[
https://issues.apache.org/jira/browse/ARROW-3012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ASF GitHub Bot updated ARROW-3012:
----------------------------------
Labels: pull-request-available (was: )
> [Python] Installation crashes with setuptools_scm error
> -------------------------------------------------------
>
> Key: ARROW-3012
> URL: https://issues.apache.org/jira/browse/ARROW-3012
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 0.10.0
> Environment: OS: MacOS High Sierra (10.13.5)
> Python: 3.7.0
> Cython: 0.28.5
> Reporter: Diego Argueta
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.11.0
>
>
> To reproduce, on Python 3.7.0:
> {code:none}
> pip3.7 install pyarrow==0.10.0
> {code}
>
> The result is a crash:
> {code:none}
> Collecting pyarrow
> Using cached
> https://files.pythonhosted.org/packages/c0/a0/f7e9dfd8988d94f4952f9b50eb04e14a80fbe39218520725aab53daab57c/pyarrow-0.10.0.tar.gz
> Complete output from command python setup.py egg_info:
> Traceback (most recent call last):
> File "<string>", line 1, in <module>
> File
> "/private/var/folders/6r/dy0_bd2x2kn735d8kymc4qt00000gn/T/pip-install-w77cbide/pyarrow/setup.py",
> line 545, in <module>
> url="https://arrow.apache.org/";
> File
> "/Users/tux/.pyenv/versions/3.7.0/lib/python3.7/site-packages/setuptools/__init__.py",
> line 131, in setup
> return distutils.core.setup(**attrs)
> File "/Users/tux/.pyenv/versions/3.7.0/lib/python3.7/distutils/core.py", line
> 108, in setup
> _setup_distribution = dist = klass(attrs)
> File
> "/Users/tux/.pyenv/versions/3.7.0/lib/python3.7/site-packages/setuptools/dist.py",
> line 370, in __init__
> k: v for k, v in attrs.items()
> File "/Users/tux/.pyenv/versions/3.7.0/lib/python3.7/distutils/dist.py", line
> 292, in __init__
> self.finalize_options()
> File
> "/Users/tux/.pyenv/versions/3.7.0/lib/python3.7/site-packages/setuptools/dist.py",
> line 529, in finalize_options
> ep.load()(self, ep.name, value)
> File
> "/private/var/folders/6r/dy0_bd2x2kn735d8kymc4qt00000gn/T/pip-install-w77cbide/pyarrow/.eggs/setuptools_scm-3.0.6-py3.7.egg/setuptools_scm/integration.py",
> line 23, in version_keyword
> dist.metadata.version = get_version(**value)
> File
> "/private/var/folders/6r/dy0_bd2x2kn735d8kymc4qt00000gn/T/pip-install-w77cbide/pyarrow/.eggs/setuptools_scm-3.0.6-py3.7.egg/setuptools_scm/__init__.py",
> line 135, in get_version
> parsed_version = _do_parse(config)
> File
> "/private/var/folders/6r/dy0_bd2x2kn735d8kymc4qt00000gn/T/pip-install-w77cbide/pyarrow/.eggs/setuptools_scm-3.0.6-py3.7.egg/setuptools_scm/__init__.py",
> line 77, in _do_parse
> parse_result = _call_entrypoint_fn(config, config.parse)
> File
> "/private/var/folders/6r/dy0_bd2x2kn735d8kymc4qt00000gn/T/pip-install-w77cbide/pyarrow/.eggs/setuptools_scm-3.0.6-py3.7.egg/setuptools_scm/__init__.py",
> line 40, in _call_entrypoint_fn
> return fn(config.absolute_root)
> File
> "/private/var/folders/6r/dy0_bd2x2kn735d8kymc4qt00000gn/T/pip-install-w77cbide/pyarrow/setup.py",
> line 498, in parse_version
> return version_from_scm(root)
> File
> "/private/var/folders/6r/dy0_bd2x2kn735d8kymc4qt00000gn/T/pip-install-w77cbide/pyarrow/.eggs/setuptools_scm-3.0.6-py3.7.egg/setuptools_scm/__init__.py",
> line 28, in version_from_scm
> return _version_from_entrypoint(root, "setuptools_scm.parse_scm")
> File
> "/private/var/folders/6r/dy0_bd2x2kn735d8kymc4qt00000gn/T/pip-install-w77cbide/pyarrow/.eggs/setuptools_scm-3.0.6-py3.7.egg/setuptools_scm/__init__.py",
> line 44, in _version_from_entrypoint
> for ep in iter_matching_entrypoints(config.absolute_root, entrypoint):
> AttributeError: 'str' object has no attribute 'absolute_root'
> ----------------------------------------
> Command "python setup.py egg_info" failed with error code 1 in
> /private/var/folders/6r/dy0_bd2x2kn735d8kymc4qt00000gn/T/pip-install-w77cbide/pyarrow/
> {code}
>
> I suspect this is because {{setuptools_scm}} isn't being used correctly. The
> function takes one argument, {{root}}, but judging from the code that uses
> it, it appears to expect a {{setuptools_scm.config.Configuration}} object
> rather than a file path.
> All the documentation says to use {{get_version()}} and the package author
> doesn't seem to be sure that {{version_from_scm()}} should even be a public
> function (see
> [here|https://github.com/pypa/setuptools_scm/blob/master/src/setuptools_scm/__init__.py#L27]).
> Perhaps going with that would be best.
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