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languages/python: add mypy #1395

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3 changes: 3 additions & 0 deletions docs/manual/release-notes/rl-0.9.md
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Original file line number Diff line number Diff line change
Expand Up @@ -176,6 +176,9 @@

- Added Debugging support to `languages.php`.

- Added [mypy](https://www.mypy-lang.org/) to `languages.python` for extra
diagnostics.

[vagahbond](https://github.com/vagahbond): [codewindow.nvim]:
https://github.com/gorbit99/codewindow.nvim

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29 changes: 28 additions & 1 deletion modules/plugins/languages/python.nix
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Expand Up @@ -11,7 +11,7 @@
inherit (lib.modules) mkIf mkMerge;
inherit (lib.types) enum package bool;
inherit (lib.nvim.attrsets) mapListToAttrs;
inherit (lib.nvim.types) deprecatedSingleOrListOf;
inherit (lib.nvim.types) deprecatedSingleOrListOf diagnostics;
inherit (lib.generators) mkLuaInline;
inherit (lib.nvim.dag) entryBefore;
inherit (lib.trivial) warn;
Expand Down Expand Up @@ -278,6 +278,14 @@
'';
};
};
defaultDiagnosticsProvider = ["mypy"];
diagnosticsProviders = {
mypy = {
config = {
cmd = getExe' pkgs.mypy "mypy";
};
};
};
in {
options.vim.languages.python = {
enable = mkEnableOption "Python language support";
Expand Down Expand Up @@ -335,6 +343,15 @@ in {
'';
};
};

extraDiagnostics = {
enable = mkEnableOption "extra Python diagnostics" // {default = config.vim.languages.enableExtraDiagnostics;};
types = diagnostics {
langDesc = "Python";
inherit diagnosticsProviders;
inherit defaultDiagnosticsProvider;
};
};
};

config = mkIf cfg.enable (mkMerge [
Expand Down Expand Up @@ -404,5 +421,15 @@ in {
vim.debugger.nvim-dap.enable = true;
vim.debugger.nvim-dap.sources.python-debugger = debuggers.${cfg.dap.debugger}.dapConfig;
})

(mkIf cfg.extraDiagnostics.enable {
vim.diagnostics.nvim-lint = {
enable = true;
linters_by_ft.python = cfg.extraDiagnostics.types;
linters =
mkMerge (map (name: {${name} = diagnosticsProviders.${name}.config;})
cfg.extraDiagnostics.types);
};
})
]);
}
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