added action to update readme with calendar screenshot

Author: jakubdotpy3d

.github/scripts/take_screenshot.py

@@ -0,0 +1,54 @@
+import os
+
+from PIL import Image
+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support import expected_conditions as EC
+from selenium.webdriver.support.ui import WebDriverWait
+
+
+def setup_driver(cookie_value):
+    options = Options()
+    options.add_argument('--headless=new')
+    options.add_argument('--window-size=1920,1080')
+    driver = webdriver.Chrome(options=options)
+    driver.get('https://adventofcode.com')
+    driver.add_cookie(
+        {'name': 'session', 'value': cookie_value.lstrip('session='), 'domain': 'adventofcode.com'}
+    )
+    return driver
+
+
+def crop_image(input_path, output_path, crop_box=(0, 0, 640, 621)):
+    with Image.open(input_path) as img:
+        cropped = img.crop(crop_box)
+        cropped.save(output_path)
+
+
+def take_screenshot(driver, url, selector, output_name):
+    driver.get(url)
+    element = WebDriverWait(driver, 10).until(
+        EC.presence_of_element_located((By.CSS_SELECTOR, selector))
+    )
+    element.screenshot(output_name)
+    crop_image(output_name, output_name)
+
+
+def main():
+    os.makedirs('screenshots', exist_ok=True)
+    cookie = os.getenv('COOKIE')
+    driver = setup_driver(cookie)
+    try:
+        take_screenshot(
+            driver,
+            'https://adventofcode.com/2024',
+            'body > main > pre',
+            'screenshots/aoc-screenshot.png',
+        )
+    finally:
+        driver.quit()
+
+
+if __name__ == '__main__':
+    main()

.github/workflows/update_readme.yml

@@ -0,0 +1,51 @@
+name: Update Screenshot in README
+
+on:
+  push:
+    branches:
+      - master
+
+  workflow_dispatch:
+
+jobs:
+  update-readme:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+
+      - name: Install the project
+        run: uv sync --group actions --all-extras --dev
+
+      - name: Install Chrome
+        uses: browser-actions/setup-chrome@v1
+        with:
+          chrome-version: stable
+
+      - name: Install Chrome WebDriver
+        uses: nanasess/setup-chromedriver@v2
+
+      - name: Start Chrome Driver
+        run: |
+          chromedriver --version
+          chrome --version
+
+      - name: Take Screenshot
+        env:
+          COOKIE: ${{ secrets.COOKIE }}
+        run: |
+          uv run .github/scripts/take_screenshot.py
+
+      - name: Upload screenshot artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: webpage-screenshots
+          path: screenshots/
+
+      - name: Commit and Push Changes
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: "Update screenshot in README"
+          file_pattern: screenshots/*.png

README.md

@@ -3,6 +3,8 @@ advent of code 2024
 
 https://adventofcode.com/2024
 
+![Advent of Code Screenshot](screenshots/aoc-screenshot.png)
+
 ### about
 
 https://adventofcode.com/2024/about

pyproject.toml

@@ -20,6 +20,10 @@ dev = [
     "pre-commit>=4.0.1",
     "ruff>=0.8.1",
 ]
+actions = [
+    "pillow>=11.0.0",
+    "selenium>=4.27.1",
+]
 
 # --- tools configuration ---