def load_handler(self, fqcn):
"""
Load Handler class named fqcn
"""
# Load class
cls = load_class_from_name(fqcn)
# Check if cls is subclass of Handler
if cls == Handler or not issubclass(cls, Handler):
raise TypeError("%s is not a valid Handler" % fqcn)
# Log
self.log.debug("Loaded Handler: %s", fqcn)
return cls
def load_collector(self, fqcn):
"""
Load Collector class named fqcn
"""
# Load class
cls = load_class_from_name(fqcn)
# Check if cls is subclass of Collector
if cls == Collector or not issubclass(cls, Collector):
raise TypeError("%s is not a valid Collector" % fqcn)
# Log
self.log.debug("Loaded Collector: %s", fqcn)
return cls
def load_handler(self, fqcn):
"""
Load Handler class named fqcn
"""
# Load class
cls = load_class_from_name(fqcn)
# Check if cls is subclass of Handler
if cls == Handler or not issubclass(cls, Handler):
raise TypeError("%s is not a valid Handler" % fqcn)
# Log
self.log.debug("Loaded Handler: %s", fqcn)
return cls
def load_collector(self, fqcn):
"""
Load Collector class named fqcn
"""
# Load class
cls = load_class_from_name(fqcn)
# Check if cls is subclass of Collector
if cls == Collector or not issubclass(cls, Collector):
raise TypeError("%s is not a valid Collector" % fqcn)
# Log
self.log.debug("Loaded Collector: %s", fqcn)
return cls
def load_dynamic_class(fqn, subclass):
"""
Dynamically load fqn class and verify it's a subclass of subclass
"""
if not isinstance(fqn, basestring):
return fqn
cls = load_class_from_name(fqn)
if cls == subclass or not issubclass(cls, subclass):
raise TypeError("%s is not a valid %s" % (fqn, subclass.__name__))
return cls
def load_dynamic_class(fqn, subclass):
"""
Dynamically load fqn class and verify it's a subclass of subclass
"""
if not isinstance(fqn, basestring):
return fqn
cls = load_class_from_name(fqn)
if cls == subclass or not issubclass(cls, subclass):
raise TypeError("%s is not a valid %s" % (fqn, subclass.__name__))
return cls
def load_dynamic_class(fqn, subclass):
"""
Dynamically load fqn class and verify it's a subclass of `subclass`
"""
if not isinstance(fqn, str):
return fqn
cls = load_class_from_name(fqn)
# print( "class:", cls, "... subclass:", subclass)
# print( "isSubclass:", issubclass(cls, subclass))
# print( cls.__bases__ )
if cls == subclass or not issubclass(cls, subclass):
raise TypeError("%s is not a valid %s" % (fqn, subclass.__name__))
return cls
