gwibber-bugs team mailing list archive

[Ronald Blaschke <1166369@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I am using Gwibber on an up-to-date Ubuntu 12.10 machine, with Python
2.7.3 and Gwibber 3.6.0.

Updating the Twitter status works when running Gwibber without a HTTP proxy. When using a proxy, the update fails.
The gwibber.log shows this generic error message.

Network      Thread-1      :  ERROR    - Network failure: UNKNOWN

The actual error is:

Network      Thread-1      :  ERROR    - Network failure: maximum recursion depth exceeded
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/gwibber/microblog/network.py", line 35, in __init__
    self.res = urllib2.urlopen(req)
  File "/usr/lib/python2.7/urllib2.py", line 127, in urlopen
    return _opener.open(url, data, timeout)
  File "/usr/lib/python2.7/urllib2.py", line 401, in open
    response = self._open(req, data)
  File "/usr/lib/python2.7/urllib2.py", line 419, in _open
    '_open', req)
  File "/usr/lib/python2.7/urllib2.py", line 379, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.7/dist-packages/gwibber/microblog/uploader/imageshack/urllib2_file.py", line 233, in https_open
    return self.do_open(httplib.HTTPS, req)
  File "/usr/lib/python2.7/dist-packages/gwibber/microblog/uploader/imageshack/urllib2_file.py", line 189, in do_open
    h.putrequest('GET', req.get_selector())
  File "/usr/lib/python2.7/urllib2.py", line 266, in get_selector
    return self.__r_host
  File "/usr/lib/python2.7/urllib2.py", line 225, in __getattr__
    return getattr(self, attr)
  File "/usr/lib/python2.7/urllib2.py", line 225, in __getattr__
    return getattr(self, attr)
  File "/usr/lib/python2.7/urllib2.py", line 225, in __getattr__
    return getattr(self, attr)
  File "/usr/lib/python2.7/urllib2.py", line 225, in __getattr__
    return getattr(self, attr)
  ...

After digging a bit in the code, I noticed this monkey patching in gwibber/microblog/uploader/imageshack/urllib2_file.py, around line 228.
...
urllib2._old_HTTPHandler = urllib2.HTTPHandler
urllib2.HTTPHandler = newHTTPHandler
...
urllib2.HTTPSHandler = newHTTPSHandler
...

If I comment out those three lines, updating the Twitter status works
for me again, even behind a proxy.

If the modified handlers are still necessary, they may need some update
to work with Python 2.7.3 urllib2?

** Affects: gwibber
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1166369

Title:
  Cannot update Twitter status behind proxy

Status in Gwibber:
  New

Bug description:
  I am using Gwibber on an up-to-date Ubuntu 12.10 machine, with Python
  2.7.3 and Gwibber 3.6.0.

  Updating the Twitter status works when running Gwibber without a HTTP proxy. When using a proxy, the update fails.
  The gwibber.log shows this generic error message.

  Network      Thread-1      :  ERROR    - Network failure: UNKNOWN

  The actual error is:

  Network      Thread-1      :  ERROR    - Network failure: maximum recursion depth exceeded
  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/gwibber/microblog/network.py", line 35, in __init__
      self.res = urllib2.urlopen(req)
    File "/usr/lib/python2.7/urllib2.py", line 127, in urlopen
      return _opener.open(url, data, timeout)
    File "/usr/lib/python2.7/urllib2.py", line 401, in open
      response = self._open(req, data)
    File "/usr/lib/python2.7/urllib2.py", line 419, in _open
      '_open', req)
    File "/usr/lib/python2.7/urllib2.py", line 379, in _call_chain
      result = func(*args)
    File "/usr/lib/python2.7/dist-packages/gwibber/microblog/uploader/imageshack/urllib2_file.py", line 233, in https_open
      return self.do_open(httplib.HTTPS, req)
    File "/usr/lib/python2.7/dist-packages/gwibber/microblog/uploader/imageshack/urllib2_file.py", line 189, in do_open
      h.putrequest('GET', req.get_selector())
    File "/usr/lib/python2.7/urllib2.py", line 266, in get_selector
      return self.__r_host
    File "/usr/lib/python2.7/urllib2.py", line 225, in __getattr__
      return getattr(self, attr)
    File "/usr/lib/python2.7/urllib2.py", line 225, in __getattr__
      return getattr(self, attr)
    File "/usr/lib/python2.7/urllib2.py", line 225, in __getattr__
      return getattr(self, attr)
    File "/usr/lib/python2.7/urllib2.py", line 225, in __getattr__
      return getattr(self, attr)
    ...

  After digging a bit in the code, I noticed this monkey patching in gwibber/microblog/uploader/imageshack/urllib2_file.py, around line 228.
  ...
  urllib2._old_HTTPHandler = urllib2.HTTPHandler
  urllib2.HTTPHandler = newHTTPHandler
  ...
  urllib2.HTTPSHandler = newHTTPSHandler
  ...

  If I comment out those three lines, updating the Twitter status works
  for me again, even behind a proxy.

  If the modified handlers are still necessary, they may need some
  update to work with Python 2.7.3 urllib2?

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