Redo `flake.nix` using `pyproject.nix` recos
Particularly using their recommended "impure template", - https://pyproject-nix.github.io/pyproject.nix/templates.html#impure - code: https://github.com/pyproject-nix/pyproject.nix/blob/master/templates/impure/flake.nix Note the `shellHook` now contains various `uv`-specific osenv settings and cmds to get a dev-env setup the way i would do it by default, that includes all dev and extra (group) deps. For now i've hard coded the "virt-env subdir" used by `uv` to match the cpython version. We can obviously parameterize this much better in the future. For those who want to spawn a diff shell then bash see the commented line, for ex. i personally use `nix develop -c uv run xonsh`.nixround2_n_sway_testing
Tyler Goodlet
parent
d4fe6b7717
commit
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flake.nix
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flake.nix
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# NOTE: to convert to a poetry2nix env like this here are the
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# An "impure" template thx to `pyproject.nix`,
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# steps:
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# https://pyproject-nix.github.io/pyproject.nix/templates.html#impure
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# - install poetry in your system nix config
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# https://github.com/pyproject-nix/pyproject.nix/blob/master/templates/impure/flake.nix
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# - convert the repo to use poetry using `poetry init`:
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# https://python-poetry.org/docs/basic-usage/#initialising-a-pre-existing-project
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# - then manually ensuring all deps are converted over:
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# - add this file to the repo and commit it
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# -
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# GROKin tips:
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# - CLI eps are (ostensibly) added via an `entry_points.txt`:
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# - https://packaging.python.org/en/latest/specifications/entry-points/#file-format
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# - https://github.com/nix-community/poetry2nix/blob/master/editable.nix#L49
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{
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{
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description = "piker: trading gear for hackers (pkged with poetry2nix)";
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description = "An impure `piker` overlay using `uv` with Nix(OS)";
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inputs.flake-utils.url = "github:numtide/flake-utils";
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inputs = {
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inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
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# see https://github.com/nix-community/poetry2nix/tree/master#api
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inputs.poetry2nix = {
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# url = "github:nix-community/poetry2nix";
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# url = "github:K900/poetry2nix/qt5-explicit-deps";
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url = "/home/lord_fomo/repos/poetry2nix";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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};
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outputs = {
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outputs =
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self,
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{ nixpkgs, ... }:
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nixpkgs,
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flake-utils,
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poetry2nix,
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}:
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# TODO: build cross-OS and use the `${system}` var thingy..
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flake-utils.lib.eachDefaultSystem (system:
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let
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let
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# use PWD as sources
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inherit (nixpkgs) lib;
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projectDir = ./.;
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forAllSystems = lib.genAttrs lib.systems.flakeExposed;
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pyproject = ./pyproject.toml;
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poetrylock = ./poetry.lock;
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# TODO: port to 3.11 and support both versions?
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python = "python3.10";
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# for more functions and examples.
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# inherit
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# (poetry2nix.legacyPackages.${system})
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# mkPoetryApplication;
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# pkgs = nixpkgs.legacyPackages.${system};
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pkgs = nixpkgs.legacyPackages.x86_64-linux;
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lib = pkgs.lib;
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p2npkgs = poetry2nix.legacyPackages.x86_64-linux;
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# define all pkg overrides per dep, see edgecases.md:
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# https://github.com/nix-community/poetry2nix/blob/master/docs/edgecases.md
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# TODO: add these into the json file:
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# https://github.com/nix-community/poetry2nix/blob/master/overrides/build-systems.json
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pypkgs-build-requirements = {
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asyncvnc = [ "setuptools" ];
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eventkit = [ "setuptools" ];
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ib-insync = [ "setuptools" "flake8" ];
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msgspec = [ "setuptools"];
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pdbp = [ "setuptools" ];
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pyqt6-sip = [ "setuptools" ];
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tabcompleter = [ "setuptools" ];
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tractor = [ "setuptools" ];
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tricycle = [ "setuptools" ];
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trio-typing = [ "setuptools" ];
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trio-util = [ "setuptools" ];
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xonsh = [ "setuptools" ];
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};
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# auto-generate override entries
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p2n-overrides = p2npkgs.defaultPoetryOverrides.extend (self: super:
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builtins.mapAttrs (package: build-requirements:
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(builtins.getAttr package super).overridePythonAttrs (old: {
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buildInputs = (
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old.buildInputs or [ ]
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) ++ (
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builtins.map (
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pkg: if builtins.isString pkg then builtins.getAttr pkg super else pkg
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) build-requirements
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);
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})
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) pypkgs-build-requirements
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);
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# override some ahead-of-time compiled extensions
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# to be built with their wheels.
