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bpo-36444: Remove _PyMainInterpreterConfig (GH-12571)

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Victor Stinner 2019-03-27 01:36:16 +01:00 • committed by GitHub
parent 6a258c8890
commit 8b9dbc017a
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10 changed files with 103 additions and 417 deletions
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119
Python/sysmodule.c
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@ -17,6 +17,7 @@ Data members:
#include "Python.h"
#include "code.h"
#include "frameobject.h"
#include "pycore_coreconfig.h"
#include "pycore_pylifecycle.h"
#include "pycore_pymem.h"
#include "pycore_pathconfig.h"
@ -2530,26 +2531,71 @@ err_occurred:
} \
} while (0)
static int
sys_add_xoption(PyObject *opts, const wchar_t *s)
{
PyObject *name, *value;
const wchar_t *name_end = wcschr(s, L'=');
if (!name_end) {
name = PyUnicode_FromWideChar(s, -1);
value = Py_True;
Py_INCREF(value);
}
else {
name = PyUnicode_FromWideChar(s, name_end - s);
value = PyUnicode_FromWideChar(name_end + 1, -1);
}
if (name == NULL || value == NULL) {
goto error;
}
if (PyDict_SetItem(opts, name, value) < 0) {
goto error;
}
Py_DECREF(name);
Py_DECREF(value);
return 0;
error:
Py_XDECREF(name);
Py_XDECREF(value);
return -1;
}
static PyObject*
sys_create_xoptions_dict(const _PyCoreConfig *config)
{
Py_ssize_t nxoption = config->xoptions.length;
wchar_t * const * xoptions = config->xoptions.items;
PyObject *dict = PyDict_New();
if (dict == NULL) {
return NULL;
}
for (Py_ssize_t i=0; i < nxoption; i++) {
const wchar_t *option = xoptions[i];
if (sys_add_xoption(dict, option) < 0) {
Py_DECREF(dict);
return NULL;
}
}
return dict;
}
int
_PySys_InitMain(PyInterpreterState *interp)
{
PyObject *sysdict = interp->sysdict;
const _PyCoreConfig *core_config = &interp->core_config;
const _PyMainInterpreterConfig *config = &interp->config;
const _PyCoreConfig *config = &interp->core_config;
int res;
/* _PyMainInterpreterConfig_Read() must set all these variables */
assert(config->module_search_path != NULL);
assert(config->executable != NULL);
assert(config->prefix != NULL);
assert(config->base_prefix != NULL);
assert(config->exec_prefix != NULL);
assert(config->base_exec_prefix != NULL);
#define COPY_LIST(KEY, ATTR) \
#define COPY_LIST(KEY, VALUE) \
do { \
assert(PyList_Check(ATTR)); \
PyObject *list = PyList_GetSlice(ATTR, 0, PyList_GET_SIZE(ATTR)); \
PyObject *list = _PyWstrList_AsList(&(VALUE)); \
if (list == NULL) { \
return -1; \
} \
@ -2557,36 +2603,41 @@ _PySys_InitMain(PyInterpreterState *interp)
Py_DECREF(list); \
} while (0)
COPY_LIST("path", config->module_search_path);
#define SET_SYS_FROM_WSTR(KEY, VALUE) \
do { \
PyObject *str = PyUnicode_FromWideChar(VALUE, -1); \
if (str == NULL) { \
return -1; \
} \
SET_SYS_FROM_STRING_BORROW(KEY, str); \
Py_DECREF(str); \
} while (0)
SET_SYS_FROM_STRING_BORROW("executable", config->executable);
SET_SYS_FROM_STRING_BORROW("prefix", config->prefix);
SET_SYS_FROM_STRING_BORROW("base_prefix", config->base_prefix);
SET_SYS_FROM_STRING_BORROW("exec_prefix", config->exec_prefix);
SET_SYS_FROM_STRING_BORROW("base_exec_prefix", config->base_exec_prefix);
COPY_LIST("path", config->module_search_paths);
SET_SYS_FROM_WSTR("executable", config->executable);
SET_SYS_FROM_WSTR("prefix", config->prefix);
SET_SYS_FROM_WSTR("base_prefix", config->base_prefix);
SET_SYS_FROM_WSTR("exec_prefix", config->exec_prefix);
SET_SYS_FROM_WSTR("base_exec_prefix", config->base_exec_prefix);
if (config->pycache_prefix != NULL) {
SET_SYS_FROM_STRING_BORROW("pycache_prefix", config->pycache_prefix);
SET_SYS_FROM_WSTR("pycache_prefix", config->pycache_prefix);
} else {
PyDict_SetItemString(sysdict, "pycache_prefix", Py_None);
}
if (config->argv != NULL) {
SET_SYS_FROM_STRING_BORROW("argv", config->argv);
}
if (config->warnoptions != NULL) {
COPY_LIST("warnoptions", config->warnoptions);
}
if (config->xoptions != NULL) {
PyObject *dict = PyDict_Copy(config->xoptions);
if (dict == NULL) {
return -1;
}
SET_SYS_FROM_STRING_BORROW("_xoptions", dict);
Py_DECREF(dict);
COPY_LIST("argv", config->argv);
COPY_LIST("warnoptions", config->warnoptions);
PyObject *xoptions = sys_create_xoptions_dict(config);
if (xoptions == NULL) {
return -1;
}
SET_SYS_FROM_STRING_BORROW("_xoptions", xoptions);
#undef COPY_LIST
#undef SET_SYS_FROM_WSTR
/* Set flags to their final values */
SET_SYS_FROM_STRING_INT_RESULT("flags", make_flags());
@ -2602,7 +2653,7 @@ _PySys_InitMain(PyInterpreterState *interp)
}
SET_SYS_FROM_STRING_INT_RESULT("dont_write_bytecode",
PyBool_FromLong(!core_config->write_bytecode));
PyBool_FromLong(!config->write_bytecode));
if (get_warnoptions() == NULL)
return -1;