Migrating from the classic setup.py to a using PyProject approach.

build_hooks.py

@@ -0,0 +1,48 @@
+import os
+import shutil
+from pathlib import Path
+import subprocess
+import sys
+from hatchling.builders.hooks.plugin.interface import BuildHookInterface
+PLUGIN = "CustomBuildHook" 
+
+class CustomBuildHook(BuildHookInterface):
+    def initialize(self, version, build_data):
+        # Create the .crawl4ai folder structure
+        base_dir = os.getenv("CRAWL4_AI_BASE_DIRECTORY")
+        crawl4ai_folder = Path(base_dir) if base_dir else Path.home()
+        crawl4ai_folder = crawl4ai_folder / ".crawl4ai"
+        cache_folder = crawl4ai_folder / "cache"
+        content_folders = [
+            "html_content",
+            "cleaned_html",
+            "markdown_content",
+            "extracted_content",
+            "screenshots",
+        ]
+
+        # Clean up old cache if exists
+        if cache_folder.exists():
+            shutil.rmtree(cache_folder)
+
+        # Create new folder structure
+        crawl4ai_folder.mkdir(exist_ok=True)
+        cache_folder.mkdir(exist_ok=True)
+        for folder in content_folders:
+            (crawl4ai_folder / folder).mkdir(exist_ok=True)
+
+        # Install Playwright browsers
+        try:
+            subprocess.check_call([sys.executable, "-m", "playwright", "install"])
+        except Exception as e:
+            print(f"Warning: Playwright installation failed: {e}")
+            print("Please run 'python -m playwright install' manually after installation")
+
+        # Initialize database
+        try:
+            from crawl4ai.async_database import async_db_manager
+            import asyncio
+            asyncio.run(async_db_manager.initialize())
+        except Exception as e:
+            print(f"Warning: Database initialization failed: {e}")
+            print("Database will be initialized on first use")