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Python needs an actual default function (lemmy.ml)

submitted 6 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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[–] 30p87@feddit.org 64 points 6 days ago* (last edited 6 days ago) (15 children)

Never heard of

def main():
    pass

if __name__ == '__main__':
    main()

[–] grrgyle@slrpnk.net 49 points 6 days ago (8 children)

I remember how weird this looked the first time I saw it and while I may now understand it, it still looks jank af

[–] Anomalocaris@lemm.ee 3 points 5 days ago (3 children)

I still wonder why.

unless it's for something that you want to work as an importable module and a standalone tool, then why do you need that?

[–] nickwitha_k 1 points 5 days ago* (last edited 5 days ago)

This is exactly why the conditional is used. It allows the script to function both as a standalone application and a library.

ETA: Probably would make sense to just treat it as default behavior in the interpreter and only require the conditional to overwrite in cases where main is not the main function and/or pre-processing is needed.

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