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Diffstat (limited to 'docs/quick_tutorial/debugtoolbar.rst')
| -rw-r--r-- | docs/quick_tutorial/debugtoolbar.rst | 76 |
1 files changed, 37 insertions, 39 deletions
diff --git a/docs/quick_tutorial/debugtoolbar.rst b/docs/quick_tutorial/debugtoolbar.rst index 90750c633..f11abc493 100644 --- a/docs/quick_tutorial/debugtoolbar.rst +++ b/docs/quick_tutorial/debugtoolbar.rst @@ -58,57 +58,55 @@ Steps Analysis ======== -``pyramid_debugtoolbar`` is a full-fledged Python package, -available on PyPI just like thousands of other Python packages. Thus we -start by installing the ``pyramid_debugtoolbar`` package into our -virtual environment using normal Python package installation commands. - -The ``pyramid_debugtoolbar`` Python package is also a Pyramid add-on, -which means we need to include its add-on configuration into our web -application. We could do this with imperative configuration in -``tutorial/__init__.py`` by using ``config.include``. Pyramid also -supports wiring in add-on configuration via our ``development.ini`` -using ``pyramid.includes``. We use this to load the configuration for -the debugtoolbar. - -You'll now see an attractive button on the right side of -your browser, which you may click to provide introspective access to debugging -information in a new browser tab. Even better, if your web application -generates an error, -you will see a nice traceback on the screen. When you want to disable -this toolbar, no need to change code: you can remove it from -``pyramid.includes`` in the relevant ``.ini`` configuration file (thus -showing why configuration files are handy.) - -Note injects a small amount of html/css into your app just before the closing -``</body>`` tag in order to display itself. If you -start to experience otherwise inexplicable client-side weirdness, you can shut -it off by commenting out the ``pyramid_debugtoolbar`` line in -``pyramid.includes`` temporarily. +``pyramid_debugtoolbar`` is a full-fledged Python package, available on PyPI +just like thousands of other Python packages. Thus we start by installing the +``pyramid_debugtoolbar`` package into our virtual environment using normal +Python package installation commands. + +The ``pyramid_debugtoolbar`` Python package is also a Pyramid add-on, which +means we need to include its add-on configuration into our web application. We +could do this with imperative configuration in ``tutorial/__init__.py`` by +using ``config.include``. Pyramid also supports wiring in add-on configuration +via our ``development.ini`` using ``pyramid.includes``. We use this to load +the configuration for the debugtoolbar. + +You'll now see an attractive button on the right side of your browser, which +you may click to provide introspective access to debugging information in a +new browser tab. Even better, if your web application generates an error, you +will see a nice traceback on the screen. When you want to disable this +toolbar, there's no need to change code: you can remove it from +``pyramid.includes`` in the relevant ``.ini`` configuration file (thus showing +why configuration files are handy.) + +Note that the toolbar injects a small amount of HTML/CSS into your app just +before the closing ``</body>`` tag in order to display itself. If you start to +experience otherwise inexplicable client-side weirdness, you can shut it off +by commenting out the ``pyramid_debugtoolbar`` line in ``pyramid.includes`` +temporarily. .. seealso:: See also :ref:`pyramid_debugtoolbar <toolbar:overview>`. Extra Credit ============ -# Why don't we add ``pyramid_debugtoolbar`` to the list of - ``install_requires`` dependencies in ``debugtoolbar/setup.py``? +#. Why don't we add ``pyramid_debugtoolbar`` to the list of + ``install_requires`` dependencies in ``debugtoolbar/setup.py``? -# Introduce a bug into your application: Change: +#. Introduce a bug into your application: Change: - .. code-block:: python + .. code-block:: python - def hello_world(request): - return Response('<body><h1>Hello World!</h1></body>') + def hello_world(request): + return Response('<body><h1>Hello World!</h1></body>') - to: + to: - .. code-block:: python + .. code-block:: python def hello_world(request): return xResponse('<body><h1>Hello World!</h1></body>') - Save, and visit http://localhost:6543/ again. Notice the nice - traceback display. On the lowest line, click the "screen" icon to the - right, and try typing the variable names ``request`` and ``Response``. - What else can you discover? + Save, and visit http://localhost:6543/ again. Notice the nice + traceback display. On the lowest line, click the "screen" icon to the + right, and try typing the variable names ``request`` and ``Response``. + What else can you discover? |