sparked.events.EventDispatcher:
The sparked event dispatcher is simpler than the twisted version:
it does not use XPath arguments and its event prefix is always
empty.
dict:
dict() -> new empty dictionary
dict(mapping) -> new dictionary initialized from a mapping object's
(key, value) pairs
dict(iterable) -> new dictionary initialized as if via:
d = {}
for k, v in iterable:
d[k] = v
dict(**kwargs) -> new dictionary initialized with the name=value pairs
in the keyword argument list.
twisted.python.usage.Options:
An option list parser class