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| author | Chris McDonough <chrism@plope.com> | 2013-03-23 03:08:04 -0400 |
|---|---|---|
| committer | Chris McDonough <chrism@plope.com> | 2013-03-23 03:08:04 -0400 |
| commit | e34541a752384e5fa432c2b14003211dc11f223a (patch) | |
| tree | 132794de4f52160d99586d91701880ebb6f9ddcd /docs/narr | |
| parent | 35d88c65d7b4ca7c75c3cf767be040ff9e0253f9 (diff) | |
| parent | 79112298e7cb27ee2d80e85429969cb005c31066 (diff) | |
| download | pyramid-e34541a752384e5fa432c2b14003211dc11f223a.tar.gz pyramid-e34541a752384e5fa432c2b14003211dc11f223a.tar.bz2 pyramid-e34541a752384e5fa432c2b14003211dc11f223a.zip | |
Merge branch 'master' of github.com:Pylons/pyramid
Diffstat (limited to 'docs/narr')
33 files changed, 462 insertions, 414 deletions
diff --git a/docs/narr/MyProject/setup.py b/docs/narr/MyProject/setup.py index f24b6984e..6969c73e7 100644 --- a/docs/narr/MyProject/setup.py +++ b/docs/narr/MyProject/setup.py @@ -3,8 +3,10 @@ import os from setuptools import setup, find_packages here = os.path.abspath(os.path.dirname(__file__)) -README = open(os.path.join(here, 'README.txt')).read() -CHANGES = open(os.path.join(here, 'CHANGES.txt')).read() +with open(os.path.join(here, 'README.txt')) as f: + README = f.read() +with open(os.path.join(here, 'CHANGES.txt')) as f: + CHANGES = f.read() requires = [ 'pyramid', diff --git a/docs/narr/advconfig.rst b/docs/narr/advconfig.rst index ad22a82c9..434e2bd6c 100644 --- a/docs/narr/advconfig.rst +++ b/docs/narr/advconfig.rst @@ -417,7 +417,7 @@ added in configuration execution order. More Information ---------------- -For more information, see the article entitled `"A Whirlwind Rour of Advanced +For more information, see the article, `"A Whirlwind Tour of Advanced Configuration Tactics" -<http://docs.pylonsproject.org/projects/pyramid_cookbook/en/latest/configuration/whirlwind_tour.html>`_ +<http://docs.pylonsproject.org/projects/pyramid_cookbook/en/latest/configuration/whirlwind_tour.html>`_, in the Pyramid Cookbook. diff --git a/docs/narr/assets.rst b/docs/narr/assets.rst index 7b620548d..99bcb187f 100644 --- a/docs/narr/assets.rst +++ b/docs/narr/assets.rst @@ -50,7 +50,6 @@ application might address the asset using the :term:`asset specification` ``myapp:templates/some_template.pt`` using that API within a ``views.py`` file inside a ``myapp`` package: -.. ignore-next-block .. code-block:: python :linenos: @@ -323,7 +322,7 @@ its behavior is almost exactly the same once it's configured. ``add_view`` (at least those without a ``route_name``). A :class:`~pyramid.static.static_view` static view cannot be made root-relative when you use traversal unless it's registered as a - :term:`Not Found view`. + :term:`Not Found View`. To serve files within a directory located on your filesystem at ``/path/to/static/dir`` as the result of a "catchall" route hanging from the @@ -331,7 +330,6 @@ root that exists at the end of your routing table, create an instance of the :class:`~pyramid.static.static_view` class inside a ``static.py`` file in your application root as below. -.. ignore-next-block .. code-block:: python :linenos: @@ -458,7 +456,6 @@ The ``override_asset`` API An individual call to :meth:`~pyramid.config.Configurator.override_asset` can override a single asset. For example: -.. ignore-next-block .. code-block:: python :linenos: @@ -473,7 +470,6 @@ colon separator in a specification separates the *package name* from the are not specified, the override attempts to resolve every lookup into a package from the directory of another package. For example: -.. ignore-next-block .. code-block:: python :linenos: @@ -482,7 +478,6 @@ package from the directory of another package. For example: Individual subdirectories within a package can also be overridden: -.. ignore-next-block .. code-block:: python :linenos: @@ -511,7 +506,6 @@ construction file resides (or the ``package`` argument to the :class:`~pyramid.config.Configurator` class construction). For example: -.. ignore-next-block .. code-block:: python :linenos: diff --git a/docs/narr/commandline.rst b/docs/narr/commandline.rst index 8d6b9d984..07c892439 100644 --- a/docs/narr/commandline.rst +++ b/docs/narr/commandline.rst @@ -32,7 +32,7 @@ Here is an example for a simple view configuration using :term:`traversal`: .. code-block:: text :linenos: - $ ../bin/pviews development.ini#tutorial /FrontPage + $ $VENV/bin/pviews development.ini#tutorial /FrontPage URL = /FrontPage @@ -56,7 +56,7 @@ A more complex configuration might generate something like this: .. code-block:: text :linenos: - $ ../bin/pviews development.ini#shootout /about + $ $VENV/bin/pviews development.ini#shootout /about URL = /about @@ -146,7 +146,7 @@ name ``main`` as a section name: .. code-block:: text - chrism@thinko env26]$ bin/pshell starter/development.ini#main + $ $VENV/bin starter/development.ini#main Python 2.6.5 (r265:79063, Apr 29 2010, 00:31:32) [GCC 4.4.3] on linux2 Type "help" for more information. @@ -181,7 +181,7 @@ hash after the filename: .. code-block:: text - chrism@thinko env26]$ bin/pshell starter/development.ini + $ $VENV/bin/pshell starter/development.ini Press ``Ctrl-D`` to exit the interactive shell (or ``Ctrl-Z`` on Windows). @@ -244,7 +244,7 @@ exposed, and the request is configured to generate urls from the host .. code-block:: text - chrism@thinko env26]$ bin/pshell starter/development.ini + $ $VENV/bin/pshell starter/development.ini Python 2.6.5 (r265:79063, Apr 29 2010, 00:31:32) [GCC 4.4.3] on linux2 Type "help" for more information. @@ -276,18 +276,17 @@ exposed, and the request is configured to generate urls from the host IPython or bpython ~~~~~~~~~~~~~~~~~~ -If you have `IPython <http://en.wikipedia.org/wiki/IPython>`_ or -`bpython <http://bpython-interpreter.org/>`_ or both installed in +If you have `IPython <http://en.wikipedia.org/wiki/IPython>`_ and/or +`bpython <http://bpython-interpreter.org/>`_ in the interpreter you use to invoke the ``pshell`` command, ``pshell`` will -autodiscover them and use the first respectively found in this order : +autodiscover and use the first one found, in this order: IPython, bpython, standard Python interpreter. However you could specifically invoke one of your choice with the ``-p choice`` or ``--python-shell choice`` option. .. code-block:: text - [chrism@vitaminf shellenv]$ ../bin/pshell -p ipython | bpython | python \ - development.ini#MyProject + $ $VENV/bin/pshell -p ipython | bpython | python development.ini#MyProject .. index:: pair: routes; printing @@ -312,7 +311,7 @@ For example: .. code-block:: text :linenos: - [chrism@thinko MyProject]$ ../bin/proutes