Setuptools 6.0.1 causing pip installs to fail on Windows

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Originally reported by: freaky_dug (Bitbucket: freaky_dug, GitHub: Unknown)

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Since the 6.0.1 release of setuptools I have consistently been getting the following error installing packages on Windows:

I:\>pip install Fabric
Downloading/unpacking Fabric
  Running setup.py (path:c:\users\username\appdata\local\temp\pip_build_username\Fabric\setup.py) egg_info for package Fabric

    warning: no previously-included files matching '*' found under directory 'sites\docs\_build'
    warning: no previously-included files matching '*' found under directory 'sites\www\_build'
    warning: no previously-included files matching '*.pyc' found under directory 'tests'
    warning: no previously-included files matching '*.pyo' found under directory 'tests'
Requirement already satisfied (use --upgrade to upgrade): paramiko>=1.10 in c:\python27\lib\site-packages (from Fabric)
Installing collected packages: Fabric
  Running setup.py install for Fabric

    warning: no previously-included files matching '*' found under directory 'sites\docs\_build'
    warning: no previously-included files matching '*' found under directory 'sites\www\_build'
    warning: no previously-included files matching '*.pyc' found under directory 'tests'
    warning: no previously-included files matching '*.pyo' found under directory 'tests'
    Installing fab-script.py script to C:\Python27\Scripts
    Installing fab.exe script to C:\Python27\Scripts
    Installing fab.exe.manifest script to C:\Python27\Scripts
  Could not find .egg-info directory in install record for Fabric
Cleaning up...
Exception:
Traceback (most recent call last):
  File "C:\Python27\lib\site-packages\pip\basecommand.py", line 122, in main
    status = self.run(options, args)
  File "C:\Python27\lib\site-packages\pip\commands\install.py", line 283, in run
    requirement_set.install(install_options, global_options, root=options.root_path)
  File "C:\Python27\lib\site-packages\pip\req.py", line 1435, in install
    requirement.install(install_options, global_options, *args, **kwargs)
  File "C:\Python27\lib\site-packages\pip\req.py", line 749, in install
    os.remove(record_filename)
WindowsError: [Error 32] The process cannot access the file because it is being
used by another process: 'c:\\users\\username\\appdata\\local\\temp\\pip-syd0tc-record\\install-record.txt'

Storing debug log for failure in C:\Users\username\pip\pip.log

If I downgrade to setuptools 5.8 the problem goes away.

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• Bitbucket: https://bitbucket.org/pypa/setuptools/issue/262

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

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Based on the warning message

  Could not find .egg-info directory in install record for Fabric

And the fact that pip is tripping over the install-record.txt, I suspect the issue is related to the patch for #118, submitted as Pull Request #80.

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

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Backout 5692cd26a08e; Ref #262.

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

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I've put a beta release 6.0.2b1 with the issue-118 issue backed out in the downloads section. Can you try that and report if that corrects the failure?

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

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Yep, that fixed the problem.

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

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Update changelog. Fixes #262. Re-opens #118.