improve abstract property support (closes #11610)
Thanks to Darren Dale for patch.
diff --git a/Lib/abc.py b/Lib/abc.py
index 40f88b9..09778e8 100644
--- a/Lib/abc.py
+++ b/Lib/abc.py
@@ -26,7 +26,8 @@
class abstractclassmethod(classmethod):
- """A decorator indicating abstract classmethods.
+ """
+ A decorator indicating abstract classmethods.
Similar to abstractmethod.
@@ -36,6 +37,9 @@
@abstractclassmethod
def my_abstract_classmethod(cls, ...):
...
+
+ 'abstractclassmethod' is deprecated. Use 'classmethod' with
+ 'abstractmethod' instead.
"""
__isabstractmethod__ = True
@@ -46,7 +50,8 @@
class abstractstaticmethod(staticmethod):
- """A decorator indicating abstract staticmethods.
+ """
+ A decorator indicating abstract staticmethods.
Similar to abstractmethod.
@@ -56,6 +61,9 @@
@abstractstaticmethod
def my_abstract_staticmethod(...):
...
+
+ 'abstractstaticmethod' is deprecated. Use 'staticmethod' with
+ 'abstractmethod' instead.
"""
__isabstractmethod__ = True
@@ -66,7 +74,8 @@
class abstractproperty(property):
- """A decorator indicating abstract properties.
+ """
+ A decorator indicating abstract properties.
Requires that the metaclass is ABCMeta or derived from it. A
class that has a metaclass derived from ABCMeta cannot be
@@ -88,7 +97,11 @@
def getx(self): ...
def setx(self, value): ...
x = abstractproperty(getx, setx)
+
+ 'abstractproperty' is deprecated. Use 'property' with 'abstractmethod'
+ instead.
"""
+
__isabstractmethod__ = True