import imp
import sys
import os


class ActionsLoader:
	def __init__(self):
		self._actions = {}
	def keys(self):
		return self._actions.keys()
	def _getmodule(self, name):
		modpath = os.path.join(os.path.dirname(__file__), 'actions')
		fp, pathname, description = imp.find_module(name, [modpath])
		try:
			return imp.load_module(name, fp, pathname, description)
		finally:
			if fp:
				fp.close()
	def __getitem__(self, item):
		mname, fname = self._actions[item]
		return self._getmodule(mname).__dict__[fname]
	def __setitem__(self, key, value):
		self._actions[key] = value
		

actions = ActionsLoader()
actions['default'] = ('index', 'do_it')
actions['index'] = ('index', 'do_it')
actions['edit'] = ('edit', 'do_it')
actions['import'] = ('imp_xbel', 'do_it')
actions['add'] = ('add', 'do_it')
actions['keywords'] = ('editkw', 'do_it')