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import sys
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from IPython.config.configurable import Configurable
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from IPython.utils.traitlets import (
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Bool, Unicode, Int, Float, List
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)
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from IPython.config.loader import KeyValueConfigLoader
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class Foo(Configurable):
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i = Int(0, config=True, shortname='i', help="The integer i.")
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j = Int(1, config=True, shortname='j', help="The integer j.")
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name = Unicode(u'Brian', config=True, shortname='name', help="First name.")
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class Bar(Configurable):
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enabled = Bool(True, config=True, shortname="bar-enabled", help="Enable bar.")
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class MyApp(Configurable):
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app_name = Unicode(u'myapp', config=True, shortname="myapp", help="The app name.")
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running = Bool(False, config=True, shortname="running", help="Is the app running?")
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classes = List([Bar, Foo])
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def __init__(self, **kwargs):
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Configurable.__init__(self, **kwargs)
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self.classes.insert(0, self.__class__)
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def print_help(self):
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for cls in self.classes:
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cls.class_print_help()
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print
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def parse_command_line(self, argv=None):
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if argv is None:
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argv = sys.argv[1:]
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if '-h' in argv or '--h' in argv:
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self.print_help()
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sys.exit(1)
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loader = KeyValueConfigLoader(argv=argv, classes=self.classes)
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config = loader.load_config()
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self.config = config
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def main():
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app = MyApp()
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app.parse_command_line()
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print "app.config:"
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print app.config
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if __name__ == "__main__":
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main()
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