- New function sys.call_tracing() allows pdb to debug code
recursively.
- pdb has a new command, "debug", which lets you step through
arbitrary code from the debugger's (pdb) prompt.
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index fa7f3c4..50b9912 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -17,6 +17,7 @@
#include "Python.h"
#include "compile.h"
#include "frameobject.h"
+#include "eval.h"
#include "osdefs.h"
@@ -609,6 +610,23 @@
return (PyObject*)f;
}
+PyDoc_STRVAR(call_tracing_doc,
+"call_tracing(func, args) -> object\n\
+\n\
+Call func(*args), while tracing is enabled. The tracing state is\n\
+saved, and restored afterwards. This is intended to be called from\n\
+a debugger from a checkpoint, to recursively debug some other code."
+);
+
+static PyObject *
+sys_call_tracing(PyObject *self, PyObject *args)
+{
+ PyObject *func, *funcargs;
+ if (!PyArg_ParseTuple(args, "OO:call_tracing", &func, &funcargs))
+ return NULL;
+ return _PyEval_CallTracing(func, funcargs);
+}
+
PyDoc_STRVAR(callstats_doc,
"callstats() -> tuple of integers\n\
\n\
@@ -700,6 +718,7 @@
{"setrecursionlimit", sys_setrecursionlimit, METH_VARARGS,
setrecursionlimit_doc},
{"settrace", sys_settrace, METH_O, settrace_doc},
+ {"call_tracing", sys_call_tracing, METH_VARARGS, call_tracing_doc},
{NULL, NULL} /* sentinel */
};