def load(self, name, path=None, reload=False):
if name in self.plugins and not reload:
return self.plugins[name]
mod_name = name
if self.prefix:
#mod_name determines how the module is named in sys.modules
#Using a prefix helps prevent overlap with other modules
#(no '.' -- it causes problems)
mod_name = self.prefix + name
if mod_name in sys.modules and not reload:
raise koji.PluginError('module name conflict: %s' % mod_name)
if path is None:
path = self.searchpath
if path is None:
raise koji.PluginError("empty module search path")
file, pathname, description = imp.find_module(name,
self.pathlist(path))
try:
plugin = imp.load_module(mod_name, file, pathname, description)
except Exception:
msg = 'Loading plugin %s failed' % name
logging.getLogger('koji.plugin').error(msg)
raise
finally:
file.close()
self.plugins[name] = plugin
return plugin
def load(self, name, path=None, reload=False):
if name in self.plugins and not reload:
return self.plugins[name]
mod_name = name
if self.prefix:
# mod_name determines how the module is named in sys.modules
# Using a prefix helps prevent overlap with other modules
# (no '.' -- it causes problems)
mod_name = self.prefix + name
if mod_name in sys.modules and not reload:
raise koji.PluginError('module name conflict: %s' % mod_name)
if path is None:
path = self.searchpath
if path is None:
raise koji.PluginError("empty module search path")
file = None
try:
if importlib:
orig_spec = importlib.machinery.PathFinder().find_spec(name, self.pathlist(path))
plugin_spec = importlib.util.spec_from_file_location(mod_name, orig_spec.origin)
plugin = importlib.util.module_from_spec(plugin_spec)
sys.modules[mod_name] = plugin
plugin_spec.loader.exec_module(plugin)
else:
file, pathname, description = imp.find_module(name, self.pathlist(path))
plugin = imp.load_module(mod_name, file, pathname, description)
except Exception:
msg = 'Loading plugin %s failed' % name
logging.getLogger('koji.plugin').error(msg)
raise
finally:
if file:
file.close()
self.plugins[name] = plugin
return plugin
def register_callback(cbtype, func):
if not cbtype in callbacks:
raise koji.PluginError('"%s" is not a valid callback type' % cbtype)
if not callable(func):
raise koji.PluginError('%s is not callable' %
getattr(func, '__name__', 'function'))
callbacks[cbtype].append(func)
def run_callbacks(cbtype, *args, **kws):
if not cbtype in callbacks:
raise koji.PluginError('"%s" is not a valid callback type' % cbtype)
for func in callbacks[cbtype]:
try:
func(cbtype, *args, **kws)
except:
msg = 'Error running %s callback from %s' % (cbtype,
func.__module__)
if getattr(func, 'failure_is_an_option', False):
logging.getLogger('koji.plugin').warn(msg, exc_info=True)
else:
tb = ''.join(traceback.format_exception(*sys.exc_info()))
raise koji.CallbackError('%s:\n%s' % (msg, tb))