development.ini + $ $VENV/bin/proutes development.ini Name Pattern View ---- ------- ---- home / <function my_view> @@ -321,8 +320,8 @@ For example: static/ static/*subpath <static_view object> catchall /*subpath <function static_view> -``proutes`` generates a table. The table has three columns: a Name -column, a Pattern column, and a View column. The items listed in the +``proutes`` generates a table with three columns: *Name*, *Pattern*, +and *View*. The items listed in the Name column are route names, the items listed in the Pattern column are route patterns, and the items listed in the View column are representations of the view callable that will be invoked when a request matches the associated @@ -355,7 +354,7 @@ configured without any explicit tweens: .. code-block:: text :linenos: - [chrism@thinko pyramid]$ myenv/bin/ptweens development.ini + $ $VENV/bin/ptweens development.ini "pyramid.tweens" config value NOT set (implicitly ordered tweens used) Implicit Tween Chain @@ -373,7 +372,7 @@ explicit tweens defined in its ``development.ini`` file: .. code-block:: text :linenos: - [chrism@thinko pyramid]$ ptweens development.ini + $ ptweens development.ini "pyramid.tweens" config value set (explicitly ordered tweens used) Explicit Tween Chain (used) @@ -399,7 +398,7 @@ Here's the application configuration section of the ``development.ini`` used by the above ``ptweens`` command which reports that the explicit tween chain is used: -.. code-block:: text +.. code-block:: ini :linenos: [app:main] @@ -442,7 +441,7 @@ There are two required arguments to ``prequest``: For example:: - $ bin/prequest development.ini / + $ $VENV/bin/prequest development.ini / This will print the body of the response to the console on which it was invoked. @@ -453,14 +452,14 @@ config file name or URL. ``prequest`` has a ``-d`` (aka ``--display-headers``) option which prints the status and headers returned by the server before the output:: - $ bin/prequest -d development.ini / + $ $VENV/bin/prequest -d development.ini / This will print the status, then the headers, then the body of the response to the console. You can add request header values by using the ``--header`` option:: - $ bin/prequest --header=Host:example.com development.ini / + $ $VENV/bin/prequest --header=Host:example.com development.ini / Headers are added to the WSGI environment by converting them to their CGI/WSGI equivalents (e.g. ``Host=example.com`` will insert the ``HTTP_HOST`` @@ -473,7 +472,7 @@ using the ``-m`` (aka ``--method``) option. ``GET``, ``HEAD``, ``POST`` and ``DELETE`` are currently supported. When you use ``POST``, the standard input of the ``prequest`` process is used as the ``POST`` body:: - $ bin/prequest -mPOST development.ini / < somefile + $ $VENV/bin/prequest -mPOST development.ini / < somefile .. _writing_a_script: @@ -504,7 +503,8 @@ environment much like the environment produced when a particular using the :func:`pyramid.paster.bootstrap` command in the body of your script. -.. note:: This feature is new as of :app:`Pyramid` 1.1. +.. versionadded:: 1.1 + :func:`pyramid.paster.bootstrap` In the simplest case, :func:`pyramid.paster.bootstrap` can be used with a single argument, which accepts the :term:`PasteDeploy` ``.ini`` file @@ -774,8 +774,10 @@ top-level directory your ``setup.py`` file will look something like this: from setuptools import setup, find_packages here = os.path.abspath(os.path.dirname(__file__)) - README = open(os.path.join(here, 'README.txt')).read() - CHANGES = open(os.path.join(here, 'CHANGES.txt')).read() + with open(os.path.join(here, 'README.txt')) as f: + README = f.read() + with open(os.path.join(here, 'CHANGES.txt')) as f: + CHANGES = f.read() requires = ['pyramid', 'pyramid_debugtoolbar'] @@ -829,8 +831,10 @@ The result will be something like: from setuptools import setup, find_packages here = os.path.abspath(os.path.dirname(__file__)) - README = open(os.path.join(here, 'README.txt')).read() - CHANGES = open(os.path.join(here, 'CHANGES.txt')).read() + with open(os.path.join(here, 'README.txt')) as f: + README = f.read() + with open(os.path.join(here, 'CHANGES.txt')) as f: + CHANGES = f.read() requires = ['pyramid', 'pyramid_debugtoolbar'] @@ -862,7 +866,7 @@ The result will be something like: """, ) -Once you've done this, invoking ``$somevirtualenv/bin/python setup.py +Once you've done this, invoking ``$$VENV/bin/python setup.py develop`` will install a file named ``show_settings`` into the ``$somevirtualenv/bin`` directory with a small bit of Python code that points to your entry point. It will be executable. Running it without any @@ -873,9 +877,7 @@ with ``foo``. Running it with two "omit" options (e.g. ``--omit=foo --omit=bar``) will omit all settings that have keys that start with either ``foo`` or ``bar``:: - [chrism@thinko somevenv]$ bin/show_settings development.ini \ - --omit=pyramid \ - --omit=debugtoolbar + $ $VENV/bin/show_settings development.ini --omit=pyramid --omit=debugtoolbar debug_routematch False debug_templates True reload_templates True diff --git a/docs/narr/configuration.rst b/docs/narr/configuration.rst index cd3dab099..f7a69d613 100644 --- a/docs/narr/configuration.rst +++ b/docs/narr/configuration.rst @@ -101,27 +101,25 @@ for decorations happens when the :meth:`pyramid.config.Configurator.scan` method is invoked: scanning implies searching for configuration declarations in a package and its subpackages. For example: -.. topic:: Starting A Scan - - .. code-block:: python - :linenos: - - from wsgiref.simple_server import make_server - from pyramid.config import Configurator - from pyramid.response import Response - from pyramid.view import view_config - - @view_config() - def hello(request): - return Response('Hello') - - if __name__ == '__main__': - from pyramid.config import Configurator - config = Configurator() - config.scan() - app = config.make_wsgi_app() - server = make_server('0.0.0.0', 8080, app) - server.serve_forever() +.. code-block:: python + :linenos: + + from wsgiref.simple_server import make_server + from pyramid.config import Configurator + from pyramid.response import Response + from pyramid.view import view_config + + @view_config() + def hello(request): + return Response('Hello') + + if __name__ == '__main__': + from pyramid.config import Configurator + config = Configurator() + config.scan() + app = config.make_wsgi_app() + server = make_server('0.0.0.0', 8080, app) + server.serve_forever() The scanning machinery imports each module and subpackage in a package or module recursively, looking for special attributes attached to objects @@ -142,9 +140,7 @@ In the example above, the scanner translates the arguments to :class:`~pyramid.view.view_config` into a call to the :meth:`pyramid.config.Configurator.add_view` method, effectively: -.. ignore-next-block .. code-block:: python - :linenos: config.add_view(hello) diff --git a/docs/narr/environment.rst b/docs/narr/environment.rst index 8206e0bcb..e059acc4e 100644 --- a/docs/narr/environment.rst +++ b/docs/narr/environment.rst @@ -203,7 +203,7 @@ Using the setting is equivalent to using the | | +---------------------------------+ -The value supplied as ``pyramid.includes`` should be a sequence. The +The value assigned to ``pyramid.includes`` should be a sequence. The sequence can take several different forms. 