httpx changelog

Changelog History

Page 2

• v0.18.0 Changes

  April 27, 2021

  🚀 The 0.18.x release series formalises our low-level Transport API, introducing the base classes httpx.BaseTransport and httpx.AsyncBaseTransport.

  See the "Writing custom transports" documentation and the httpx.BaseTransport.handle_request() docstring for more complete details on implementing custom transports.

  Pull request #1522 includes a checklist of differences from the previous httpcore transport API, for developers implementing custom transports.

  🗄 The following API changes have been issuing deprecation warnings since 0.17.0 onwards, and are now fully deprecated...

  • You should now use httpx.codes consistently instead of httpx.StatusCodes.
  • 👉 Use limits=... instead of pool_limits=....
  • 👉 Use proxies={"http://": ...} instead of proxies={"http": ...} for scheme-specific mounting.

  🔄 Changed

  • Transport instances now inherit from httpx.BaseTransport or httpx.AsyncBaseTransport, and should implement either the handle_request method or handle_async_request method. (Pull #1522, #1550)
  • The response.ext property and Response(ext=...) argument are now named extensions. (Pull #1522)
  • 🗄 The recommendation to not use data=<bytes|str|bytes (a)iterator> in favour of content=<bytes|str|bytes (a)iterator> has now been escalated to a deprecation warning. (Pull #1573)
  • ⬇️ Drop Response(on_close=...) from API, since it was a bit of leaking implementation detail. (Pull #1572)
  • When using a client instance, cookies should always be set on the client, rather than on a per-request basis. We prefer enforcing a stricter API here because it provides clearer expectations around cookie persistence, particularly when redirects occur. (Pull #1574)
  • 👻 The runtime exception httpx.ResponseClosed is now named httpx.StreamClosed. (#1584)
  • ⚡️ The httpx.QueryParams model now presents an immutable interface. There is a discussion on the design and motivation here. Use client.params = client.params.merge(...) instead of client.params.update(...). The basic query manipulation methods are query.set(...), query.add(...), and query.remove(). (#1600)

  ➕ Added

  • The Request and Response classes can now be serialized using pickle. (#1579)
  • 🖐 Handle data={"key": [None|int|float|bool]} cases. (Pull #1539)
  • 👌 Support httpx.URL(**kwargs), for example httpx.URL(scheme="https", host="www.example.com", path="/'), or httpx.URL("https://www.example.com/", username="[email protected]", password="123 456"). (Pull #1601)
  • 👌 Support url.copy_with(params=...). (Pull #1601)
  • ➕ Add url.params parameter, returning an immutable QueryParams instance. (Pull #1601)
  • Support query manipulation methods on the URL class. These are url.copy_set_param(), url.copy_add_param(), url.copy_remove_param(), url.copy_merge_params(). (Pull #1601)
  • The httpx.URL class now performs port normalization, so :80 ports are stripped from http URLs and :443 ports are stripped from https URLs. (Pull #1603)
  • The URL.host property returns unicode strings for internationalized domain names. The URL.raw_host property returns byte strings with IDNA escaping applied. (Pull #1590)

  🛠 Fixed

  • 🛠 Fix Content-Length for cases of files=... where unicode string is used as the file content. (Pull #1537)
  • 🛠 Fix some cases of merging relative URLs against Client(base_url=...). (Pull #1532)
  • The request.content attribute is now always available except for streaming content, which requires an explicit .read(). (Pull #1583)

• v0.17.1 Changes

  March 15, 2021

  🛠 Fixed

  • Type annotation on CertTypes allows keyfile and password to be optional. (Pull #1503)
  • 🛠 Fix httpcore pinned version. (Pull #1495)

• v0.17.0 Changes

  February 28, 2021

  ➕ Added

  • ➕ Add httpx.MockTransport(), allowing to mock out a transport using pre-determined responses. (Pull #1401, Pull #1449)
  • ➕ Add httpx.HTTPTransport() and httpx.AsyncHTTPTransport() default transports. (Pull #1399)
  • ➕ Add mount API support, using httpx.Client(mounts=...). (Pull #1362)
  • Add chunk_size parameter to iter_raw(), iter_bytes(), iter_text(). (Pull #1277)
  • ➕ Add keepalive_expiry parameter to httpx.Limits() configuration. (Pull #1398)
  • ➕ Add repr to httpx.Cookies to display available cookies. (Pull #1411)
  • ➕ Add support for params=<tuple> (previously only params=<list> was supported). (Pull #1426)

  🛠 Fixed

  • ➕ Add missing raw_path to ASGI scope. (Pull #1357)
  • Tweak create_ssl_context defaults to use trust_env=True. (Pull #1447)
  • Properly URL-escape WSGI PATH_INFO. (Pull #1391)
  • 0️⃣ Properly set default ports in WSGI transport. (Pull #1469)
  • Properly encode slashes when using base_url. (Pull #1407)
  • Properly map exceptions in request.aclose(). (Pull #1465)

• v0.16.1 Changes

  October 08, 2020

  0.16.1 (October 8th, 2020)

  🛠 Fixed

  • 👌 Support literal IPv6 addresses in URLs. (Pull #1349)
  • 👮 Force lowercase headers in ASGI scope dictionaries. (Pull #1351)

• v0.16.0 Changes

  October 06, 2020

  0.16.0 (October 6th, 2020)

  🔄 Changed

  • Preserve HTTP header casing. (Pull #1338, encode/httpcore#216, python-hyper/h11#104)
  • ⬇️ Drop response.next() and response.anext() methods in favour of response.next_request attribute. (Pull #1339)
  • Closed clients now raise a runtime error if attempting to send a request. (Pull #1346)

  ➕ Added

  • ➕ Add Python 3.9 to officially supported versions.
  • Type annotate __enter__/__exit__/__aenter__/__aexit__ in a way that supports subclasses of Client and AsyncClient. (Pull #1336)

• v0.15.5 Changes

  October 01, 2020

  0.15.5 (October 1st, 2020)

  ➕ Added

  • ➕ Add response.next_request (Pull ##1334)

• v0.15.4 Changes

  September 25, 2020

  0.15.4 (September 25th, 2020)

  ➕ Added

  • 👌 Support direct comparisons between Headers and dicts or lists of two-tuples. Eg. assert response.headers == {"Content-Length": 24} (Pull #1326)

  🛠 Fixed

  • 🛠 Fix automatic .read() when Response instances are created with content=<str> (Pull #1324)

• v0.15.3 Changes

  September 24, 2020

  0.15.3 (September 24th, 2020)

  🛠 Fixed

  • 🛠 Fixed connection leak in async client due to improper closing of response streams. (Pull #1316)

• v0.15.2 Changes

  September 23, 2020

  0.15.2 (September 23nd, 2020)

  🛠 Fixed

  • 🛠 Fixed response.elapsed property. (Pull #1313)
  • 🛠 Fixed client authentication interaction with .stream(). (Pull #1312)

• v0.15.1 Changes

  September 23, 2020

  0.15.1 (September 23nd, 2020)

  🛠 Fixed

  • ASGITransport now properly applies URL decoding to the path component, as-per the ASGI spec. (Pull #1307)

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