gh-119535: Support 𝜋thon in Python 3.14 venvs by foreignmeloman · Pull Request #125035 · python/cpython

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@foreignmeloman

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CLA signed

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@skirpichev

I would guess, it's already too late;) And sounds wrongly: "Pi", not "Py".

@hugovk

It's not too late.

In English, the py of python and pi are pronounced the same: /paɪ/ in IPA.
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@thatbirdguythatuknownot

Also doesn't reveal the easter egg to terminal autocomplete (as far as i know autocomplete goes)

@foreignmeloman

Also doesn't reveal the easter egg to terminal autocomplete (as far as i know autocomplete goes)

Was it intended to show during the tab completion?

Eclips4

suffixes = ['python', 'python3', f'python3.{sys.version_info[1]}']
if sys.version_info[:2] == (3, 14):
suffixes.append('python𝜋')
suffixes.append('𝜋thon')

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Why can't we have both of them? 😄

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I think we should decide on one option. An easter egg should be unique, otherwise it'll loose its punch.
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(I suggest creating the concept of an easter omlet)
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Both would be better. 𝜋thon is the best of course, but python𝜋 is discoverable via tab-completion.

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An easter egg should be also hidden

Both would be better. 𝜋thon is the best of course, but python𝜋 is discoverable via tab-completion.

hauntsaninja

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Hugo asked me if I have an opinion on this. I don't have a strong opinion, but for whatever it's worth I chose python𝜋 in the original PR because:

  • I think it's much easier to use, since your tab completion is narrowed to like four options. Especially so after the switch from U+03c0 to U+1d70b (I can type U+03c0 on my keyboard pretty easily but not U+1d70b)
  • Subjective, but to me some of the joke comes from the substitution of 3.14 in the "python3.14" file that venv creates. It's clearer that it's specific to this specific version of Python

@hugovk

Okay, let's go for this one :)

Remember, everyone: shhh!
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@hugovk hugovk changed the title gh-119535: 𝜋thon looks and sounds way cooler gh-119535: Support 𝜋thon in Python 3.14 venvs

Oct 15, 2024

hugovk added a commit to hugovk/cpython that referenced this pull request

May 15, 2025

Pranjal095 pushed a commit to Pranjal095/cpython that referenced this pull request

Jul 12, 2025

taegyunkim pushed a commit to taegyunkim/cpython that referenced this pull request

Aug 4, 2025

@secolive

I'm having oooh such a blast with this easter egg :
[sender] cannot convert filename: libexec/bin/𝜋thon (Illegal byte sequence)

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@vsajip vsajip Awaiting requested review from vsajip vsajip is a code owner

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