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bpo-28411: Support other mappings in PyInterpreterState.modules. (#3593)

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The concrete PyDict_* API is used to interact with PyInterpreterState.modules in a number of places. This isn't compatible with all dict subclasses, nor with other Mapping implementations. This patch switches the concrete API usage to the corresponding abstract API calls.

We also add a PyImport_GetModule() function (and some other helpers) to reduce a bunch of code duplication.
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Eric Snow 2017-09-15 16:35:20 -06:00 • committed by GitHub
parent e82c034496
commit 3f9eee6eb4
11 changed files with 216 additions and 113 deletions
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7
Doc/c-api/import.rst
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@ -204,6 +204,13 @@ Importing Modules
Return the dictionary used for the module administration (a.k.a.
``sys.modules``). Note that this is a per-interpreter variable.
.. c:function:: PyObject* PyImport_GetModule(PyObject *name)
Return the already imported module with the given name. If the
module has not been imported yet then returns NULL but does not set
an error. Returns NULL and sets an error if the lookup failed.
.. versionadded:: 3.7
.. c:function:: PyObject* PyImport_GetImporter(PyObject *path)