73 lines
2.2 KiB
Bash
73 lines
2.2 KiB
Bash
wrapPythonPrograms() {
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wrapPythonProgramsIn $out "$out $pythonPath"
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}
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wrapPythonProgramsIn() {
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local dir="$1"
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local pythonPath="$2"
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local python="@executable@"
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local i
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declare -A pythonPathsSeen=()
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program_PYTHONPATH=
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program_PATH=
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for i in $pythonPath; do
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_addToPythonPath $i
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done
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for i in $(find "$dir" -type f -perm +0100); do
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# Rewrite "#! .../env python" to "#! /nix/store/.../python".
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if head -n1 "$i" | grep -q '#!.*/env.*\(python\|pypy\)'; then
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sed -i "$i" -e "1 s^.*/env[ ]*\(python\|pypy\)^#! $python^"
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fi
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if head -n1 "$i" | grep -q '/python\|/pypy'; then
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# dont wrap EGG-INFO scripts since they are called from python
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if echo "$i" | grep -v EGG-INFO/scripts; then
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echo "wrapping \`$i'..."
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sed -i "$i" -re '1 {
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/^#!/!b; :r
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/\\$/{N;b r}
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/__future__|^ *(#.*)?$/{n;b r}
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/^ *[^# ]/i import sys; sys.argv[0] = '"'$(basename "$i")'"'
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}'
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wrapProgram "$i" \
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--prefix PYTHONPATH ":" $program_PYTHONPATH \
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--prefix PATH ":" $program_PATH
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fi
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fi
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done
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}
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_addToPythonPath() {
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local dir="$1"
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if [ -n "${pythonPathsSeen[$dir]}" ]; then return; fi
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pythonPathsSeen[$dir]=1
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addToSearchPath program_PYTHONPATH $dir/lib/@libPrefix@/site-packages
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addToSearchPath program_PATH $dir/bin
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local prop="$dir/nix-support/propagated-native-build-inputs"
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if [ -e $prop ]; then
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local i
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for i in $(cat $prop); do
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_addToPythonPath $i
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done
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fi
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}
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createBuildInputsPth() {
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local category="$1"
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local inputs="$2"
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if [ foo"$inputs" != foo ]; then
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for x in $inputs; do
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if $(echo -n $x |grep -q python-recursive-pth-loader); then
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continue
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fi
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if test -d "$x"/lib/@libPrefix@/site-packages; then
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echo $x/lib/@libPrefix@/site-packages \
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>> "$out"/lib/@libPrefix@/site-packages/${name}-nix-python-$category.pth
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fi
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done
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fi
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}
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