of `TranslationError` objects. + + :rtype: ``iterator`` + :param catalog: A catalog instance that is passed to the checkers + :see: `Catalog.check` for a way to perform checks for all messages + in a catalog. + """ + from babel.messages.checkers import checkers + errors = [] + for checker in checkers: + try: + checker(catalog, self) + except TranslationError as e: + errors.append(e) + return errors + + @property + def fuzzy(self): + """Whether the translation is fuzzy. + + >>> Message('foo').fuzzy + False + >>> msg = Message('foo', 'foo', flags=['fuzzy']) + >>> msg.fuzzy + True + >>> msg + <Message 'foo' (flags: ['fuzzy'])> + + :type: `bool`""" + return 'fuzzy' in self.flags + + @property + def pluralizable(self): + """Whether the message is plurizable. + + >>> Message('foo').pluralizable + False + >>> Message(('foo', 'bar')).pluralizable + True + + :type: `bool`""" + return isinstance(self.id, (list, tuple)) + + @property + def python_format(self): + """Whether the message contains Python-style parameters. + + >>> Message('foo %(name)s bar').python_format + True + >>> Message(('foo %(name)s', 'foo %(name)s')).python_format + True + + :type: `bool`""" + ids = self.id + if not isinstance(ids, (list, tuple)): + ids = [ids] + return any(PYTHON_FORMAT.search(id) for id in ids) + + +class TranslationError(Exception): + """Exception thrown by translation checkers when invalid message + translations are encountered.""" + + +DEFAULT_HEADER = u"""\ +# Translations template for PROJECT. +# Copyright (C) YEAR ORGANIZATION +# This file is distributed under the same license as the PROJECT project. +# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR. +#""" + + +if PY2: + def _parse_header(header_string): + # message_from_string only works for str, not for unicode + headers = message_from_string(header_string.encode('utf8')) + decoded_headers = {} + for name, value in headers.items(): + name = name.decode('utf8') + value = value.decode('utf8') + decoded_headers[name] = value + return decoded_headers + +else: + _parse_header = message_from_string + + +class Catalog(object): + """Representation of a message catalog.""" + + def __init__(self, locale=None, domain=None, header_comment=DEFAULT_HEADER, + project=None, version=None, copyright_holder=None, + msgid_bugs_address=None, creation_date=None, + revision_date=None, last_translator=None, language_team=None, + charset=None, fuzzy=True): + """Initialize the catalog object. + + :param locale: the locale identifier or `Locale` object, or `None` + if the catalog is not bound to a locale (which basically + means it's a template) + :param domain: the message domain + :param header_comment: the header comment as string, or `None` for the + default header + :param project: the project's name + :param version: the project's version + :param copyright_holder: the copyright holder of the catalog + :param msgid_bugs_address: the email address or URL to submit bug + reports to + :param creation_date: the date the catalog was created + :param revision_date: the date the catalog was revised + :param last_translator: the name and email of the last translator + :param language_team: the name and email of the language team + :param charset: the encoding to use in the output (defaults to utf-8) + :param fuzzy: the fuzzy bit on the catalog header + """ + self.domain = domain + if locale: + locale = Locale.parse(locale) + self.locale = locale + self._header_comment = header_comment + self._messages = odict() + + self.project = project or 'PROJECT' + self.version = version or 'VERSION' + self.copyright_holder = copyright_holder or 'ORGANIZATION' + self.msgid_bugs_address = msgid_bugs_address or 'EMAIL@ADDRESS' + + self.last_translator = last_translator or 'FULL NAME <EMAIL@ADDRESS>' + """Name and email address of the last translator.""" + self.language_team = language_team or 'LANGUAGE <LL@li.org>' + """Name and email address of the language team.""" + + self.charset = charset or 'utf-8' + + if creation_date is None: + creation_date = datetime.now(LOCALTZ) + elif isinstance(creation_date, datetime) and not creation_date.tzinfo: + creation_date = creation_date.replace(tzinfo=LOCALTZ) + self.creation_date = creation_date + if revision_date is None: + revision_date = 'YEAR-MO-DA HO:MI+ZONE' + elif isinstance(revision_date, datetime) and not revision_date.tzinfo: + revision_date = revision_date.replace(tzinfo=LOCALTZ) + self.revision_date = revision_date + self.fuzzy = fuzzy + + self.obsolete = odict() # Dictionary of obsolete messages + self._num_plurals = None + self._plural_expr = None + + def _get_header_comment(self): + comment = self._header_comment + year = datetime.now(LOCALTZ).strftime('%Y') + if hasattr(self.revision_date, 'strftime'): + year = self.revision_date.strftime('%Y') + comment = comment.replace('PROJECT', self.project) \ + .replace('VERSION', self.version) \ + .replace('YEAR', year) \ + .replace('ORGANIZATION', self.copyright_holder) + if self.locale: + comment = comment.replace('Translations template', '%s translations' + % self.locale.english_name) + return comment + + def _set_header_comment(self, string): + self._header_comment = string + + header_comment = property(_get_header_comment, _set_header_comment, doc="""\ + The header comment for the catalog. + + >>> catalog = Catalog(project='Foobar', version='1.0', + ... copyright_holder='Foo Company') + >>> print(catalog.header_comment) #doctest: +ELLIPSIS + # Translations template for Foobar. + # Copyright (C) ... Foo Company + # This file is distributed under the same license as the Foobar project. + # FIRST AUTHOR <EMAIL@ADDRESS>, .... + # + + The header can also be set from a string. Any known upper-case variables + will be replaced when the header is retrieved again: + + >>> catalog = Catalog(project='Foobar', version='1.0', + ... copyright_holder='Foo Company') + >>> catalog.header_comment = '''\\ + ... # The POT for my really cool PROJECT project. + ... # Copyright (C) 1990-2003 ORGANIZATION + ... # This file is distributed under the same license as the PROJECT + ... # project. + ... #''' + >>> print(catalog.header_comment) + # The POT for my really cool Foobar project. + # Copyright (C) 1990-2003 Foo Company + # This file is distributed under the same license as the Foobar + # project. + # + + :type: `unicode` + """) + + def _get_mime_headers(self): + headers = [] + headers.append(('Project-Id-Version', + '%s %s' % (self.project, self.version))) + headers.append(('Report-Msgid-Bugs-To', self.msgid_bugs_address)) + headers.append(('POT-Creation-Date', + format_datetime(self.creation_date, 'yyyy-MM-dd HH:mmZ', + locale='en'))) + if isinstance(self.revision_date, (datetime, time_) + number_types): + headers.append(('PO-Revision-Date', + format_datetime(self.revision_date, + 'yyyy-MM-dd HH:mmZ', locale='en'))) + else: + headers.append(('PO-Revision-Date', self.revision_date)) + headers.append(('Last-Translator', self.last_translator)) + if self.locale is not None: + headers.append(('Language', str(self.locale))) + if (self.locale is not None) and ('LANGUAGE' in self.language_team): + headers.append(('Language-Team', + self.language_team.replace('LANGUAGE', + str(self.locale)))) + else: + headers.append(('Language-Team', self.language_team)) + if self.locale is not None: + headers.append(('Plural-Forms', self.plural_forms)) + headers.append(('MIME-Version', '1.0')) + headers.append(('Content-Type', + 'text/plain; charset=%s' % self.charset)) + headers.append(('Content-Transfer-Encoding', '8bit')) + headers.append(('Generated-By', 'Babel %s\n' % VERSION)) + return headers + + def _set_mime_headers(self, headers): + for name, value in headers: + name = name.lower() + if name == 'project-id-version': + parts = value.split(' ') + self.project = u' '.join(parts[:-1]) + self.version = parts[-1] + elif name == 'report-msgid-bugs-to': + self.msgid_bugs_address = value + elif name == 'last-translator': + self.last_translator = value + elif name == 'language-team': + self.language_team = value + elif name == 'content-type': + mimetype, params = parse_header(value) + if 'charset' in params: + self.charset = params['charset'].lower() + elif name == 'plural-forms': + _, params = parse_header(' ;' + value) + self._num_plurals = int(params.get('nplurals', 2)) + self._plural_expr = params.get('plural', '(n != 1)') + elif name == 