Fix path to the wxglade python package.

Index: wxglade
--- wxglade.orig
+++ wxglade
@@ -7,80 +7,12 @@
 #
 # Shell script to start wxGlade
 #
-# The wxGlade main script is called wxglade.py. It will be searched at
-# three places:
-#  1. parallel to this script
-#  2. in the module directory of the current Python
-#  3. in a parallel Python module directory
 
 # Keep this up to date with version.py and sphinx/conf.py
 WXG_VERSION="1.0.0"
 
-CURR_DIR=$(dirname "$0")
-
-# search order for Python interpreter
-INTERPRETER_LIST="${CURR_DIR}/python python3 python2 \
-                  python2.7 python27 \
-                  python"
-
-# Use the binary from PYTHON_BIN, if this environment variable is set
-if [ "$PYTHON_BIN" ]; then
-  INTERPRETER_LIST="$PYTHON_BIN"
-fi
-
-for INTERPRETER in $INTERPRETER_LIST; do
-  ${INTERPRETER} -V >/dev/null 2>&1
-  if [ $? -ne 0 ]; then
-    continue
-  fi
-
-  # Python interpreter found
-  PYTHON_BIN=$INTERPRETER
-
-  # determined current python version
-  PY_VERSION=$(${PYTHON_BIN} -c 'import sys; print(sys.version[:3])')
-
-  EGG_DIR="wxGlade-${WXG_VERSION}-py${PY_VERSION}.egg"
-
-  # determined prefix of the Python module directory structure
-  if [ -d "/usr/lib/pymodules/python${PY_VERSION}/wxglade" ]; then
-    WXG_MODULE_PATH="/usr/lib/pymodules/python${PY_VERSION}/wxglade"
-  elif [ -d "/usr/lib/pymodules/python${PY_VERSION}/site-packages/${EGG_DIR}/wxglade" ]; then
-    WXG_MODULE_PATH="/usr/lib/pymodules/python${PY_VERSION}/site-packages/${EGG_DIR}/wxglade"
-  else
-    WXG_MODULE_PATH="/usr/lib/python${PY_VERSION}/wxglade"
-  fi
-
-  # search wxglade.py
-  # dist-packages is only used in Debian and Debian derivates
-  for DIR in \
-     "${CURR_DIR}" \
-     "${WXG_MODULE_PATH}" \
-     "${CURR_DIR}/../lib/python${PY_VERSION}/site-packages/wxglade" \
-     "${CURR_DIR}/../lib/python${PY_VERSION}/site-packages/${EGG_DIR}/wxglade" \
-     "${CURR_DIR}/../lib/python${PY_VERSION}/dist-packages/wxglade" \
-     ; do
-    BINARY="${DIR}/wxglade.py"
-    if [ -e "${BINARY}" ]; then
-      WXG_BINARY="$BINARY"
-      break
-    fi
-  done
-  if [ -n "${WXG_BINARY}" ]; then
-    break
-  fi
-done
-
-if [ ! "$PYTHON_BIN" ]; then
-  echo "ERROR: No interpreter for Python found!"
-  echo "       Please install Python to run wxGlade!"
-  exit 1
-fi
-
-if [ ! "${WXG_BINARY}" ]; then
-  echo "ERROR: wxglade.py not found!"
-  exit 1
-fi
+PYTHON_BIN=${MODPY_BIN}
+WXG_BINARY=${TRUEPREFIX}/lib/python${MODPY_VERSION}/site-packages/wxglade/wxglade.py
 
 # exec wxGlade
 exec "${PYTHON_BIN}" "${WXG_BINARY}" "$@"