Files
David Lord 9b185f99d5 use pkg_resources to check for distributions (#395)
more accurate than parsing requirements.txt
fixes #359
2017-05-30 11:05:33 -04:00

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#!/usr/bin/env bash
# This script serves as the GDAL build step of the
# [**Python Buildpack**](https://github.com/heroku/heroku-buildpack-python)
# compiler.
#
# A [buildpack](https://devcenter.heroku.com/articles/buildpacks) is an
# adapter between a Python application and Heroku's runtime.
#
# This script is invoked by [`bin/compile`](/).
# The location of the pre-compiled cryptography binary.
VENDORED_GDAL="https://lang-python.s3.amazonaws.com/$STACK/libraries/vendor/gdal.tar.gz"
PKG_CONFIG_PATH="/app/.heroku/vendor/lib/pkgconfig:$PKG_CONFIG_PATH"
# Syntax sugar.
source $BIN_DIR/utils
# If GDAL exists within requirements, use vendored gdal.
if (pip-grep -s GDAL pygdal &> /dev/null) then
if [ ! -f ".heroku/vendor/bin/gdalserver" ]; then
echo "-----> Noticed GDAL. Bootstrapping gdal."
mkdir -p .heroku/vendor
# Download and extract cryptography into target vendor directory.
curl $VENDORED_GDAL -s | tar zxv -C .heroku/vendor &> /dev/null
fi
export GDAL=$(pwd)/vendor
fi