[Tutor] problems with HTMLParser

[Glen Wheeler]

  Hi,

  Just looking from the error...

> The problem is that when i run the code I get:
>
> Traceback (innermost last):
>   File "./import_toc.py", line 28, in ?
>     foo.feed(data)
>   File "/usr/lib/python1.5/sgmllib.py", line 83, in feed
>     self.goahead(0)
>   File "/usr/lib/python1.5/sgmllib.py", line 104, in goahead
>     if i < j: self.handle_data(rawdata[i:j])
>   File "/usr/lib/python1.5/htmllib.py", line 42, in handle_data
>     self.formatter.add_flowing_data(data)
> TypeError: unbound method must be called with class instance 1st argument

  My guess is you might have forgotten a 'self' argument.

  HTH,
  Glen.


----- Original Message -----
From: Sean 'Shaleh' Perry <shaleh@valinux.com>
To: <tutor@python.org>
Sent: Tuesday, January 23, 2001 9:29 AM
Subject: [Tutor] problems with HTMLParser


> I am trying to write a program that will parse the contents list of a
howto
> index.html.
>
> Initial code:
>
> from formatter import NullFormatter
> from htmllib import HTMLParser
>
> class myHTML(HTMLParser):
>     def __init__(self, formatter, verbose = 0):
>         HTMLParser.__init__(self, formatter, verbose)
>         self.section_list = [] # to be filled in later
>
>     def start_ul(self, attributes):
>         pass
>
>     def end_ul(self, attributes):
>         pass
>
>     def start_li(self, attributes):
>         pass
>
>     def end_li(self, attributes):
>         pass
>
>     def start_a(self, attributes):
>         print attributes
>
> I call this simply:
>
> foo = myHTML(NullFormatter)
> foo.feed(data)
> foo.close()
>
> the goal is to have the href and the text from the anchors inserted into
> section_list.  Of course this should only happen when the anchor occurs in
the
> <li> tag, so I will have a variable to ensure this case.
>
> The problem is that when i run the code I get:
>
> Traceback (innermost last):
>   File "./import_toc.py", line 28, in ?
>     foo.feed(data)
>   File "/usr/lib/python1.5/sgmllib.py", line 83, in feed
>     self.goahead(0)
>   File "/usr/lib/python1.5/sgmllib.py", line 104, in goahead
>     if i < j: self.handle_data(rawdata[i:j])
>   File "/usr/lib/python1.5/htmllib.py", line 42, in handle_data
>     self.formatter.add_flowing_data(data)
> TypeError: unbound method must be called with class instance 1st argument
>
>
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