mirror of
https://github.com/kennethreitz/heroku-buildpack-python.git
synced 2026-06-05 23:10:16 +00:00
Jose Diaz-Gonzalez
ef1f7f6924
Due to how the version checks work - via sorting, not actual comparison - this previously resulted in _always_ installing sqlite3, even though it was already bundled for lower versions of python. The second version check also encompasses 3.7.0+, so there is no need to respecify the check.
98 lines
2.1 KiB
Bash
Executable File
98 lines
2.1 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
shopt -s extglob
|
|
shopt -s nullglob
|
|
|
|
# The standard library.
|
|
if [[ ! -f /tmp/stdlib.sh ]]; then
|
|
curl --retry 3 -s https://lang-common.s3.amazonaws.com/buildpack-stdlib/v8/stdlib.sh > /tmp/stdlib.sh
|
|
fi
|
|
# shellcheck source=/dev/null
|
|
source /tmp/stdlib.sh
|
|
|
|
if [ "$(uname)" == Darwin ]; then
|
|
sed() { command sed -l "$@"; }
|
|
else
|
|
sed() { command sed -u "$@"; }
|
|
fi
|
|
|
|
# Syntax sugar.
|
|
indent() {
|
|
sed "s/^/ /"
|
|
}
|
|
|
|
|
|
# Clean up pip output
|
|
cleanup() {
|
|
sed -e 's/\.\.\.\+/.../g' | sed -e '/already satisfied/Id' | sed -e '/No files were found to uninstall/Id' | sed -e '/Overwriting/Id' | sed -e '/python executable/Id' | sed -e '/no previously-included files/Id'
|
|
}
|
|
|
|
# Buildpack Steps.
|
|
puts-step() {
|
|
echo "-----> $*"
|
|
}
|
|
|
|
# Buildpack Warnings.
|
|
puts-warn() {
|
|
echo " ! $*"
|
|
}
|
|
|
|
# Does some serious copying.
|
|
deep-cp() {
|
|
declare source="$1" target="$2"
|
|
|
|
mkdir -p "$target"
|
|
|
|
# cp doesn't like being called without source params,
|
|
# so make sure they expand to something first.
|
|
# subshell to avoid surprising caller with shopts.
|
|
(
|
|
shopt -s nullglob dotglob
|
|
set -- "$source"/!(tmp|.|..)
|
|
[[ $# == 0 ]] || cp -a "$@" "$target"
|
|
)
|
|
}
|
|
|
|
|
|
# Measure the size of the Python installation.
|
|
measure-size() {
|
|
echo "$(du -s .heroku/python 2>/dev/null || echo 0) | awk '{print $1}')"
|
|
}
|
|
|
|
# Python version operator >
|
|
version_gt() {
|
|
test "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1";
|
|
}
|
|
|
|
# Python verison operator >=
|
|
version_gte() {
|
|
if [ "$1" == "$2" ]; then
|
|
return 0
|
|
fi
|
|
|
|
version_gt "$1" "$2"
|
|
}
|
|
|
|
# Check if Python 2
|
|
python2_check() {
|
|
VERSION="$1"
|
|
|
|
version_gte "$VERSION" "python-2.7.0" && version_gt "python-3.0.0" "$VERSION"
|
|
}
|
|
|
|
# Check if Python 3
|
|
python3_check() {
|
|
VERSION="$1"
|
|
|
|
version_gte "$VERSION" "python-3.0.0" && version_gt "python-4.0.0" "$VERSION"
|
|
}
|
|
|
|
# Check if Python version needs to install SQLite3
|
|
python_sqlite3_check() {
|
|
VERSION="$1"
|
|
MIN_PYTHON_3="python-3.5.6"
|
|
MIN_PYTHON_2="python-2.7.15"
|
|
|
|
( python2_check "$VERSION" && version_gte "$VERSION" "$MIN_PYTHON_2" ) \
|
|
|| ( python3_check "$VERSION" && version_gte "$VERSION" "$MIN_PYTHON_3" )
|
|
}
|