add function clean up the python environment. thanks luke

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk/utils@40311 20353a03-c40f-0410-a6d1-a30d3c3de9de

cloudooo/mimemapper.py

@@ -34,6 +34,7 @@ from filter import Filter
 from os import environ, path
 from interfaces.mimemapper import IMimemapper
 from types import InstanceType
+from utils import getCleanPythonEnvironment
 from sys import executable as python_path
 
 class MimeMapper(object):
@@ -117,7 +118,7 @@ class MimeMapper(object):
     stdout, stderr = Popen(' '.join(command),
                           stdout=PIPE,
                           close_fds=True,
-                          shell=True).communicate()
+                          shell=True, env=getCleanPythonEnvironment()).communicate()
     exec(stdout)
     for key, value in filter_dict.iteritems():
       filter_name = key

cloudooo/utils.py

@@ -29,12 +29,34 @@
 from socket import socket, error
 from errno import EADDRINUSE
 from time import sleep
-from os import remove
+from os import remove, environ
 from shutil import rmtree
 import logging
 
 logger = logging.getLogger('Cloudooo')
 
+PYTHON_ENVIRONMENT = [
+      'PYTHONHOME',
+      'PYTHONPATH',
+      'PYTHONSTARTUP',
+      'PYTHONY2K',
+      'PYTHONOPTIMIZE',
+      'PYTHONDEBUG',
+      'PYTHONDONTWRITEBYTECODE',
+      'PYTHONINSPECT',
+      'PYTHONNOUSERSITE',
+      'PYTHONNOUSERSITE',
+      'PYTHONUNBUFFERED',
+      'PYTHONVERBOSE'
+]
+
+def getCleanPythonEnvironment():
+    env = environ.copy()
+    # Clean python related environment variables
+    for k in PYTHON_ENVIRONMENT:
+      env.pop(k, None)
+    return env
+
 def removeDirectory(path):
   """Remove directory"""
   try: