Fixed func.__doc__ not being copied

2 files changed, 5 insertions, 16 deletions

diff --git a/src/decorator.py b/src/decorator.py
index 465558f..1cb1596 100644
--- a/src/decorator.py
+++ b/src/decorator.py
@@ -37,11 +37,10 @@ import sys
 import inspect
 import operator
 import itertools
-import abc
 from contextlib import _GeneratorContextManager
 from inspect import getfullargspec, iscoroutinefunction, isgeneratorfunction
 
-__version__ = '5.0.3'
+__version__ = '5.0.4'
 
 DEF = re.compile(r'\s*def\s*([_\w][_\w\d]*)\s*\(')
 POS = inspect.Parameter.POSITIONAL_OR_KEYWORD
@@ -219,23 +218,11 @@ def decorate(func, caller, extras=()):
     fun.__qualname__ = func.__qualname__
     fun.__annotations__ = func.__annotations__
     fun.__kwdefaults__ = func.__kwdefaults__
+    fun.__doc__ = func.__doc__
     fun.__dict__.update(func.__dict__)
     return fun
 
 
-class Decorator(metaclass=abc.ABCMeta):
-    """
-    Abstract base class. Subclass it and override the caller method to
-    define your own decorator factories.
-    """
-    @abc.abstractmethod
-    def caller(self, func, *args, **kw):
-        pass
-
-    def __call__(self, func):
-        return decorate(func, self.caller)
-
-
 def decorator(caller, _func=None):
     """
     decorator(caller) converts a caller function into a decorator
diff --git a/src/tests/documentation.py b/src/tests/documentation.py
index 67bb44a..889f97f 100644
--- a/src/tests/documentation.py
+++ b/src/tests/documentation.py
@@ -1143,10 +1143,12 @@ and not if you pass them as keyword arguments:
 ```
 This can be pretty confusing since non-keyword arguments are passed as
 keywork arguments, but it the way it works with ``functools.wraps`` and
-the way many people expect it to work:
+the way many people expect it to work. You can play with
 
 $$chattywrapper
 
+and see that we are consistent indeed.
+
 In the present implementation, decorators generated by ``decorator``
 can only be used on user-defined Python functions, methods or coroutines.
 I have no interest in decorating generic callable objects. If you want to