add = logger(add) # manual decoration print(add(3, 5)) @logger def multiply(a, b): return a * b
closure_func = outer("Secret") closure_func() # Secret def logger(func): def wrapper(*args, **kwargs): print(f"Calling {func. name }") result = func(*args, **kwargs) print(f"Finished {func. name }") return result return wrapper
def debug(func): @wraps(func) # preserves , doc , etc. def wrapper(*args, **kwargs): print(f"{func. name }: args={args}, kwargs={kwargs}") return func(*args, **kwargs) return wrapper
@repeat(times=3) def say_hi(): print("Hi!")
print(power.) # power (not wrapper) print(power. doc ) # Raise base to exponent 6. Decorators with arguments (nested factory) def repeat(times): def decorator(func): @wraps(func) def wrapper(*args, **kwargs): for _ in range(times): result = func(*args, **kwargs) return result return wrapper return decorator
# DEEP DIVE: Python Decorators (Intermediate to Advanced) def greet(name): return f"Hello, {name}"
Complete Python Developer In 2020: Zero To Mastery Lezioni: Scaricare
add = logger(add) # manual decoration print(add(3, 5)) @logger def multiply(a, b): return a * b
closure_func = outer("Secret") closure_func() # Secret def logger(func): def wrapper(*args, **kwargs): print(f"Calling {func. name }") result = func(*args, **kwargs) print(f"Finished {func. name }") return result return wrapper
def debug(func): @wraps(func) # preserves , doc , etc. def wrapper(*args, **kwargs): print(f"{func. name }: args={args}, kwargs={kwargs}") return func(*args, **kwargs) return wrapper
@repeat(times=3) def say_hi(): print("Hi!")
print(power.) # power (not wrapper) print(power. doc ) # Raise base to exponent 6. Decorators with arguments (nested factory) def repeat(times): def decorator(func): @wraps(func) def wrapper(*args, **kwargs): for _ in range(times): result = func(*args, **kwargs) return result return wrapper return decorator
# DEEP DIVE: Python Decorators (Intermediate to Advanced) def greet(name): return f"Hello, {name}"