Python中Merry库是否支持异常处理？附相关实现代码咨询

Absolutely! The Merry library is specifically built to simplify and streamline exception handling in Python—it’s entirely focused on this job, and it helps you write cleaner, more Pythonic error-handling code.

Let’s break down how it works using your own code as an example:

• The @merry._try decorator wraps your target function (write_to_file here), which means all code inside that function runs within a try block under the hood.
• Each @merry._except(ErrorType) decorator links a handler function to a specific exception type. For instance, your fileNotFoundError function will automatically trigger whenever write_to_file throws a FileNotFoundError, printing your custom message.
• The final @merry._except(Exception) handler acts as a catch-all, capturing any other exceptions that aren’t explicitly handled by the more specific decorators above it.

A quick note on your code: It looks like your catch_all function’s print statement is incomplete. To display the exception details properly, you’ll want to finish it like this:

@merry._except(Exception)
def catch_all(e):
    print(f"exception occurred: {e}")

内容的提问来源于stack exchange，提问作者j.sinjaradze