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| author | Benoit Pierre <benoit.pierre@gmail.com> | 2019-11-26 20:56:57 +0100 |
|---|---|---|
| committer | Benoit Pierre <benoit.pierre@gmail.com> | 2019-11-27 19:15:34 +0100 |
| commit | 7502dc9ca767927db9599f93cd48851ca59f7a62 (patch) | |
| tree | 55b1fb2031ef2265dcb4eba68101a3179afe5a24 /setuptools/installer.py | |
| parent | e84f616a6507ec9115fad68b221cbf5333d9d2d9 (diff) | |
| download | external_python_setuptools-7502dc9ca767927db9599f93cd48851ca59f7a62.tar.gz external_python_setuptools-7502dc9ca767927db9599f93cd48851ca59f7a62.tar.bz2 external_python_setuptools-7502dc9ca767927db9599f93cd48851ca59f7a62.zip | |
fix possible issue with transitive build dependencies
Handle the case where a missing transitive build dependency is
required by an extra for an already installed build dependency.
Diffstat (limited to 'setuptools/installer.py')
| -rw-r--r-- | setuptools/installer.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/setuptools/installer.py b/setuptools/installer.py index 35bc3cc5..ba9cfce9 100644 --- a/setuptools/installer.py +++ b/setuptools/installer.py @@ -64,8 +64,11 @@ def fetch_build_egg(dist, req): pkg_resources.get_distribution('wheel') except pkg_resources.DistributionNotFound: dist.announce('WARNING: The wheel package is not available.', log.WARN) - if not isinstance(req, pkg_resources.Requirement): - req = pkg_resources.Requirement.parse(req) + # Ignore environment markers: if we're here, it's needed. This ensure + # we don't try to ask pip for something like `babel; extra == "i18n"`, + # which would always be ignored. + req = pkg_resources.Requirement.parse(str(req)) + req.marker = None # Take easy_install options into account, but do not override relevant # pip environment variables (like PIP_INDEX_URL or PIP_QUIET); they'll # take precedence. |