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i18n_extract_from_wml_source.py
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Tue, May 7, 08:14

i18n_extract_from_wml_source.py
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## This file is part of Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 CERN.
##
## Invenio 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 2 of the
## License, or (at your option) any later version.
##
## Invenio 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 Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""
This tool extracts sentences to be translated from HTML / WML source
files.
The sentences to translate are marked with the following tag:
Blah blah _(To be translated)_ blah.
These tags can span several lines. Extra whitespace is discarded.
"""
import sys, re, os
_tag_re = re.compile(r'_\((.*?)\)_', re.M)
_nl_re = re.compile('\n')
_ws_re = re.compile('\s+')
def print_usage():
"""Print usage info."""
print """Usage: %s <dirname> <potfiles-filename>
Description: Extract translatable strings from the list of files read
from potfiles-filename. The files specified there are
relative to dirname. Print results on stdout.
"""
return
def quote(text):
"""Normalize and quote a string for inclusion in the po file."""
return text.\
replace('\\', '\\\\').\
replace('\n', '\\\\n').\
replace('\t', '\\\\t').\
replace('"', '\\"')
def extract_from_wml_files(dirname, potfiles_filename):
"""Extract translatable strings from the list of files read from
potfiles_filename. The files specified there are relative to
dirname. Print results on stdout.
"""
## extract messages and fill db:
db = {}
for f in [ f.strip() for f in open(potfiles_filename) ]:
if not f or f.startswith('#'):
continue
f = f.rstrip(' \\')
data = open(dirname + "/" + f).read()
lines = [0]
for m in _nl_re.finditer(data):
lines.append(m.end())
for m in _tag_re.finditer(data.replace('\n', ' ')):
word = m.group(1)
pos = m.start()
line = len([x for x in lines if x < pos])
ref = '%s:%d' % (f, line)
# normalize the word a bit, as it comes from a file where
# whitespace is not too significant.
word = _ws_re.sub(' ', word.strip())
db.setdefault(word, []).append(ref)
## print po header:
print r'''
# # This file is part of Invenio.
# # Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 CERN.
# #
# # Invenio 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 2 of the
# # License, or (at your option) any later version.
# #
# # Invenio 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 Invenio; if not, write to the Free Software Foundation, Inc.,
# # 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
msgid ""
msgstr ""
"Project-Id-Version: Invenio 0.7\n"
"POT-Creation-Date: Tue Nov 22 16:44:03 2005\n"
"PO-Revision-Date: 2005-11-22 11:20+0100\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"
"Generated-By: pygettext.py 1.5\n"
'''
## print po content from db:
for original, refs in db.items():
for ref in refs:
print "#: %s" % ref
print 'msgid "%s"' % quote(original)
print 'msgstr ""'
print
return
if __name__ == "__main__":
if len(sys.argv) == 3:
dirname = sys.argv[1]
potfiles_filename = sys.argv[2]
if not os.path.isdir(dirname):
print "ERROR: %s is not a directory." % dirname
print_usage()
sys.exit(1)
elif not os.path.isfile(potfiles_filename):
print "ERROR: %s is not a file." % potfiles_filename
print_usage()
sys.exit(1)
else:
extract_from_wml_files(sys.argv[1], sys.argv[2])
else:
print_usage()

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