使用Babel CLI提取器提取Javascript gettext消息 [英] Extracting Javascript gettext messages using Babel CLI extractor

问题描述

此处表明Babel可以提取Python和Javascript的gettext消息文件。

It is stated here that Babel can extract gettext messages for Python and Javascript files.

Babel附带一些内置提取器：python（从Python源文件中提取
消息），javascript和忽略（
不提取任何东西）。

Babel comes with a few builtin extractors: python (which extracts messages from Python source files), javascript, and ignore (which extracts nothing).

命令行提取器记录在案这里 - 但没有使用示例。

The command line extractor is documented here - but with no examples on usage.

同样在上面的同一指针，提到了一个用于提取的配置文件但是没有太多扩展。

Also in the same pointer above, there is some mention of a config file to be used with extraction, but not much expanded on.

当我使用js文件在dir上运行提取器的基本命令时，我只获得了生成的.PO头但没有消息。

When I run the basic command for the extractor on a dir with js files, I get only the .PO header generated but no messages.

$ pybabel extract   /path/to/js-dir

# Translations template for PROJECT.
# Copyright (C) 2012 ORGANIZATION
# This file is distributed under the same license as the PROJECT project.
# FIRST AUTHOR <EMAIL@ADDRESS>, 2012.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PROJECT VERSION\n"
"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
"POT-Creation-Date: 2012-04-22 19:39+1000\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <[e-mail]>\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=utf-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Generated-By: Babel 0.9.6\n"

$ 

以下是来自js文件的示例段我正在尝试为以下内容提取消息：

Here is a sample segment from a js file I'm trying to extract messages for:

else if(data.status == "1"){
    var follow_html = gettext('Follow');
    object.attr("class", 'button follow');
    object.html(follow_html);
    var fav = getFavoriteNumber();
    fav.removeClass("my-favorite-number");
    if(data.count === 0){
        data.count = '';
        fav.text('');
    }else{
        var fmts = ngettext('%s follower', '%s followers', data.count);
        fav.text(interpolate(fmts, [data.count]));
    }
}

如果有人能提供精确的CLI选项，我将不胜感激和配置设置以使提取工作，或指向这样的指针。

I would appreciate it if someone can provide exact CLI options and config settings to make the extraction work, or a pointer to such.

推荐答案

创建一个文件（ babel.cfg ）包含以下内容：

Create a file (babel.cfg) with the following content:

[javascript:*.js]
encoding = utf-8

然后，执行：

pybabel extract -F babel.cfg /path/to/js-dir

这应该足以让你有一些消息字符串。

That should be enough for you to have some message strings.

BTW，你可以参考提取的帮助执行命令：

BTW, you can consult the help for the extract command by doing:

pybabel extract --help

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