Add httpx client

[steinitzu]

No description provided.

[Copilot]

Pull Request Overview

This PR introduces an HTTPX-based client backend for Spoffy, adds factory helpers and tests, and updates CI/dependencies to support the new implementation and newer Python versions.

• Added AsyncHttpXClient and make_spotify factory to spoffy/io/httpx.py
• Extended Request in spoffy/sansio.py with a class‐level body attribute and adjusted initialization
• Created new async tests for the HTTPX client and updated CI matrix and dependencies

Reviewed Changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
tests/io/test_httpx.py	New async tests for HTTPX client and token logic
spoffy/sansio.py	Added body attribute and refactored Request.__init__
spoffy/io/httpx.py	Implementation of AsyncHttpXClient and factory
pyproject.toml	Bumped dev deps: snapshottest, flake8, aiohttp, httpx
.github/workflows/ci.yml	Upgraded Python versions and GitHub Action versions

Comments suppressed due to low confidence (2)

tests/io/test_httpx.py:18

• [nitpick] The test function name uses a double underscore (test__get_artist), which is inconsistent with common test naming conventions. Consider renaming it to test_get_artist.

async def test__get_artist(spotify_cc):

spoffy/sansio.py:23

• The default assignment of self.body was removed in __init__. For non-mapping and non-bytes inputs, self.body remains None instead of the provided value. Consider reintroducing self.body = body before the type checks.

    body: Optional[bytes] = None

[Copilot]

Using split("----")[1] assumes the delimiter exists; if it's missing, this will raise an IndexError. Consider using partition("----") or checking the split result length before indexing.

Suggested change

	AsyncHttpXClient.__doc__ += ClientCommon.__doc__.split("----")[1] # type: ignore
	make_spotify.__doc__ += ClientCommon.__doc__.split("----")[1] # type: ignore
	_, delimiter, after_delimiter = ClientCommon.__doc__.partition("----")
	if after_delimiter:
	AsyncHttpXClient.__doc__ += after_delimiter # type: ignore
	_, delimiter, after_delimiter = ClientCommon.__doc__.partition("----")
	if after_delimiter:
	make_spotify.__doc__ += after_delimiter # type: ignore