X-Git-Url: http://git.dolda2000.com/gitweb/?a=blobdiff_plain;f=wrw%2Futil.py;h=1c2ed6fc9525cbb461101edae20b30f11b151638;hb=61f96448641cf83a95fdc557c323e7009ba55cd8;hp=b757e14a724c8f9aec56d568a4bea96b099c90fc;hpb=fed807e31c96fef8d941b34a25a1f5044b2d4e8d;p=wrw.git

diff --git a/wrw/util.py b/wrw/util.py
index b757e14..1c2ed6f 100644
--- a/wrw/util.py
+++ b/wrw/util.py
@@ -19,3 +19,57 @@ def persession(data = None):
             return sess[callable].handle(req)
         return wrapper
     return dec
+
+class sessiondata(object):
+    @classmethod
+    def get(cls, req):
+        sess = cls.sessdb().get(req)
+        with sess.lock:
+            try:
+                return sess[cls]
+            except KeyError:
+                ret = cls(req)
+                sess[cls] = ret
+                return ret
+
+    @classmethod
+    def sessdb(cls):
+        return session.default
+
+class autodirty(sessiondata):
+    @classmethod
+    def get(cls, req):
+        ret = super().get(req)
+        if "_is_dirty" not in ret.__dict__:
+            ret.__dict__["_is_dirty"] = False
+        return ret
+
+    def sessfrozen(self):
+        self.__dict__["_is_dirty"] = False
+
+    def sessdirty(self):
+        return self._is_dirty
+
+    def __setattr__(self, name, value):
+        super().__setattr__(name, value)
+        if "_is_dirty" in self.__dict__:
+            self.__dict__["_is_dirty"] = True
+
+    def __delattr__(self, name):
+        super().__delattr__(name, value)
+        if "_is_dirty" in self.__dict__:
+            self.__dict__["_is_dirty"] = True
+
+class manudirty(object):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.__dirty = False
+
+    def sessfrozen(self):
+        self.__dirty = False
+
+    def sessdirty(self):
+        return self.__dirty
+
+    def dirty(self):
+        self.__dirty = True