def plugin_unloaded(self, pluginName):
"""Remove all node types registered by pluginName unless they have been
registered by a third party. We cannot assume that they listen to these events,
hence we just keep the record as it will not harm.
In any way, we will remove any record of the plugin from our db"""
self.log.debug("plugin '%s' unloaded" % pluginName)
# clear our record
installed_type_names = self[pluginName]
del(self[pluginName])
# deregister types if possible
nt = globals()
for tn in installed_type_names:
tnc = capitalize(tn)
try:
node_type = nt[tnc]
except KeyError:
# wasnt registered anymore ?
self.log.warn("Type %s of unloaded plugin %s was already de-registered in mrv type system - skipped" % (tnc, pluginName))
continue
# END handle exception
# remove the type only if it was one of our unknown default types
parentclsname = node_type.__base__.__name__
if not parentclsname.startswith('Unknown'):
continue
# END skip custom nodes
typ._removeCustomType(nt, tnc)
def removeCustomType( customType ): """Removes the given type from this module as well as from the type hierarchy. This makes it unavailble to MRV :param customType: either string identifying the type's name or the type itself :note: does nothing if the type does not exist""" if not isinstance(customType, basestring): customType = customType.__name__ typ._removeCustomType(globals(), customType)
