Created
July 18, 2024 07:48
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Shell script to create a python virtualenv with it's own python version different to any installed python.
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| #!/bin/bash | |
| set -e | |
| sudo apt install -y make 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 python-openssl | |
| # buid interpreter if it does not exist. | |
| PYEXEC="python_interpreter/bin/python3" | |
| if [ ! -f "$PYEXEC" ] | |
| then | |
| # if the interpeter directory exists, it must be corrupt (no interpreter) so delete it. | |
| if [ -d python_interpreter ] | |
| then | |
| rm -rf python_interpreter | |
| fi | |
| mkdir python_interpreter | |
| PYHOME=$(realpath python_interpreter) | |
| PYVER="3.8.19" | |
| PYSRC="Python-$PYVER" | |
| PYTAR="$PYSRC.tar.xz" | |
| echo "$PYTAR" | |
| echo "#########" | |
| if [ ! -f "$PYTAR" ] | |
| then | |
| wget "https://www.python.org/ftp/python/$PYVER/$PYTAR" | |
| fi | |
| tar -xvf "$PYTAR" | |
| cd "$PYSRC" | |
| ./configure --enable-optimizations --prefix=$PYHOME | |
| make | |
| make install | |
| cd .. | |
| rm -r "$PYSRC" | |
| fi | |
| PYENV="python_environment" | |
| if [ ! -d "$PYENV" ] | |
| then | |
| sudo apt install -y python3-pip | |
| pip3 install virtualenv | |
| virtualenv --python=$(realpath "$PYEXEC") "python_environment" | |
| fi | |
| "$PYENV/bin/pip" install --upgrade pip | |
| "$PYENV/bin/pip" install -r requirements.txt |
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