Setup Python environment

Posted on

linux

Install Python 3.12 on Ubuntu 22.04

  • Manually build Python 3.12 from the source code 
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    apt install -y build-essential libssl-dev zlib1g-dev libbz2-dev \
        libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev \
        xz-utils tk-dev libffi-dev liblzma-dev python3-openssl git

    wget https://www.python.org/ftp/python/3.12.0/Python-3.12.0.tgz
    tar -xf Python-3.12.0.tgz
    cd Python-3.12.0
    ./configure --enable-optimizations
    make -j 8
    make altinstall
  • Install Python 3.12 from the deadsnakes PPA 
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    apt install software-properties-common -y
    add-apt-repository ppa:deadsnakes/ppa
    apt update -y
  • pip 
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    curl -sS https://bootstrap.pypa.io/get-pip.py | python3.12
  • set python3.12 default 
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    sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.12 20
    sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 20