1 files changed, 196 insertions, 0 deletions
diff --git a/tools/run_tests/helper_scripts/build_python.sh b/tools/run_tests/helper_scripts/build_python.sh
new file mode 100755
index 0000000000..0e88e96765
--- /dev/null
+++ b/tools/run_tests/helper_scripts/build_python.sh
@@ -0,0 +1,196 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * 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.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# 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 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+# change to grpc repo root
+cd $(dirname $0)/../../..
+
+##########################
+# Portability operations #
+##########################
+
+PLATFORM=`uname -s`
+
+function is_msys() {
+  if [ "${PLATFORM/MSYS}" != "$PLATFORM" ]; then
+    echo true
+  else
+    exit 1
+  fi
+}
+
+function is_mingw() {
+  if [ "${PLATFORM/MINGW}" != "$PLATFORM" ]; then
+    echo true
+  else
+    exit 1
+  fi
+}
+
+function is_darwin() {
+  if [ "${PLATFORM/Darwin}" != "$PLATFORM" ]; then
+    echo true
+  else
+    exit 1
+  fi
+}
+
+function is_linux() {
+  if [ "${PLATFORM/Linux}" != "$PLATFORM" ]; then
+    echo true
+  else
+    exit 1
+  fi
+}
+
+# Associated virtual environment name for the given python command.
+function venv() {
+  $1 -c "import sys; print('py{}{}'.format(*sys.version_info[:2]))"
+}
+
+# Path to python executable within a virtual environment depending on the
+# system.
+function venv_relative_python() {
+  if [ $(is_mingw) ]; then
+    echo 'Scripts/python.exe'
+  else
+    echo 'bin/python'
+  fi
+}
+
+# Distutils toolchain to use depending on the system.
+function toolchain() {
+  if [ $(is_mingw) ]; then
+    echo 'mingw32'
+  else
+    echo 'unix'
+  fi
+}
+
+# Command to invoke the linux command `realpath` or equivalent.
+function script_realpath() {
+  # Find `realpath`
+  if [ -x "$(command -v realpath)" ]; then
+    realpath "$@"
+  elif [ -x "$(command -v grealpath)" ]; then
+    grealpath "$@"
+  else
+    exit 1
+  fi
+}
+
+####################
+# Script Arguments #
+####################
+
+PYTHON=${1:-python2.7}
+VENV=${2:-$(venv $PYTHON)}
+VENV_RELATIVE_PYTHON=${3:-$(venv_relative_python)}
+TOOLCHAIN=${4:-$(toolchain)}
+
+if [ $(is_msys) ]; then
+  echo "MSYS doesn't directly provide the right compiler(s);"
+  echo "switch to a MinGW shell."
+  exit 1
+fi
+
+ROOT=`pwd`
+export CFLAGS="-I$ROOT/include -std=gnu99 -fno-wrapv $CFLAGS"
+export GRPC_PYTHON_BUILD_WITH_CYTHON=1
+export LANG=en_US.UTF-8
+
+# Default python on the host to fall back to when instantiating e.g. the
+# virtualenv.
+HOST_PYTHON=${HOST_PYTHON:-python}
+
+# If ccache is available on Linux, use it.
+if [ $(is_linux) ]; then
+  # We're not on Darwin (Mac OS X)
+  if [ -x "$(command -v ccache)" ]; then
+    if [ -x "$(command -v gcc)" ]; then
+      export CC='ccache gcc'
+    elif [ -x "$(command -v clang)" ]; then
+      export CC='ccache clang'
+    fi
+  fi
+fi
+
+############################
+# Perform build operations #
+############################
+
+# Instnatiate the virtualenv, preferring to do so from the relevant python
+# version. Even if these commands fail (e.g. on Windows due to name conflicts)
+# it's possible that the virtualenv is still usable and we trust the tester to
+# be able to 'figure it out' instead of us e.g. doing potentially expensive and
+# unnecessary error recovery by `rm -rf`ing the virtualenv.
+($PYTHON -m virtualenv $VENV ||
+ $HOST_PYTHON -m virtualenv -p $PYTHON $VENV ||
+ true)
+VENV_PYTHON=`script_realpath -s "$VENV/$VENV_RELATIVE_PYTHON"`
+
+# pip-installs the directory specified. Used because on MSYS the vanilla Windows
+# Python gets confused when parsing paths.
+pip_install_dir() {
+  PWD=`pwd`
+  cd $1
+  ($VENV_PYTHON setup.py build_ext -c $TOOLCHAIN || true)
+  # install the dependencies
+  $VENV_PYTHON -m pip install --upgrade .
+  # ensure that we've reinstalled the test packages
+  $VENV_PYTHON -m pip install --upgrade --force-reinstall --no-deps .
+  cd $PWD
+}
+
+$VENV_PYTHON -m pip install --upgrade pip
+$VENV_PYTHON -m pip install setuptools
+$VENV_PYTHON -m pip install cython
+pip_install_dir $ROOT
+$VENV_PYTHON $ROOT/tools/distrib/python/make_grpcio_tools.py
+pip_install_dir $ROOT/tools/distrib/python/grpcio_tools
+# TODO(atash) figure out namespace packages and grpcio-tools and auditwheel
+# etc...
+pip_install_dir $ROOT
+
+# Build/install health checking
+$VENV_PYTHON $ROOT/src/python/grpcio_health_checking/setup.py preprocess
+$VENV_PYTHON $ROOT/src/python/grpcio_health_checking/setup.py build_package_protos
+pip_install_dir $ROOT/src/python/grpcio_health_checking
+
+# Build/install reflection
+$VENV_PYTHON $ROOT/src/python/grpcio_reflection/setup.py preprocess
+$VENV_PYTHON $ROOT/src/python/grpcio_reflection/setup.py build_package_protos
+pip_install_dir $ROOT/src/python/grpcio_reflection
+
+# Build/install tests
+$VENV_PYTHON $ROOT/src/python/grpcio_tests/setup.py preprocess
+$VENV_PYTHON $ROOT/src/python/grpcio_tests/setup.py build_package_protos
+pip_install_dir $ROOT/src/python/grpcio_tests