|
|
# encoding: utf-8
|
|
|
"""IPython plugins.
|
|
|
|
|
|
Authors:
|
|
|
|
|
|
* Brian Granger
|
|
|
"""
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Copyright (C) 2010-2011 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 name in self.plugins:
|
|
|
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
|
|
|
|
