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From "Ran Ziv (JIRA)" <>
Subject [jira] [Created] (ARIA-304) Unable to install apache-ariatosca[ssh] via PyPI
Date Sun, 09 Jul 2017 07:32:00 GMT
Ran Ziv created ARIA-304:

             Summary: Unable to install apache-ariatosca[ssh] via PyPI
                 Key: ARIA-304
             Project: AriaTosca
          Issue Type: Bug
    Affects Versions: 0.1.0
            Reporter: Ran Ziv
            Assignee: Ran Ziv
            Priority: Critical

Attempting to install ARIA's {{ssh}} optional dependency via:
{{pip install apache-ariatosca[ssh]}}
will result in an error on a non-Windows machine:
{{ImportError: No module named _winreg}}

This is due to a limitation of {{wheel}} with regards to environment-marked dependencies (which
results in an attempt to install a Windows-specific dependency on any platform).
See related issue ARIA-301.

This also applies for sdist installations as pip will attempt to create a wheel prior to installation.

The workaround for this is to use the {{no-binary}} pip flag, which tells it not to use {{wheel}}
and thereby avoiding the limitation:
{{pip install apache-ariatosca[ssh] --no-binary apache-ariatosca}}

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