Add httpx session in http.py

[neochine]

Copied most of code from async_http.py and managed to pass ruff & mypy llinter. Tests are failing in my computer for some reason, I assume its docker related?

ERROR tests/integration/test_websockets.py::test_vote_subscribe - Exception: Command docker compose -f "/root/My-Computer/My-Working/Github/solana-py/solana-py/tests/docker-compose.yml" -p "pytest21826" up --build -d returned 125: """unknown shorthand fla...

Fixes #474

[neochine]

Lots of test are failing due to httpx timeout. Unsure whats the fix apart from increasing httpx default timeout

[neochine]

@michaelhly Could workflow tests be approved again so I know the test were failing due to timeout rather than some logic error from this PR

[michaelhly]

@neochine it looks like you just need to change this these tests from httpx.ReadTimeout to httpx.ConnectError:

solana-py/tests/unit/test_client.py

Line 25 in 07acdac

assert exc_info.value.error_msg == "<class 'httpx.ReadTimeout'> raised in \"GetEpochInfo\" endpoint request"

solana-py/tests/unit/test_async_client.py

Line 25 in 07acdac

assert exc_info.value.error_msg == "<class 'httpx.ReadTimeout'> raised in \"GetEpochInfo\" endpoint request"

[neochine]

Alright, changed

[neochine]

Looks like async test raises ReadTimeout (not ConnectError). Only sync test raises ConnectError

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.01%. Comparing base (07acdac) to head (b751870).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #475      +/-   ##
==========================================
+ Coverage   91.00%   91.01%   +0.01%     
==========================================
  Files          28       28              
  Lines        2380     2383       +3     
==========================================
+ Hits         2166     2169       +3     
  Misses        214      214              

[michaelhly]

LGTM! Thank you!