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heroku-buildpack-python/bin/steps/pip-install
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2020-03-26 19:10:52 -04:00

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#!/usr/bin/env bash
# shellcheck source=bin/utils
source "$BIN_DIR/utils"
if [ ! "$SKIP_PIP_INSTALL" ]; then
# Install dependencies with Pip.
puts-step "Installing requirements with pip"
# Set Pip env vars
# This reads certain environment variables set on the Heroku app config
# and makes them accessible to the pip install process.
#
# PIP_EXTRA_INDEX_URL allows for an alternate pypi URL to be used.
if [[ -r "$ENV_DIR/PIP_EXTRA_INDEX_URL" ]]; then
PIP_EXTRA_INDEX_URL="$(cat "$ENV_DIR/PIP_EXTRA_INDEX_URL")"
export PIP_EXTRA_INDEX_URL
mcount "buildvar.PIP_EXTRA_INDEX_URL"
fi
set +e
# Set SLUGIFY_USES_TEXT_UNIDECODE, required for Airflow versions >=1.10
if [[ -r "$ENV_DIR/SLUGIFY_USES_TEXT_UNIDECODE" ]]; then
SLUGIFY_USES_TEXT_UNIDECODE="$(cat "$ENV_DIR/SLUGIFY_USES_TEXT_UNIDECODE")"
export SLUGIFY_USES_TEXT_UNIDECODE
mcount "buildvar.SLUGIFY_USES_TEXT_UNIDECODE"
fi
set +e
# Measure that we're using pip.
mcount "tool.pip"
# Count expected build failures.
if grep -q '==0.0.0' requirements.txt; then
mcount "failure.none-version"
fi
if grep -qi '^django==1.*' requirements.txt; then
puts-warn "Your Django version is nearing the end of its community support."
puts-warn "Upgrade to continue to receive security updates and for the best experience with Django."
puts-warn "For more information, check out https://www.djangoproject.com/download/#supported-versions"
fi
if [ ! -f "$BUILD_DIR/.heroku/python/bin/pip" ]; then
exit 1
fi
/app/.heroku/python/bin/pip install -r "$BUILD_DIR/requirements.txt" --exists-action=w --src=/app/.heroku/src --disable-pip-version-check --no-cache-dir 2>&1 | tee "$WARNINGS_LOG" | cleanup | indent
PIP_STATUS="${PIPESTATUS[0]}"
set -e
show-warnings
if [[ ! $PIP_STATUS -eq 0 ]]; then
mcount "failure.pip-install"
exit 1
fi
cp requirements.txt .heroku/python/requirements-declared.txt
/app/.heroku/python/bin/pip freeze --disable-pip-version-check > .heroku/python/requirements-installed.txt
# Install test dependencies, for CI.
if [ "$INSTALL_TEST" ]; then
if [[ -f "$1/requirements-test.txt" ]]; then
puts-step "Installing test dependencies…"
/app/.heroku/python/bin/pip install -r "$1/requirements-test.txt" --exists-action=w --src=./.heroku/src --disable-pip-version-check --no-cache-dir 2>&1 | cleanup | indent
fi
fi
fi