Paddy wrote:
> Lets say i have a generator running that generates successive
> characters of a 'string'
>>From what I know, if I want to do a regexp search for a pattern of
> characters then I would have to 'freeze' the generator and pass the
> characters so far to re.search.
> It is expensive to create successive characters, but caching could be
> used for past characters. is it possible to wrap the generator in a
> class, possibly inheriting from string, that would allow the regexp
> searching of the string but without terminating the generator? In
> other words duck typing for the usual string object needed by
> re.search?
>
> - Paddy.
>
re.search & re.compile checks for str or unicode types explicitly, so
you need to turn your data into one of those before using the module.
buffer = []
while True:
buffer.append(mygerator.next())
m = re.search(pattern, "".join(buffer))
if m:
process(m)
buffer = []
James
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