Babel不承认语言支持的jinja2提取方法

Question

我正在为我的项目添加语言翻译支持.代码在Python上,在html文件中有jinja2和Javascript.

我正在尝试使用Babel进行翻译,但它无法识别jinja2的提取方法.也许我使用的名称不正确.

这是我的ini文件:

# Extraction from Python source files
[python: **.py]
# Extraction from Jinja2 template files
[jinja2: **.html]
# Extraction from JavaScript files
[javascript: **.js]
extract_messages = $._, jQuery._

这是我收到的错误;

C:\>python Babel-0.9.6/babel/messages/frontend.py extract --project=GV --version=1 --no-location -o locale\messages.pot -F babel.ini frontend te
mplates
extracting messages from frontend\__init__.py
INFO:babel:extracting messages from frontend\__init__.py
...
Traceback (most recent call last):
  File "Babel-0.9.6/babel/messages/frontend.py", line 1208, in <module>
    main()
  File "Babel-0.9.6/babel/messages/frontend.py", line 1107, in main
    return CommandLineInterface().run(sys.argv)
  File "Babel-0.9.6/babel/messages/frontend.py", line 651, in run
    return getattr(self, cmdname)(args[1:])
  File "Babel-0.9.6/babel/messages/frontend.py", line 912, in extract
    for filename, lineno, message, comments in extracted:
  File "c:\Python27\lib\site-packages\babel-0.9.6-py2.7.egg\babel\messages\extract.py", line 172, in extract_from_dir
    strip_comment_tags):
  File "c:\Python27\lib\site-packages\babel-0.9.6-py2.7.egg\babel\messages\extract.py", line 202, in extract_from_file
    strip_comment_tags))
  File "c:\Python27\lib\site-packages\babel-0.9.6-py2.7.egg\babel\messages\extract.py", line 271, in extract
    raise ValueError('Unknown extraction method %r' % method)
ValueError: Unknown extraction method 'jinja2'
Press any key to continue . . .

有任何想法吗？谢谢,加迪

Answer 1

我看到你的问题仍未得到答复.您的问题与重新安装我的开发环境后的问题类似:

$ pybabel extract -F babel.cfg -o messages.pot .
extracting messages from admin.py
:
extracting messages from templates/404.html (extensions="jinja2.ext.autoescape,jinja2.ext.with_")
Traceback (most recent call last):
  File "/usr/local/bin/pybabel", line 9, in <module>
    load_entry_point('Babel==0.9.6', 'console_scripts', 'pybabel')()
  File "/usr/local/lib/python2.7/dist-packages/Babel-0.9.6-py2.7.egg/babel/messages/frontend.py", line 1107, in main
    return CommandLineInterface().run(sys.argv)
  File "/usr/local/lib/python2.7/dist-packages/Babel-0.9.6-py2.7.egg/babel/messages/frontend.py", line 651, in run
    return getattr(self, cmdname)(args[1:])
  File "/usr/local/lib/python2.7/dist-packages/Babel-0.9.6-py2.7.egg/babel/messages/frontend.py", line 912, in extract
    for filename, lineno, message, comments in extracted:
  File "/usr/local/lib/python2.7/dist-packages/Babel-0.9.6-py2.7.egg/babel/messages/extract.py", line 171, in extract_from_dir
    strip_comment_tags):
  File "/usr/local/lib/python2.7/dist-packages/Babel-0.9.6-py2.7.egg/babel/messages/extract.py", line 201, in extract_from_file
    strip_comment_tags))
  File "/usr/local/lib/python2.7/dist-packages/Babel-0.9.6-py2.7.egg/babel/messages/extract.py", line 270, in extract
    raise ValueError('Unknown extraction method %r' % method)
ValueError: Unknown extraction method 'jinja2'

原来我忘了安装jinja2.由于服务器环境已安装,我没有先注意到它.经过安装与使用Jinja2:

$ sudo pip install jinja2

提取完成:

$ pybabel extract -F babel.cfg -o messages.pot .
extracting messages from admin.py
:
extracting messages from test/item_tests.py
writing PO template file to messages.pot