Commit Message:

- Added examples for Amazon product data extraction methods
  - Updated configuration options and enhance documentation
  - Minor refactoring for improved performance and readability
  - Cleaned up version control settings.

crawl4ai/ssl_certificate.py

@@ -13,13 +13,34 @@ from pathlib import Path
 class SSLCertificate:
     """
     A class representing an SSL certificate with methods to export in various formats.
+    
+    Attributes:
+        cert_info (Dict[str, Any]): The certificate information.
+        
+        Methods:
+            from_url(url: str, timeout: int = 10) -> Optional['SSLCertificate']: Create SSLCertificate instance from a URL.
+            from_file(file_path: str) -> Optional['SSLCertificate']: Create SSLCertificate instance from a file.
+            from_binary(binary_data: bytes) -> Optional['SSLCertificate']: Create SSLCertificate instance from binary data.
+            export_as_pem() -> str: Export the certificate as PEM format.
+            export_as_der() -> bytes: Export the certificate as DER format.
+            export_as_json() -> Dict[str, Any]: Export the certificate as JSON format.
+            export_as_text() -> str: Export the certificate as text format.
     """
     def __init__(self, cert_info: Dict[str, Any]):
         self._cert_info = self._decode_cert_data(cert_info)
 
     @staticmethod
     def from_url(url: str, timeout: int = 10) -> Optional['SSLCertificate']:
-        """Create SSLCertificate instance from a URL."""
+        """
+        Create SSLCertificate instance from a URL.
+        
+        Args:
+            url (str): URL of the website.
+            timeout (int): Timeout for the connection (default: 10).
+        
+        Returns:
+            Optional[SSLCertificate]: SSLCertificate instance if successful, None otherwise.
+        """
         try:
             hostname = urlparse(url).netloc
             if ':' in hostname:
@@ -73,7 +94,15 @@ class SSLCertificate:
         return data
 
     def to_json(self, filepath: Optional[str] = None) -> Optional[str]:
-        """Export certificate as JSON."""
+        """
+        Export certificate as JSON.
+        
+        Args:
+            filepath (Optional[str]): Path to save the JSON file (default: None).
+        
+        Returns:
+            Optional[str]: JSON string if successful, None otherwise.
+        """
         json_str = json.dumps(self._cert_info, indent=2, ensure_ascii=False)
         if filepath:
             Path(filepath).write_text(json_str, encoding='utf-8')
@@ -81,7 +110,15 @@ class SSLCertificate:
         return json_str
 
     def to_pem(self, filepath: Optional[str] = None) -> Optional[str]:
-        """Export certificate as PEM."""
+        """
+        Export certificate as PEM.
+        
+        Args:
+            filepath (Optional[str]): Path to save the PEM file (default: None).
+        
+        Returns:
+            Optional[str]: PEM string if successful, None otherwise.
+        """
         try:
             x509 = OpenSSL.crypto.load_certificate(
                 OpenSSL.crypto.FILETYPE_ASN1, 
@@ -100,7 +137,15 @@ class SSLCertificate:
             return None
 
     def to_der(self, filepath: Optional[str] = None) -> Optional[bytes]:
-        """Export certificate as DER."""
+        """
+        Export certificate as DER.
+        
+        Args:
+            filepath (Optional[str]): Path to save the DER file (default: None).
+        
+        Returns:
+            Optional[bytes]: DER bytes if successful, None otherwise.
+        """
         try:
             der_data = base64.b64decode(self._cert_info['raw_cert'])
             if filepath: