Instead of using per plass decorators you might use a class decorator that
enhances the function/method decorators with the class name:
commands_dict = {}
ivars_dict = {}
# Use as function/method decorator
def cmd(command_name):
class Decorator:
def __init__(self, func):
self.func = func
try: # for Python 2
self.isMethod = 'self' in func.func_code__.co_varnames
except: # for Python 3
self.isMethod = 'self' in func.__code__.co_varnames
commands_dict[command_name] = self.__call__
ivars_dict[command_name] = 'testClass'
def __call__(self, *args, **kwargs):
if self.isMethod:
print("*** className at runtime call:", self.className)
return self.func(args[0], *args, **kwargs)
# args[0]: implicit 'self' of class method
else:
return self.func(*args, **kwargs)
return Decorator
# Use as class decorator
def addClassnames(aClass):
for key, value in aClass.__dict__.items():
isDecorator = 'Decorator' in str(value)
if isDecorator:
value.__dict__['className'] = aClass.__name__
def onCall(*args, **kwargs):
return aClass(*args, **kwargs)
return onCall
@cmd('command1')
def pureFunction(event=None):
"""pureFunction docstring"""
print("pureFunction with argument:", event)
return ("...exit pureFunction")
@addClassnames
class MyClass:
@cmd('command2')
def instanceMethod(self, event=None):
"""instanceMethod docstring"""
print("MyClass.instanceMethod with argument:", event)
return ("...exit instanceMethod")
for command in commands_dict:
func = commands_dict[command]
result = func('anArgument')
print("result:", result)
Reinhard
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