def _generate_session_id(self):
while True:
rand = os.urandom(16)
now = time.time()
secret_key = self._config.secret_key
session_id = sha1("%s%s%s%s" %(rand, now, utils.safestr(http.request.ip), secret_key))
session_id = session_id.hexdigest()
if session_id not in self.store:
break
return session_id
def wsgifunc(self, *middleware):
"""Returns a WSGI-compatible function for this application."""
def peep(iterator):
try: firstchunk = iterator.next()
except StopIteration: firstchunk = ''
return itertools.chain([firstchunk], iterator)
def is_generator(x): return x and hasattr(x, 'next')
def wsgi(env, start_resp):
# clear threadlocal to avoid inteference of previous requests
self._cleanup()
self.load(env)
try:
# allow uppercase methods only
if http.request.method.upper() != http.request.method:
raise http.nomethod()
result = self.handle_with_processors()
if isinstance(result, tuple) and len(result)==2:
content_type, result = result[0], [result[1]]
http.header("Content-type", content_type, unique=True)
elif is_generator(result):
result = peep(result)
else:
result = [result]
except http.HTTPError, e:
result = [e.data]
result = utils.safestr(iter(result))
status, headers = http.request.status, http.request.headers
start_resp(status, headers)
def cleanup():
self._cleanup()
yield '' # force this function to be a generator
return itertools.chain(result, cleanup())
