Duncan Booth wrote:
> Ilias Lazaridis wrote:
>
>> I would like to know, if this construct is valid, or if it can result in
>> problems (that I do not see as a newcomer):
>>
>> 1082 try:
>> 1083 from django.rework.evolve import evolvedb
>> 1084 except ImportError:
>> 1085 def evolvedb():
>> 1086 "Evolve Command Dummy"
>> 1087 print 'Command evolvedb not imported'
>> 1088 evolvedb.args =''
>
> The only real problem here is that if django.rework.evolve imports
> something else which doesn't exist you get your fallback code instead of
> reporting the error. In other words there is a chance that you could mask a
> deeper problem.
>
> If this worries you then you could do:
>
> try:
> from django.rework.evolve import evolvedb
> except ImportError, e:
> if str(e).rsplit(' ')[-1] != 'django.rework.evolve':
> raise
> ... rest of code here ...
I thin I understand.
If the exception is _not_ caused by 'django.rework.evolve', then it will
be raised, thus I can see what caused it.
Very nice!
.
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