1) It can be a string. @@ -212,7 +212,7 @@ sequence can take several different forms. package1 package2 package3 - The package names can also be separated by carriage returns:: + The package names can also be separated by carriage returns:: package1 package2 @@ -323,7 +323,7 @@ the behest of an add-on author. | | +---------------------------------+ -The value supplied as ``pyramid.tweens`` should be a sequence. The +The value assigned to ``pyramid.tweens`` should be a sequence. The sequence can take several different forms. 1) It can be a string. @@ -504,12 +504,13 @@ default, this is ``false``. Mako Preprocessor ~~~~~~~~~~~~~~~~~ +.. versionadded:: 1.1 + A callable (or a :term:`dotted Python name` which names a callable) which is called to preprocess the source before the template is called. The callable will be passed the full template source before it is parsed. The return result of the callable will be used as the template source code. -.. note:: This feature is new in Pyramid 1.1. +-----------------------------+ | Config File Setting Name | @@ -545,7 +546,7 @@ for settings documented as such. For example, you might start your .. code-block:: text $ PYRAMID_DEBUG_AUTHORIZATION=1 PYRAMID_RELOAD_TEMPLATES=1 \ - bin/paster serve MyProject.ini + $VENV/bin/pserve MyProject.ini If you started your application this way, your :app:`Pyramid` application would behave in the same manner as if you had placed the @@ -665,9 +666,9 @@ Here's how: def includeme(config): settings = config.registry.settings debug_frobnosticator = settings['debug_frobnosticator'] - -- In the runtime code that you need to access the new settings value, find - the value in the ``registry.settings`` dictionary and use it. In + +- In the runtime code from where you need to access the new settings value, + find the value in the ``registry.settings`` dictionary and use it. In :term:`view` code (or any other code that has access to the request), the easiest way to do this is via ``request.registry.settings``. For example: diff --git a/docs/narr/extconfig.rst b/docs/narr/extconfig.rst index 875bc9006..f33326279 100644 --- a/docs/narr/extconfig.rst +++ b/docs/narr/extconfig.rst @@ -227,9 +227,7 @@ augment Pyramid's configuration introspection system. Adding Configuration Introspection ---------------------------------- -.. note:: - - The introspection subsystem is new in Pyramid 1.3. +.. versionadded:: 1.3 Pyramid provides a configuration introspection system that can be used by debugging tools to provide visibility into the configuration of a running diff --git a/docs/narr/extending.rst b/docs/narr/extending.rst index c464203f0..beece7640 100644 --- a/docs/narr/extending.rst +++ b/docs/narr/extending.rst @@ -84,7 +84,7 @@ function in your application's ``__init__.py``. For example, rather than: config.add_view('myapp.views.view1', name='view1') config.add_view('myapp.views.view2', name='view2') -You should do move the calls to ``add_view`` outside of the (non-reusable) +You should move the calls to ``add_view`` outside of the (non-reusable) ``if __name__ == '__main__'`` block, and into a reusable function: .. code-block:: python @@ -200,8 +200,8 @@ like this: overridden elements, such as templates and static assets as necessary. - Install the new package into the same Python environment as the original - application (e.g. ``$myvenv/bin/python setup.py develop`` or - ``$myvenv/bin/python setup.py install``). + application (e.g. ``$VENV/bin/python setup.py develop`` or + ``$VENV/bin/python setup.py install``). - Change the ``main`` function in the new package's ``__init__.py`` to include the original :app:`Pyramid` application's configuration functions via diff --git a/docs/narr/firstapp.rst b/docs/narr/firstapp.rst index 0b85d68d3..e73ef66ac 100644 --- a/docs/narr/firstapp.rst +++ b/docs/narr/firstapp.rst @@ -29,18 +29,18 @@ On UNIX: .. code-block:: text - $ /path/to/your/virtualenv/bin/python helloworld.py + $ $VENV/bin/python helloworld.py On Windows: .. code-block:: text - C:\> \path\to\your\virtualenv\Scripts\python.exe helloworld.py + C:\> %VENV%\Scripts\python.exe helloworld.py This command will not return and nothing will be printed to the console. When port 8080 is visited by a browser on the URL ``/hello/world``, the server will simply serve up the text "Hello world!". If your application is -running on your local system, using ``http://localhost:8080/hello/world`` +running on your local system, using `<http://localhost:8080/hello/world>`_ in a browser will show this result. Each time you visit a URL served by the application in a browser, a logging @@ -166,7 +166,6 @@ the application. Adding Configuration ~~~~~~~~~~~~~~~~~~~~ -.. ignore-next-block .. literalinclude:: helloworld.py :linenos: :lines: 11-12 @@ -175,9 +174,9 @@ First line above calls the :meth:`pyramid.config.Configurator.add_route` method, which registers a :term:`route` to match any URL path that begins with ``/hello/`` followed by a string. -The second line, ``config.add_view(hello_world, route_name='hello')``, -registers the ``hello_world`` function as a :term:`view callable` and makes -sure that it will be called when the ``hello`` route is matched. +The second line registers the ``hello_world`` function as a +:term:`view callable` and makes sure that it will be called when the +``hello`` route is matched. .. index:: single: make_wsgi_app @@ -186,7 +185,6 @@ sure that it will be called when the ``hello`` route is matched. WSGI Application Creation ~~~~~~~~~~~~~~~~~~~~~~~~~ -.. ignore-next-block .. literalinclude:: helloworld.py :linenos: :lines: 13 @@ -194,13 +192,13 @@ WSGI Application Creation After configuring views and ending configuration, the script creates a WSGI *application* via the :meth:`pyramid.config.Configurator.make_wsgi_app` method. A call to ``make_wsgi_app`` implies that all configuration is -finished (meaning all method calls to the configurator which set up views, -and various other configuration settings