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ahot_overrides = p2n-overrides.extend(
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final: prev: {
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# llvmlite = prev.llvmlite.override {
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# preferWheel = false;
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# };
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# TODO: get this workin with p2n and nixpkgs..
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# pyqt6 = prev.pyqt6.override {
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# preferWheel = true;
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# };
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# NOTE: this DOESN'T work atm but after a fix
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# to poetry2nix, it will and actually this line
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# won't be needed - thanks @k900:
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# https://github.com/nix-community/poetry2nix/pull/1257
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pyqt5 = prev.pyqt5.override {
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# withWebkit = false;
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preferWheel = true;
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};
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# see PR from @k900:
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# https://github.com/nix-community/poetry2nix/pull/1257
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# pyqt5-qt5 = prev.pyqt5-qt5.override {
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# withWebkit = false;
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# preferWheel = true;
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# };
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# TODO: patch in an override for polars to build
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# from src! See the details likely needed from
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# the cryptography entry:
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# https://github.com/nix-community/poetry2nix/blob/master/overrides/default.nix#L426-L435
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polars = prev.polars.override {
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preferWheel = true;
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};
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}
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);
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# WHY!? -> output-attrs that `nix develop` scans for:
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# https://nixos.org/manual/nix/stable/command-ref/new-cli/nix3-develop.html#flake-output-attributes
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in
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in
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rec {
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{
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packages = {
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devShells = forAllSystems (
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# piker = poetry2nix.legacyPackages.x86_64-linux.mkPoetryEditablePackage {
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system:
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# editablePackageSources = { piker = ./piker; };
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let
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pkgs = nixpkgs.legacyPackages.${system};
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in
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{
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default = pkgs.mkShell {
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packages = [
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pkgs.python313
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pkgs.uv
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];
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piker = p2npkgs.mkPoetryApplication {
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shellHook = ''
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projectDir = projectDir;
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unset PYTHONPATH
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# SEE ABOVE for auto-genned input set, override
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# expose C++ stdlib to overlay
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# buncha deps with extras.. like `setuptools` mostly.
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export LD_LIBRARY_PATH="${pkgs.stdenv.cc.cc.lib}/lib:$LD_LIBRARY_PATH"
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# TODO: maybe propose a patch to p2n to show that you
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# can even do this in the edgecases docs?
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overrides = ahot_overrides;
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# XXX: won't work on llvmlite..
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# always use the ./py313/ venv-subdir
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# preferWheels = true;
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export UV_PROJECT_ENVIRONMENT="py313"
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};
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};
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# devShells.default = pkgs.mkShell {
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# sync project-env with all extras
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# projectDir = projectDir;
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uv sync --dev --all-extras
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# python = "python3.10";
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# overrides = ahot_overrides;
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# inputsFrom = [ self.packages.x86_64-linux.piker ];
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# packages = packages;
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# # packages = [ poetry2nix.packages.${system}.poetry ];
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# };
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# TODO: grok the difference here..
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# NOTE, to launch the py-venv installed `xonsh` (like @goodboy)
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# - avoid re-cloning git repos on every develop entry..
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# run the `nix develop` cmd with,
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# - ideally allow hacking on the src code of some deps
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# >> nix develop -c uv run xonsh
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# (tractor, pyqtgraph, tomlkit, etc.) WITHOUT having to
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'';
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# re-install them every time a change is made.
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# - boot a usable xonsh inside the poetry virtualenv when
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# defined via a custom entry point?
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devShells.default = p2npkgs.mkPoetryEnv {
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# env = p2npkgs.mkPoetryEnv {
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projectDir = projectDir;
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python = pkgs.python310;
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overrides = ahot_overrides;
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editablePackageSources = packages;
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# piker = "./";
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# tractor = "../tractor/";
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# }; # wut?
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};
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};
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}
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}
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); # end of .outputs scope
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);
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};
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}
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}
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Loading…
Reference in New Issue