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trigger won't install with modern setuptools #313

tarkatronic opened this Issue Mar 7, 2017 · 2 comments


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tarkatronic commented Mar 7, 2017

With setuptools==34.3.1 installed, when running pip install trigger, I get the following:

    Complete output from command python egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/Users/jwilhelm/.virtualenvs/trigger-py2/lib/python2.7/site-packages/setuptools/", line 12, in <module>
        import setuptools.version
      File "/Users/jwilhelm/.virtualenvs/trigger-py2/lib/python2.7/site-packages/setuptools/", line 1, in <module>
        import pkg_resources
      File "/Users/jwilhelm/.virtualenvs/trigger-py2/lib/python2.7/site-packages/pkg_resources/", line 72, in <module>
        import packaging.requirements
      File "/Users/jwilhelm/.virtualenvs/trigger-py2/lib/python2.7/site-packages/packaging/", line 59, in <module>
        MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")
    TypeError: __call__() takes exactly 2 arguments (1 given)

Command "python egg_info" failed with error code 1 in /private/var/folders/mx/gn154d8j3254p213qkhd6n3mlnym4m/T/pip-build-WU_p8B/pyparsing/

I was able to work around this by first running pip install setuptools==0.9.8.


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tarkatronic commented Mar 8, 2017

It looks like you actually can use an even more modern version of setuptools. A simple fix for now would be to add a requires of: setuptools <= 33.1.1


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jathanism commented Mar 8, 2017

Looks like it may actually be an issue w/ pyparsing and not Trigger. See: pypa/setuptools#969

@jathanism jathanism added the bug label Mar 8, 2017

@jathanism jathanism self-assigned this Mar 8, 2017

jathanism added a commit to jathanism/trigger that referenced this issue Mar 8, 2017

@tcuthbert tcuthbert closed this in 51ae04c Mar 8, 2017

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