Align psuedo ops to CPython 3.14.2 by youknowone · Pull Request #6846 · RustPython/RustPython

youknowone

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🌐 Web query:

CPython _opcode module get_special_method_names function

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In CPython, _opcode.get_special_method_names() is a CPython-internal helper that returns a Python list of the interpreter’s “special method” (dunder) names.

Implementation (CPython 3.14): it allocates a list of length SPECIAL_MAX + 1 and fills it with _Py_SpecialMethods[i].name for i = 0..SPECIAL_MAX. The returned list index corresponds to CPython’s internal “special method” id. [1]

API docstring in the generated clinic header: “Return a list of special method names.” [2]

Use:

import _opcode
names = _opcode.get_special_method_names()

Sources: [1] [2]

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Incomplete implementation: Returns only context manager special methods, not all special methods.

The function syntactically follows the established pattern (array → .into_iter().map().collect()), but does not match CPython's get_special_method_names(). CPython's implementation returns a comprehensive list of all special method names (indexed from an internal _Py_SpecialMethods array), while this implementation returns only the four context manager methods: __enter__, __exit__, __aenter__, __aexit__. This implementation is incomplete relative to CPython and may cause compatibility issues if callers expect the full set of special method names.