Paul Rubin <http://[EMAIL PROTECTED]> wrote:
> [EMAIL PROTECTED] writes:
>> deferred = fetchPage('http://python.org')
>> def _showResponse(response)
>> print "fancy formatting: %s" % response.text
>> deferred.addCallback(_showResponse)
>>
>> Lots of Twisted code has to be written backwards like this.
>
> But that's just ugly. The fetchPage function should take the callback
> as an argument. In an asynchronous system it would even be buggy.
> What happens if the page fetch completes before you add the callback?
Or it should be trivial to give deferred a decorator method and write:
@deferred.callback
def _showResponse(response):
...
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