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bpo-32030: Add _PyMainInterpreterConfig.executable (#4876)

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* Add new fields to _PyMainInterpreterConfig:

  * executable
  * prefix
  * base_prefix
  * exec_prefix
  * base_exec_prefix

* _PySys_EndInit() now sets sys attributes from
  _PyMainInterpreterConfig
This commit is contained in:
Victor Stinner 2017-12-15 02:05:29 +01:00 • committed by GitHub
parent da273412c4
commit 41264f1cd4
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 92 additions and 69 deletions
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43
Python/sysmodule.c
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@ -2212,7 +2212,6 @@ err_occurred:
}
#undef SET_SYS_FROM_STRING
#undef SET_SYS_FROM_STRING_BORROW
/* Updating the sys namespace, returning integer error codes */
#define SET_SYS_FROM_STRING_INT_RESULT(key, value) \
@ -2228,10 +2227,35 @@ err_occurred:
} while (0)
int
_PySys_EndInit(PyObject *sysdict)
_PySys_EndInit(PyObject *sysdict, _PyMainInterpreterConfig *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);
SET_SYS_FROM_STRING_BORROW("path", config->module_search_path);
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);
if (config->argv != NULL) {
SET_SYS_FROM_STRING_BORROW("argv", config->argv);
}
if (config->warnoptions != NULL) {
SET_SYS_FROM_STRING_BORROW("warnoptions", config->warnoptions);
}
if (config->xoptions != NULL) {
SET_SYS_FROM_STRING_BORROW("_xoptions", config->xoptions);
}
/* Set flags to their final values */
SET_SYS_FROM_STRING_INT_RESULT("flags", make_flags());
/* prevent user from creating new instances */
@ -2247,17 +2271,6 @@ _PySys_EndInit(PyObject *sysdict)
SET_SYS_FROM_STRING_INT_RESULT("dont_write_bytecode",
PyBool_FromLong(Py_DontWriteBytecodeFlag));
SET_SYS_FROM_STRING_INT_RESULT("executable",
PyUnicode_FromWideChar(
Py_GetProgramFullPath(), -1));
SET_SYS_FROM_STRING_INT_RESULT("prefix",
PyUnicode_FromWideChar(Py_GetPrefix(), -1));
SET_SYS_FROM_STRING_INT_RESULT("exec_prefix",
PyUnicode_FromWideChar(Py_GetExecPrefix(), -1));
SET_SYS_FROM_STRING_INT_RESULT("base_prefix",
PyUnicode_FromWideChar(Py_GetPrefix(), -1));
SET_SYS_FROM_STRING_INT_RESULT("base_exec_prefix",
PyUnicode_FromWideChar(Py_GetExecPrefix(), -1));
if (get_warnoptions() == NULL)
return -1;
@ -2268,8 +2281,12 @@ _PySys_EndInit(PyObject *sysdict)
if (PyErr_Occurred())
return -1;
return 0;
err_occurred:
return -1;
}
#undef SET_SYS_FROM_STRING_BORROW
#undef SET_SYS_FROM_STRING_INT_RESULT
static PyObject *