'pot-creation-date': + self.creation_date = _parse_datetime_header(value) + elif name == 'po-revision-date': + # Keep the value if it's not the default one + if 'YEAR' not in value: + self.revision_date = _parse_datetime_header(value) + + mime_headers = property(_get_mime_headers, _set_mime_headers, doc="""\ + The MIME headers of the catalog, used for the special ``msgid ""`` entry. + + The behavior of this property changes slightly depending on whether a locale + is set or not, the latter indicating that the catalog is actually a template + for actual translations. + + Here's an example of the output for such a catalog template: + + >>> from babel.dates import UTC + >>> created = datetime(1990, 4, 1, 15, 30, tzinfo=UTC) + >>> catalog = Catalog(project='Foobar', version='1.0', + ... creation_date=created) + >>> for name, value in catalog.mime_headers: + ... print('%s: %s' % (name, value)) + Project-Id-Version: Foobar 1.0 + Report-Msgid-Bugs-To: EMAIL@ADDRESS + POT-Creation-Date: 1990-04-01 15:30+0000 + PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE + Last-Translator: FULL NAME <EMAIL@ADDRESS> + Language-Team: LANGUAGE <LL@li.org> + MIME-Version: 1.0 + Content-Type: text/plain; charset=utf-8 + Content-Transfer-Encoding: 8bit + Generated-By: Babel ... + + And here's an example of the output when the locale is set: + + >>> revised = datetime(1990, 8, 3, 12, 0, tzinfo=UTC) + >>> catalog = Catalog(locale='de_DE', project='Foobar', version='1.0', + ... creation_date=created, revision_date=revised, + ... last_translator='John Doe <jd@example.com>', + ... language_team='de_DE <de@example.com>') + >>> for name, value in catalog.mime_headers: + ... print('%s: %s' % (name, value)) + Project-Id-Version: Foobar 1.0 + Report-Msgid-Bugs-To: EMAIL@ADDRESS + POT-Creation-Date: 1990-04-01 15:30+0000 + PO-Revision-Date: 1990-08-03 12:00+0000 + Last-Translator: John Doe <jd@example.com> + Language: de_DE + Language-Team: de_DE <de@example.com> + Plural-Forms: nplurals=2; plural=(n != 1) + MIME-Version: 1.0 + Content-Type: text/plain; charset=utf-8 + Content-Transfer-Encoding: 8bit + Generated-By: Babel ... + + :type: `list` + """) + + @property + def num_plurals(self): + """The number of plurals used by the catalog or locale. + + >>> Catalog(locale='en').num_plurals + 2 + >>> Catalog(locale='ga').num_plurals + 3 + + :type: `int`""" + if self._num_plurals is None: + num = 2 + if self.locale: + num = get_plural(self.locale)[0] + self._num_plurals = num + return self._num_plurals + + @property + def plural_expr(self): + """The plural expression used by the catalog or locale. + + >>> Catalog(locale='en').plural_expr + '(n != 1)' + >>> Catalog(locale='ga').plural_expr + '(n==1 ? 0 : n==2 ? 1 : 2)' + + :type: `string_types`""" + if self._plural_expr is None: + expr = '(n != 1)' + if self.locale: + expr = get_plural(self.locale)[1] + self._plural_expr = expr + return self._plural_expr + + @property + def plural_forms(self): + """Return the plural forms declaration for the locale. + + >>> Catalog(locale='en').plural_forms + 'nplurals=2; plural=(n != 1)' + >>> Catalog(locale='pt_BR').plural_forms + 'nplurals=2; plural=(n > 1)' + + :type: `str`""" + return 'nplurals=%s; plural=%s' % (self.num_plurals, self.plural_expr) + + def __contains__(self, id): + """Return whether the catalog has a message with the specified ID.""" + return self._key_for(id) in self._messages + + def __len__(self): + """The number of messages in the catalog. + + This does not include the special ``msgid ""`` entry.""" + return len(self._messages) + + def __iter__(self): + """Iterates through all the entries in the catalog, in the order they + were added, yielding a `Message` object for every entry. + + :rtype: ``iterator``""" + buf = [] + for name, value in self.mime_headers: + buf.append('%s: %s' % (name, value)) + flags = set() + if self.fuzzy: + flags |= set(['fuzzy']) + yield Message(u'', '\n'.join(buf), flags=flags) + for key in self._messages: + yield self._messages[key] + + def __repr__(self): + locale = '' + if self.locale: + locale = ' %s' % self.locale + return '<%s %r%s>' % (type(self).