wrw/dispatch.py

   1 __all__ = ["restart"]
   2
   3 class restart(Exception):
   4     def handle(self, req):
   5         pass
   6
   7 def mangle(result):
   8     try:
   9         iter(result)
  10     except TypeError:
  11         pass
  12     else:
  13         return result
  14     return [str(result)]
  15
  16 def handle(req, startreq, handler):
  17     try:
  18         resp = [""]
  19         while True:
  20             try:
  21                 resp = handler(req)
  22                 break
  23             except restart, i:
  24                 handler = i.handle
  25         req.commit(startreq)
  26         return resp
  27     finally:
  28         req.cleanup()