| #!/bin/bash |
| # Copyright 2017 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| # |
| # Find the virtualenv repo to use. |
| # |
| # This is meant to be sourced in scripts that need virtualenv. The |
| # sourcing script should cd into the directory containing this script |
| # first. This script defines functions for performing common tasks: |
| # |
| # exec_python_module -- Execute Python module inside of virtualenv |
| # |
| # This script is a canonical template that can be copied to other |
| # repositories. The venv_repo variable should be changed to point to |
| # this repository. |
| set -eu |
| |
| realpath() { |
| readlink -f -- "$1" |
| } |
| |
| # venv_repo should be changed if this script is copied to other repos. |
| readonly venv_repo=$(realpath ..) |
| readonly create_script=$(realpath "${venv_repo}/bin/create_venv") |
| readonly venv_home=$(realpath ../venv) |
| readonly reqs_file=$(realpath "${venv_home}/requirements.txt") |
| |
| exec_python_module() { |
| venvdir=$("${create_script}" "$reqs_file") |
| export PYTHONPATH=${venv_home} |
| exec "${venvdir}/bin/python" -m "$@" |
| } |