Python decorator with params

decor.py

def decor(func):
    def wrap(*args, **kwargs):
        print('before a')
        print(args)
        args[0].log()
        res = func(*args, **kwargs)
        print('after a')
    return wrap

def param_decor(param1):
    def decor(func):
        def wrap(*args, **kwargs):
            print('before a with ', param1)
            res = func(*args, **kwargs)
            print('after a')
            return res
        return wrap
    return decor

@param_decor('testsststs')        
def a(arg1):
    print('a', arg1)

class A:
    @decor
    def meth1(self):
        print('mehod1')
    def log(self):
        print('log1')
 
    
a('argsss')
#A().meth1()