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python-linkme-wrapper

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This commit is contained in:
Florian Friesdorf 2013-01-21 20:02:57 +01:00
parent d6a18fe4ae
commit 1fa2e7f9a9
3 changed files with 49 additions and 0 deletions
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13
pkgs/development/interpreters/python/python-linkme-wrapper.nix Normal file
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@ -0,0 +1,13 @@
{ stdenv }:
stdenv.mkDerivation {
name = "python-linkme-wrapper-1.0";
unpackPhase = "true";
installPhase = ''
mkdir -p $out/bin
cat ${./python-linkme-wrapper.sh} > $out/bin/.python-linkme-wrapper
chmod +x $out/bin/.python-linkme-wrapper
'';
}

34
pkgs/development/interpreters/python/python-linkme-wrapper.sh Normal file
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@ -0,0 +1,34 @@
#!/bin/sh
#
# Install it into a nix profile and from there build symlink chains.
# The chain will be followed to set the PYTHONPATH
# A/bin/foo -> B/bin/bar -> NIXENV/bin/.python-linkme-wrapper.sh
#
if test ! -L "$0"; then
echo "Link me!"
exit 1
fi
PROG=$(basename "$0")
SITES=
pypath() {
BIN=$(dirname "$1")
BIN=$(realpath -s "$BIN")
ENV=$(dirname "$BIN")
SITE="$ENV/lib/python2.7/site-packages"
SITES="$SITES${SITES:+:}$SITE"
PRG=$BIN/$(readlink "$1")
if test -L "$PRG"; then
pypath "$PRG"
fi
}
pypath $(realpath -s "$0")
export PYTHONPATH="$PYTHONPATH${PYTHONPATH:+:}$SITES"
exec $BIN/$PROG "$@"

2
pkgs/top-level/all-packages.nix
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@ -2859,6 +2859,8 @@ let
pythonhomeWrapper = callPackage ../development/interpreters/python/pythonhome-wrapper.nix { };
pythonLinkmeWrapper = callPackage ../development/interpreters/python/python-linkme-wrapper.nix { };
pyrex = pyrex095;
pyrex095 = callPackage ../development/interpreters/pyrex/0.9.5.nix { };