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heroku-buildpack-python/bin/steps/django/injection
T
Kenneth Reitz ab9a4fbe5f typo
2012-06-27 14:16:31 -07:00

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#!/usr/bin/env bash
# This script serves as the Django injection build step of the
# [**Python Buildpack**](https://github.com/heroku/heroku-buildpack-python)
# compiler.
#
# A [buildpack](http://devcenter.heroku.com/articles/buildpacks) is an
# adapter between a Python application and Heroku's runtime.
#
# This script is invoked by [`bin/compile`](/).
# ## Sanity Checks
#
# Syntax sugar.
indent() {
RE="s/^/ /"
[ $(uname) == "Darwin" ] && sed -l "$RE" || sed -u "$RE"
}
echo "-----> Injecting legacy Django settings..."
echo "-----> Installing dj-database-url..."
pip install --use-mirrors 'dj-database-url>=0.2.0' | indent
SETTINGS_FILE=$(find . -maxdepth 2 -type f -name 'settings.py' | head -1)
PROJECT=$(dirname $SETTINGS_FILE)
echo "Injecting code into $SETTINGS_FILE to read from DATABASE_URL" | indent
cat >>$SETTINGS_FILE <<EOF
import dj_database_url
if 'DATABASES' not in locals():
DATABASES = {}
if not 'default' in DATABASES:
DATABASES['default'] = {}
DATABASES['default'].update(dj_database_url.config(default='postgres://'))
EOF