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bpo-39999: Improve compatibility of the ast module. (GH-19056)

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* Re-add removed classes Suite, slice, Param, AugLoad and AugStore.
* Add docstrings for dummy classes.
* Add docstrings for attribute aliases.
* Set __module__ to "ast" instead of "_ast".
This commit is contained in:
Serhiy Storchaka 2020-03-22 20:33:34 +02:00 • committed by GitHub
parent 044cf94f61
commit bace59d8b8
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 49 additions and 22 deletions
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12
Python/Python-ast.c generated
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@ -134,7 +134,6 @@ typedef struct {
PyObject *__dict__;
PyObject *__doc__;
PyObject *__module__;
PyObject *_ast;
PyObject *_attributes;
PyObject *_fields;
PyObject *alias_type;
@ -145,6 +144,7 @@ typedef struct {
PyObject *argtypes;
PyObject *arguments_type;
PyObject *asname;
PyObject *ast;
PyObject *attr;
PyObject *bases;
PyObject *body;
@ -354,7 +354,6 @@ static int astmodule_clear(PyObject *module)
Py_CLEAR(astmodulestate(module)->__dict__);
Py_CLEAR(astmodulestate(module)->__doc__);
Py_CLEAR(astmodulestate(module)->__module__);
Py_CLEAR(astmodulestate(module)->_ast);
Py_CLEAR(astmodulestate(module)->_attributes);
Py_CLEAR(astmodulestate(module)->_fields);
Py_CLEAR(astmodulestate(module)->alias_type);
@ -365,6 +364,7 @@ static int astmodule_clear(PyObject *module)
Py_CLEAR(astmodulestate(module)->argtypes);
Py_CLEAR(astmodulestate(module)->arguments_type);
Py_CLEAR(astmodulestate(module)->asname);
Py_CLEAR(astmodulestate(module)->ast);
Py_CLEAR(astmodulestate(module)->attr);
Py_CLEAR(astmodulestate(module)->bases);
Py_CLEAR(astmodulestate(module)->body);
@ -573,7 +573,6 @@ static int astmodule_traverse(PyObject *module, visitproc visit, void* arg)
Py_VISIT(astmodulestate(module)->__dict__);
Py_VISIT(astmodulestate(module)->__doc__);
Py_VISIT(astmodulestate(module)->__module__);
Py_VISIT(astmodulestate(module)->_ast);
Py_VISIT(astmodulestate(module)->_attributes);
Py_VISIT(astmodulestate(module)->_fields);
Py_VISIT(astmodulestate(module)->alias_type);
@ -584,6 +583,7 @@ static int astmodule_traverse(PyObject *module, visitproc visit, void* arg)
Py_VISIT(astmodulestate(module)->argtypes);
Py_VISIT(astmodulestate(module)->arguments_type);
Py_VISIT(astmodulestate(module)->asname);
Py_VISIT(astmodulestate(module)->ast);
Py_VISIT(astmodulestate(module)->attr);
Py_VISIT(astmodulestate(module)->bases);
Py_VISIT(astmodulestate(module)->body);
@ -688,7 +688,6 @@ static int init_identifiers(void)
if ((state->__dict__ = PyUnicode_InternFromString("__dict__")) == NULL) return 0;
if ((state->__doc__ = PyUnicode_InternFromString("__doc__")) == NULL) return 0;
if ((state->__module__ = PyUnicode_InternFromString("__module__")) == NULL) return 0;
if ((state->_ast = PyUnicode_InternFromString("_ast")) == NULL) return 0;
if ((state->_attributes = PyUnicode_InternFromString("_attributes")) == NULL) return 0;
if ((state->_fields = PyUnicode_InternFromString("_fields")) == NULL) return 0;
if ((state->annotation = PyUnicode_InternFromString("annotation")) == NULL) return 0;
@ -696,6 +695,7 @@ static int init_identifiers(void)
if ((state->args = PyUnicode_InternFromString("args")) == NULL) return 0;
if ((state->argtypes = PyUnicode_InternFromString("argtypes")) == NULL) return 0;
if ((state->asname = PyUnicode_InternFromString("asname")) == NULL) return 0;
if ((state->ast = PyUnicode_InternFromString("ast")) == NULL) return 0;
if ((state->attr = PyUnicode_InternFromString("attr")) == NULL) return 0;
if ((state->bases = PyUnicode_InternFromString("bases")) == NULL) return 0;
if ((state->body = PyUnicode_InternFromString("body")) == NULL) return 0;
@ -1209,7 +1209,7 @@ static PyType_Slot AST_type_slots[] = {
};
static PyType_Spec AST_type_spec = {
"_ast.AST",
"ast.AST",
sizeof(AST_object),
0,
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC,
@ -1235,7 +1235,7 @@ make_type(const char *type, PyObject* base, const char* const* fields, int num_f
type, base,
astmodulestate_global->_fields, fnames,
astmodulestate_global->__module__,
astmodulestate_global->_ast,
astmodulestate_global->ast,
astmodulestate_global->__doc__, doc);
Py_DECREF(fnames);
return result;