TypeError in install_wrapper_scripts

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Originally reported by: jcugat (Bitbucket: jcugat, GitHub: jcugat)

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Just updated to setuptools 18.6 from 18.5 and installing from an editable git repo seems to fail.

Steps to reproduce:

#!shell

$ pip list | grep setuptools
setuptools (18.5)
$ pip install -e git+https://github.com/jcugat/django-crispy-forms.git@1.4.0-django1.9#egg=django_crispy_forms
Obtaining django-crispy-forms from git+https://github.com/jcugat/django-crispy-forms.git@1.4.0-django1.9#egg=django_crispy_forms
  Updating /usr/local/opt/pyenv/versions/virtualtest/src/django-crispy-forms clone (to 1.4.0-django1.9)
Installing collected packages: django-crispy-forms
  Running setup.py develop for django-crispy-forms
Successfully installed django-crispy-forms
$ pip uninstall django-crispy-forms
Uninstalling django-crispy-forms-1.4.0:
  /usr/local/opt/pyenv/versions/virtualtest/lib/python2.7/site-packages/django-crispy-forms.egg-link
Proceed (y/n)? y
  Successfully uninstalled django-crispy-forms-1.4.0
$ pip install setuptools==18.6
Collecting setuptools==18.6
  Using cached setuptools-18.6-py2.py3-none-any.whl
Installing collected packages: setuptools
  Found existing installation: setuptools 18.5
    Uninstalling setuptools-18.5:
      Successfully uninstalled setuptools-18.5
Successfully installed setuptools-18.6
$ pip list | grep setuptools
setuptools (18.6)
$ pip install -e git+https://github.com/jcugat/django-crispy-forms.git@1.4.0-django1.9#egg=django_crispy_forms
Obtaining django-crispy-forms from git+https://github.com/jcugat/django-crispy-forms.git@1.4.0-django1.9#egg=django_crispy_forms
  Updating /usr/local/opt/pyenv/versions/virtualtest/src/django-crispy-forms clone (to 1.4.0-django1.9)
Installing collected packages: django-crispy-forms
  Running setup.py develop for django-crispy-forms
    Complete output from command /usr/local/opt/pyenv/versions/virtualtest/bin/python2.7 -c "import setuptools, tokenize; __file__='/usr/local/opt/pyenv/versions/virtualtest/src/django-crispy-forms/setup.py'; exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" develop --no-deps:
    running develop
    running egg_info
    writing requirements to django_crispy_forms.egg-info/requires.txt
    writing django_crispy_forms.egg-info/PKG-INFO
    writing top-level names to django_crispy_forms.egg-info/top_level.txt
    writing dependency_links to django_crispy_forms.egg-info/dependency_links.txt
    warning: manifest_maker: standard file '-c' not found

    reading manifest file 'django_crispy_forms.egg-info/SOURCES.txt'
    reading manifest template 'MANIFEST.in'
    warning: no files found matching '*' under directory 'crispy_forms/static'
    writing manifest file 'django_crispy_forms.egg-info/SOURCES.txt'
    running build_ext
    Creating /usr/local/var/lib/pyenv/versions/virtualtest/lib/python2.7/site-packages/django-crispy-forms.egg-link (link to .)
    Adding django-crispy-forms 1.4.0 to easy-install.pth file
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/usr/local/opt/pyenv/versions/virtualtest/src/django-crispy-forms/setup.py", line 39, in <module>
        zip_safe=False,
      File "/usr/local/opt/pyenv/versions/2.7.10/lib/python2.7/distutils/core.py", line 151, in setup
        dist.run_commands()
      File "/usr/local/opt/pyenv/versions/2.7.10/lib/python2.7/distutils/dist.py", line 953, in run_commands
        self.run_command(cmd)
      File "/usr/local/opt/pyenv/versions/2.7.10/lib/python2.7/distutils/dist.py", line 972, in run_command
        cmd_obj.run()
      File "/usr/local/opt/pyenv/versions/virtualtest/lib/python2.7/site-packages/setuptools/command/develop.py", line 32, in run
        self.install_for_development()
      File "/usr/local/opt/pyenv/versions/virtualtest/lib/python2.7/site-packages/setuptools/command/develop.py", line 132, in install_for_development
        self.process_distribution(None, self.dist, not self.no_deps)
      File "/usr/local/opt/pyenv/versions/virtualtest/lib/python2.7/site-packages/setuptools/command/easy_install.py", line 695, in process_distribution
        self.install_egg_scripts(dist)
      File "/usr/local/opt/pyenv/versions/virtualtest/lib/python2.7/site-packages/setuptools/command/develop.py", line 160, in install_egg_scripts
        self.install_wrapper_scripts(dist)
      File "/usr/local/opt/pyenv/versions/virtualtest/lib/python2.7/site-packages/setuptools/command/develop.py", line 173, in install_wrapper_scripts
        return super(develop, self).install_wrapper_scripts(dist)
    TypeError: must be type, not classobj

    ----------------------------------------
Command "/usr/local/opt/pyenv/versions/virtualtest/bin/python2.7 -c "import setuptools, tokenize; __file__='/usr/local/opt/pyenv/versions/virtualtest/src/django-crispy-forms/setup.py'; exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" develop --no-deps" failed with error code 1 in /usr/local/opt/pyenv/versions/virtualtest/src/django-crispy-forms

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• Bitbucket: https://bitbucket.org/pypa/setuptools/issue/464

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Original comment by jonathan_mccall (Bitbucket: jonathan_mccall, GitHub: Unknown):

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I am also experiencing this problem installing an editable git repo.

