For checking comments.

def comment_check(self, params):
        """For checking comments."""
    
        # Check required params for comment-check
        for required in ['blog', 'user_ip', 'user_agent']:
            if required not in params:
                raise MissingParams(required) 
    
        response = self._request('comment-check', params)
        
        if response.status is 200:
            # Read response (trimmed of whitespace)
            return response.read().strip() == "true"
            
        return False