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Re-implement the 'warnings' module in C. This allows for usage of the

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'warnings' code in places where it was previously not possible (e.g., the
parser). It could also potentially lead to a speed-up in interpreter start-up
if the C version of the code (_warnings) is imported over the use of the
Python version in key places.

Closes issue #1631171.
This commit is contained in:
Brett Cannon 2008-04-12 23:44:07 +00:00
parent e6c03033af
commit e974689038
18 changed files with 1473 additions and 393 deletions
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75
Python/errors.c
View file

@ -641,81 +641,6 @@ PyErr_WriteUnraisable(PyObject *obj)
extern PyObject *PyModule_GetWarningsModule(void);
/* Function to issue a warning message; may raise an exception. */
int
PyErr_WarnEx(PyObject *category, const char *message, Py_ssize_t stack_level)
{
PyObject *dict, *func = NULL;
PyObject *warnings_module = PyModule_GetWarningsModule();
if (warnings_module != NULL) {
dict = PyModule_GetDict(warnings_module);
if (dict != NULL)
func = PyDict_GetItemString(dict, "warn");
}
if (func == NULL) {
PySys_WriteStderr("warning: %s\n", message);
return 0;
}
else {
PyObject *res;
if (category == NULL)
category = PyExc_RuntimeWarning;
res = PyObject_CallFunction(func, "sOn",
message, category, stack_level);
if (res == NULL)
return -1;
Py_DECREF(res);
return 0;
}
}
/* PyErr_Warn is only for backwards compatability and will be removed.
Use PyErr_WarnEx instead. */
#undef PyErr_Warn
PyAPI_FUNC(int)
PyErr_Warn(PyObject *category, char *message)
{
return PyErr_WarnEx(category, message, 1);
}
/* Warning with explicit origin */
int
PyErr_WarnExplicit(PyObject *category, const char *message,
const char *filename, int lineno,
const char *module, PyObject *registry)
{
PyObject *mod, *dict, *func = NULL;
mod = PyImport_ImportModuleNoBlock("warnings");
if (mod != NULL) {
dict = PyModule_GetDict(mod);
func = PyDict_GetItemString(dict, "warn_explicit");
Py_DECREF(mod);
}
if (func == NULL) {
PySys_WriteStderr("warning: %s\n", message);
return 0;
}
else {
PyObject *res;
if (category == NULL)
category = PyExc_RuntimeWarning;
if (registry == NULL)
registry = Py_None;
res = PyObject_CallFunction(func, "sOsizO", message, category,
filename, lineno, module, registry);
if (res == NULL)
return -1;
Py_DECREF(res);
return 0;
}
}
/* Set file and line information for the current exception.
If the exception is not a SyntaxError, also sets additional attributes