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Original comment by foobacca (Bitbucket: foobacca, GitHub: foobacca):

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I am also experiencing this since the 18.6 update - in my case:

pip install -e git+https://github.com/ludwiktrammer/django-tagging-autocomplete.git@9e1b6603972757df9525b49a79dc5789c440e02c#egg=django-tagging-autocomplete

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Original comment by tflam (Bitbucket: tflam, GitHub: Unknown):

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I am also experiencing the issue with
pip install -e

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Original comment by f0rk (Bitbucket: f0rk, GitHub: f0rk):

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Possible fix https://bitbucket.org/pypa/setuptools/pull-requests/161/issue-464-dont-crash-using-super-on-a-old/diff

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Original comment by ryanleeschneider (Bitbucket: ryanleeschneider, GitHub: Unknown):

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I see the same issue pip installing redis==2.4.9, and I believe Ryan Kelly is correct, the issue is with packages that use 'old-style' classes (not derived from object).

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Original comment by christianmlong (Bitbucket: christianmlong, GitHub: christianmlong):

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I am having the same problem with 18.6, installing an old package (SOAPpy-0.12.6) from a private github repo.

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Original comment by papachoco (Bitbucket: papachoco, GitHub: papachoco):

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IT happens also w/ zc.buildout

cmd_obj.run()

File "build/bdist.macosx-10.11-x86_64/egg/setuptools/command/develop.py", line 32, in run
File "build/bdist.macosx-10.11-x86_64/egg/setuptools/command/develop.py", line 132, in install_for_development
File "build/bdist.macosx-10.11-x86_64/egg/setuptools/command/easy_install.py", line 695, in process_distribution

File "build/bdist.macosx-10.11-x86_64/egg/setuptools/command/develop.py", line 160, in install_egg_scripts
File "build/bdist.macosx-10.11-x86_64/egg/setuptools/command/develop.py", line 173, in install_wrapper_scripts
TypeError: must be type, not classobj
While:

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Original comment by andrew_dowds (Bitbucket: andrew_dowds, GitHub: Unknown):

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This is breaking our builds. instead of building our source code, setuptools is outputting the following error

line 173, in install_wrapper_scripts
return super(develop, self).install_wrapper_scripts(dist)
TypeError: must be type, not classobj

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Original comment by charlax (Bitbucket: charlax, GitHub: charlax):

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Having the same issue.

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Original comment by thisfred (Bitbucket: thisfred, GitHub: thisfred):

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Same here, reverting to 18.5 solved it.

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Original comment by ericnewcomer (Bitbucket: ericnewcomer, GitHub: ericnewcomer):

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Same problem here: Build Failure

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Original comment by andrew_dowds (Bitbucket: andrew_dowds, GitHub: Unknown):

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buildout is always grabbing newest version of setuptools (18.6). How do I lock buildout at 18.5 to avoid this error?

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Original comment by teamrubberandy (Bitbucket: teamrubberandy, GitHub: teamrubberandy):

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another +1; we're encountering this error when using buildout with 18.6. EDIT resolved by 18.6.1 thanks.

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Original comment by StefanRijnhart (Bitbucket: StefanRijnhart, GitHub: StefanRijnhart):

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@andrew_dowds that would be

python bootstrap.py --setuptools-version 18.5

and

[buildout]
newest = false

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Original comment by chrisw (Bitbucket: chrisw, GitHub: chrisw):

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Just started biting me on Travis nightly builds tonight:

https://travis-ci.org/Mortar/mortar_rdb/jobs/93030519#L256

https://travis-ci.org/Simplistix/mush/jobs/93042214

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Original comment by chrisw (Bitbucket: chrisw, GitHub: chrisw):

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I should note that this only affects Python 2.

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Original comment by darkrho (Bitbucket: darkrho, GitHub: Unknown):

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As a workaround, you can fix the version to 18.5 or don't use -e option in pip.

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Original comment by jonhanks (Bitbucket: jonhanks, GitHub: jonhanks):

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I'm seeing this problem too please fix. Python version 2.7.3
Edit: New version 18.6.1 seems to fix the problem

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Original comment by jaraco (Bitbucket: jaraco, GitHub: jaraco):

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Glad to hear it's fixed. Sorry for the trouble. Tests are needed for this functionality.

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Original comment by chrisw (Bitbucket: chrisw, GitHub: chrisw):

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Indeed, confirm fixed for me.

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Original comment by teamrubberandy (Bitbucket: teamrubberandy, GitHub: teamrubberandy):

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The fast fix on this is much appreciated. Without the fix we would have had to start today by patching our ansible toolchain and our CI configuration, and communicating with a bunch of customers about delayed deployments. Thanks for resolving it so quickly.