Class n.l.attempt(defer.Deferred):

Part of nevow.livepage View Source View In Hierarchy

Attempt to do 'stuff' in the browser. callback on the server
if 'stuff' executes without raising an exception. errback on the
server if 'stuff' raises a JavaScript exception in the client.

Used like this:

def printIt(what):
    print "Woo!", what

C = IClientHandle(ctx)
C.send(
    attempt(js("1+1")).addCallback(printIt))

C.send(
    attempt(js("thisWillFail")).addErrback(printIt))

Split Table into Classes Show Methods in One Table

Line #	Kind	Name	Docs
616	Method	__init__	Undocumented

Inherited from Deferred:

Line #	Kind	Name	Docs
168	Method	addCallbacks	Add a pair of callbacks (success and error) to this Deferred.
185	Method	addCallback	Convenience method for adding just a callback.
193	Method	addErrback	Convenience method for adding just an errback.
202	Method	addBoth	Convenience method for adding a single callable as both a callback
212	Method	chainDeferred	Chain another Deferred to this Deferred.
229	Method	callback	Run all success callbacks that have been added to this Deferred.
242	Method	errback	Run all error callbacks that have been added to this Deferred.
264	Method	pause	Stop processing on a Deferred until `unpause`() is called.
270	Method	unpause	Process all callbacks made since `pause`() was called.
342	Method	setTimeout	Set a timeout function to be triggered if I am not called.
367	Method	__str__	Undocumented

Line #	Kind	Name	Docs
616	Method	__init__	Undocumented
367	Method	__str__	Undocumented
202	Method	addBoth	Convenience method for adding a single callable as both a callback
185	Method	addCallback	Convenience method for adding just a callback.
168	Method	addCallbacks	Add a pair of callbacks (success and error) to this Deferred.
193	Method	addErrback	Convenience method for adding just an errback.
229	Method	callback	Run all success callbacks that have been added to this Deferred.
212	Method	chainDeferred	Chain another Deferred to this Deferred.
242	Method	errback	Run all error callbacks that have been added to this Deferred.
264	Method	pause	Stop processing on a Deferred until `unpause`() is called.
342	Method	setTimeout	Set a timeout function to be triggered if I am not called.
270	Method	unpause	Process all callbacks made since `pause`() was called.

def __init__(self, stuff): (source)

overrides twisted.internet.defer.Deferred.__init__

Undocumented

API Documentation for Nevow, generated by pydoctor.