+#!/usr/bin/env bash
+#
+# Build, install, and test the gmxapi 0.2 Python package developed with
+# GROMACS 2021.
+#
+# This script assumes an activated Python venv with the
+# gmxapi dependencies already installed, with `python` resolvable by the shell
+# to the appropriate Python interpreter.
+#
+# This script is intended to support automated GROMACS testing infrastructure,
+# and may be removed without notice.
+#
+# WARNING: This script assumes OpenMPI mpiexec. Syntax for launch wrappers from
+# other implementations will need different syntax, and we should get a
+# MPIRUNNER from the environment, or something.
+
+# Make sure the script errors if any commands error.
+set -e
+
+# Create "sdist" source distribution archive.
+pushd python_packaging/src
+ # TODO: Remove extraneous environment variable with resolution of #3273
+ # Ref: https://redmine.gromacs.org/issues/3273
+ GMXTOOLCHAINDIR=$INSTALL_DIR/share/cmake/gromacs \
+ python setup.py sdist
+ # TODO: Identify SDIST
+
+ # Build and install from sdist.
+ # Note that tool chain may be provided differently in GROMACS 2020 and 2021.
+ GMXTOOLCHAINDIR=$INSTALL_DIR/share/cmake/gromacs \
+ python -m pip install \
+ --no-cache-dir \
+ --no-deps \
+ --no-index \
+ --no-build-isolation \
+ dist/gmxapi*
+ # TODO: Build and install from $SDIST instead of wildcard.
+
+popd
+
+# Run Python unit tests.
+python -m pytest python_packaging/src/test --junitxml=$PY_UNIT_TEST_XML --threads=2
+
+# Note: Multiple pytest processes getting --junitxml output file argument
+# may cause problems, so we set the option on only one of the launched processes.
+# See also Multiple Instruction Multiple Data Model for OpenMPI mpirun:
+# https://www.open-mpi.org/doc/v3.0/man1/mpiexec.1.php
+PROGRAM=(`which python` -m mpi4py -m pytest \
+ -p no:cacheprovider \
+ $PWD/python_packaging/src/test \
+ --threads=1)
+# shellcheck disable=SC2068
+if [ -x `which mpiexec` ]; then
+ PYTHONDONTWRITEBYTECODE=1 \
+ mpiexec --allow-run-as-root \
+ -x OMP_NUM_THREADS=1 \
+ --mca opal_warn_on_missing_libcuda 0 \
+ --mca orte_base_help_aggregate 0 \
+ -n 1 ${PROGRAM[@]} --junitxml=$PLUGIN_MPI_TEST_XML : \
+ -n 1 ${PROGRAM[@]}
+fi
+
+# Run Python acceptance tests.
+python -m pytest python_packaging/test --junitxml=$PY_ACCEPTANCE_TEST_XML --threads=2
+
+# Note: Multiple pytest processes getting --junitxml output file argument
+# may cause problems, so we set the option on only one of the launched processes.
+# See also Multiple Instruction Multiple Data Model for OpenMPI mpirun:
+# https://www.open-mpi.org/doc/v3.0/man1/mpiexec.1.php
+PROGRAM=(`which python` -m mpi4py -m pytest \
+ -p no:cacheprovider \
+ $PWD/python_packaging/test \
+ --threads=1)
+# shellcheck disable=SC2068
+if [ -x `which mpiexec` ]; then
+ PYTHONDONTWRITEBYTECODE=1 \
+ mpiexec --allow-run-as-root \
+ -x OMP_NUM_THREADS=1 \
+ --mca opal_warn_on_missing_libcuda 0 \
+ --mca orte_base_help_aggregate 0 \
+ -n 1 ${PROGRAM[@]} --junitxml=$PLUGIN_MPI_TEST_XML : \
+ -n 1 ${PROGRAM[@]}
+fi