create gh action and workflow to update copyright year for files.

Author: ParagEkbote

.github/workflows/update_copyright_year.yml

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+name: Update Copyright Year 
+
+on:
+  schedule:
+    - cron: "0 0 1 1 *"
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  update-year-pr:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v5
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Update copyright year
+        run: python .github/scripts/update_copyright.py
+
+      - name: Check for changes
+        id: check_changes
+        run: |
+          if git diff --quiet; then
+            echo "has_changes=false" >> $GITHUB_OUTPUT
+          else
+            echo "has_changes=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Create PR
+        if: steps.check_changes.outputs.has_changes == 'true'
+        run: |
+          YEAR=$(date +'%Y')
+          BRANCH="update-copyright-$YEAR"
+          
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          
+          git checkout -b "$BRANCH"
+          git add .
+          git commit -m "chore: update copyright year to $YEAR"
+          git push --set-upstream origin "$BRANCH"
+          
+          gh pr create \
+            --title "chore: update copyright year to $YEAR" \
+            --body "Automated update of copyright year to $YEAR." \
+            --head "$BRANCH" \
+            --base main \
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

utils/update_copyright_year.py

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+#!/usr/bin/env python3
+"""
+Update copyright year in source files to the current year.
+"""
+import re
+import sys
+from datetime import datetime
+from pathlib import Path
+
+# Set current year
+YEAR = str(datetime.now().year)
+
+EXTENSIONS = {".py", ".md"}
+
+# Directories to exclude
+EXCLUDE_DIRS = {
+    ".venv",
+    "venv",
+    "node_modules",
+    ".git",
+    "__pycache__",
+    ".tox",
+    "dist",
+    "build",
+    ".egg-info",
+}
+
+# Regex patterns to match copyright lines
+COPYRIGHT_PATTERNS = [
+    re.compile(r"(# Copyright )(\d{4})( The HuggingFace Team\.)"),
+    re.compile(r"(# Copyright \(c\) )(\d{4})( The HuggingFace Team\.)"),
+    re.compile(r"(Copyright )(\d{4})( The HuggingFace Team\.)"),
+    re.compile(r"(Copyright \(c\) )(\d{4})( The HuggingFace Team\.)"),
+]
+
+
+def should_exclude(path: Path) -> bool:
+    """Check if path should be excluded."""
+    return any(excluded in path.parts for excluded in EXCLUDE_DIRS)
+
+
+def update_file(file_path: Path) -> int:
+    """Update copyright year in a single file. Returns number of updates."""
+    try:
+        content = file_path.read_text(encoding="utf-8")
+    except Exception as e:
+        print(f"Warning: Could not read {file_path}: {e}", file=sys.stderr)
+        return 0
+
+    new_content = content
+    total_count = 0
+
+    for pattern in COPYRIGHT_PATTERNS:
+        new_content, count = pattern.subn(rf"\g<1>{YEAR}\g<3>", new_content)
+        total_count += count
+
+    if total_count > 0:
+        try:
+            file_path.write_text(new_content, encoding="utf-8")
+            print(f"✓ Updated {total_count} line(s) in {file_path}")
+        except Exception as e:
+            print(f"Error: Could not write {file_path}: {e}", file=sys.stderr)
+            return 0
+
+    return total_count
+
+
+def main():
+    repo_root = Path(".").resolve()
+    
+    print(f"Updating copyright to {YEAR}...")
+    
+    total_files = 0
+    total_updates = 0
+
+    for file_path in repo_root.rglob("*"):
+        if not file_path.is_file() or should_exclude(file_path):
+            continue
+        
+        if file_path.suffix in EXTENSIONS:
+            updates = update_file(file_path)
+            if updates > 0:
+                total_files += 1
+                total_updates += updates
+
+    print(f"\nSummary: Updated {total_updates} line(s) in {total_files} file(s)")
+    
+    # Exit with 0 if updates were made, 1 if no updates needed
+    return 0 if total_updates > 0 else 1
+
+
+if __name__ == "__main__":
+    sys.exit(main())