On 2010-03-04 16:27 , Alf P. Steinbach wrote:
* Mike Kent:
However, I fail to understand his response that I must have meant try/
else instead, as this, as Mr. Kern pointed out, is invalid syntax.
Perhaps Mr. Steinbach would like to give an example?
OK.
Assuming that you wanted the chdir to be within a try block (which it
was in your code), then to get code equivalent to my code, for the
purpose of a comparision of codes that do the same, you'd have to write
something like ...
original_dir = os.getcwd()
try:
os.chdir(somewhere)
except Whatever:
# E.g. log it.
raise
else:
try:
# Do other stuff
finally:
os.chdir(original_dir)
# Do other cleanup
... which would be a more general case.
I've also given this example in response to Robert earlier in the
thread. Although I haven't tried it I believe it's syntactically valid.
If not, then the relevant typo should just be fixed. :-)
I have no idea which construct Robert thought was syntactically invalid.
I think that if he's written that, then it must have been something he
thought of.
I was just trying to interpret what you meant by "Changing 'finally' to 'else'
could make it equivalent." As far as I can tell, that has only one possible
interpretation going by the plain meaning of the words, and it isn't yours.
Since you always seem to refer to "try/else" as if it were an independent
construct and not part of "try: except: else:" and no one else introduced
except: clause, I must reiterate that your communications have been fabulously
misleading.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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