Josh West wrote:
>> First off, don't attempt to start a new thread by replying to a previous
>> one. Many newsreaders will merge the two, confusing the hell out of
>> everyone and generally not helping.
>>
>
> Ahh, yes. I see what you mean. Explains why it didn't appear the first
> time I posted (until later..).
>
> Sorry for bother and thanks for the advice.
>> Second, what makes you think you need a module? I'd have thought an
>> instance of some user-defined class would have been better, as that way
>> you can redefine the __getattr__() method to return appropriate functions.
>>
> The functions are ported from a java class static methods. I was trying
> to be "pythonic" - since my 100 functions don't share state, I thought
> they should be packaged as a module rather than as a class of bunch of
> effectively static methods.
>> This seems to work, though I haven't tested it extensively (i.e. I have
>> called one instance precisely once ;-)
>>
>> >>> import re
>> >>> pat = re.compile("([a-z]+)(.+)")
>> >>> class myRewriter:
>> ... def srt(self, s):
>> ... m = pat.match(s)
>> ... if not m: raise ValueError(s)
>> ... return m.group(1), m.group(2).lower()
>> ... def __getattr__(self, name):
>> ... n1, n2 = name.split("_")
>> ... def f(val):
>> ... s1, s2 = self.srt(val)
>> ... return "/%s/%s/?sort=%s_%s" % \
>> ... (n1, n2, s1, s2)
>> ... return f
>> ...
>> >>> r = myRewriter()
>> >>> r.organisations_list('dateCreated')
>> '/organisations/list/?sort=date_created'
>> >>>
>>
>> regards
>> Steve
>>
> Genius! Embarrassingly, I hadn't realised that __getattr__() is called
> when a method is invoked, thus making the method name (attribute name)
> so easily available as a string. I was therefore thinking in terms of
> gnarly introspection/reflection things. This is much better.
>
> Thanks very much
>
>
A pleasure. Welcome to Python, where genius is available to us all.
regards
Steve
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