In article <1159807538.579131.198670 at e3g2000cwe.googlegroups.com>,
Simon Willison <swillison at gmail.com> wrote:
>>try:
> do_something()
>except HttpError:
> # An HTTP error occurred
>except ApplicationError:
> # An application error occurred
>else:
> # It worked!
Use a similar but different idiom:
try:
do_something()
except DoSomethingError:
# handle error
IOW, your do_something() function maps all expected errors to
DoSomethingError (or at least to a series of related exceptions that are
all subclasses of DoSomethingError).
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