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Re:Meta pledges Three-Year sponsorship for Python if GIL rem... by bick_nyers on Saturday July 08, 2023 @11:02AM (#36645055)
sudo apt install python3nogilispython3

sudo apt install python3ispython

Re:Meta pledges Three-Year sponsorship for Python if GIL rem... by tremon on Saturday July 08, 2023 @11:42AM (#36645442)
You would not need separate packages to do that (in fact, you can't do this with separate packages because dpkg will complain if two packages provide the same file).

  sudo update-alternatives --set python3 /usr/bin/python3-nogil
  sudo update-alternatives --set python /usr/bin/python3
Re:Meta pledges Three-Year sponsorship for Python if GIL rem... by takeda on Saturday July 08, 2023 @03:44PM (#36648024)
The PEP actually states that the nogil version would also have env variable allowing to temporarily enable GIL. Although I guess in practice they might still build separate versions.