How to catch str exception?

[Peter Otten]

anuraguniyal at yahoo.com wrote:

> but the whole point of catching such exception is that i can print its
> value
> there are many such exceptions and hence it is not feasible to catch
> them all or know them all unless i go thru src code.

Catch them all with a bare except and then reraise non-string exceptions:

try:
    raise "abc"
except:
    e, t, tb = sys.exc_info()
    if not isinstance(e, str):
        raise
    print "caught", e