Intercept the PYTHON exec in node-gyp

Author: smashwilson

.gitignore

@@ -4,3 +4,4 @@
 .DS_Store
 npm-debug.log
 *~
+*.pyc

bin/apm

@@ -31,5 +31,7 @@ then
   export npm_config_node_gyp="$maybe_node_gyp_path"
 fi
 
+export PYTHON="${binDir}/python-interceptor.sh"
+
 builtin cd "$initialCwd"
 "$binDir/$nodeBin" "$binDir/../lib/cli.js" "$@"

bin/npm

@@ -2,6 +2,8 @@
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 export PATH="$SCRIPT_DIR:$PATH"
 
+export PYTHON="${SCRIPT_DIR}/python-interceptor.sh"
+
 maybe_node_gyp_path="$SCRIPT_DIR"/../node_modules/.bin/node-gyp
 if [ -e "$maybe_node_gyp_path" ]
 then

bin/python-interceptor.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+printf "Invoked with: " >>${HOME}/interceptor.log
+printf '[%s] | ' "${@}" >>${HOME}/interceptor.log
+printf '\n' >>${HOME}/interceptor.log
+
+case $1 in
+  */gyp_main.py)
+    GENERATOR_DIR=$(mktemp -d 2>/dev/null || mktemp -d -t 'generator')
+    trap "rm -r ${GENERATOR_DIR}" EXIT
+    FORMAT_PY="${GENERATOR_DIR}/safemake.py"
+    cp "${SCRIPT_DIR}/../src/generator/safemake.py" "${FORMAT_PY}"
+  
+    ARGS=()
+    FORMAT_ARG_ADDED="no"
+    while [ $# -gt 0 ]; do
+      case "${1}" in
+        -f=*|--format=*)
+          if [ "${FORMAT_ARG_ADDED}" = "no" ]; then
+            ARGS+=("--format" "${FORMAT_PY}")
+            FORMAT_ARG_ADDED="yes"
+          fi
+          ;;
+        -f|--format)
+          shift
+          if [ "${FORMAT_ARG_ADDED}" = "no" ]; then
+            ARGS+=("--format" "${FORMAT_PY}")
+            FORMAT_ARG_ADDED="yes"
+          fi
+          ;;
+        *)
+          ARGS+=("$1")
+          ;;
+      esac
+      shift
+    done
+
+    if [ "${FORMAT_ARG_ADDED}" = "no" ]; then
+      ARGS+=("--format=${FORMAT_PY}")
+    fi
+
+    printf "exec python with: " >>${HOME}/interceptor.log
+    printf '[%s] | ' "${ARGS[@]}" >>${HOME}/interceptor.log
+    printf '\n' >>${HOME}/interceptor.log
+
+    python "${ARGS[@]}"
+    ;;
+  *)
+    printf "passthrough unmodified\n" >>${HOME}/interceptor.log
+    exec python "$@"
+    ;;
+esac