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"""A simple example of how to use IPython.config.application.Application.
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This should serve as a simple example that shows how the IPython config
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system works. The main classes are:
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* IPython.config.configurable.Configurable
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* IPython.config.configurable.SingletonConfigurable
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* IPython.config.loader.Config
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* IPython.config.application.Application
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"""
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import sys
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from IPython.config.configurable import Configurable
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from IPython.config.application import Application
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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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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="enabled", help="Enable bar.")
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class MyApp(Application):
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app_name = Unicode(u'myapp')
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running = Bool(False, config=True, shortname="running",
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help="Is the app running?")
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classes = List([Bar, Foo])
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config_file = Unicode(u'', config=True, shortname="config_file",
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help="Load this config file")
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def init_foo(self):
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self.foo = Foo(config=self.config)
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def init_bar(self):
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self.bar = Bar(config=self.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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if app.config_file:
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app.load_config_file(app.config_file)
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app.init_foo()
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app.init_bar()
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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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