pycares

import pycares import socket def callback(result, error): if error: print(f"Error: {error}") return if result: for record in result.answer: if record.type == pycares.QUERY_TYPE_A: print(f"A record for {record.name}: {record.data.addr}") elif record.type == pycares.QUERY_TYPE_AAAA: print(f"AAAA record for {record.name}: {record.data.addr}") elif record.type == pycares.QUERY_TYPE_MX: print(f"MX record for {record.name}: priority={record.data.priority}, exchange={record.data.exchange}") # Add other record types as needed else: print("No records found.") # Using a simple select-based event loop channel = pycares.Channel(timeout=5.0) # Query for A records channel.query("google.com", pycares.QUERY_TYPE_A, callback=callback) # Query for MX records channel.query("example.com", pycares.QUERY_TYPE_MX, callback=callback) # Basic event loop processing while True: read_fds, write_fds = channel.getsockname() if not read_fds and not write_fds: break # In a real application, use an actual event loop (e.g., asyncio, Tornado, Gevent) # For this simple example, we block briefly try: rlist, wlist, xlist = socket.select(read_fds, write_fds, [], 1.0) except socket.error as e: print(f"Socket error in select: {e}") break channel.process_fd(rlist, wlist)