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python-wrapper.sh

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#!/bin/bash

SCRIPT=`readlink -f -- $0`

SCRIPTPATH=`dirname $SCRIPT`

APPDIR="${APPDIR:-$SCRIPTPATH/../..}"

# Configure the environment

prefix="{{PREFIX}}"

export TCL_LIBRARY="$(ls -d ${APPDIR}/${prefix}/share/tcltk/tcl* | tail -1)"

export TK_LIBRARY="$(ls -d ${APPDIR}/${prefix}/share/tcltk/tk* | tail -1)"

export TKPATH="${TK_LIBRARY}"

# Resolve symlinks within the image

nickname="{{PYTHON}}"

executable="${APPDIR}/${prefix}/bin/${nickname}"

if [ -L "${executable}" ]; then

nickname="$(basename $(readlink -f ${executable}))"

fi

for opt in "$@"

do

[ "${opt:0:1}" != "-" ] && break

if [[ "${opt}" =~ "I" ]] || [[ "${opt}" =~ "E" ]]; then

# Environment variables are disabled ($PYTHONHOME). Let's run in a safe

# mode from the raw Python binary inside the AppImage

"$APPDIR/${prefix}/bin/${nickname}" "$@"

exit "$?"

fi

done

# But don't resolve symlinks from outside!

if [[ "${ARGV0}" =~ "/" ]]; then

executable="$(cd $(dirname ${ARGV0}) && pwd)/$(basename ${ARGV0})"

elif [[ "${ARGV0}" != "" ]]; then

executable=$(which "${ARGV0}")

fi

# Wrap the call to Python in order to mimic a call from the source

# executable ($ARGV0), but potentially located outside of the Python

# install ($PYTHONHOME)

(PYTHONHOME="${APPDIR}/${prefix}" exec -a "${executable}" "$APPDIR/${prefix}/bin/${nickname}" "$@")

exit "$?"