sgmllib parser keeps old tag data?
google at mrabarnett.plus.com
Fri Feb 13 10:41:52 EST 2009
Berend van Berkum wrote:
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> On Fri, Feb 13, 2009 at 02:31:40PM +0000, MRAB wrote:
>> Berend van Berkum wrote:
>>> import sgmllib
>>> class MyParser(sgmllib.SGMLParser):
>>> content = ''
>>> markup = 
>>> span_stack = 
>> These are in the _class_ itself, so they will be shared by all its
>> instances. You should so something like this instead:
>> def __init__(self):
>> self.content = ''
>> self.markup = 
>> self.span_stack = 
> Yes.. tested that and SGMLParser won't let me override __init__,
> (SGMLParser vars are uninitialized even with sgmllib.SGMLParser(self) call).
OK, so SGMLParser needs to be initialised:
self.content = ''
self.markup = 
self.span_stack = 
> Tried some but not the following:
> with a differently named init function and one boolean class var 'initialized'
> it can check 'if self.initialized' in front of each handler. Does the trick.
> Confusion dissolved :)
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