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plugin.py
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51 lines (37 loc) · 1.56 KB
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# encoding: utf-8
"""IPython plugins.
Authors:
* Brian Granger
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2010 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from IPython.config.configurable import Configurable
from IPython.utils.traitlets import Dict
#-----------------------------------------------------------------------------
# Main class
#-----------------------------------------------------------------------------
class PluginManager(Configurable):
"""A manager for IPython plugins."""
plugins = Dict({})
def __init__(self, config=None):
super(PluginManager, self).__init__(config=config)
def register_plugin(self, name, plugin):
if not isinstance(plugin, Plugin):
raise TypeError('Expected Plugin, got: %r' % plugin)
if self.plugins.has_key(name):
raise KeyError('Plugin with name already exists: %r' % name)
self.plugins[name] = plugin
def unregister_plugin(self, name):
del self.plugins[name]
def get_plugin(self, name, default=None):
return self.plugins.get(name, default)
class Plugin(Configurable):
"""Base class for IPython plugins."""
pass