ValueError "Expected version spec" when installing local wheel via pip

Question

I have a closed-source Python module I am developing and would like to share with people in my workplace. I have built a wheel via setup.py bdist_wheel with this setup.py file:

#!/usr/bin/env python

from setuptools import setup, find_packages

setup(name='mypkg',
      version='0.0.1',
      description='tools for work',
      author='tbhartman',
      packages=find_packages('src', exclude=['test*']),
      package_dir = {'':'src'},
      entry_points={
          'console_scripts':[
              'runtool = mypkg.run:main',
              ],
          },
      install_requires = ['argparse'],
      classifiers = [
          'Development Status :: 3 - Alpha',
          'Programming Language :: Python :: 2',
          ]
     )

I want to test the installation process, so I try
pip install distmypkg-0.0.1-py2-none-any.whl
and get the following traceback:

Exception:
Traceback (most recent call last):
  File "C:Python27libsite-packagespipbasecommand.py", line 139, in main
    status = self.run(options, args)
  File "C:Python27libsite-packagespipcommandsinstall.py", line 235, in run
    InstallRequirement.from_line(name, None))
  File "C:Python27libsite-packagespipreq.py", line 118, in from_line
    return cls(req, comes_from, url=url)
  File "C:Python27libsite-packagespipreq.py", line 43, in __init__
    req = pkg_resources.Requirement.parse(req)
  File "buildbdist.win32eggpkg_resources__init__.py", line 2929, in parse
    reqs = list(parse_requirements(s))
  File "buildbdist.win32eggpkg_resources__init__.py", line 2876, in parse_requirements
    "version spec")
  File "buildbdist.win32eggpkg_resources__init__.py", line 2841, in scan_list
    raise ValueError(msg, line, "at", line[p:])
ValueError: ('Expected version spec in', 'dist/mypkg-0.0.1-py2-none-any.whl', 'at', '/mypkg-0.0.1-py2-none-any.whl')

Storing complete log in C:Userstbhartmanpippip.log

What is the problem and how to I fix it?

Asked By: tbhartman

||

Source

Answer 1

I was using a very out-of-date version of PIP.

$ pip -V
pip 1.3.1 from C:Python27libsite-packages (python 2.7)

I upgraded to pip 6.0.8 and all is well.

Answered By: tbhartman

Answer 2

Using the Ubuntu 14.04 AMI on AWS, I found I had to upgrade setuptools:

sudo pip3 install -vU setuptools

Answered By: z0r

ValueError "Expected version spec" when installing local wheel via pip

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