Python中的Director插件，你需要了解一下

前言

Director 是一个Python的类库用来开发命令行工具的插件，利用它可以很方便的添加新的功能。

下面是一个简单的例子：

#!/usr/bin/env python

import exceptions
import sys

from director import ActionRunner
from director.filter import ExceptionFilter
from director.filter import Filter

if __name__ == '__main__':
    # Create and use exception filters
    # Note you don't have to use filters. If you don't pass filter in
    # to ActionRunner.run filters won't be used.
    filter = Filter()
    filter.register_filter(ExceptionFilter(exceptions.IOError, "TEST %s"))
    filter.register_filter(ExceptionFilter(exceptions.TypeError, "NO! %s"))

    # 'actions.package' is the package that holds the allowed plugin actions
    ar = ActionRunner(sys.argv, 'actions.package')
    ar.run(filter)·

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