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[3.8] bpo-40279: Add some error-handling to the module initialisation docs example (GH-19705) #19710

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Merged
merged 1 commit into from
Apr 25, 2020
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[3.8] bpo-40279: Add some error-handling to the module initialisation docs example (GH-19705) #19710

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14 changes: 11 additions & 3 deletions Doc/extending/extending.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -395,18 +395,26 @@ optionally followed by an import of the module::
}

/* Add a built-in module, before Py_Initialize */
PyImport_AppendInittab("spam", PyInit_spam);
if (PyImport_AppendInittab("spam", PyInit_spam) == -1) {
fprintf(stderr, "Error: could not extend in-built modules table\n");
exit(1);
}

/* Pass argv[0] to the Python interpreter */
Py_SetProgramName(program);

/* Initialize the Python interpreter. Required. */
/* Initialize the Python interpreter. Required.
If this step fails, it will be a fatal error. */
Py_Initialize();

/* Optionally import the module; alternatively,
import can be deferred until the embedded script
imports it. */
PyImport_ImportModule("spam");
pmodule = PyImport_ImportModule("spam");
if (!pmodule) {
PyErr_Print();
fprintf(stderr, "Error: could not import module 'spam'\n");
}

...

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