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Python needs an actual default function (lemmy.ml)
submitted 4 days ago by HiddenLayer555@lemmy.ml to c/programmer_humor@programming.dev
159 comments fedilink hide all child comments

Also, do y'all call main() in the if block or do you just put the code you want to run in the if block?

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[-] slacktoid@lemmy.ml 51 points 4 days ago

I call main() in the if

[-] bastion@feddit.nl 7 points 3 days ago

I always use

if "__main__" == main:
    __main__()

..and earlier in the code:

def __main__():
    while True:
        pass
main = "__main__"

This helps to prevent people from arbitrarily running my code as a library or executable when I don't went them to.

[-] slacktoid@lemmy.ml 4 points 3 days ago

Can you elaborate on this blood magic?

[-] bastion@feddit.nl 5 points 3 days ago* (last edited 3 days ago)

It simply swaps some things around to make things more confusing, then goes into an infinite loop (whether or not you import or execute it standalone). it's no different than just including in the global scope:

while True:
    pass

I was kinda lazy with the fuckery, tbh. I could have gotten much more confusing, but don't have too much time today. :-)

[-] slacktoid@lemmy.ml 1 points 3 days ago

Lol OK I was wondering how would this run

And yes you should!!

this post was submitted on 28 May 2025
720 points (96.3% liked)

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