init

README.md

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+# lol

flake.nix

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+{
+  description = "A basic flake using pyproject.toml project metadata";
+
+  inputs = {
+    pyproject-nix = {
+      url = "github:nix-community/pyproject.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    { nixpkgs, pyproject-nix, ... }:
+    let
+      inherit (nixpkgs) lib;
+
+      project = pyproject-nix.lib.project.loadPyproject {
+        # Read & unmarshal pyproject.toml relative to this project root.
+        # projectRoot is also used to set `src` for renderers such as buildPythonPackage.
+        projectRoot = ./.;
+      };
+
+      # This example is only using x86_64-linux
+      pkgs = nixpkgs.legacyPackages.x86_64-linux;
+
+      python = pkgs.python3;
+
+    in
+    {
+      devShells.x86_64-linux.default =
+        let
+          # Returns a function that can be passed to `python.withPackages`
+          arg = project.renderers.withPackages { inherit python; };
+
+          # Returns a wrapped environment (virtualenv like) with all our packages
+          pythonEnv = python.withPackages arg;
+
+        in
+        # Create a devShell like normal.
+        pkgs.mkShell { packages = [ pythonEnv ]; };
+
+      # Build our package using `buildPythonPackage
+      packages.x86_64-linux.default =
+        let
+          # Returns an attribute set that can be passed to `buildPythonPackage`.
+          attrs = project.renderers.buildPythonPackage { inherit python; };
+        in
+        # Pass attributes to buildPythonPackage.
+        # Here is a good spot to add on any missing or custom attributes.
+        python.pkgs.buildPythonPackage (
+          attrs
+          // {
+            env.CUSTOM_ENVVAR = "hello";
+          }
+        );
+    };
+}

pyproject.toml

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+[build-system]
+requires = ["setuptools", "setuptools-scm"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "stock-script"
+authors = [
+    {name = "Example Author", email = "author@example.com"}
+]
+description = "package description"
+version = "0.0.1"
+readme = "README.md"
+requires-python = ">=3.7"
+dependencies = [
+    "requests > 2.26.0",
+    "pandas"
+]
+
+[project.scripts]
+stock = "stock:main"