have been performed). The +finished (meaning all method calls to the configurator, which sets up views +and various other configuration settings, have been performed). The ``make_wsgi_app`` method returns a :term:`WSGI` application object that can be used by any WSGI server to present an application to a requestor. :term:`WSGI` is a protocol that allows servers to talk to Python applications. We don't discuss :term:`WSGI` in any depth within this book, -however, you can learn more about it by visiting `wsgi.org +but you can learn more about it by visiting `wsgi.org <http://wsgi.org>`_. The :app:`Pyramid` application object, in particular, is an instance of a @@ -215,7 +213,6 @@ to its ``add_view`` and ``add_route`` methods. WSGI Application Serving ~~~~~~~~~~~~~~~~~~~~~~~~ -.. ignore-next-block .. literalinclude:: helloworld.py :linenos: :lines: 14-15 diff --git a/docs/narr/hooks.rst b/docs/narr/hooks.rst index b5efc0df1..330eb0cd3 100644 --- a/docs/narr/hooks.rst +++ b/docs/narr/hooks.rst @@ -15,12 +15,11 @@ Changing the Not Found View --------------------------- When :app:`Pyramid` can't map a URL to view code, it invokes a :term:`not -found view`, which is a :term:`view callable`. A default notfound view -exists. The default not found view can be overridden through application -configuration. +found view`, which is a :term:`view callable`. The default Not Found View +can be overridden through application configuration. If your application uses :term:`imperative configuration`, you can replace -the Not Found view by using the +the Not Found View by using the :meth:`pyramid.config.Configurator.add_notfound_view` method: .. code-block:: python @@ -30,7 +29,7 @@ the Not Found view by using the config.add_notfound_view(notfound) Replace ``helloworld.views.notfound`` with a reference to the :term:`view -callable` you want to use to represent the Not Found view. The :term:`not +callable` you want to use to represent the Not Found View. The :term:`not found view` callable is a view callable like any other. If your application instead uses :class:`pyramid.view.view_config` decorators @@ -52,12 +51,12 @@ and a :term:`scan`, you can replace the Not Found view by using the This does exactly what the imperative example above showed. -Your application can define *multiple* not found views if necessary. Both +Your application can define *multiple* Not Found Views if necessary. Both :meth:`pyramid.config.Configurator.add_notfound_view` and :class:`pyramid.view.notfound_view_config` take most of the same arguments as :class:`pyramid.config.Configurator.add_view` and -:class:`pyramid.view.view_config`, respectively. This means that not found -views can carry predicates limiting their applicability. For example: +:class:`pyramid.view.view_config`, respectively. This means that Not Found +Views can carry predicates limiting their applicability. For example: .. code-block:: python :linenos: @@ -80,7 +79,7 @@ The ``notfound_get`` view will be called when a view could not be found and the request method was ``GET``. The ``notfound_post`` view will be called when a view could not be found and the request method was ``POST``. -Like any other view, the notfound view must accept at least a ``request`` +Like any other view, the Not Found View must accept at least a ``request`` parameter, or both ``context`` and ``request``. The ``request`` is the current :term:`request` representing the denied action. The ``context`` (if used in the call signature) will be the instance of the @@ -92,7 +91,8 @@ Both :meth:`pyramid.config.Configurator.add_notfound_view` and redirect requests to slash-appended routes. See :ref:`redirecting_to_slash_appended_routes` for examples. -Here's some sample code that implements a minimal NotFound view callable: +Here's some sample code that implements a minimal :term:`Not Found View` +callable: .. code-block:: python :linenos: @@ -104,11 +104,11 @@ Here's some sample code that implements a minimal NotFound view callable: .. note:: - When a NotFound view callable is invoked, it is passed a + When a Not Found View callable is invoked, it is passed a :term:`request`. The ``exception`` attribute of the request will be an instance of the :exc:`~pyramid.httpexceptions.HTTPNotFound` exception that - caused the not found view to be called. The value of - ``request.exception.message`` will be a value explaining why the not found + caused the Not Found View to be called. The value of + ``request.exception.message`` will be a value explaining why the Not Found error was raised. This message will be different when the ``pyramid.debug_notfound`` environment setting is true than it is when it is false. @@ -123,7 +123,7 @@ Here's some sample code that implements a minimal NotFound view callable: .. warning:: - When a NotFound view callable accepts an argument list as + When a Not Found View callable accepts an argument list as described in :ref:`request_and_context_view_definitions`, the ``context`` passed as the first argument to the view callable will be the :exc:`~pyramid.httpexceptions.HTTPNotFound` exception instance. If @@ -257,6 +257,97 @@ already constructed a :term:`configurator` it can also be registered via the config.set_request_factory(MyRequest) .. index:: + single: request method + +.. _adding_request_method: + +Adding Methods or Properties to Request Object +---------------------------------------------- + +.. versionadded:: 1.4. + +Since each Pyramid application can only have one :term:`request` factory, +:ref:`changing the request factory <changing_the_request_factory>` +is not that extensible, especially if you want to build composable features +(e.g., Pyramid add-ons and plugins). + +A lazy property can be registered to the request object via the +:meth:`pyramid.config.Configurator.add_request_method` API. This allows you +to specify a callable that will be available on the request object, but will not +actually execute the function until accessed. + +.. warning:: + + This will silently override methods and properties from :term:`request + factory` that have the same name. + +.. code-block:: python + :linenos: + + from pyramid.config import Configurator + + def total(request, *args): + return sum(args) + + def prop(request): + print "getting the property" + return "the property" + + config = Configurator() + config.add_request_method(total) + config.add_request_method(prop, reify=True) + +In the above example, ``total`` is added as a method. However, ``prop`` is added +as a property and its result is cached per-request by setting ``reify=True``. +This way, we eliminate the overhead of running the function multiple