python entrypoint + xonsh example

Author: anki

appimage/recipes/xonsh.sh

@@ -0,0 +1,3 @@
+export PYTHON_VERSION="3.7.3"
+export PIP_REQUIREMENTS="xonsh prompt_toolkit gnureadline Pygments"
+export PYTHON_ENTRYPOINT='"-u" "-c" "from xonsh.main import main; main()"'  

linuxdeploy-plugin-python.sh

@@ -20,6 +20,7 @@ script=$(readlink -f $0)
 exe_name="$(basename ${APPIMAGE:-$script})"
 BASEDIR="${APPDIR:-$(readlink -m $(dirname $script))}"
 
+PYTHON_ENTRYPOINT="${PYTHON_ENTRYPOINT:-}"
 
 # Parse the CLI
 show_usage () {
@@ -153,6 +154,7 @@ do
         cp "${BASEDIR}/share/python-wrapper.sh" "$python"
         sed -i "s|[{][{]PYTHON[}][}]|$python|g" "$python"
         sed -i "s|[{][{]PREFIX[}][}]|$prefix|g" "$python"
+        sed -i "s|[{][{]ENTRYPOINT[}][}]|$PYTHON_ENTRYPOINT|g" "$python"
     fi
 done
 

share/python-wrapper.sh

@@ -34,5 +34,5 @@ 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}" "$@")
+(PYTHONHOME="${APPDIR}/${prefix}" exec -a "${executable}" "$APPDIR/${prefix}/bin/${nickname}" {{ENTRYPOINT}} "$@")
 exit "$?"