2 import req, dispatch, session, form
4 def wsgiwrap(callable):
5 def wrapper(env, startreq):
6 return dispatch.handle(req.origrequest(env), startreq, callable)
9 def formparams(callable):
11 data = form.formdata(req)
12 spec = inspect.getargspec(callable)
13 args = dict(data.items())
16 for arg in list(args):
17 if arg not in spec.args:
19 return callable(**args)
22 def persession(data = None):
25 sess = session.get(req)
26 if callable not in sess:
28 sess[callable] = callable()
32 sess[callable] = callable(data)
33 return sess[callable].handle(req)
37 class sessiondata(object):
39 def get(cls, req, create = True):
40 sess = cls.sessdb().get(req)
53 return session.default.val
55 class autodirty(sessiondata):
58 ret = super(autodirty, cls).get(req)
59 if "_is_dirty" not in ret.__dict__:
60 ret.__dict__["_is_dirty"] = False
64 self.__dict__["_is_dirty"] = False
69 def __setattr__(self, name, value):
70 super(autodirty, self).__setattr__(name, value)
71 if "_is_dirty" in self.__dict__:
72 self.__dict__["_is_dirty"] = True
74 def __delattr__(self, name):
75 super(autodirty, self).__delattr__(name, value)
76 if "_is_dirty" in self.__dict__:
77 self.__dict__["_is_dirty"] = True
79 class manudirty(object):
80 def __init__(self, *args, **kwargs):
81 super(manudirty, self).__init__(*args, **kwargs)
93 class specslot(object):
94 __slots__ = ["nm", "idx", "dirty"]
97 def __init__(self, nm, idx, dirty):
104 # Avoid calling __getattribute__
105 return specdirty.__sslots__.__get__(ins, type(ins))
107 def __get__(self, ins, cls):
108 val = self.slist(ins)[self.idx]
109 if val is specslot.unbound:
110 raise AttributeError("specslot %r is unbound" % self.nm)
113 def __set__(self, ins, val):
114 self.slist(ins)[self.idx] = val
118 def __delete__(self, ins):
119 self.slist(ins)[self.idx] = specslot.unbound
122 class specclass(type):
123 def __init__(self, name, bases, tdict):
124 super(specclass, self).__init__(name, bases, tdict)
127 for cls in self.__mro__:
128 css = cls.__dict__.get("__saveslots__", ())
130 dslots.update(cls.__dict__.get("__dirtyslots__", css))
131 self.__sslots_l__ = list(sslots)
132 self.__sslots_a__ = list(sslots | dslots)
133 for i, slot in enumerate(self.__sslots_a__):
134 setattr(self, slot, specslot(slot, i, slot in dslots))
136 class specdirty(sessiondata):
137 __metaclass__ = specclass
138 __slots__ = ["session", "__sslots__", "_is_dirty"]
140 def __specinit__(self):
144 def __new__(cls, req, sess):
145 self = super(specdirty, cls).__new__(cls)
147 self.__sslots__ = [specslot.unbound] * len(cls.__sslots_a__)
149 self._is_dirty = False
152 def __getnewargs__(self):
153 return (None, self.session)
156 self._is_dirty = True
158 def sessfrozen(self):
159 self._is_dirty = False
162 return self._is_dirty
164 def __getstate__(self):
166 for nm, val in zip(type(self).__sslots_a__, specslot.slist(self)):
167 if val is specslot.unbound:
168 ret[nm] = False, None
173 def __setstate__(self, st):
174 ss = specslot.slist(self)
175 for i, nm in enumerate(type(self).__sslots_a__):
176 bound, val = st.pop(nm, (False, None))
177 print i, nm, bound, val
179 ss[i] = specslot.unbound