times. + + >>> request.total(1, 2, 3) + 6 + >>> request.prop + getting the property + the property + >>> request.prop + the property + +To not cache the result of ``request.prop``, set ``property=True`` instead of +``reify=True``. + +Here is an example of passing a class to ``Configurator.add_request_method``: + +.. code-block:: python + :linenos: + + from pyramid.config import Configurator + from pyramid.decorator import reify + + class ExtraStuff(object): + + def __init__(self, request): + self.request = request + + def total(self, *args): + return sum(args) + + # use @property if you don't want to cache the result + @reify + def prop(self): + print "getting the property" + return "the property" + + config = Configurator() + config.add_request_method(ExtraStuff, 'extra', reify=True) + +We attach and cache an object named ``extra`` to the ``request`` object. + + >>> request.extra.total(1, 2, 3) + 6 + >>> request.extra.prop + getting the property + the property + >>> request.extra.prop + the property + +.. index:: single: before render event single: adding renderer globals @@ -336,9 +427,9 @@ when adding renderer global values exists in :ref:`adding_renderer_globals`. Adding Renderer Globals (Deprecated) ------------------------------------ -.. warning:: this feature is deprecated as of Pyramid 1.1. A non-deprecated - mechanism which allows event subscribers to add renderer global values - is documented in :ref:`beforerender_event`. +.. deprecated:: 1.1 + An alternative mechanism which allows event subscribers to add renderer + global values is documented in :ref:`beforerender_event`. Whenever :app:`Pyramid` handles a request to perform a rendering (after a view with a ``renderer=`` configuration attribute is invoked, or when any of @@ -621,7 +712,7 @@ The API that must be implemented by your a class that provides The default context URL generator is available for perusal as the class :class:`pyramid.traversal.ResourceURL` in the `traversal module -<http://github.com/Pylons/pyramid/blob/master/pyramid/traversal.py>`_ of the +<https://github.com/Pylons/pyramid/blob/master/pyramid/traversal.py>`_ of the :term:`Pylons` GitHub Pyramid repository. See :meth:`pyramid.config.add_resource_url_adapter` for more information. @@ -635,13 +726,13 @@ See :meth:`pyramid.config.add_resource_url_adapter` for more information. Changing How Pyramid Treats View Responses ------------------------------------------ +.. versionadded:: 1.1 + It is possible to control how Pyramid treats the result of calling a view callable on a per-type basis by using a hook involving :meth:`pyramid.config.Configurator.add_response_adapter` or the :class:`~pyramid.response.response_adapter` decorator. -.. note:: This feature is new as of Pyramid 1.1. - Pyramid, in various places, adapts the result of calling a view callable to the :class:`~pyramid.interfaces.IResponse` interface to ensure that the object returned by the view callable is a "true" response object. The vast @@ -936,8 +1027,8 @@ For full details, please read the `Venusian documentation Registering "Tweens" -------------------- -.. note:: Tweens are a feature which were added in Pyramid 1.2. They are - not available in any previous version. +.. versionadded:: 1.2 + Tweens A :term:`tween` (a contraction of the word "between") is a bit of code that sits between the Pyramid router's main request handling function and the @@ -1241,10 +1332,7 @@ implict and explicit tween chains used by an application. See Adding A Third Party View, Route, or Subscriber Predicate --------------------------------------------------------- -.. note:: - - Third-party view, route, and subscriber predicates are a feature new as of - Pyramid 1.4. +.. versionadded:: 1.4 .. _view_and_route_predicates: diff --git a/docs/narr/i18n.rst b/docs/narr/i18n.rst index 511464322..74765f8e2 100644 --- a/docs/narr/i18n.rst +++ b/docs/narr/i18n.rst @@ -276,7 +276,7 @@ like so: .. code-block:: text $ cd /my/virtualenv - $ bin/easy_install Babel lingua + $ $VENV/bin/easy_install Babel lingua Installation on Windows +++++++++++++++++++++++ @@ -287,8 +287,7 @@ like so: .. code-block:: text - C> cd \my\virtualenv - C> Scripts\easy_install Babel lingua + C> %VENV%\Scripts\easy_install Babel lingua .. index:: single: Babel; message extractors @@ -347,7 +346,7 @@ extract the messages: $ cd /place/where/myapplication/setup.py/lives $ mkdir -p myapplication/locale - $ $myvenv/bin/python setup.py extract_messages + $ $VENV/bin/python setup.py extract_messages The message catalog ``.pot`` template will end up in: @@ -439,7 +438,7 @@ init_catalog`` command: .. code-block:: text $ cd /place/where/myapplication/setup.py/lives - $ $myvenv/bin/python setup.py init_catalog -l es + $ $VENV/bin/python setup.py init_catalog -l es By default, the message catalog ``.po`` file will end up in: @@ -471,7 +470,7 @@ Then use the ``setup.py update_catalog`` command. .. code-block:: text $ cd /place/where/myapplication/setup.py/lives - $ $myvenv/bin/python setup.py update_catalog + $ $VENV/bin/python setup.py update_catalog .. index:: pair: compiling; message catalog @@ -487,7 +486,7 @@ translations, compile ``.po`` files to ``.mo`` files: .. code-block:: text $ cd /place/where/myapplication/setup.py/lives - $ $myvenv/bin/python setup.py compile_catalog + $ $VENV/bin/python setup.py compile_catalog This will create a ``.mo`` file for each ``.po`` file in your application. As long as the :term:`translation directory` in which @@ -736,9 +735,7 @@ through translation before being rendered: The features represented by attributes of the ``i18n`` namespace of Chameleon will also consult the :app:`Pyramid` translations. -See -`http://chameleon.repoze.org/docs/latest/i18n.html#the-i18n-namespace -<http://chameleon.repoze.org/docs/latest/i18n.html#the-i18n-namespace>`_. +See http://chameleon.readthedocs.org/en/latest/reference.html#id50. .. note:: diff --git a/docs/narr/install.rst b/docs/narr/install.rst index a78c1b2bd..7f4742ee2 100644 --- a/docs/narr/install.rst +++ b/docs/narr/install.rst @@ -14,18 +14,37 @@ run :app:`Pyramid`. .. sidebar:: Python Versions - As of this writing, :app:`Pyramid` has been tested under Python 2.6.8, - Python 2.7.3, Python 3.2.3, and Python 3.3b1. :app:`Pyramid` does not + As of this writing, :app:`Pyramid` has been tested under Python 2.6, + Python 2.7, Python 3.2, and Python 3.3. :app:`Pyramid` does not run under any version of Python before 2.6. :app:`Pyramid` is known to run on all popular UNIX-like systems such as -Linux, MacOS X, and FreeBSD as well as on Windows platforms. It is also -known to run on :term:`PyPy` (1.9+). +Linux, Mac OS X, and FreeBSD as well as on