__name__, self.domain, locale) + + def __delitem__(self, id): + """Delete the message with the specified ID.""" + self.delete(id) + + def __getitem__(self, id): + """Return the message with the specified ID. + + :param id: the message ID + """ + return self.get(id) + + def __setitem__(self, id, message): + """Add or update the message with the specified ID. + + >>> catalog = Catalog() + >>> catalog[u'foo'] = Message(u'foo') + >>> catalog[u'foo'] + <Message u'foo' (flags: [])> + + If a message with that ID is already in the catalog, it is updated + to include the locations and flags of the new message. + + >>> catalog = Catalog() + >>> catalog[u'foo'] = Message(u'foo', locations=[('main.py', 1)]) + >>> catalog[u'foo'].locations + [('main.py', 1)] + >>> catalog[u'foo'] = Message(u'foo', locations=[('utils.py', 5)]) + >>> catalog[u'foo'].locations + [('main.py', 1), ('utils.py', 5)] + + :param id: the message ID + :param message: the `Message` object + """ + assert isinstance(message, Message), 'expected a Message object' + key = self._key_for(id, message.context) + current = self._messages.get(key) + if current: + if message.pluralizable and not current.pluralizable: + # The new message adds pluralization + current.id = message.id + current.string = message.string + current.locations = list(distinct(current.locations + + message.locations)) + current.auto_comments = list(distinct(current.auto_comments + + message.auto_comments)) + current.user_comments = list(distinct(current.user_comments + + message.user_comments)) + current.flags |= message.flags + message = current + elif id == '': + # special treatment for the header message + self.mime_headers = _parse_header(message.string).items() + self.header_comment = '\n'.join([('# %s' % c).rstrip() for c + in message.user_comments]) + self.fuzzy = message.fuzzy + else: + if isinstance(id, (list, tuple)): + assert isinstance(message.string, (list, tuple)), \ + 'Expected sequence but got %s' % type(message.string) + self._messages[key] = message + + def add(self, id, string=None, locations=(), flags=(), auto_comments=(), + user_comments=(), previous_id=(), lineno=None, context=None): + """Add or update the message with the specified ID. + + >>> catalog = Catalog() + >>> catalog.add(u'foo') + <Message ...> + >>> catalog[u'foo'] + <Message u'foo' (flags: [])> + + This method simply constructs a `Message` object with the given + arguments and invokes `__setitem__` with that object. + + :param id: the message ID, or a ``(singular, plural)`` tuple for + pluralizable messages + :param string: the translated message string, or a + ``(singular, plural)`` tuple for pluralizable messages + :param locations: a sequence of ``(filenname, lineno)`` tuples + :param flags: a set or sequence of flags + :param auto_comments: a sequence of automatic comments + :param user_comments: a sequence of user comments + :param previous_id: the previous message ID, or a ``(singular, plural)`` + tuple for pluralizable messages + :param lineno: the line number on which the msgid line was found in the + PO file, if any + :param context: the message context + """ + message = Message(id, string, list(locations), flags, auto_comments, + user_comments, previous_id, lineno=lineno, + context=context) + self[id] = message + return message + + def check(self): + """Run various validation checks on the translations in the catalog. + + For every message which fails validation, this method yield a + ``(message, errors)`` tuple, where ``message`` is the `Message` object + and ``errors`` is a sequence of `TranslationError` objects. + + :rtype: ``iterator`` + """ + for message in self._messages.values(): + errors = message.check(catalog=self) + if errors: + yield message, errors + + def get(self, id, context=None): + """Return the message with the specified ID and context. + + :param id: the message ID + :param context: the message context, or ``None`` for no context + """ + return self._messages.get(self._key_for(id, context)) + + def delete(self, id, context=None): + """Delete the message with the specified ID and context. + + :param id: the message ID + :param context: the message context, or ``None`` for no context + """ + key = self._key_for(id, context) + if key in self._messages: + del self._messages[key] + + def update(self, template, no_fuzzy_matching=False, update_header_comment=False): + """Update the catalog based on the given template catalog. + + >>> from babel.messages import Catalog + >>> template = Catalog() + >>> template.add('green', locations=[('main.py', 99)]) + <Message ...