bt2: don't print previous causes in causes created from bt2._Error

[babeltrace.git] / src / py-common / py-common.h

diff --git a/src/py-common/py-common.h b/src/py-common/py-common.h
index dbfd8825225a5f9afa8726cc83551902419ee5a6..1ac5f21fc22680228ed0e8c08ea9459a3809e5ac 100644 (file)
--- a/src/py-common/py-common.h
+++ b/src/py-common/py-common.h
@@ -26,13 +26,35 @@
  */
 
 #include <glib.h>
+#include <Python.h>
+#include <stdbool.h>
 
 #include "common/macros.h"
 
 /*
- * Formats the Python error indicator (exception) and returns the
- * formatted string, or `NULL` on error. The returned string does NOT
- * end with a newline.
+ * Formats the Python traceback `py_exc_tb` using traceback.format_tb, from the
+ * Python standard library, and return it as a Gstring.
+ */
+BT_HIDDEN
+GString *bt_py_common_format_tb(PyObject *py_exc_tb, int log_level);
+
+/*
+ * Formats the Python exception described by `py_exc_type`, `py_exc_value`
+ * and `py_exc_tb` and returns the formatted string, or `NULL` on error. The
+ * returned string does NOT end with a newline.
+ *
+ * If `chain` is true, include all exceptions in the causality chain
+ * (see parameter `chain` of Python's traceback.format_exception).
+ */
+BT_HIDDEN
+GString *bt_py_common_format_exception(PyObject *py_exc_type,
+               PyObject *py_exc_value, PyObject *py_exc_tb,
+               int log_level, bool chain);
+
+/*
+ * Wrapper for `bt_py_common_format_exception` that passes the Python error
+ * indicator (the exception currently being raised).  Always include the
+ * full exception chain.
  *
  * You must ensure that the error indicator is set with PyErr_Occurred()
  * before you call this function.
@@ -41,6 +63,6 @@
  * that is fetched is always restored.
  */
 BT_HIDDEN
-GString *bt_py_common_format_exception(int log_level);
+GString *bt_py_common_format_current_exception(int log_level);
 
 #endif /* BABELTRACE_PY_COMMON_INTERNAL_H */