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Metadata-Version: 1.1 Name: aiodns Version: 2.0.0 Summary: Simple DNS resolver for asyncio Home-page: http://github.com/saghul/aiodns Author: Saúl Ibarra Corretgé Author-email: s@saghul.net License: UNKNOWN Description: =============================== Simple DNS resolver for asyncio =============================== .. image:: https://secure.travis-ci.org/saghul/aiodns.png?branch=master :target: http://travis-ci.org/saghul/aiodns aiodns provides a simple way for doing asynchronous DNS resolutions using `pycares <https://github.com/saghul/pycares>`_. Example ======= :: import asyncio import aiodns loop = asyncio.get_event_loop() resolver = aiodns.DNSResolver(loop=loop) async def query(name, query_type): return await resolver.query(name, query_type) coro = query('google.com', 'A') result = loop.run_until_complete(coro) The following query types are supported: A, AAAA, ANY, CNAME, MX, NAPTR, NS, PTR, SOA, SRV, TXT. API === The API is pretty simple, three functions are provided in the ``DNSResolver`` class: * ``query(host, type)``: Do a DNS resolution of the given type for the given hostname. It returns an instance of ``asyncio.Future``. The actual result of the DNS query is taken directly from pycares. As of version 1.0.0 of aiodns (and pycares, for that matter) results are always namedtuple-like objects with different attributes. Please check `the documentation <http://pycares.readthedocs.org/en/latest/channel.html#pycares.Channel.query>`_ for the result fields. * ``gethostbyname(host, socket_family)``: Do a DNS resolution for the given hostname and the desired type of address family (i.e. ``socket.AF_INET``). While ``query()`` always performs a request to a DNS server, ``gethostbyname()`` first looks into ``/etc/hosts`` and thus can resolve local hostnames (such as ``localhost``). Please check `the documentation <http://pycares.readthedocs.io/en/latest/channel.html#pycares.Channel.gethostbyname>`_ for the result fields. The actual result of the call is a ``asyncio.Future``. * ``gethostbyaddr(name)``: Make a reverse lookup for an address. * ``cancel()``: Cancel all pending DNS queries. All futures will get ``DNSError`` exception set, with ``ARES_ECANCELLED`` errno. Running the test suite ====================== To run the test suite: ``python tests.py`` Author ====== Saúl Ibarra Corretgé <s@saghul.net> License ======= aiodns uses the MIT license, check LICENSE file. Python versions =============== Python >= 3.5 are supported. Contributing ============ If you'd like to contribute, fork the project, make a patch and send a pull request. Have a look at the surrounding code and please, make yours look alike :-) Platform: POSIX Platform: Microsoft Windows Classifier: Development Status :: 5 - Production/Stable Classifier: Intended Audience :: Developers Classifier: License :: OSI Approved :: MIT License Classifier: Operating System :: POSIX Classifier: Operating System :: Microsoft :: Windows Classifier: Programming Language :: Python Classifier: Programming Language :: Python :: 3 Classifier: Programming Language :: Python :: 3.5 Classifier: Programming Language :: Python :: 3.6 Classifier: Programming Language :: Python :: 3.7
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