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PIP_EXISTS_ACTION environment variable causes error. #772

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bear330 opened this Issue Jan 18, 2013 · 0 comments

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bear330 commented Jan 18, 2013

export PIP_EXISTS_ACTION=w

pip install requests

=>
An error occured during configuration: option --exists-action: invalid choice: ['w'] (choose from 's', 'i', 'w', 'b')

The bug is on baseparser.py, ConfigOptionParser.update_defaults.

@sp4ke sp4ke referenced this issue Jan 27, 2013

Closed

Fixes #772 #781

qwcode added a commit to qwcode/pip that referenced this issue Sep 16, 2013

When action is 'append', let's check value by value.
Previously, we used `convert_value' in all cases, which seems
to try to detect lists based on the value of nargs, but that fails
with lists of one item. This "worked" for 'str' options, because
the values don't get checked, but was failing for choice types
(see Issue pypa#772), and would fail for other types like int.

@qwcode qwcode closed this in #1201 Sep 16, 2013

qwcode added a commit that referenced this issue Sep 16, 2013

Merge pull request #1201 from qwcode/issue_772
fix for #772 (bug when setting PIP_EXISTS_ACTION='s')
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