Remove class_load_hooks and ClassLoadHook

envisage/api.py

@@ -20,7 +20,6 @@
 from .i_service_registry import IServiceRegistry
 
 from .application import Application
-from .class_load_hook import ClassLoadHook
 from .egg_plugin_manager import EggPluginManager
 from .extension_registry import ExtensionRegistry
 from .extension_point import ExtensionPoint, contributes_to

envisage/core_plugin.py

@@ -12,7 +12,7 @@
 
 # Enthought library imports.
 from envisage.api import ExtensionPoint, Plugin, ServiceOffer
-from traits.api import List, Instance, on_trait_change, Str
+from traits.api import List, on_trait_change, Str
 
 
 class CorePlugin(Plugin):
@@ -28,7 +28,6 @@ class CorePlugin(Plugin):
     """
 
     # Extension point Ids.
-    CLASS_LOAD_HOOKS = "envisage.class_load_hooks"
     PREFERENCES = "envisage.preferences"
     SERVICE_OFFERS = "envisage.service_offers"
 
@@ -42,32 +41,6 @@ class CorePlugin(Plugin):
 
     #### Extension points offered by this plugin ##############################
 
-    class_load_hooks = ExtensionPoint(
-        List(Instance("envisage.class_load_hook.ClassLoadHook")),
-        id=CLASS_LOAD_HOOKS,
-        desc="""
-
-        Class load hooks allow you to be notified when any 'HasTraits' class
-        is imported or created.
-
-        See the documentation for 'ClassLoadHook' for more details.
-
-        """,
-    )
-
-    @on_trait_change("class_load_hooks_items")
-    def _class_load_hooks_changed(self, event):
-        """ React to new class load hooks being *added*.
-
-        Note that we don't currently do anything if class load hooks are
-        *removed*.
-
-        """
-
-        self._connect_class_load_hooks(event.added)
-
-        return
-
     preferences = ExtensionPoint(
         List(Str),
         id=PREFERENCES,
@@ -164,9 +137,6 @@ def start(self):
         # preferences node.
         self._load_preferences(self.preferences)
 
-        # Connect all class load hooks.
-        self._connect_class_load_hooks(self.class_load_hooks)
-
         # Register all service offers.
         #
         # These services are unregistered by the default plugin activation
@@ -180,14 +150,6 @@ def start(self):
     # Private interface.
     ###########################################################################
 
-    def _connect_class_load_hooks(self, class_load_hooks):
-        """ Connect all class load hooks. """
-
-        for class_load_hook in class_load_hooks:
-            class_load_hook.connect()
-
-        return
-
     def _load_preferences(self, preferences):
         """ Load all contributed preferences into a preferences node. """