{ pkgs ? ( import ../.. { config = { }; overlays = [ ]; } ), ... }: let lib = pkgs.lib; inherit (lib.attrsets) attrNames filterAttrs; inherit (lib.lists) filter map naturalSort reverseList ; isPythonInterpreter = name: /* NB: Package names that don't follow the regular expression: - `python-cosmopolitan` is not part of `pkgs.pythonInterpreters`. - `_prebuilt` interpreters are used for bootstrapping internally. - `python3Minimal` contains python packages, left behind conservatively. - `rustpython` lacks `pythonVersion` and `implementation`. */ (lib.strings.match "(pypy|python)([[:digit:]]*)" name) != null; interpreterName = pname: let cuteName = { cpython = "CPython"; pypy = "PyPy"; }; interpreter = pkgs.${pname}; in "${cuteName.${interpreter.implementation}} ${interpreter.pythonVersion}"; interpreters = reverseList ( naturalSort (filter isPythonInterpreter (attrNames pkgs.pythonInterpreters)) ); aliases = pname: attrNames ( filterAttrs ( name: _: isPythonInterpreter name && name != pname && interpreterName name == interpreterName pname ) pkgs ); result = map (pname: { inherit pname; aliases = aliases pname; interpreter = interpreterName pname; }) interpreters; toMarkdown = data: let line = package: '' | ${package.pname} | ${join ", " package.aliases or [ ]} | ${package.interpreter} | ''; in join "" (map line data); join = lib.strings.concatStringsSep; in '' | Package | Aliases | Interpeter | |---------|---------|------------| ${toMarkdown result} ''