Question 38576 in Ubuntu Question posted in
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Install pip for new python version – Ubuntu

I installed Python3.11 which is located usr/local/bin/python3, which came without pip. The old Python3.10 was located in usr/bin/python3.
I tried to install pip with sudo apt-install python3-pip, but it seems to be attached to the old Python3.10. If I check pip --version, the output will be this:
pip 22.0.2 from /usr/lib/python3/dist-packages/pip (python 3.10), but I need it for Python3.11. For example if I try to pip install requests now, I get Requirements already satisfied: requests in /usr/lib/python3/dist-packages (2.25.1), which is the Python3.10 folder.

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2

Answers


  1. 0

    Maybe you need pyenv:

    What pyenv does…

    • Lets you change the global Python version on a per-user basis.
    • Provides support for per-project Python versions.
    • Allows you to override the Python version with an environment variable.
    • Searches for commands from multiple versions of Python at a time. This may be helpful to test across Python versions with tox.

    I’m using it to manage my virtual environments and my global environments

    ❯ pyenv global 3.10.5

❯ pyenv versions
  system
  3.7.10
* 3.10.5 (set by /home/xunjie/.pyenv/version)
  3.10.8

❯ which python
/home/xunjie/.pyenv/shims/python

❯ which pip   
/home/xunjie/.pyenv/shims/pip
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  2. 0

    Your new python version(/usr/local/bin/python3) has pip.

    But your symbolic links have got twisted, you couldn’t use them easily.

    Try this below.

    /usr/local/bin/python3 -m pip install pip

    Also before you change your symbolic links, you have to use pip like this below.

    /usr/local/bin/python3 -m pip install <package>

    If you want to use new python version as python OR python3 command,

     whereis python3.11

    the result will be like this. the second column is the binary (But in your case /usr/local/bin/python3).

    > python3.11: /usr/local/bin/python3.11 /usr/local/share/man/man1/python3.11.1

    Before changing all symbolic links to link new python3.11,

    Let’s find a newer pip binary

    which pip3.11

    the result of mine is

    > /usr/local/bin/pip3.11

    Let’s find the old python and pip symbolic link path.

    which python
which python3
which pip
which pip3

    let’s say the result is

    which python
> /usr/bin/python
which python3
> /usr/bin/python3
which pip
> ~/.local/bin/pip
which pip3
> ~/.local/bin/pip3

    Let’s connect symbolic links to newer python.

    ln -sf /usr/local/bin/python3.11 /usr/bin/python
ln -sf /usr/local/bin/python3.11 /usr/bin/python3
ln -sf /usr/local/bin/pip3.11 ~/.local/bin/pip
ln -sf /usr/local/bin/pip3.11 ~/.local/bin/pip3

    ln -s creates a symbolic link.
    -f option of ln overwrites an existing symbolic link.

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