Add python flake

python/.envrc

@@ -0,0 +1 @@
+use flake

python/.gitignore

@@ -0,0 +1 @@
+.direnv

python/flake.lock

@@ -0,0 +1,59 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1701680307,
+        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1699155732,
+        "narHash": "sha256-Wg4RmOGUEO4YCF0fEc/qiQ/3+BGC/f0qywIE8xEkIpY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "15492ddc2974ba426ea7e17116ea7aa44fc96dcd",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

python/flake.nix

@@ -0,0 +1,19 @@
+{
+  description = "A bare python flake";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (sys:
+      let pkgs = nixpkgs.legacyPackages.${sys};
+          python = pkgs.python310.withPackages (ps: with ps; [
+            matplotlib
+            ipython
+          ]);
+      in rec {
+        devShells.default = python;
+      }
+    );
+}

python/main.py

@@ -0,0 +1,7 @@
+import matplotlib.pyplot as plt
+
+fig, ax = plt.subplots()
+ax.plot([1, 2, 3, -3])
+ax.set_xlabel("time")
+ax.set_ylabel("swag")
+plt.show()