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-rw-r--r--scripts/lib/wic/pluginbase.py32
1 files changed, 15 insertions, 17 deletions
diff --git a/scripts/lib/wic/pluginbase.py b/scripts/lib/wic/pluginbase.py
index 93f0b663a3..fb3d179c2d 100644
--- a/scripts/lib/wic/pluginbase.py
+++ b/scripts/lib/wic/pluginbase.py
@@ -32,9 +32,10 @@ SCRIPTS_PLUGIN_DIR = "scripts/lib/wic/plugins"
logger = logging.getLogger('wic')
+PLUGINS = defaultdict(dict)
+
class PluginMgr:
_plugin_dirs = []
- _plugins = {}
@classmethod
def get_plugins(cls, ptype):
@@ -42,9 +43,6 @@ class PluginMgr:
if ptype not in PLUGIN_TYPES:
raise WicError('%s is not valid plugin type' % ptype)
- if ptype in cls._plugins:
- return cls._plugins[ptype]
-
# collect plugin directories
if not cls._plugin_dirs:
cls._plugin_dirs = [os.path.join(os.path.dirname(__file__), 'plugins')]
@@ -55,25 +53,25 @@ class PluginMgr:
if path not in cls._plugin_dirs and os.path.isdir(path):
cls._plugin_dirs.insert(0, path)
- # load plugins
- for pdir in cls._plugin_dirs:
- ppath = os.path.join(pdir, ptype)
- if os.path.isdir(ppath):
- for fname in os.listdir(ppath):
- if fname.endswith('.py'):
- mname = fname[:-3]
- mpath = os.path.join(ppath, fname)
- SourceFileLoader(mname, mpath).load_module()
+ if ptype not in PLUGINS:
+ # load all ptype plugins
+ for pdir in cls._plugin_dirs:
+ ppath = os.path.join(pdir, ptype)
+ if os.path.isdir(ppath):
+ for fname in os.listdir(ppath):
+ if fname.endswith('.py'):
+ mname = fname[:-3]
+ mpath = os.path.join(ppath, fname)
+ logger.debug("loading plugin module %s", mpath)
+ SourceFileLoader(mname, mpath).load_module()
- cls._plugins[ptype] = PluginMeta.plugins.get(ptype)
- return cls._plugins[ptype]
+ return PLUGINS.get(ptype)
class PluginMeta(type):
- plugins = defaultdict(dict)
def __new__(cls, name, bases, attrs):
class_type = type.__new__(cls, name, bases, attrs)
if 'name' in attrs:
- cls.plugins[class_type.wic_plugin_type][attrs['name']] = class_type
+ PLUGINS[class_type.wic_plugin_type][attrs['name']] = class_type
return class_type