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Diffstat (limited to 'Doc/faq/extending.rst')
| -rw-r--r-- | Doc/faq/extending.rst | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/Doc/faq/extending.rst b/Doc/faq/extending.rst index 852e35f..3eafdf1 100644 --- a/Doc/faq/extending.rst +++ b/Doc/faq/extending.rst @@ -146,7 +146,9 @@ this object to :data:`sys.stdout` and :data:`sys.stderr`. Call print_error, or just allow the standard traceback mechanism to work. Then, the output will go wherever your ``write()`` method sends it. -The easiest way to do this is to use the :class:`io.StringIO` class:: +The easiest way to do this is to use the :class:`io.StringIO` class: + +.. code-block:: pycon >>> import io, sys >>> sys.stdout = io.StringIO() @@ -156,7 +158,9 @@ The easiest way to do this is to use the :class:`io.StringIO` class:: foo hello world! -A custom object to do the same would look like this:: +A custom object to do the same would look like this: + +.. code-block:: pycon >>> import io, sys >>> class StdoutCatcher(io.TextIOBase): @@ -222,11 +226,15 @@ How do I debug an extension? When using GDB with dynamically loaded extensions, you can't set a breakpoint in your extension until your extension is loaded. -In your ``.gdbinit`` file (or interactively), add the command:: +In your ``.gdbinit`` file (or interactively), add the command: + +.. code-block:: none br _PyImport_LoadDynamicModule -Then, when you run GDB:: +Then, when you run GDB: + +.. code-block:: shell-session $ gdb /local/bin/python gdb) run myscript.py |