Function getModuleVariableReferenceCode

nuitka/code_generation/VariableCodes.py:98–153

(
    to_name, variable_name, use_caching, needs_check, conversion_check, emit, context
)

def getModuleVariableReferenceCode(
    to_name, variable_name, use_caching, needs_check, conversion_check, emit, context
):
    owner = context.getOwner()

    context.setModuleVariableAccessorCaching(variable_name, use_caching)

    with withObjectCodeTemporaryAssignment2(
        to_name, "mvar_value", conversion_check, emit, context
    ) as value_name:
        emit(
            "%(value_name)s = %(module_variable_accessor)s(tstate);"
            % {
                "value_name": value_name,
                "module_variable_accessor": getModuleVariableAccessorCodeName(
                    context.getModuleCodeName(), variable_name
                ),
            }
        )

        if needs_check:
            if (
                python_version < 0x300
                and not owner.isCompiledPythonModule()
                and not owner.isExpressionClassBodyBase()
            ):
                error_helper_name = "RAISE_CURRENT_EXCEPTION_GLOBAL_NAME_ERROR"
            else:
                error_helper_name = "RAISE_CURRENT_EXCEPTION_NAME_ERROR"

            (
                exception_state_name,
                _exception_lineno,
            ) = context.variable_storage.getExceptionVariableDescriptions()

            emit(
                """\
if (unlikely(%(value_name)s == NULL)) {
    %(error_helper_name)s(tstate, &%(exception_state_name)s, %(var_name)s);
}
"""
                % {
                    "value_name": value_name,
                    "error_helper_name": error_helper_name,
                    "var_name": context.getConstantCode(constant=variable_name),
                    "exception_state_name": exception_state_name,
                }
            )

        getErrorExitCode(
            check_name=value_name,
            emit=emit,
            context=context,
            fetched_exception=True,
            needs_check=needs_check,
        )