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bpo-28411: Isolate PyInterpreterState.modules #3575

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Merged
ericsnowcurrently merged 18 commits into from
Sep 14, 2017
Merged

bpo-28411: Isolate PyInterpreterState.modules #3575

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2ff5d7c
Add _PyImport_GetModuleDict().
ericsnowcurrently Oct 7, 2016
79a8461
Import the sys module before any other imports.
ericsnowcurrently Oct 10, 2016
6f96d3a
Pass the modules dict to _PyImport_FindBuiltin().
ericsnowcurrently Oct 10, 2016
ad8c082
Replace usage of interp->modules with PyImport_GetModuleDict().
ericsnowcurrently Oct 7, 2016
12f55d3
Add _PyImport_EnsureInitialized().
ericsnowcurrently Oct 10, 2016
eb2d6f9
Add _PyModule_Create2().
ericsnowcurrently Oct 10, 2016
6a04c1c
Use _PyModule_Create2() for key builtin modules.
ericsnowcurrently Oct 10, 2016
26bdb7e
Check sys.modules in _PyImport_EnsureInitialized().
ericsnowcurrently Oct 10, 2016
eac7403
Pass the modules dict to _PyImport_FixupBuiltin().
ericsnowcurrently Oct 10, 2016
1166c57
Pass PyInterpreterState to _PyImport_GetModuleDict().
ericsnowcurrently Oct 11, 2016
da3ce95
Drop _PyImport_GetModuleDict().
ericsnowcurrently Oct 11, 2016
ef17b81
_PyModule_Create2 -> _PyModule_CreateInitialized
ericsnowcurrently May 17, 2017
a17d5ff
_PyImport_EnsureInitialized() -> _PyImport_IsInitialized()
ericsnowcurrently May 18, 2017
acc270b
Add a Misc/NEWS entry.
ericsnowcurrently Sep 4, 2017
bc6a0f1
Fix style (bracket placement).
ericsnowcurrently Sep 4, 2017
c7a2524
Drop _PyImport_FixupExtensionObjectEx().
ericsnowcurrently Sep 4, 2017
aceaacd
Fix the NEWS entry.
ericsnowcurrently Sep 14, 2017
5b87111
Drop commented-out code.
ericsnowcurrently Sep 14, 2017
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Drop _PyImport_FixupExtensionObjectEx().
  • Loading branch information
@ericsnowcurrently
ericsnowcurrently committed Sep 14, 2017
commit c7a25242925afc5e6d9808463766cd8dfda22601
5 changes: 2 additions & 3 deletions Include/import.h
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Expand Up @@ -109,9 +109,8 @@ PyAPI_FUNC(int) _PyImport_FixupBuiltin(
const char *name, /* UTF-8 encoded string */
PyObject *modules
);
PyAPI_FUNC(int) _PyImport_FixupExtensionObject(PyObject*, PyObject *, PyObject *);
PyAPI_FUNC(int) _PyImport_FixupExtensionObjectEx(PyObject*, PyObject *,
PyObject *, PyObject *);
PyAPI_FUNC(int) _PyImport_FixupExtensionObject(PyObject*, PyObject *,
PyObject *, PyObject *);

struct _inittab {
const char *name; /* ASCII encoded string */
Expand Down
17 changes: 7 additions & 10 deletions Python/import.c
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Expand Up @@ -544,14 +544,6 @@ PyImport_GetMagicTag(void)

int
_PyImport_FixupExtensionObject(PyObject *mod, PyObject *name,
PyObject *filename)
{
PyObject *modules = PyImport_GetModuleDict();
return _PyImport_FixupExtensionObjectEx(mod, name, filename, modules);
}

int
_PyImport_FixupExtensionObjectEx(PyObject *mod, PyObject *name,
PyObject *filename, PyObject *modules)
{
PyObject *dict, *key;
Expand Down Expand Up @@ -609,7 +601,7 @@ _PyImport_FixupBuiltin(PyObject *mod, const char *name, PyObject *modules)
nameobj = PyUnicode_InternFromString(name);
if (nameobj == NULL)
return -1;
res = _PyImport_FixupExtensionObjectEx(mod, nameobj, nameobj, modules);
res = _PyImport_FixupExtensionObject(mod, nameobj, nameobj, modules);
Py_DECREF(nameobj);
return res;
}
Expand Down Expand Up @@ -1096,6 +1088,7 @@ _imp_create_builtin(PyObject *module, PyObject *spec)
return NULL;
}

PyObject *modules = NULL;
for (p = PyImport_Inittab; p->name != NULL; p++) {
PyModuleDef *def;
if (_PyUnicode_EqualToASCIIString(name, p->name)) {
Expand All @@ -1121,7 +1114,11 @@ _imp_create_builtin(PyObject *module, PyObject *spec)
return NULL;
}
def->m_base.m_init = p->initfunc;
if (_PyImport_FixupExtensionObject(mod, name, name) < 0) {
if (modules == NULL) {
modules = PyImport_GetModuleDict();
}
if (_PyImport_FixupExtensionObject(mod, name, name,
modules) < 0) {
Py_DECREF(name);
return NULL;
}
Expand Down
3 changes: 2 additions & 1 deletion Python/importdl.c
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Expand Up @@ -215,7 +215,8 @@ _PyImport_LoadDynamicModuleWithSpec(PyObject *spec, FILE *fp)
else
Py_INCREF(path);

if (_PyImport_FixupExtensionObject(m, name_unicode, path) < 0)
PyObject *modules = PyImport_GetModuleDict();
if (_PyImport_FixupExtensionObject(m, name_unicode, path, modules) < 0)
goto error;

Py_DECREF(name_unicode);
Expand Down