> + >>> template.add('blue', locations=[('main.py', 100)]) + <Message ...> + >>> template.add(('salad', 'salads'), locations=[('util.py', 42)]) + <Message ...> + >>> catalog = Catalog(locale='de_DE') + >>> catalog.add('blue', u'blau', locations=[('main.py', 98)]) + <Message ...> + >>> catalog.add('head', u'Kopf', locations=[('util.py', 33)]) + <Message ...> + >>> catalog.add(('salad', 'salads'), (u'Salat', u'Salate'), + ... locations=[('util.py', 38)]) + <Message ...> + + >>> catalog.update(template) + >>> len(catalog) + 3 + + >>> msg1 = catalog['green'] + >>> msg1.string + >>> msg1.locations + [('main.py', 99)] + + >>> msg2 = catalog['blue'] + >>> msg2.string + u'blau' + >>> msg2.locations + [('main.py', 100)] + + >>> msg3 = catalog['salad'] + >>> msg3.string + (u'Salat', u'Salate') + >>> msg3.locations + [('util.py', 42)] + + Messages that are in the catalog but not in the template are removed + from the main collection, but can still be accessed via the `obsolete` + member: + + >>> 'head' in catalog + False + >>> list(catalog.obsolete.values()) + [<Message 'head' (flags: [])>] + + :param template: the reference catalog, usually read from a POT file + :param no_fuzzy_matching: whether to use fuzzy matching of message IDs + """ + messages = self._messages + remaining = messages.copy() + self._messages = odict() + + # Prepare for fuzzy matching + fuzzy_candidates = [] + if not no_fuzzy_matching: + fuzzy_candidates = dict([ + (self._key_for(msgid), messages[msgid].context) + for msgid in messages if msgid and messages[msgid].string + ]) + fuzzy_matches = set() + + def _merge(message, oldkey, newkey): + message = message.clone() + fuzzy = False + if oldkey != newkey: + fuzzy = True + fuzzy_matches.add(oldkey) + oldmsg = messages.get(oldkey) + if isinstance(oldmsg.id, string_types): + message.previous_id = [oldmsg.id] + else: + message.previous_id = list(oldmsg.id) + else: + oldmsg = remaining.pop(oldkey, None) + message.string = oldmsg.string + if isinstance(message.id, (list, tuple)): + if not isinstance(message.string, (list, tuple)): + fuzzy = True + message.string = tuple( + [message.string] + ([u''] * (len(message.id) - 1)) + ) + elif len(message.string) != self.num_plurals: + fuzzy = True + message.string = tuple(message.string[:len(oldmsg.string)]) + elif isinstance(message.string, (list, tuple)): + fuzzy = True + message.string = message.string[0] + message.flags |= oldmsg.flags + if fuzzy: + message.flags |= set([u'fuzzy']) + self[message.id] = message + + for message in template: + if message.id: + key = self._key_for(message.id, message.context) + if key in messages: + _merge(message, key, key) + else: + if no_fuzzy_matching is False: + # do some fuzzy matching with difflib + if isinstance(key, tuple): + matchkey = key[0] # just the msgid, no context + else: + matchkey = key + matches = get_close_matches(matchkey.lower().strip(), + fuzzy_candidates.keys(), 1) + if matches: + newkey = matches[0] + newctxt = fuzzy_candidates[newkey] + if newctxt is not None: + newkey = newkey, newctxt + _merge(message, newkey, key) + continue + + self[message.id] = message + + for msgid in remaining: + if no_fuzzy_matching or msgid not in fuzzy_matches: + self.obsolete[msgid] = remaining[msgid] + + if update_header_comment: + # Allow the updated catalog's header to be rewritten based on the + # template's header + self.header_comment = template.header_comment + + # Make updated catalog's POT-Creation-Date equal to the template + # used to update the catalog + self.creation_date = template.creation_date + + def _key_for(self, id, context=None): + """The key for a message is just the singular ID even for pluralizable + messages, but is a ``(msgid, msgctxt)`` tuple for context-specific + messages. + """ + key = id + if isinstance(key, (list, tuple)): + key = id[0] + if context is not None: + key = (key, context) + return key |