From cdb89cd72cbc66e4626914b4a71b9052ddb3a32a Mon Sep 17 00:00:00 2001 From: Matthias Bussonnier Date: Thu, 1 Jun 2017 14:54:01 -0700 Subject: [PATCH] bpo-29660: traceback: Document that etype is ignored in some places. (GH-344) --- Doc/library/traceback.rst | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/Doc/library/traceback.rst b/Doc/library/traceback.rst index 066ee96fc0..55d331c996 100644 --- a/Doc/library/traceback.rst +++ b/Doc/library/traceback.rst @@ -45,9 +45,9 @@ The module defines the following functions: * if *tb* is not ``None``, it prints a header ``Traceback (most recent call last):`` * it prints the exception *etype* and *value* after the stack trace - * if *etype* is :exc:`SyntaxError` and *value* has the appropriate format, it - prints the line where the syntax error occurred with a caret indicating the - approximate position of the error. + * if *type(value)* is :exc:`SyntaxError` and *value* has the appropriate + format, it prints the line where the syntax error occurred with a caret + indicating the approximate position of the error. The optional *limit* argument has the same meaning as for :func:`print_tb`. If *chain* is true (the default), then chained exceptions (the @@ -55,6 +55,9 @@ The module defines the following functions: printed as well, like the interpreter itself does when printing an unhandled exception. + .. versionchanged:: 3.5 + The *etype* argument is ignored and inferred from the type of *value*. + .. function:: print_exc(limit=None, file=None, chain=True) @@ -131,6 +134,9 @@ The module defines the following functions: containing internal newlines. When these lines are concatenated and printed, exactly the same text is printed as does :func:`print_exception`. + .. versionchanged:: 3.5 + The *etype* argument is ignored and inferred from the type of *value*. + .. function:: format_exc(limit=None, chain=True) @@ -372,6 +378,7 @@ exception and traceback: print("*** print_tb:") traceback.print_tb(exc_traceback, limit=1, file=sys.stdout) print("*** print_exception:") + # exc_type below is ignored on 3.5 and later traceback.print_exception(exc_type, exc_value, exc_traceback, limit=2, file=sys.stdout) print("*** print_exc:") @@ -381,6 +388,7 @@ exception and traceback: print(formatted_lines[0]) print(formatted_lines[-1]) print("*** format_exception:") + # exc_type below is ignored on 3.5 and later print(repr(traceback.format_exception(exc_type, exc_value, exc_traceback))) print("*** extract_tb:") -- 2.40.0