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# encoding: utf-8
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"""IPython plugins.
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Authors:
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* Brian Granger
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"""
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#-----------------------------------------------------------------------------
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# Copyright (C) 2010 The IPython Development Team
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#
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# Distributed under the terms of the BSD License. The full license is in
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# the file COPYING, distributed as part of this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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from IPython.config.configurable import Configurable
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from IPython.utils.traitlets import Dict
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#-----------------------------------------------------------------------------
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# Main class
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#-----------------------------------------------------------------------------
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class PluginManager(Configurable):
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"""A manager for IPython plugins."""
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plugins = Dict({})
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def __init__(self, config=None):
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super(PluginManager, self).__init__(config=config)
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def register_plugin(self, name, plugin):
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if not isinstance(plugin, Plugin):
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raise TypeError('Expected Plugin, got: %r' % plugin)
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if self.plugins.has_key(name):
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raise KeyError('Plugin with name already exists: %r' % name)
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self.plugins[name] = plugin
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def unregister_plugin(self, name):
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del self.plugins[name]
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def get_plugin(self, name, default=None):
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return self.plugins.get(name, default)
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class Plugin(Configurable):
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"""Base class for IPython plugins."""
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pass
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