twisted.internet.defer.maybeDeferred(f, *args, **kw) function documentationtwisted.internet.defer
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Invoke a function that may or may not return a Deferred.
Call the given function with the given arguments. If the returned
object is a Deferred,
return it. If the returned object is a Failure, wrap
it with fail
and return it. Otherwise, wrap it in succeed and
return it. If an exception is raised, convert it to a Failure, wrap
it in fail, and
then return it.
| Parameters | f | The callable to invoke (type: Any callable) |
| args | The arguments to pass to f | |
| kw | The keyword arguments to pass to f | |
| Returns | The result of the function call, wrapped in a Deferred if
necessary. (type: Deferred) | |