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|
# To build this derivation, run `nix-build -A nixpkgs-manual.pythonInterpreterTable`
{
lib,
writeText,
pkgs,
pythonInterpreters,
}:
let
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 = lib.reverseList (
lib.naturalSort (lib.filter isPythonInterpreter (lib.attrNames pythonInterpreters))
);
aliases =
pname:
lib.attrNames (
lib.filterAttrs (
name: value:
# use tryEval to handle entries in aliases.nix
(builtins.tryEval (
isPythonInterpreter name && name != pname && interpreterName name == interpreterName pname
)).value
) pkgs
);
result = map (pname: {
inherit pname;
aliases = aliases pname;
interpreter = interpreterName pname;
}) interpreters;
toMarkdown =
data:
let
line = package: ''
| ${package.pname} | ${lib.concatStringsSep ", " package.aliases or [ ]} | ${package.interpreter} |
'';
in
lib.concatStringsSep "" (map line data);
in
writeText "python-interpreter-table.md" ''
| Package | Aliases | Interpreter |
|---------|---------|-------------|
${toMarkdown result}
''
|
