Hi I learned about the futures PEP only today. I saw the example on
http://code.google.com/p/pythonfutures/
One thing that worries me is that this approach seems to bypass the
usual exception handling mechanism of Python. In particular I'm
wondering why you have to do things like:
if future.exception() is not None:
...
This reminds me a lot of how things are done in C but it's not very
pythonic. Wouldn't it be possible and nicer to raise the exception --
if there was one inside the asynchronous job -- when the result of the
future is accessed?
try:
print('%r page is %d bytes' % (url, len(future.result())))
except FutureError:
print('%r generated an exception: %s' % (url, future.exception()))
Best,
Titus
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