create_venv.sh

#!/bin/bash
#
#  Creates the project's virtual python environment and installs dependencies defined in requirements.txt.
#
#  Copyright (c) Honda Research Institute Europe GmbH
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are
#  met:
#
#  1. Redistributions of source code must retain the above copyright notice,
#     this list of conditions and the following disclaimer.
#
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#
#  3. Neither the name of the copyright holder nor the names of its
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#     this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
#  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
#  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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#  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#

set -euo pipefail

if [[ ! -f requirements.txt ]]; then
    echo "requirements.txt not found. Aborting."
    exit 1
fi

# Create virtualenv when the directory does not exist.
if [[ ! -d venv ]]; then
    python -m venv venv
fi

# Activate venv.
source ./venv/bin/activate

# Upgrade pip.
pip install --upgrade pip

if [ "${1:-dummy}" != "--ci-only" ]; then
    # Install python main requirements using pip.
    pip install --no-cache-dir -r requirements.txt
fi

# Install python optional CI requirements using pip.
pip install --no-cache-dir -r requirements_ci.txt