Current version 0.8.1-snapshot is not valid according to PEP 440 and causes installation problems

[johann-petrak]

Not sure why I did not see this before but when I try to do something like pip install -e . from a freshly cloned version, I get these error messages:

  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error
  
  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [74 lines of output]
      running egg_info
      /home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/dist.py:755: SetuptoolsDeprecationWarning: Invalid dash-separated options
      !!
      
              ********************************************************************************
              Usage of dash-separated 'description-file' will not be supported in future
              versions. Please use the underscore name 'description_file' instead.
      
              By 2023-Sep-26, you need to update your project and remove deprecated calls
              or your builds will no longer be supported.
      
              See https://setuptools.pypa.io/en/latest/userguide/declarative_config.html for details.
              ********************************************************************************
      
      !!
        opt = self.warn_dash_deprecation(opt, section)
      /home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/dist.py:520: SetuptoolsDeprecationWarning: Invalid version: '0.8.1-snapshot'.
      !!
      
              ********************************************************************************
              The version specified is not a valid version according to PEP 440.
              This may not work as expected with newer versions of
              setuptools, pip, and PyPI.
      
              By 2023-Sep-26, you need to update your project and remove deprecated calls
              or your builds will no longer be supported.
      
              See https://peps.python.org/pep-0440/ for details.
              ********************************************************************************
      
      !!
        self._validate_version(self.metadata.version)
      /home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/command/egg_info.py:131: SetuptoolsDeprecationWarning: Invalid version: '0.8.1-snapshot'.
      !!
      
              ********************************************************************************
              Version '0.8.1-snapshot' is not valid according to PEP 440.
      
              Please make sure to specify a valid version for your package.
              Also note that future releases of setuptools may halt the build process
              if an invalid version is given.
      
              By 2023-Sep-26, you need to update your project and remove deprecated calls
              or your builds will no longer be supported.
      
              See https://peps.python.org/pep-0440/ for details.
              ********************************************************************************
      
      !!
        return _normalization.best_effort_version(tagged)
      Traceback (most recent call last):
        File "<string>", line 2, in <module>
        File "<pip-setuptools-caller>", line 34, in <module>
        File "/disk10t1/data/johann/tmp/farm-tools/FARM/setup.py", line 65, in <module>
          setup(
        File "/home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/__init__.py", line 107, in setup
          return distutils.core.setup(**attrs)
        File "/home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/_distutils/core.py", line 185, in setup
          return run_commands(dist)
        File "/home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/_distutils/core.py", line 201, in run_commands
          dist.run_commands()
        File "/home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/_distutils/dist.py", line 969, in run_commands
          self.run_command(cmd)
        File "/home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/dist.py", line 1244, in run_command
          super().run_command(command)
        File "/home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/_distutils/dist.py", line 987, in run_command
          cmd_obj.ensure_finalized()
        File "/home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/_distutils/cmd.py", line 111, in ensure_finalized
          self.finalize_options()
        File "/home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/command/egg_info.py", line 219, in finalize_options
          parsed_version = packaging.version.Version(self.egg_version)
        File "/home/johann/software/anaconda/envs/farm-tools/lib/python3.8/site-packages/setuptools/_vendor/packaging/version.py", line 197, in __init__
          raise InvalidVersion(f"Invalid version: '{version}'")
      setuptools.extern.packaging.version.InvalidVersion: Invalid version: '0.8.1-snapshot'
      [end of output]
  

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