Improvements to test.support.interpreters.Interpreter

[ericsnowcurrently]

Interpreter.call() should be able to support arbitrary callables, full args, and return values.

Linked PRs

• gh-132775: Cleanup Related to crossinterp.c Before Further Changes #132974
• gh-132775: Add _PyImport_GetModulesRef() to the Internal C-API #132977
• gh-132775: Drop PyUnstable_InterpreterState_GetMainModule() #132978
• gh-132775: Add _PyModule_GetFilenameObject() and _PyModule_GetFilenameUTF8() #132979
• gh-132775: Add _PyCode_ReturnsOnlyNone() #132981
• gh-132775: Add _PyBytes_GetXIData() #133101
• gh-132775: Add _PyPickle_GetXIData() #133107
• gh-132775: Add _PyMarshal_GetXIData() #133108
• gh-132775: Add _PyCode_GetVarCounts() #133128
• gh-132775: Add _PyCode_VerifyStateless() #133221
• gh-132775: Unrevert "Add _PyCode_GetVarCounts()" #133265
• gh-132775: Do Not Set __name__ to __main__ With _PyPickle_GetXIData() #133472
• gh-132775: Use _PyFunction_VerifyStateless() and _PyCode_VerifyStateless() #133474
• gh-132775: Add _PyCode_GetXIData() #133475
• gh-132775: Add _PyCode_GetScriptXIData() #133480
• gh-132775: Add _PyFunction_GetXIData() #133481
• gh-132775: Add _PyObject_GetXIDataWithFallback() #133482
• gh-132775: Use New Cross-Interpreter Internal C-API Functions #133483
• gh-132775: Expand the Capability of Interpreter.call() #133484
• gh-132775: Revert "gh-132775: Add _PyCode_VerifyStateless() (gh-133221)" #133497
• gh-132775: Unrevert "Add _PyCode_VerifyStateless()" #133528
• [3.14] gh-132775: Unrevert "Add _PyCode_VerifyStateless()" #133625
• [3.14] gh-132775: Add _PyCode_GetScriptXIData() (gh-133480) #133676
• [3.14] gh-132775: Add _PyFunction_GetXIData() (gh-133481) #133955
• [3.14] gh-132775: Support Fallbacks in _PyObject_GetXIData() (gh-133482) #134418
• gh-132775: Use _PyFunction_VerifyStateless() and _PyCode_VerifyStateless() #134439
• gh-132775: Use _PyObject_GetXIData (With Fallback) #134440
• gh-132775: Use _PyCode GetScriptXIData() #134441
• gh-132775: Make _PyXI_session Opaque #134452
• [3.14] gh-132775: Use _PyFunction_VerifyStateless() and _PyCode_VerifyStateless() (gh-134439) #134465
• [3.14] gh-132775: Use _PyObject_GetXIData (With Fallback) (gh-134440) #134507
• gh-132775: Use _PyCode GetScriptXIData() #134511
• [3.14] gh-132775: Use _PyCode GetScriptXIData() (gh-134511) #134515
• [3.14] gh-132775: Make _PyXI_session Opaque (gh-134452) #134522
• gh-132775: Fix Recently Introduced Warnings #134530
• [3.14] gh-132775: Fix Recently Introduced Warnings (gh-134530) #134532
• gh-134557: Revert "gh-132775: Use _PyCode GetScriptXIData()" #134599
• gh-132775: Unrevert "Use _PyCode GetScriptXIData()" #134735
• [3.14] gh-132775: Unrevert "Use _PyCode GetScriptXIData()" #134736
• gh-132775: Always Set __builtins__ In _PyFunction_FromXIData() #134758
• [3.14] gh-132775: Always Set __builtins__ In _PyFunction_FromXIData() (gh-134758) #134794
• gh-132775: Fix _PyFunctIon_VerifyStateless() #134900
• [3.14] gh-132775: Fix _PyFunctIon_VerifyStateless() (GH-134900) #134901
• [3.14] gh-132775: Expand the Capability of Interpreter.call() (gh-133484) #134933
• gh-132775: Clean Up Cross-Interpreter Error Handling #135369
• [3.14] gh-132775: Clean Up Cross-Interpreter Error Handling (gh-135369) #135492
• gh-132775: Fix Interpreter.call() __main__ Visibility #135595
• [3.14] gh-132775: Fix Interpreter.call() __main__ Visibility (gh-135595) #135638
• GH-132775: Fix argument parsing for _interpqueues.put() #137686
• [3.14] GH-132775: Fix argument parsing for _interpqueues.put() (GH-137686) #138034