push sheeet

pkgs/development/interpreters/python/hooks/pypa-install-hook.sh

@@ -0,0 +1,26 @@
+# Setup hook for PyPA installer.
+echo "Sourcing pypa-install-hook"
+
+pypaInstallPhase() {
+    echo "Executing pypaInstallPhase"
+    runHook preInstall
+
+    pushd dist >/dev/null
+
+    for wheel in *.whl; do
+        @pythonInterpreter@ -m installer --prefix "$out" "$wheel"
+        echo "Successfully installed $wheel"
+    done
+
+    popd >/dev/null
+
+    export PYTHONPATH="$out/@pythonSitePackages@:$PYTHONPATH"
+
+    runHook postInstall
+    echo "Finished executing pypaInstallPhase"
+}
+
+if [ -z "${dontUsePypaInstall-}" ] && [ -z "${installPhase-}" ]; then
+    echo "Using pypaInstallPhase"
+    installPhase=pypaInstallPhase
+fi