On Thu, 9 Aug 2018 at 09:31 am Jean-Paul Calderone < [email protected]> wrote:
> In the code you posted, DelayedResponse is the root resource. The root > resource *always* has to provide a child resource. If someone requests > /foo then the child is "foo". If someone requests "/" then the child is > "". > > isLeaf = True is a shortcut that stops traversal and uses the current > resource as the requested resource. Without this, DelayedResponse must > have a child or it can only produce a 404. > > Maybe that explains it? If there are examples in the documentation that > have root resources with no children and without isLeaf = True then perhaps > they are also broken and should be fixed. If you see any, please point > them out. > > Thank you for the explanation! Let's see if I understand your explanation and the variation in the examples. https://twistedmatrix.com/documents/current/web/howto/web-in-60/custom-codes.html does not have isLeaf = True because it has: root = Resource() root.putChild(b"buy", PaymentRequired()) factory = Site(root) https://twistedmatrix.com/documents/current/web/howto/web-in-60/dynamic-content.html does have isLeaf = True because it does not have a .putChild() The explanation about isLeaf could be improved by: Setting isLeaf to True indicates that ClockPage resources will never have any children. Without this, the ClockPage resources must have a child or it can only produce a 404. https://twistedmatrix.com/documents/current/web/howto/web-in-60/dynamic-dispatch.html does not have isLeaf = True because it defines getChild for the root class Calendar So does not have isLeaf = True because it was written as an .rpy script?? http://twistedmatrix.com/documents/current/web/howto/web-in-60/asynchronous.html Thank you again, -Jason
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