more gracefully find what should be the installation root

1 files changed, 5 insertions, 7 deletions

diff --git a/pagehandler.py b/pagehandler.py
index f9a293d..d0f2c1b 100755
--- a/pagehandler.py
+++ b/pagehandler.py
@@ -9,13 +9,10 @@ import os
 import sys
 
 def application(env, resp):
-  # the apache config sets a hint of where we are installed, which is
-  # needed in mod_python since cwd is not automatically set
-  try:
-    sys.path+=[req.subprocess_env["PT_INSTALLROOT"]]
-    os.chdir(req.subprocess_env["PT_INSTALLROOT"])
-  except:
-    pass
+  # everything is currently run relative to the pagehandler script.
+  whereami = os.path.dirname(env['SCRIPT_FILENAME'])
+  sys.path+=[whereami]
+  os.chdir(whereami)
 
   import patchtracker.ReqHandler as ReqHandler
   try:
@@ -27,6 +24,7 @@ def application(env, resp):
     return ReqHandler.ErrorCmd(str(e), e.status).output()
 
 if __name__ == '__main__':
+  os.environ['SCRIPT_FILENAME'] = sys.argv[0]
   from wsgiref import simple_server as ss
   print "pagehandler test server running..."
   server = ss.WSGIServer( ('',8080), ss.WSGIRequestHandler)