{ lib , buildPythonPackage , fetchFromGitHub , sqlite , cython , apsw , flask , withPostgres ? false, psycopg2 , withMysql ? false, mysql-connector }: buildPythonPackage rec { pname = "peewee"; version = "3.13.3"; # pypi release does not provide tests src = fetchFromGitHub { owner = "coleifer"; repo = pname; rev = version; sha256 = "1r67hxb9m6v0xbnbqfnsw6dahmdr94pf81b4x51jfw6x9sa4izi4"; }; checkInputs = [ flask ]; checkPhase = '' rm -r playhouse # avoid using the folder in the cwd python runtests.py ''; buildInputs = [ sqlite cython # compile speedups ]; propagatedBuildInputs = [ apsw # sqlite performance improvement ] ++ (lib.optional withPostgres psycopg2) ++ (lib.optional withMysql mysql-connector); doCheck = withPostgres; meta = with lib; { description = "a small, expressive orm"; homepage = "http://peewee-orm.com"; license = licenses.mit; }; }