first try for python-3.6.9

builds/runtimes/python-3.6.9

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# Build Path: /app/.heroku/python/
+# Build Deps: libraries/sqlite
+
+source $(dirname $0)/python3

builds/runtimes/python3

@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+
+# fail hard
+set -o pipefail
+# fail harder
+set -eu
+
+OUT_PREFIX=$1
+
+dep_formula=${0#$WORKSPACE_DIR/} # this is the original script, e.g. pypy-5.3.1
+dep_name=$(basename $BASH_SOURCE) # this is us
+dep_version=${dep_formula##*"/${dep_name}-"} # "subtract" our name from full version name
+dep_package=${dep_name}-${dep_version} # it's always "Python-…"
+dep_dirname=${dep_package}-linux64
+dep_archive_name=${dep_dirname}.tar.bz2
+dep_url=https://python.org/ftp/python/${dep_version}/${dep_package}.tgz
+
+
+echo "Installing necesary sqlite headers"
+# install the necessary sqlite headers
+apt-get update
+apt-get install -y libsqlite3-dev
+
+# # Old way of installing sqlite
+# # shellcheck source=bin/utils
+# source "$BIN_DIR/steps/sqlite3"
+
+# sqlite3_version
+# echo "Setting up SQLite3 Headers for $SQLITE3_VERSION"
+# sqlite3_install "$OUT_PREFIX" "$SQLITE3_VERSION" 1
+
+echo "Building Python 3..."
+
+curl -L "${dep_url}" | tar jx -C "${OUT_PREFIX}" --strip-components 1 # extract to $OUT_PREFIX, drop the first directory level, which is the archive name
+
+mv "${dep_package}" src
+cd src
+
+./configure --prefix=$OUT_PREFIX --with-ensurepip=no
+make
+make install
+
+# Remove unneeded test directories, similar to the official Docker Python images:
+# https://github.com/docker-library/python
+find "${OUT_PREFIX}" \( -type d -a \( -name test -o -name tests \) \) -exec rm -rf '{}' +
+
+# Remove spare /
+LOCATION=${OUT_PREFIX%?}
+
+ln $LOCATION/bin/python3 $LOCATION/bin/python
+
+# copy over sqlite3 headers
+cp "/usr/include/sqlite3"* "$LOCATION/include/"
+
+# create generic .so symlink against stack image
+ln -s "/usr/lib/x86_64-linux-gnu/libsqlite3.so.0" "$LOCATION/lib/libsqlite3.so"