def _cache_next(self):
now = datetime.now()
key = self._next_key_gen()
val = self.get_argument("next", "/")
c = Cache()
c.key = key
c.value = val
c.expire = now + timedelta(seconds=600)
value = c.findby_key(key)
if value:
c.save(value["_id"])
else:
c.insert()
def _login_redirect(self, status_):
key = self._next_key_gen()
c = Cache()
value = c.findby_key(key)
if value:
next = escape.utf8(value["value"])
c.remove(value["_id"])
else:
next = "/"
#next = self.get_argument("next", "/")
if status_ == const.Status.INIT:
self.redirect("/user/profile?next=%s" % next)
else:
self.redirect(next)
def wrapper(func, self, *args, **kwargs):
now = datetime.now()
if key:
c = key
else:
c = self.__class__.__name__ + func.__name__
k, handler, cond = key_gen(self, condition, anonymous, c, *args,
**kwargs)
value = Cache().findby_key(k)
new_cond = {}
is_valid = _valid_cache(value, handler, cond, new_cond, anonymous, now)
if is_valid and value["status"] in (200, 304) and value["chunk"]:
if new_cond:
c = Page()
c.key = k
c.condition = new_cond["condition"]
c.save(value["_id"])
# finish request with cache chunk and headers
self.set_status(value["status"])
self.set_header("Content-Type",
utf8(value["headers"]["Content-Type"]))
self.write(utf8("".join(value["chunk"])))
else:
func(self, *args, **kwargs)
c = Page()
c.key = k
c.status = self._status_code
c.headers = self._headers
c.chunk = self._write_buffer
c.expire = now + timedelta(seconds=expire)
c.condition = new_cond.get("condition", "")
if value:
c.save(value["_id"])
else:
c.insert()
def wrapper(func, self, *args, **kwargs):
now = datetime.now()
if key:
c = key
else:
c = self.__class__.__name__ + func.__name__
k, handler, cond = key_gen(self, condition, anonymous, c, *args, **kwargs)
value = Cache().findby_key(k)
new_cond = {}
if _valid_cache(value, handler, cond, new_cond, anonymous, now):
if new_cond:
c = Cache()
c.key = k
c.condition = new_cond["condition"]
c.save(value["_id"])
return value["value"]
else:
val = func(self, *args, **kwargs)
c = Cache()
# need key, or save will not work
c.key = k
c.value = val
c.expire = now + timedelta(seconds=expire)
c.condition = new_cond.get("condition", "")
if value:
c.save(value["_id"])
else:
c.insert()
return val
def remove(key):
"""Remove a cache's value."""
c = Cache()
v = c.findby_key(key)
if v:
c.remove(v["_id"])
def wrapper(func, self, *args, **kwargs):
now = datetime.now()
if key:
c = key
else:
c = self.__class__.__name__ + func.__name__
k, handler, cond = key_gen(self, condition, anonymous, c, *args,
**kwargs)
value = Cache().findby_key(k)
new_cond = {}
if _valid_cache(value, handler, cond, new_cond, anonymous, now):
if new_cond:
c = Cache()
c.key = k
c.condition = new_cond["condition"]
c.save(value["_id"])
return value["value"]
else:
val = func(self, *args, **kwargs)
c = Cache()
# need key, or save will not work
c.key = k
c.value = val
c.expire = now + timedelta(seconds=expire)
c.condition = new_cond.get("condition", "")
if value:
c.save(value["_id"])
else:
c.insert()
return val
def remove(key):
"""Remove a cache's value."""
c = Cache()
v = c.findby_key(key)
if v:
c.remove(v["_id"])