ADHOC: Standardize on Python

.editorconfig

@@ -7,3 +7,6 @@ indent_size = 2
 indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true
+
+[*.py]
+indent_size = 4

.github/workflows/build-and-test.yml → .github/workflows/build.yml

@@ -1,8 +1,9 @@
-name: Build and Test
+name: Build
 
 on:
   pull_request:
     paths-ignore:
+      - CODEOWNERS
       - LICENSE
       - README.md
   push:
@@ -27,19 +28,31 @@ jobs:
           ref: ${{ github.head_ref }}
           token: ${{ steps.generate-token.outputs.token }}
 
-      - name: Setup NodeJS
-        uses: actions/setup-node@v3
+      - name: Setup Python
+        uses: actions/setup-python@v5
         with:
-          node-version: 20
+          python-version: '3.13'
+
+      - name: Install poetry
+        run: python -m pip install poetry==2.1.1
+
+      - name: Configure poetry
+        run: poetry config virtualenvs.in-project true
+
+      - name: Cache the virtualenv
+        uses: actions/cache@v4
+        with:
+          path: ./.venv
+          key: ${{ runner.os }}-venv-${{ hashFiles('**/poetry.lock') }}
 
       - name: Install dependencies
-        run: npm ci
+        run: poetry install
 
-      - name: Fix
-        run: npm run fix
+      - name: Run format
+        run: poetry run format
 
-      - name: Build
-        run: npm run build
+      - name: Run lint
+        run: poetry run lint
 
       - name: Commit
         if: ${{ github.ref != 'refs/heads/main' }}
@@ -49,7 +62,3 @@ jobs:
           author_name: github-actions[bot]
           author_email: github-actions[bot]@github.com
           message: Automatic commit via GitHub Actions
-
-      - name: Test
-        if: ${{ steps.commit.outputs.committed == 'false' }}
-        run: npm run test

.gitignore

@@ -1,7 +1,9 @@
-build/
-coverage/
-dist/
-node_modules/
+__pycache__/
+.env/
+.mypy_cache/
+.venv/
+.vscode/
 
-*.tgz
-.env
+*.egg-info/
+*.pyc
+*.pyo

Makefile

@@ -1,4 +1,4 @@
 .PHONY: %
 
 %:
-	npm run test -- -t="problem $@"
+	poetry run pytest project_euler/$@.py

README.md

@@ -4,12 +4,8 @@
 
 These are solutions to [Project Euler](https://projecteuler.net/) problems.  It's easy to find solutions on the net, so if you don't want to spoil the fun, don't look at these.
 
-## Usage
+## Development
 
-1. Run `npm install`.
-1. Run `npm run all` to build the entire project.
-1. Run `make <NUMBER>` to run a specific solution.
-
-Some solution explanations on the [GitHub Pages](http://retiman.github.io/project-euler/) for this repository (published from the `docs` directory).
-
-Some solutions are written in Racket.
+1. Install poetry: `curl -sSL https://install.python-poetry.org | python`
+1. Install dependencies: `poetry install`
+1. Run tests: `poetry run test`