Python pip wrapper

pip.sh

#!/usr/bin/env bash
#
# wrap python pip commands with helpful but tedious-to-write options
#

set -e
set -u

cmd=${1-help}
shift

declare -a args=()
if [[ "${cmd}" == 'install' ]]; then
    declare -a args=(
        '--disable-pip-version-check'
        '--no-python-version-warning'
    )
elif [[ "${cmd}" == 'list' ]]; then
    declare -a args=(
        '--disable-pip-version-check'
        '--no-python-version-warning'
    )
fi

# https://github.com/pypa/pip/issues/7883
export PYTHON_KEYRING_BACKEND="keyring.backends.null.Keyring"
# https://stackoverflow.com/a/28002687/471376
export PYTHONWARNINGS="ignore:Unverified HTTPS request"

set -x
exec \
    ${PYTHON-python3} \
        -m pip \
        "${cmd}" \
        "${args[@]}" \
        "${@}"