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Metadata-Version: 2.1
Name: aiodns
Version: 3.0.0
Summary: Simple DNS resolver for asyncio
Home-page: https://github.com/saghul/aiodns
Author: Saúl Ibarra Corretgé
Author-email: s@saghul.net
License: MIT
Description: ===============================
Simple DNS resolver for asyncio
===============================
.. image:: https://badge.fury.io/py/aiodns.png
:target: https://pypi.org/project/aiodns/
.. image:: https://github.com/saghul/aiodns/workflows/CI/badge.svg
:target: https://github.com/saghul/aiodns/actions
aiodns provides a simple way for doing asynchronous DNS resolutions using `pycares <https://github.com/saghul/pycares>`_.
Example
=======
.. code:: python
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, CAA, 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 >= 3.6 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 :: 3.6
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Description-Content-Type: text/x-rst
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