Solve some lexical error with underscore

Better information for install pip if ssl is disabled.

Use dictionary length for capacity.

Whitelist special-enough types to have PyRef aliases

__future__.annotations

Cleanup lists of tests in ci.yaml

Relocate `vm.get_attribute` to `obj.get_attr`

__del__ failure is a cold function

Ignore AttributeError for missing `__prepare__`.

Add `rustpython-stdlib` to NON_WASM_PACKAGES

Co-authored-by: Jeong YunWon <[email protected]>

Object protocol

update doc for IOErrorBuilder

Allow non-types as metaclass argument.

posix: add os.SCHED_* for macos

Modify range in pytype.rs

For readability, replace exclusive range with inclusive range.

Allow any mapping for locals.

* list count bench
* Refactor list count avoid duplicate the vec
* optimize list count with HE...

Fix intra doc links

Check if subscript is present for PyMapping::check.

Fix __hash__ not to perform unnecessary downcast

CI runs platform-independent and platform-dependent tests separately

Guarantee recursion_depth is never higher than recursion_limit

as_mapping never fails

Fix misspelled variable

Run tests with RUST_BACKTRACE envvar

msvcrt uses #[pymodule]

replace py_module! from errno and sysconfigdata

`winreg` uses `#[pymodule]`

clean up Callable and mark inline for slot methods