Merge branch 'flake' into proto3-field-presence

Author: roblabla

flake.lock

@@ -0,0 +1,58 @@
+{
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    flake-utils.inputs.nixpkgs.follows = "nixpkgs";
+    poetry2nix.url = "github:nix-community/poetry2nix";
+    poetry2nix.inputs.nixpkgs.follows = "nixpkgs";
+    poetry2nix.inputs.flake-utils.follows = "flake-utils";
+  };
+  outputs = { self, nixpkgs, flake-utils, poetry2nix }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [ poetry2nix.overlay ];
+        };
+        env = pkgs.poetry2nix.mkPoetryEnv {
+          python = pkgs.python38Packages.python;
+          projectDir = ./.;
+          overrides = pkgs.poetry2nix.overrides.withDefaults (self: super: {
+            sphinx-rtd-theme = null;
+            cwcwidth = super.buildPythonPackage rec {
+              pname = "cwcwidth";
+              version = "0.1.4";
+
+              src = super.fetchPypi {
+                inherit pname version;
+                sha256 = "1azrphpkcyggg38xvkfb9dpc4xmmm90p02kf8dkqd4d6j5w96aj8";
+              };
+
+              nativeBuildInputs = [ super.cython ];
+
+              checkInputs = [ super.pytestCheckHook ];
+              # Hack needed to make pytest + cython work
+              # https://github.com/NixOS/nixpkgs/pull/82410#issuecomment-827186298
+              preCheck = ''
+                export HOME=$(mktemp -d)
+                cp -r $TMP/$sourceRoot/tests $HOME
+                pushd $HOME
+              '';
+              postCheck = "popd";
+
+              pythonImportsCheck = [ "cwcwidth" ];
+            };
+          });
+          editablePackageSources = {
+            betterproto = ./src;
+          };
+        };
+
+      in
+      with pkgs;
+      {
+        devShell = mkShell {
+          nativeBuildInputs = [ env python38Packages.poetry protobuf ];
+        };
+      }
+    );
+}