Importing `webbrowser` module gives NameError in Python 2.7.4rc1

Bug #1159737 reported by Marcin Juszkiewicz on 2013-03-25
20
This bug affects 3 people
Affects Status Importance Assigned to Milestone
Python
New
Unknown
python2.7 (Debian)
New
Unknown
python2.7 (Ubuntu)
Undecided
Anatoli Yakimovich

Bug Description

http://bugs.python.org/issue17541

12:23 hrw@puchatek:lava-test-perf$ python -c "import webbrowser"
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python2.7/webbrowser.py", line 505, in <module>
    register_X_browsers()
  File "/usr/lib/python2.7/webbrowser.py", line 489, in register_X_browsers
    register(browser, None, Chrome(browser))
NameError: global name 'Chrome' is not defined

Real life usecase:

12:26 hrw@puchatek:lava-test-perf$ bzr lp-propose-merge
bzr: ERROR: exceptions.NameError: global name 'Chrome' is not defined

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 930, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1121, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 673, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 697, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 136, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 166, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/cmds.py", line 328, in run
    fixes=fixes)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/lp_propose.py", line 76, in __init__
    self.launchpad = lp_api.login(service)
  File "/usr/lib/python2.7/dist-packages/bzrlib/lazy_import.py", line 108, in __getattribute__
    obj = object.__getattribute__(self, '_resolve')()
  File "/usr/lib/python2.7/dist-packages/bzrlib/lazy_import.py", line 85, in _resolve
    obj = factory(self, scope, name)
  File "/usr/lib/python2.7/dist-packages/bzrlib/lazy_import.py", line 200, in _import
    module = __import__(module_python_path, scope, scope, [member], level=0)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad/lp_api.py", line 48, in <module>
    from launchpadlib.launchpad import (
  File "/usr/lib/python2.7/dist-packages/launchpadlib/launchpad.py", line 36, in <module>
    from launchpadlib.credentials import (
  File "/usr/lib/python2.7/dist-packages/launchpadlib/credentials.py", line 40, in <module>
    import webbrowser
  File "/usr/lib/python2.7/webbrowser.py", line 505, in <module>
    register_X_browsers()
  File "/usr/lib/python2.7/webbrowser.py", line 489, in register_X_browsers
    register(browser, None, Chrome(browser))
NameError: global name 'Chrome' is not defined

bzr 2.6.0dev3 on python 2.7.4rc1 (Linux-3.8.0-13-generic-x86_64-with-
    Ubuntu-13.04-raring)
arguments: ['/usr/bin/bzr', 'lp-propose-merge']
plugins: bash_completion[2.6.0dev3], builddeb[2.7.0dev], builder[0.7.3],
    changelog_merge[2.6.0dev3], etckeeper[unknown], extmerge[unknown],
    fastimport[0.13.0], git[0.6.9], grep[2.6.0dev3], interactive[1.2.0],
    launchpad[2.6.0dev3], loom[2.2.0], netrc_credential_store[2.6.0dev3],
    news_merge[2.6.0dev3], pager[unknown], pipeline[1.4.0],
    po_merge[2.6.0dev3], qbzr[0.23.0], rewrite[0.6.4dev], search[1.7.0dev],
    stats[0.2.0dev], vimdiff[unknown], weave_fmt[2.6.0dev3]
encoding: 'utf-8', fsenc: 'UTF-8', lang: 'pl_PL.UTF-8'

*** Bazaar has encountered an internal error. This probably indicates a
    bug in Bazaar. You can help us fix it by filing a bug report at
        https://bugs.launchpad.net/bzr/+filebug
    including this traceback and a description of the problem.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: python2.7 2.7.4~rc1-2ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-13.22-generic 3.8.3
Uname: Linux 3.8.0-13-generic x86_64
ApportVersion: 2.9.2-0ubuntu2
Architecture: amd64
Date: Mon Mar 25 12:26:00 2013
MarkForUpload: True
ProcEnviron:
 TERM=screen
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANG=pl_PL.UTF-8
 LANGUAGE=pl:en
SourcePackage: python2.7
UpgradeStatus: No upgrade log present (probably fresh install)

Marcin Juszkiewicz (hrw) wrote :
xelatirdan (xelatirdan) on 2013-03-25
no longer affects: ubuntuone-client
Changed in python2.7 (Debian):
status: Unknown → New
Changed in python:
status: Unknown → New
Changed in python2.7 (Ubuntu):
assignee: nobody → Anatoli Yakimovich (akelav)
Daniel Holbach (dholbach) wrote :

It looks like the class definition of Chrome/Chromium in python3.3's Lib/webbrowser.py is missing.

Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in python2.7 (Ubuntu):
status: New → Confirmed
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