init

Author: orsinium

dephell_versioning/__init__.py

@@ -0,0 +1,18 @@
+
+
+# https://github.com/bottlepy/bottle/commit/fa7733e075da0d790d809aa3d2f53071897e6f76
+# https://github.com/pydanny/cached-property/blob/master/cached_property.py
+class cached_property(object):  # noqa: N801
+    """
+    A property that is only computed once per instance and then replaces itself
+    with an ordinary attribute. Deleting the attribute resets the property.
+    """
+    def __init__(self, func):
+        self.__doc__ = func.__doc__
+        self.func = func
+
+    def __get__(self, obj, cls):
+        if obj is None:
+            return self
+        value = obj.__dict__[self.func.__name__] = self.func(obj)
+        return value