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bpo-28411: Isolate PyInterpreterState.modules (#3575)

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A bunch of code currently uses PyInterpreterState.modules directly instead of PyImport_GetModuleDict(). This complicates efforts to make changes relative to sys.modules. This patch switches to using PyImport_GetModuleDict() uniformly. Also, a number of related uses of sys.modules are updated for uniformity for the same reason.

Note that this code was already reviewed and merged as part of #1638. I reverted that and am now splitting it up into more focused parts.
This commit is contained in:
Eric Snow 2017-09-14 12:18:12 -06:00 • committed by GitHub
parent 8dcf22f442
commit d393c1b227
10 changed files with 116 additions and 55 deletions
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7
Python/sysmodule.c
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@ -162,8 +162,9 @@ static PyObject *
sys_displayhook(PyObject *self, PyObject *o)
{
PyObject *outf;
PyInterpreterState *interp = PyThreadState_GET()->interp;
PyObject *modules = interp->modules;
PyObject *modules = PyImport_GetModuleDict();
if (modules == NULL)
return NULL;
PyObject *builtins;
static PyObject *newline = NULL;
int err;
@ -1949,7 +1950,7 @@ _PySys_BeginInit(void)
PyObject *m, *sysdict, *version_info;
int res;
m = PyModule_Create(&sysmodule);
m = _PyModule_CreateInitialized(&sysmodule, PYTHON_API_VERSION);
if (m == NULL)
return NULL;
sysdict = PyModule_GetDict(m);