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| author | Frederik Rietdijk <fridh@fridh.nl> | 2021-03-23 11:27:27 +0100 |
|---|---|---|
| committer | Frederik Rietdijk <fridh@fridh.nl> | 2021-03-23 11:27:27 +0100 |
| commit | 7a65bb76f1db44f8af6e13d81d13f41d69fb1948 (patch) | |
| tree | 0cffcfeef848446a355c4e4323a479f5791dd1ac | |
| parent | 13465b16c8fc083c8d211a8e5505514f1f44873c (diff) | |
pythonPackages: fix editable setuptools installations
| -rw-r--r-- | pkgs/development/interpreters/python/hooks/setuptools-build-hook.sh | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkgs/development/interpreters/python/hooks/setuptools-build-hook.sh b/pkgs/development/interpreters/python/hooks/setuptools-build-hook.sh index 311590425e683..cc03774492516 100644 --- a/pkgs/development/interpreters/python/hooks/setuptools-build-hook.sh +++ b/pkgs/development/interpreters/python/hooks/setuptools-build-hook.sh @@ -31,6 +31,13 @@ setuptoolsShellHook() { mkdir -p "$tmp_path/@pythonSitePackages@" eval "@pythonInterpreter@ -m pip install -e . --prefix $tmp_path \ --no-build-isolation >&2" + + # Process pth file installed in tmp path. This allows one to + # actually import the editable installation. Note site.addsitedir + # appends, not prepends, new paths. Hence, it is not possible to override + # an existing installation of the package. + # https://github.com/pypa/setuptools/issues/2612 + export NIX_PYTHONPATH="$tmp_path/@pythonSitePackages@:${NIX_PYTHONPATH-}" fi runHook postShellHook |