Import python venv for stability

2026-02-15 21:24:16 -08:00
parent 1343e93a59
commit 7d784705c9
4997 changed files with 1628270 additions and 0 deletions
@@ -0,0 +1,53 @@
+from peewee import ModelDescriptor
+
+
+# Hybrid methods/attributes, based on similar functionality in SQLAlchemy:
+# http://docs.sqlalchemy.org/en/improve_toc/orm/extensions/hybrid.html
+class hybrid_method(ModelDescriptor):
+    def __init__(self, func, expr=None):
+        self.func = func
+        self.expr = expr or func
+
+    def __get__(self, instance, instance_type):
+        if instance is None:
+            return self.expr.__get__(instance_type, instance_type.__class__)
+        return self.func.__get__(instance, instance_type)
+
+    def expression(self, expr):
+        self.expr = expr
+        return self
+
+
+class hybrid_property(ModelDescriptor):
+    def __init__(self, fget, fset=None, fdel=None, expr=None):
+        self.fget = fget
+        self.fset = fset
+        self.fdel = fdel
+        self.expr = expr or fget
+
+    def __get__(self, instance, instance_type):
+        if instance is None:
+            return self.expr(instance_type)
+        return self.fget(instance)
+
+    def __set__(self, instance, value):
+        if self.fset is None:
+            raise AttributeError('Cannot set attribute.')
+        self.fset(instance, value)
+
+    def __delete__(self, instance):
+        if self.fdel is None:
+            raise AttributeError('Cannot delete attribute.')
+        self.fdel(instance)
+
+    def setter(self, fset):
+        self.fset = fset
+        return self
+
+    def deleter(self, fdel):
+        self.fdel = fdel
+        return self
+
+    def expression(self, expr):
+        self.expr = expr
+        return self