[Twisted-Python] getPage generates a traceback in abstract.py

Jason J. W. Williams jasonjwwilliams at gmail.com
Sat Oct 2 13:47:25 EDT 2010

Wow I feel stupid. That would be me in the callback that gets fired when
getPage completes. Originally I had written this to use web.client.Agent and
that code was helping me to inspect the response for debugging. Thank you
very much.


On Sat, Oct 2, 2010 at 11:26 AM, <exarkun at twistedmatrix.com> wrote:

> On 05:15 pm, jasonjwwilliams at gmail.com wrote:
> >Hi Ivan,
> >
> >This looks really strange.  Could you add a print statement before
> >>line 112 of abstract.py, to see what's in self._tempDataBuffer?
> >
> >The conents of self._tempDataBuffer is indeed a list:
> >
> >['HTTP/1.1 200 OK\r\n', 'Transfer-Encoding: chunked\r\n', '\r\n',
> >'47\r\n',
> >['__add__', '__class__', '__contains__', '__delattr__', '__doc__',
> >'__eq__',
> >'__format__', '__ge__', '__getattribute__', '__getitem__',
> >'__getnewargs__',
> >'__getslice__', '__gt__', '__hash__', '__init__', '__le__', '__len__',
> >'__lt__', '__mod__', '__mul__', '__ne__', '__new__', '__reduce__',
> >'__reduce_ex__', '__repr__', '__rmod__', '__rmul__', '__setattr__',
> >'__sizeof__', '__str__', '__subclasshook__',
> >'_formatter_field_name_split',
> >'_formatter_parser', 'capitalize', 'center', 'count', 'decode',
> >'encode',
> >'endswith', 'expandtabs', 'find', 'format', 'index', 'isalnum',
> >'isalpha',
> >'isdigit', 'islower', 'isspace', 'istitle', 'isupper', 'join', 'ljust',
> >'lower', 'lstrip', 'partition', 'replace', 'rfind', 'rindex', 'rjust',
> >'rpartition', 'rsplit', 'rstrip', 'split', 'splitlines', 'startswith',
> >'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill'], '\r\n',
> >'0\r\n\r\n']
> So it appears as if someone is calling request.write(dir(some string)).
> If you add a type check to the implementation of write, you'll probably
> get a traceback pointing at exactly the offending code (and maybe we
> should add that type check to Twisted).
> Jean-Paul
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