Astro Gold License Key -

# Example key format: XXXX-XXXX-XXXX-XXXX KEY_PATTERN = re.compile(r'^[A-Z0-9]{4}-[A-Z0-9]{4}-[A-Z0-9]{4}-[A-Z0-9]{4}$')

@staticmethod def is_valid_format(key: str) -> bool: """Check if license key matches expected format""" return bool(AstroGoldLicenseHelper.KEY_PATTERN.match(key.strip().upper())) Astro Gold License Key

@staticmethod def verify_against_list(key: str, valid_keys: list) -> bool: """Check if key exists in a list of valid licenses""" normalized = AstroGoldLicenseHelper.normalize_key(key) return normalized in [AstroGoldLicenseHelper.normalize_key(k) for k in valid_keys] # Example key format: XXXX-XXXX-XXXX-XXXX KEY_PATTERN = re

If you can share more about your specific use case (e.g., building a license manager, helping users retrieve lost keys, or integrating with Astro Gold itself), I can give you a much more targeted and helpful feature implementation. valid_keys: list) -&gt

@staticmethod def generate_checksum(key_part: str) -> str: """Simple checksum for validation (example)""" return hashlib.md5(key_part.encode()).hexdigest()[:4].upper()

@staticmethod def normalize_key(key: str) -> str: """Strip whitespace and convert to uppercase""" return key.strip().upper()