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.. _aiohttp_transport:
AIOHTTPTransport
================
This transport uses the `aiohttp`_ library and allows you to send GraphQL queries using the HTTP protocol.
Reference: :class:`gql.transport.aiohttp.AIOHTTPTransport`
.. note::
GraphQL subscriptions are not supported on the HTTP transport.
For subscriptions you should use a websockets transport:
:ref:`WebsocketsTransport <websockets_transport>` or
:ref:`AIOHTTPWebsocketsTransport <aiohttp_websockets_transport>`.
.. literalinclude:: ../code_examples/aiohttp_async.py
Authentication
--------------
There are multiple ways to authenticate depending on the server configuration.
1. Using HTTP Headers
.. code-block:: python
transport = AIOHTTPTransport(
url='https://SERVER_URL:SERVER_PORT/graphql',
headers={'Authorization': 'token'}
)
2. Using HTTP Cookies
You can manually set the cookies which will be sent with each connection:
.. code-block:: python
transport = AIOHTTPTransport(url=url, cookies={"cookie1": "val1"})
Or you can use a cookie jar to save cookies set from the backend and reuse them later.
In some cases, the server will set some connection cookies after a successful login mutation
and you can save these cookies in a cookie jar to reuse them in a following connection
(See `issue 197`_):
.. code-block:: python
jar = aiohttp.CookieJar()
transport = AIOHTTPTransport(url=url, client_session_args={'cookie_jar': jar})
.. _aiohttp: https://docs.aiohttp.org
.. _issue 197: https://github.com/graphql-python/gql/issues/197
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