| 1 | import inspect |
| 2 | import req, dispatch, session, form |
| 3 | |
| 4 | def wsgiwrap(callable): |
| 5 | def wrapper(env, startreq): |
| 6 | return dispatch.handle(req.origrequest(env), startreq, callable) |
| 7 | return wrapper |
| 8 | |
| 9 | def formparams(callable): |
| 10 | def wrapper(req): |
| 11 | data = form.formdata(req) |
| 12 | spec = inspect.getargspec(callable) |
| 13 | args = dict(data.items()) |
| 14 | args["req"] = req |
| 15 | if not spec.keywords: |
| 16 | for arg in list(args): |
| 17 | if arg not in spec.args: |
| 18 | del args[arg] |
| 19 | return callable(**args) |
| 20 | return wrapper |
| 21 | |
| 22 | def persession(data = None): |
| 23 | def dec(callable): |
| 24 | def wrapper(req): |
| 25 | sess = session.get(req) |
| 26 | if callable not in sess: |
| 27 | if data is None: |
| 28 | sess[callable] = callable() |
| 29 | else: |
| 30 | if data not in sess: |
| 31 | sess[data] = data() |
| 32 | sess[callable] = callable(data) |
| 33 | return sess[callable].handle(req) |
| 34 | return wrapper |
| 35 | return dec |
| 36 | |
| 37 | class sessiondata(object): |
| 38 | @classmethod |
| 39 | def get(cls, req, create = True): |
| 40 | sess = cls.sessdb().get(req) |
| 41 | with sess.lock: |
| 42 | try: |
| 43 | return sess[cls] |
| 44 | except KeyError: |
| 45 | if not create: |
| 46 | return None |
| 47 | ret = cls(req) |
| 48 | sess[cls] = ret |
| 49 | return ret |
| 50 | |
| 51 | @classmethod |
| 52 | def sessdb(cls): |
| 53 | return session.default.val |
| 54 | |
| 55 | class autodirty(sessiondata): |
| 56 | @classmethod |
| 57 | def get(cls, req): |
| 58 | ret = super(autodirty, cls).get(req) |
| 59 | if "_is_dirty" not in ret.__dict__: |
| 60 | ret.__dict__["_is_dirty"] = False |
| 61 | return ret |
| 62 | |
| 63 | def sessfrozen(self): |
| 64 | self.__dict__["_is_dirty"] = False |
| 65 | |
| 66 | def sessdirty(self): |
| 67 | return self._is_dirty |
| 68 | |
| 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 |
| 73 | |
| 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 |
| 78 | |
| 79 | class manudirty(object): |
| 80 | def __init__(self, *args, **kwargs): |
| 81 | super(manudirty, self).__init__(*args, **kwargs) |
| 82 | self.__dirty = False |
| 83 | |
| 84 | def sessfrozen(self): |
| 85 | self.__dirty = False |
| 86 | |
| 87 | def sessdirty(self): |
| 88 | return self.__dirty |
| 89 | |
| 90 | def dirty(self): |
| 91 | self.__dirty = True |