def is_component_enabled(self, component):
"""
returns True unless the component specified
has been disabled.
"""
if _component_id(component) in self.blacklist:
return False
return True
def is_component_enabled(self, component):
enabled = False
comp_id = _component_id(component)
for (pat, state) in self.patterns:
if pat.match(comp_id) is not None:
enabled = state
break
return enabled
def enable_component(self, component):
"""
Allow the component specified to be activated
for this ComponentManager.
component may be a full class name string 'foo.bar.Quux'
a Component type or an instance of a Component.
"""
self.whitelist.add(_component_id(component))
def disable_component(self, component):
"""
Do not allow the component specified to be activated
for this ComponentManager.
component may be a full class name string 'foo.bar.Quux'
a Component type or an instance of a Component.
"""
component_id = _component_id(component)
self.blacklist.add(component_id)
def disable_component(self, component):
"""
Do not allow the component specified to be activated
for this ComponentManager.
component may be a full class name string 'foo.bar.Quux'
a Component type or an instance of a Component.
"""
try:
self.whitelist.remove(_component_id(component))
except KeyError:
pass
def is_component_enabled(self, component):
"""
returns False unless the component specified has been
enabled.
"""
return _component_id(component) in self.whitelist
