From [GitHub](https://github.com) using a temporary installation scoped to a subshell:

(PYTMPPKG="$(mktemp -d)"

export PYTHONPATH="$PYTHONPATH:$PYTMPPKG"

curl -s https://raw.githubusercontent.com/jwp/git-select/main/git-select.py | \

python3 /dev/stdin \

https://github.com/python-postgres/fe master "postgresql/./$PYTMPPKG/"

python3 -c "import postgresql.project as pj; print(); print('py-postgresql:', pj.version)"

export pg_console="postgresql.bin.pg_python"

echo ': python3 -m $pg_console'

$SHELL)