Catching a pywintypes.api_error excpeption?

Peter Hansen peter at
Fri Aug 2 13:49:39 CEST 2002

Derek Basch wrote:
> Hi,
> Can someone tell me how to catch this exception with a
> try, except clause:
>     SetCommState(self.handle, dcb)
> pywintypes.api_error: (87, 'SetCommState', 'The
> parameter is incorrect.')
> every exception I have previously worked with has been
> a class such as IOError. How do i catch this one?

As with "except IOError", just use the name of the class:

    SetCommState(self.handle, dcb)
except pywintypes.api_error:
    print 'spam spam spam spam'

(Although this sounds more like an exception coming from
a bug, not a runtime condition that you would want to catch
like an IOError.)


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