Commit 4bd52524 authored by Xavier Thompson's avatar Xavier Thompson

[fix] Allow only installable DEVELOP_DIST in index

The package index considers may yield develop dists found on its local
search_path - sys.path by default - in addition to its index_url.

This commit discards such dists when they do not contain a setup.py
nor a pyproject.toml, as a good heuristic of whether they will be
installable or not.
parent 021cd43b
......@@ -481,8 +481,11 @@ class Installer(object):
dists = [dist for dist in index[requirement.project_name]
if ((dist in requirement)
and
((not source) or
(dist.precedence == pkg_resources.SOURCE_DIST)
(dist.precedence == pkg_resources.SOURCE_DIST if source
else not (dist.precedence == pkg_resources.DEVELOP_DIST
and {'setup.py', 'pyproject.toml'}.isdisjoint(
os.listdir(dist.location))
)
)
)
]
......
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