I'm having some problems getting Babel to extract internationalizable text
from Jinja2 templates.
Here's my setup: I've got a mymodule directory which contains an
__init__.py and a templates subdirectory which contains a Jinja2 template. See
the following shell session transcript:
#--------------------------------------------------------
vinay:~/projects/scratch$ ls mymodule
__init__.py __init__.pyc templates
vinay:~/projects/scratch$ cat mymodule/__init__.py
from gettext import gettext as _
def main():
print(_('Hello, world!'))
if __name__ == "__main__":
main()
vinay:~/projects/scratch$ ls mymodule/templates
index.html
vinay:~/projects/scratch$ cat mymodule/templates/index.html
{% trans}This should be translatable.{% endtrans %}
#--------------------------------------------------------
Now, I create a clean virtualenv workspace (I'm using virtualenvwrapper):
#--------------------------------------------------------
vinay:~/projects/scratch$ mkvirtualenv scratch --no-site-packages
New python executable in scratch/bin/python
Installing setuptools............done.
vinay:~/projects/scratch$ workon scratch
#--------------------------------------------------------
I now install vanilla Babel and Jinja2 from PyPI.
#--------------------------------------------------------
(scratch)vinay:~/projects/scratch$ easy_install Babel Jinja2
[snip]
Finished processing dependencies for Babel
[snip]
Finished processing dependencies for Jinja2
#--------------------------------------------------------
I've got a babel.cfg file which specifies extraction of messages from Python
source and Jinja2 templates:
#--------------------------------------------------------
(scratch)vinay:~/projects/scratch$ cat babel.cfg
[python: **.py]
[jinja2: **/templates/**.html]
encoding = utf-8
#--------------------------------------------------------
I now try to extract messages:
#--------------------------------------------------------
(scratch)vinay:~/projects/scratch$ pybabel -v extract mymodule -o mymodule.pot
extracting messages from mymodule/__init__.py
writing PO template file to mymodule.pot
#--------------------------------------------------------
Note that Babel only appears to have extracted from __init__.py, and not from
the template. This is confirmed by looking at the POT file:
#--------------------------------------------------------
(scratch)vinay:~/projects/scratch$ cat mymodule.pot
# Translations template for PROJECT.
# Copyright (C) 2010 ORGANIZATION
# This file is distributed under the same license as the PROJECT project.
# FIRST AUTHOR <em...@address>, 2010.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PROJECT VERSION\n"
"Report-Msgid-Bugs-To: em...@address\n"
"POT-Creation-Date: 2010-02-16 10:39+0000\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <em...@address>\n"
"Language-Team: LANGUAGE <[email protected]>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=utf-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Generated-By: Babel 0.9.4\n"
#: mymodule/__init__.py:4
msgid "Hello, world!"
msgstr ""
#--------------------------------------------------------
Any ideas why the Jinja2 text isn't being extracted? It's probably something
simple that I've missed. All help gratefully received.
Regards,
Vinay Sajip
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