Simple DNS resolver for asyncio

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Project description

https://secure.travis-ci.org/saghul/aiodns.png?branch=master

aiodns provides a simple way for doing asynchronous DNS resolutions with a synchronous looking interface by using pycares.

Example

import asyncio
import aiodns

loop = asyncio.get_event_loop()
resolver = aiodns.DNSResolver(loop=loop)
f = resolver.query('google.com','A')
result = loop.run_until_complete(f)
print(result)

The following query types are supported: A, AAAA, CNAME, MX, NAPTR, NS, PTR, SOA, SRV, TXT.

API

The API is pretty simple, two 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.

  • 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 test_aiodns.py

Author

Saúl Ibarra Corretgé <saghul@gmail.com>

License

aiodns uses the MIT license, check LICENSE file.

Python versions

Python 3.4 is natively supported. Python 3.3 supported using the asyncio package. Older Python versions(2.6 - 3.2) are supported using trollius.

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 :-)

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