WA3 Exsisting Code

wa/framework/pluginloader.py

@@ -0,0 +1,69 @@
+#    Copyright 2013-2015 ARM Limited
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+import sys
+
+
+class __LoaderWrapper(object):
+
+    def __init__(self):
+        self._loader = None
+
+    def reset(self):
+        # These imports cannot be done at top level, because of 
+        # sys.modules manipulation below
+        from wa.framework.plugin import PluginLoader
+        from wa.framework.configuration.core import settings
+        self._loader = PluginLoader(settings.plugin_packages,
+                                    settings.plugin_paths,
+                                    settings.plugin_ignore_paths)
+
+    def update(self, packages=None, paths=None, ignore_paths=None):
+        if not self._loader: self.reset()
+        self._loader.update(packages, paths, ignore_paths)
+
+    def reload(self):
+        if not self._loader: self.reset()
+        self._loader.reload()
+
+    def list_plugins(self, kind=None):
+        if not self._loader: self.reset()
+        return self._loader.list_plugins(kind)
+
+    def has_plugin(self, name, kind=None):
+        if not self._loader: self.reset()
+        return self._loader.has_plugin(name, kind)
+
+    def get_plugin_class(self, name, kind=None):
+        if not self._loader: self.reset()
+        return _load.get_plugin_class(name, kind)
+
+    def get_plugin(self, name, kind=None, *args, **kwargs):
+        if not self._loader: self.reset()
+        return self._loader.get_plugin(name, kind=kind, *args, **kwargs)
+
+    def get_default_config(self, name):
+        if not self._loader: self.reset()
+        return self._loader.get_default_config(name)
+
+    def resolve_alias(self, name):
+        if not self._loader: self.reset()
+        return self._loader.resolve_alias(name)
+
+    def __getattr__(self, name):
+        if not self._loader: self.reset()
+        return getattr(self._loader, name)
+
+
+sys.modules[__name__] =  __LoaderWrapper()