From 78725a4eed2a3cdf5c01047067b1f42187ca123f Mon Sep 17 00:00:00 2001
From: Johan Sandoval <jojo.han718@gmail.com>
Date: Tue, 21 Jul 2026 19:01:11 -0500
Subject: [PATCH] Set up python environment for easier development

---
 .envrc                |  1 +
 .gitignore            |  5 +++++
 1-Two-Sum/Solution.py |  3 ---
 flake.lock            | 27 +++++++++++++++++++++++++++
 flake.nix             | 18 ++++++++++++++++++
 new.sh                | 12 ++++++++++++
 pyproject.toml        |  9 +++++++++
 7 files changed, 72 insertions(+), 3 deletions(-)
 create mode 100644 .envrc
 create mode 100644 .gitignore
 delete mode 100644 1-Two-Sum/Solution.py
 create mode 100644 flake.lock
 create mode 100644 flake.nix
 create mode 100755 new.sh
 create mode 100644 pyproject.toml

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f58d9a2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+.direnv/
+__pycache__/
+.pytest_cache/
+.ruff_cache/
+result
diff --git a/1-Two-Sum/Solution.py b/1-Two-Sum/Solution.py
deleted file mode 100644
index 33e87dc..0000000
--- a/1-Two-Sum/Solution.py
+++ /dev/null
@@ -1,3 +0,0 @@
-class Solution:
-    def twoSum(self, nums: List[int], target: int) -> List[int]:
-        
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..fdfbda4
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1784497964,
+        "narHash": "sha256-vlHUuqAcbcH2RKmHbPiuQzbv1pnzzavXnI62RD0bqCU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "241313f4e8e508cb9b13278c2b0fa25b9ca27163",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..c3a5247
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,18 @@
+{
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  outputs = { self, nixpkgs }:
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+    in {
+      devShells.${system}.default = pkgs.mkShell {
+        packages = with pkgs; [
+          python313
+          ruff              # lint + format
+          basedpyright      # LSP / type checking
+          python313Packages.pytest
+          entr
+        ];
+      };
+    };
+}
diff --git a/new.sh b/new.sh
new file mode 100755
index 0000000..1fd75a7
--- /dev/null
+++ b/new.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+d="problems/$1"; mkdir -p "$d"
+cat > "$d/solution.py" <<'EOF'
+class Solution:
+    def solve(self):
+        pass
+EOF
+cat > "$d/solution_test.py" <<'EOF'
+from solution import Solution
+def test_solve():
+    assert Solution().solve() is None
+EOF
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..f095949
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,9 @@
+[tool.ruff]
+line-length = 100
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "UP", "B", "SIM"]
+
+[tool.pytest.ini_options]
+testpaths = ["."]
+python_files = ["*_test.py"]