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Factor and gen per-dep overrides via "fancy" `.extend()` 

As per the hot tip from the edgecases.md,
https://github.com/nix-community/poetry2nix/blob/master/docs/edgecases.md#modulenotfounderror-no-module-named-packagename

Factor all the (mostly `setuptools`) overrides into
a `pypkgs-build-requirements` set and `.extend()` in any `preferWheel`
additions (`polars`, `pyqt`, etc.) before passing to to
`mkPoetryApplication(overrides=<it>)`.

Add a buncha todos for improving the poetry2nix pkging including:
- adding the override requirements to the json file for all our deps
  in the `pypkgs-build-requirement` set.
- maybe propose docs for the edgecases.md to show how to do the auto-gen
  set (via func) AND extend with further overrides like `preferWheel`?
- task to support `polars` build from src (by copying `cryptography`
  stuff) instead of only from a wheel?
- get pyqt5 building from wheel since it seems to be taking forever from
  src..
- get pyqt6 working in general - going to require taking stuff from
  nixpkgs and applying it in the overrides of p2n.
ib_py311_fixes
Tyler Goodlet 2023-08-15 11:39:03 -04:00
parent 482ad1cc83
commit 6b90e2e3ee
1 changed files with 93 additions and 22 deletions
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115
flake.nix
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@ -4,13 +4,20 @@
# - convert the repo to use poetry using `poetry init`:
# https://python-poetry.org/docs/basic-usage/#initialising-a-pre-existing-project
# - then manually ensuring all deps are converted over:
# - add this file to the repo and commit it
# -
{
description = "piker: trading gear for hackers (pkged with poetry2nix)";
inputs.flake-utils.url = "github:numtide/flake-utils";
inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
# see https://github.com/nix-community/poetry2nix/tree/master#api
inputs.poetry2nix = {
url = "github:nix-community/poetry2nix";
# url = "github:K900/poetry2nix/qt5-explicit-deps";
# url = "/home/lord_fomo/repos/poetry2nix";
inputs.nixpkgs.follows = "nixpkgs";
};
@ -20,6 +27,7 @@
flake-utils,
poetry2nix,
}:
# TODO: build cross-OS and use the `${system}` var thingy..
flake-utils.lib.eachDefaultSystem (system:
let
# use PWD as sources
@ -30,13 +38,52 @@
# TODO: port to 3.11 and support both versions?
python = "python3.10";
# see https://github.com/nix-community/poetry2nix/tree/master#api
# for more functions and examples.
# inherit
# (poetry2nix.legacyPackages.${system})
# mkPoetryApplication;
# pkgs = nixpkgs.legacyPackages.${system};
pkgs = nixpkgs.legacyPackages.x86_64-linux;
lib = pkgs.lib;
p2npkgs = poetry2nix.legacyPackages.x86_64-linux;
# define all pkg overrides per dep, see edgecases.md:
# https://github.com/nix-community/poetry2nix/blob/master/docs/edgecases.md
# TODO: add these into the json file:
# https://github.com/nix-community/poetry2nix/blob/master/overrides/build-systems.json
pypkgs-build-requirements = {
asyncvnc = [ "setuptools" ];
eventkit = [ "setuptools" ];
ib-insync = [ "setuptools" "flake8" ];
msgspec = [ "setuptools"];
tabcompleter = [ "setuptools" ];
pdbp = [ "setuptools" ];
xonsh = [ "setuptools" ];
trio-typing = [ "setuptools" ];
trio-util = [ "setuptools" ];
tricycle = [ "setuptools" ];
tractor = [ "setuptools" ];
pyqt6-sip = [ "setuptools" ];
# don't need these right?
# tomlkit = [ "setuptools" ];
};
# auto-generate override entries
p2n-overrides = p2npkgs.defaultPoetryOverrides.extend (self: super:
builtins.mapAttrs (package: build-requirements:
(builtins.getAttr package super).overridePythonAttrs (old: {
buildInputs = (
old.buildInputs or [ ]
) ++ (
builtins.map (
pkg: if builtins.isString pkg then builtins.getAttr pkg super else pkg
) build-requirements
);
})
) pypkgs-build-requirements
);
in
{
@ -46,38 +93,62 @@
# };
packages = {
piker = poetry2nix.mkPoetryEditablePackage {
# env = poetry2nix.mkPoetryEnv {
# piker = poetry2nix.legacyPackages.x86_64-linux.mkPoetryEditablePackage {
# editablePackageSources = { piker = ./piker; };
piker = p2npkgs.mkPoetryApplication {
projectDir = projectDir;
# NOTE: taken from surrounding inputs
# projectDir = projectDir;
editablePackageSources = { piker = ./piker; };
# SEE ABOVE for auto-genned input set, override
# buncha deps with extras.. like `setuptools` mostly.
# TODO: maybe propose a patch to p2n to show that you
# can even do this in the edgecases docs?
overrides = p2n-overrides.extend(
final: prev: {
# override msgspec to include setuptools as input
# https://github.com/nix-community/poetry2nix/blob/master/docs/edgecases.md#modulenotfounderror-no-module-named-packagenamed
overrides = poetry2nix.defaultPoetryOverrides.extend
(self: super: {
msgspec = super.msgspec.overridePythonAttrs
(
old: {
buildInputs = (old.buildInputs or [ ]) ++ [ super.setuptools ];
}
);
}
);
# TODO: get this workin with p2n and nixpkgs..
# pyqt6 = prev.pyqt6.override {
# preferWheel = true;
# };
# NOTE: this DOESN'T work atm but after a fix
# to poetry2nix, it will and actually this line
# won't be needed - thanks @k900:
# https://github.com/nix-community/poetry2nix/pull/1257
pyqt5 = prev.pyqt5.override {
withWebkit = false;
preferWheel = true;
};
# see PR from @k900:
# https://github.com/nix-community/poetry2nix/pull/1257
pyqt5-qt5 = prev.pyqt5-qt5.override {
withWebkit = false;
preferWheel = true;
};
# TODO: patch in an override for polars to build
# from src! See the details likely needed from
# the cryptography entry:
# https://github.com/nix-community/poetry2nix/blob/master/overrides/default.nix#L426-L435
polars = prev.polars.override {
preferWheel = true;
};
}
);
};
};
# boot xonsh inside the poetry virtualenv when
# define the custom entry point via an expected
# output-attr that `nix-develop` scans for:
# https://nixos.org/manual/nix/stable/command-ref/new-cli/nix3-develop.html#flake-output-attributes
devShells.default = pkgs.mkShell {
# packages = [ poetry2nix.packages.${system}.poetry ];
packages = [ poetry2nix.packages.x86_64-linux.poetry ];
shellHook = "poetry run xonsh";
inputsFrom = [ self.packages.x86_64-linux.piker ];
# TODO: boot xonsh inside the poetry virtualenv when
# defined via a custom entry point?
# NOTE XXX: apparently DON'T do these..?
# shellHook = "poetry run xonsh";
# shellHook = "poetry shell";
};
}