sphinx/sphinx/builders/gettext.py
2011-10-08 16:04:42 +02:00

131 lines
4.0 KiB
Python

# -*- coding: utf-8 -*-
"""
sphinx.builders.gettext
~~~~~~~~~~~~~~~~~~~~~~~
The MessageCatalogBuilder class.
:copyright: Copyright 2007-2011 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from os import path
from codecs import open
from datetime import datetime
from collections import defaultdict
from sphinx.builders import Builder
from sphinx.util.nodes import extract_messages
from sphinx.util.osutil import SEP, safe_relpath, ensuredir, find_catalog
from sphinx.util.console import darkgreen
POHEADER = ur"""
# SOME DESCRIPTIVE TITLE.
# Copyright (C) %(copyright)s
# This file is distributed under the same license as the %(project)s package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: %(project)s %(version)s\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: %(ctime)s\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"""[1:]
class Catalog(object):
"""Catalog of translatable messages."""
def __init__(self):
self.messages = [] # retain insertion order, a la OrderedDict
self.metadata = {} # msgid -> file, line, uid
def add(self, msg, origin):
if msg not in self.metadata: # faster lookup in hash
self.messages.append(msg)
self.metadata[msg] = []
self.metadata[msg].append((origin.source, origin.line, origin.uid))
class I18nBuilder(Builder):
"""
General i18n builder.
"""
name = 'i18n'
versioning_method = 'text'
def init(self):
Builder.init(self)
self.catalogs = defaultdict(Catalog)
def get_target_uri(self, docname, typ=None):
return ''
def get_outdated_docs(self):
return self.env.found_docs
def prepare_writing(self, docnames):
return
def write_doc(self, docname, doctree):
catalog = self.catalogs[find_catalog(docname,
self.config.gettext_compact)]
for node, msg in extract_messages(doctree):
catalog.add(msg, node)
class MessageCatalogBuilder(I18nBuilder):
"""
Builds gettext-style message catalogs (.pot files).
"""
name = 'gettext'
def finish(self):
I18nBuilder.finish(self)
data = dict(
version = self.config.version,
copyright = self.config.copyright,
project = self.config.project,
# XXX should supply tz
ctime = datetime.now().strftime('%Y-%m-%d %H:%M%z'),
)
for textdomain, catalog in self.status_iterator(
self.catalogs.iteritems(), "writing message catalogs... ",
lambda (textdomain, _):darkgreen(textdomain), len(self.catalogs)):
# noop if config.gettext_compact is set
ensuredir(path.join(self.outdir, path.dirname(textdomain)))
pofn = path.join(self.outdir, textdomain + '.pot')
pofile = open(pofn, 'w', encoding='utf-8')
try:
pofile.write(POHEADER % data)
for message in catalog.messages:
positions = catalog.metadata[message]
# generate "#: file1:line1\n#: file2:line2 ..."
pofile.write(u"#: %s\n" % "\n#: ".join("%s:%s" %
(safe_relpath(source, self.outdir), line)
for source, line, _ in positions))
# generate "# uuid1\n# uuid2\n ..."
pofile.write(u"# %s\n" % "\n# ".join(uid for _, _, uid
in positions))
# message contains *one* line of text ready for translation
message = message.replace(u'\\', ur'\\'). \
replace(u'"', ur'\"')
pofile.write(u'msgid "%s"\nmsgstr ""\n\n' % message)
finally:
pofile.close()