encode/httpx

A next generation HTTP client for Python.


repo name	encode/httpx
repo link	https://github.com/encode/httpx
homepage	https://www.python-httpx.org/
language	Python
size (curr.)	2552 kB
stars (curr.)	4045
created	2019-04-04
license	BSD 3-Clause “New” or “Revised” License

HTTPX is a fully featured HTTP client for Python 3, which provides sync and async APIs, and support for both HTTP/1.1 and HTTP/2.

Note: HTTPX should be considered in beta. We believe we’ve got the public API to a stable point now, but would strongly recommend pinning your dependencies to the 0.12.* release, so that you’re able to properly review API changes between package updates. A 1.0 release is expected to be issued sometime on or before April 2020.

Let’s get started…

>>> import httpx
>>> r = httpx.get('https://www.example.org/')
>>> r
<Response [200 OK]>
>>> r.status_code
200
>>> r.headers['content-type']
'text/html; charset=UTF-8'
>>> r.text
'<!doctype html>\n<html>\n<head>\n<title>Example Domain</title>...'

Or, using the async API…

Use IPython or Python 3.8+ with python -m asyncio to try this code interactively.

>>> import httpx
>>> async with httpx.AsyncClient() as client:
>>>     r = await client.get('https://www.example.org/')
>>> r
<Response [200 OK]>

Features

HTTPX builds on the well-established usability of requests, and gives you:

A broadly requests-compatible API.
Standard synchronous interface, but with async support if you need it.
HTTP/1.1 and HTTP/2 support.
Ability to make requests directly to WSGI applications or ASGI applications.
Strict timeouts everywhere.
Fully type annotated.
99% test coverage.

Plus all the standard features of requests…

International Domains and URLs
Keep-Alive & Connection Pooling
Sessions with Cookie Persistence
Browser-style SSL Verification
Basic/Digest Authentication
Elegant Key/Value Cookies
Automatic Decompression
Automatic Content Decoding
Unicode Response Bodies
Multipart File Uploads
HTTP(S) Proxy Support
Connection Timeouts
Streaming Downloads
.netrc Support
Chunked Requests

Installation

Install with pip:

$ pip install httpx

httpx requires Python 3.6+

Documentation

Project documentation is available at https://www.python-httpx.org/.

For a run-through of all the basics, head over to the QuickStart.

For more advanced topics, see the Advanced Usage section, the async support section, or the HTTP/2 section.

The Developer Interface provides a comprehensive API reference.

Contribute

If you want to contribute with HTTPX check out the Contributing Guide to learn how to start.

Dependencies

The httpx project relies on these excellent libraries:

urllib3 - Sync client support.
h11 - HTTP/1.1 support.
h2 - HTTP/2 support.
certifi - SSL certificates.
chardet - Fallback auto-detection for response encoding.
hstspreload - determines whether IDNA-encoded host should be only accessed via HTTPS.
idna - Internationalized domain name support.
rfc3986 - URL parsing & normalization.
sniffio - Async library autodetection.
brotlipy - Decoding for “brotli” compressed responses. (Optional)

A huge amount of credit is due to requests for the API layout that much of this work follows, as well as to urllib3 for plenty of design inspiration around the lower-level networking details.