Catch multiple exceptions in one line (except block)

user_198633 0
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I know that I can do:

try:
    # do something that may fail
except:
    # do this if ANYTHING goes wrong

I can also do this:

try:
    # do something that may fail
except IDontLikeYouException:
    # say please
except YouAreTooShortException:
    # stand on a ladder

But if I want to do the same thing inside two different exceptions, the best I can think of right now is to do this:

try:
    # do something that may fail
except IDontLikeYouException:
    # say please
except YouAreBeingMeanException:
    # say please

Is there any way that I can do something like this (since the action to take in both exceptions is to say please):

try:
    # do something that may fail
except IDontLikeYouException, YouAreBeingMeanException:
    # say please

Now this really won't work, as it matches the syntax for:

try:
    # do something that may fail
except Exception, e:
    # say please

So, my effort to catch the two distinct exceptions doesn't exactly come through.

Is there a way to do this?

exception-handling exception python
6 Answers

As of Python 3.11 you can take advantage of the except* clause that is used to handle multiple exceptions.

PEP-654 introduced a new standard exception type called ExceptionGroup that corresponds to a group of exceptions that are being propagated together. The ExceptionGroup can be handled using a new except* syntax. The * symbol indicates that multiple exceptions can be handled by each except* clause.

For example, you can handle multiple exceptions

try:
    raise ExceptionGroup('Example ExceptionGroup', (
        TypeError('Example TypeError'),
        ValueError('Example ValueError'),
        KeyError('Example KeyError'),
        AttributeError('Example AttributeError')
    ))
except* TypeError:
    ...
except* ValueError as e:
    ...
except* (KeyError, AttributeError) as e:
    ...

For more details see PEP-654.

user_71317570
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