diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/reference/simple_stmts.rst | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/Doc/reference/simple_stmts.rst b/Doc/reference/simple_stmts.rst index 63d0ea5..2429f11 100644 --- a/Doc/reference/simple_stmts.rst +++ b/Doc/reference/simple_stmts.rst @@ -587,7 +587,7 @@ printed:: ... Traceback (most recent call last): File "<stdin>", line 2, in <module> - ZeroDivisionError: int division or modulo by zero + ZeroDivisionError: division by zero The above exception was the direct cause of the following exception: @@ -606,7 +606,7 @@ attached as the new exception's :attr:`__context__` attribute:: ... Traceback (most recent call last): File "<stdin>", line 2, in <module> - ZeroDivisionError: int division or modulo by zero + ZeroDivisionError: division by zero During handling of the above exception, another exception occurred: @@ -614,9 +614,27 @@ attached as the new exception's :attr:`__context__` attribute:: File "<stdin>", line 4, in <module> RuntimeError: Something bad happened +Exception chaining can be explicitly suppressed by specifying :const:`None` in +the ``from`` clause:: + + >>> try: + ... print(1 / 0) + ... except: + ... raise RuntimeError("Something bad happened") from None + ... + Traceback (most recent call last): + File "<stdin>", line 4, in <module> + RuntimeError: Something bad happened + Additional information on exceptions can be found in section :ref:`exceptions`, and information about handling exceptions is in section :ref:`try`. +.. versionchanged:: 3.3 + :const:`None` is now permitted as ``Y`` in ``raise X from Y`` + +.. versionadded:: 3.3 + The ``__suppress_context__`` attribute to suppress automatic display of the + exception context .. _break: |