Windows platforms. It is +also known to run on :term:`PyPy` (1.9+). :app:`Pyramid` installation does not require the compilation of any C code, so you need only a Python interpreter that meets the requirements mentioned. +For Mac OS X Users +~~~~~~~~~~~~~~~~~~ + +From `Python.org <http://python.org/download/mac/>`_: + + Python comes pre-installed on Mac OS X, but due to Apple's release + cycle, it's often one or even two years old. The overwhelming + recommendation of the "MacPython" community is to upgrade your + Python by downloading and installing a newer version from + `the Python standard release page <http://python.org/download/releases/>`_. + +It is recommended to download one of the *installer* versions, unless you prefer to install your Python through a packgage manager (e.g., macports or homebrew) or to build your Python from source. + +Unless you have a need for a specific earlier version, it is recommended +to install the latest 2.x or 3.x version of Python. + +If you use an installer for your Python, then you can skip to the +section :ref:`installing_unix`. + If You Don't Yet Have A Python Interpreter (UNIX) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -40,13 +59,11 @@ UNIX system that has development tools. Package Manager Method ++++++++++++++++++++++ -You can use your system's "package manager" to install Python. Every -system's package manager is slightly different, but the "flavor" of +You can use your system's "package manager" to install Python. +Each package manager is slightly different, but the "flavor" of them is usually the same. -For example, on an Ubuntu Linux system, to use the system package -manager to install a Python 2.7 interpreter, use the following -command: +For example, on a Debian or Ubuntu system, use the following command: .. code-block:: text @@ -70,7 +87,8 @@ Python interpreter to develop your software. The authors of :app:`Pyramid` tend not to use the system Python for development purposes; always a self-compiled one. Compiling Python is usually easy, and often the "system" Python is compiled with options that -aren't optimal for web development. +aren't optimal for web development. For an explanation, see +https://github.com/Pylons/pyramid/issues/747. To compile software on your UNIX system, typically you need development tools. Often these can be installed via the package @@ -89,17 +107,15 @@ using the following commands: .. code-block:: text - [chrism@vitaminf ~]$ cd ~ - [chrism@vitaminf ~]$ mkdir tmp - [chrism@vitaminf ~]$ mkdir opt - [chrism@vitaminf ~]$ cd tmp - [chrism@vitaminf tmp]$ wget \ - http://www.python.org/ftp/python/2.7.3/Python-2.7.3.tgz - [chrism@vitaminf tmp]$ tar xvzf Python-2.7.3.tgz - [chrism@vitaminf tmp]$ cd Python-2.7.3 - [chrism@vitaminf Python-2.7.3]$ ./configure \ - --prefix=$HOME/opt/Python-2.7.3 - [chrism@vitaminf Python-2.7.3]$ make; make install + $ cd ~ + $ mkdir tmp + $ mkdir opt + $ cd tmp + $ wget http://www.python.org/ftp/python/2.7.3/Python-2.7.3.tgz + $ tar xvzf Python-2.7.3.tgz + $ cd Python-2.7.3 + $ ./configure --prefix=$HOME/opt/Python-2.7.3 + $ make && make install Once these steps are performed, the Python interpreter will be invokable via ``$HOME/opt/Python-2.7.3/bin/python`` from a shell @@ -167,9 +183,7 @@ distribute is not yet installed: ImportError: No module named setuptools If ``import setuptools`` raises an :exc:`ImportError` as it does above, you -will need to install setuptools or distribute manually. Note that above -we're using a Python 2.7-series interpreter on Mac OS X; your output may -differ if you're using a later Python version or a different platform. +will need to install setuptools or distribute manually. If you are using a "system" Python (one installed by your OS distributor or a 3rd-party packager such as Fink or MacPorts), you can usually install the @@ -208,7 +222,7 @@ Installing Distribute On Python 3 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ``setuptools`` doesn't work under Python 3. Instead, you can use -``distribute``, which is a fork of setuptools that does work on Python 3. To +``distribute``, which is a fork of setuptools. To install it, first download `distribute_setup.py <http://python-distribute.org/distribute_setup.py>`_ then invoke it using the Python interpreter into which you want to install setuptools. @@ -269,16 +283,21 @@ as your system's administrative user. For example: Creating the Virtual Python Environment ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -Once the :term:`virtualenv` package is installed in your Python, you -can then create a virtual environment. To do so, invoke the -following: +Once the :term:`virtualenv` package is installed in your Python environment, +you can then create a virtual environment. To do so, invoke the following: .. code-block:: text - $ virtualenv --no-site-packages env - New python executable in env/bin/python + $ export VENV=~/env + $ virtualenv --no-site-packages $VENV + New python executable in /home/foo/env/bin/python Installing setuptools.............done. +You can either follow the use of the environment variable, ``$VENV``, +or replace it with the root directory of the :term:`virtualenv`. +In that case, the `export` command can be skipped. +If you choose the former approach, ensure that it's an absolute path. + .. warning:: Using ``--no-site-packages`` when generating your @@ -294,20 +313,16 @@ following: ``virtualenv`` script. It's perfectly acceptable (and desirable) to create a virtualenv as a normal user. -You should perform any following commands that mention a "bin" -directory from within the ``env`` virtualenv dir. Installing :app:`Pyramid` Into the Virtual Python Environment ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -After you've got your ``env`` virtualenv installed, you may install -:app:`Pyramid` itself using the following commands from within the -virtualenv (``env``) directory you created in the last step. +After you've got your virtualenv installed, you may install +:app:`Pyramid` itself using the following commands: .. code-block:: text - $ cd env - $ bin/easy_install pyramid + $ $VENV/bin/easy_install pyramid The ``easy_install`` command will take longer than the previous ones to complete, as it downloads and installs a number of dependencies. @@ -326,8 +341,8 @@ for both versions are included below. Windows Using Python 2 ~~~~~~~~~~~~~~~~~~~~~~ -#. Install, or find `Python 2.7 - <http://www.python.org/download/releases/2.7.3/>`_ for your system. +#. Install, or find the most recent `Python 2.7.x version + <http://www.python.org/download/>`_ for your system. #. Install the `Python for Windows extensions <http://sourceforge.net/projects/pywin32/files/>`_. Make sure to @@ -344,25 +359,25 @@ Windows Using Python 2 c:\> c:\Python27\python ez_setup.py -#. Use that Python's `bin/easy_install` to install `virtualenv`: +#. Install `virtualenv`: .. code-block:: text c:\> c:\Python27\Scripts\easy_install virtualenv -#. Use that Python's virtualenv to make a workspace: +#. Make a :term:`virtualenv` workspace: .. code-block:: text - c:\> c:\Python27\Scripts\virtualenv --no-site-packages env + c:\> set VENV=c:\env + c:\> c:\Python27\Scripts\virtualenv --no-site-packages %VENV% -#. Switch to the ``env`` directory: + You can either follow the use of the environment variable, ``%VENV%``, + or replace it with the root directory of the :term:`virtualenv`. + In that case, the `set` command can be skipped. + If you choose the former approach, ensure that it's an absolute path. - .. code-block:: text - - c:\> cd env - -#. (Optional) Consider using ``Scripts\activate.bat`` to make your shell +#. (Optional) Consider using ``%VENV%\Scripts\activate.bat`` to make your shell environment wired to use the virtualenv. #. Use ``easy_install`` to get :app:`Pyramid` and its direct dependencies @@ -370,48 +385,59 @@ Windows Using Python 2 .. code-block:: text - c:\env> Scripts\easy_install pyramid + c:\env> %VENV%\Scripts\easy_install pyramid Windows Using Python 3 ~~~~~~~~~~~~~~~~~~~~~~ -#. Install, or find `Python 3.2 - <http://www.python.org/download/releases/3.2.3/>`_ for your system. +#. Install, or find the latest version of `Python 3.x + <http://www.python.org/download/>`_ for your system and which is + supported by Pyramid. #. Install the `Python for Windows extensions <http://sourceforge.net/projects/pywin32/files/>`_. Make sure to - pick the right download for Python 3.2 and install it using the + pick the right download for Python 3.x and install it using the same Python installation from the previous step. #. Install latest :term:`distribute` distribution into the Python you obtained/installed/found in the step above: download `distribute_setup.py <http://python-distribute.org/distribute_setup.py>`_ and run it using the - ``python`` interpreter of your Python 3.2 installation using a command + ``python`` interpreter of your Python 3.x installation using a command prompt: .. code-block:: text + # modify the command according to the python version, e.g.: + # for Python 3.2.x: c:\> c:\Python32\python distribute_setup.py + # for Python 3.3.x: + c:\> c:\Python33\python distribute_setup.py -#. Use that Python's `bin/easy_install` to install `virtualenv`: +#. Install :term:`virtualenv`: .. code-block:: text + # for Python 3.2.x: c:\> c:\Python32\Scripts\easy_install virtualenv + # for Python 3.3.x: + c:\> c:\Python33\Scripts\easy_install virtualenv -#. Use that Python's virtualenv to make a workspace: +#. Make a :term:`virtualenv` workspace: .. code-block:: text - c:\> c:\Python32\Scripts\virtualenv --no-site-packages env - -#. Switch to the ``env`` directory: - - .. code-block:: text + c:\> set VENV=c:\env + # for Python 3.2.x: + c:\> c:\Python32\Scripts\virtualenv --no-site-packages %VENV% + # for Python 3.3.x: + c:\> c:\Python33\Scripts\virtualenv --no-site-packages %VENV% - c:\> cd env + You can either follow the use of the environment variable, ``%VENV%``, + or replace it with the root directory of the :term:`virtualenv`. + In that case, the `set` command can be skipped. + If you choose the former approach, ensure that it's an absolute path. -#. (Optional) Consider using ``Scripts\activate.bat`` to make your shell +#. (Optional) Consider using ``%VENV%\Scripts\activate.bat`` to make your shell environment wired to use the virtualenv. #. Use ``easy_install`` to get :app:`Pyramid` and its direct dependencies @@ -419,7 +445,7 @@ Windows Using Python 3 .. code-block:: text - c:\env> Scripts\easy_install pyramid + c:\env> %VENV%\Scripts\easy_install pyramid What Gets Installed ------------------- diff --git a/docs/narr/introduction.rst b/docs/narr/introduction.rst index c4f2ea512..f9c25c69c 100644 --- a/docs/narr/introduction.rst +++ b/docs/narr/introduction.rst @@ -52,9 +52,7 @@ Documentation Speed :app:`Pyramid` is designed to provide noticeably fast execution for common - tasks such as templating and simple response generation. Although "hardware - is cheap", the limits of this approach become painfully evident when one - finds him or herself responsible for managing a great many machines. + tasks such as templating and simple response generation. Reliability :app:`Pyramid` is developed conservatively and tested exhaustively. Where @@ -219,7 +217,6 @@ that the Pyramid core doesn't. Add-on packages already exist which let you easily send email, let you use the Jinja2 templating system, let you use XML-RPC or JSON-RPC, let you integrate with jQuery Mobile, etc. -Examples: http://docs.pylonsproject.org/docs/pyramid.html#pyramid-add-on-documentation Class-based and function-based views ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -749,7 +746,7 @@ that we change Pyramid? You can extend Pyramid's :term:`Configurator` with your own directives. For example, let's say you find yourself calling :meth:`pyramid.config.Configurator.add_view` repetitively. Usually you can take the boring away by using existing shortcuts, but let's say that this is -a case such a way that no existing shortcut works to take the boring away: +a case where there is no such shortcut: .. code-block:: python :linenos: diff --git a/docs/narr/introspector.rst b/docs/narr/introspector.rst index 7784e8960..dec22c5b1 100644 --- a/docs/narr/introspector.rst +++ b/docs/narr/introspector.rst @@ -7,6 +7,8 @@ Pyramid Configuration Introspection =================================== +.. versionadded:: 1.3 + When Pyramid starts up, each call to a :term:`configuration directive` causes one or more :term:`introspectable` objects to be registered with an :term:`introspector`. The introspector can be queried by application code to @@ -15,10 +17,6 @@ feature is useful for debug toolbars, command-line scripts which show some aspect of configuration, and for runtime reporting of startup-time configuration settings. -.. warning:: - - Introspection is new in Pyramid 1.3. - Using the Introspector ---------------------- diff --git a/docs/narr/logging.rst b/docs/narr/logging.rst index f4c38abb6..3b903be4d 100644 --- a/docs/narr/logging.rst +++ b/docs/narr/logging.rst @@ -22,25 +22,23 @@ Logging Configuration --------------------- A :app:`Pyramid` project created from a :term:`scaffold` is configured to -allow you to send messages to `Python standard library logging package -<http://docs.python.org/library/logging.html>`_ loggers from within your +allow you to send messages to :mod:`Python standard library logging package +<logging>` loggers from within your application. In particular, the :term:`PasteDeploy` ``development.ini`` and ``production.ini`` files created when you use a scaffold include a basic configuration for the Python :mod:`logging` package. -PasteDeploy ``.ini`` files use the Python standard library `ConfigParser -format <http://docs.python.org/lib/module-ConfigParser.html>`_; this the same -format used as the Python `logging module's Configuration file format -<http://docs.python.org/lib/logging-config-fileformat.html>`_. The -application-related and logging-related sections in the configuration file +PasteDeploy ``.ini`` files use the Python standard library :mod:`ConfigParser +format <ConfigParser>`; this is the same format used as the Python +:ref:`logging module's Configuration file format <logging-config-fileformat>`. +The application-related and logging-related sections in the configuration file can coexist peacefully, and the logging-related sections in the file are used from when you run ``pserve``. The ``pserve`` command calls the :func:`pyramid.paster.setup_logging` -function, a thin wrapper around the `logging.fileConfig -<http://docs.python.org/lib/logging-config-api.html>`_ using the specified -ini file if it contains a ``[loggers]`` section (all of the -scaffold-generated ``.ini`` files do). ``setup_logging`` reads the +function, a thin wrapper around the :func:`logging.config.fileConfig` +using the specified ``.ini`` file if it contains a ``[loggers]`` section +(all of the scaffold-generated ``.ini`` files do). ``setup_logging`` reads the logging configuration from the ini file upon which ``pserve`` was invoked. @@ -334,7 +332,7 @@ To this: mypyramidapp Using PasteDeploy this way to form and serve a pipeline is equivalent to -wrapping your app in a TransLogger instance via the bottom the ``main`` +wrapping your app in a TransLogger instance via the bottom of the ``main`` function of your project's ``__init__`` file: .. code-block:: python @@ -350,7 +348,7 @@ called with no arguments, so it 'just works' in environments that don't configure logging. Since we've configured our own logging handlers, we need to disable that option via ``setup_console_handler = False``. -With the filter in place, TransLogger's logger (named the 'wsgi' logger) will +With the filter in place, TransLogger's logger (named the ``wsgi`` logger) will propagate its log messages to the parent logger (the root logger), sending its output to the console when we request a page: @@ -364,14 +362,18 @@ its output to the console when we request a page: Firefox/2.0.0.6" To direct TransLogger to an ``access.log`` FileHandler, we need to add that -FileHandler to the wsgi logger's list of handlers: +FileHandler to the list of handlers (named ``accesslog``), and ensure that the +``wsgi`` logger is configured and uses this handler accordingly: .. code-block:: ini # Begin logging configuration - [loggers] - keys = root, myapp, wsgi + [loggers] + keys = root, myapp, wsgi + + [handlers] + keys = console, accesslog [logger_wsgi] level = INFO @@ -387,20 +389,19 @@ FileHandler to the wsgi logger's list of handlers: As mentioned above, non-root loggers by default propagate their log records to the root logger's handlers (currently the console handler). Setting -``propagate`` to 0 (false) here disables this; so the ``wsgi`` logger directs -its records only to the ``accesslog`` handler. +``propagate`` to ``0`` (``False``) here disables this; so the ``wsgi`` logger +directs its records only to the ``accesslog`` handler. Finally, there's no need to use the ``generic`` formatter with TransLogger as TransLogger itself provides all the information we need. We'll use a -formatter that passes-through the log messages as is: +formatter that passes-through the log messages as is. Add a new formatter +called ``accesslog`` by include the following in your configuration file: .. code-block:: ini [formatters] keys = generic, accesslog -.. code-block:: ini - [formatter_accesslog] format = %(message)s diff --git a/docs/narr/paste.rst b/docs/narr/paste.rst index 86b047aec..3427b6d53 100644 --- a/docs/narr/paste.rst +++ b/docs/narr/paste.rst @@ -21,7 +21,7 @@ of starting, stopping, and debugging an application. This chapter is not a replacement for documentation about PasteDeploy; it only contextualizes the use of PasteDeploy within Pyramid. For detailed -documentation, see http://pythonpaste.org. +documentation, see http://pythonpaste.org/deploy/. PasteDeploy ----------- @@ -62,7 +62,7 @@ Take a look at the generated ``setup.py`` file for this project. :language: python :linenos: -Note that the ``entry_point`` line in ``setup.py`` points at a string which +Note that ``entry_points`` is assigned a string which looks a lot like an ``.ini`` file. This string representation of an ``.ini`` file has a section named ``[paste.app_factory]``. Within this section, there is a key named ``main`` (the entry point name) which has a value @@ -85,6 +85,8 @@ function. This is the function called by :term:`PasteDeploy` when the ``pserve`` command is invoked against our application. It accepts a global configuration object and *returns* an instance of our application. +.. _defaults_section_of_pastedeploy_file: + ``[DEFAULTS]`` Section of a PasteDeploy ``.ini`` File ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/docs/narr/project.rst b/docs/narr/project.rst index fb62f4bd2..a168c24eb 100644 --- a/docs/narr/project.rst +++ b/docs/narr/project.rst @@ -80,13 +80,13 @@ On UNIX: .. code-block:: text - $ bin/pcreate -s starter MyProject + $ $VENV/bin/pcreate -s starter MyProject Or on Windows: .. code-block:: text - > Scripts\pcreate -s starter MyProject + > %VENV%\Scripts\pcreate -s starter MyProject The above command uses the ``pcreate`` command to create a project with the ``starter`` scaffold. To use a different scaffold, such as @@ -95,20 +95,20 @@ on UNIX: .. code-block:: text - $ bin/pcreate -s alchemy MyProject + $ $VENV/bin/pcreate -s alchemy MyProject Or on Windows: .. code-block:: text - > Scripts\pcreate -s alchemy MyProject + > %VENV%\Scripts\pcreate -s alchemy MyProject Here's sample output from a run of ``pcreate`` on UNIX for a project we name ``MyProject``: .. code-block:: text - $ bin/pcreate -s starter MyProject + $ $VENV/bin/pcreate -s starter MyProject Creating template pyramid Creating directory ./MyProject # ... more output ... @@ -177,21 +177,21 @@ On UNIX: .. code-block:: text $ cd MyProject - $ ../bin/python setup.py develop + $ $VENV/bin/python setup.py develop Or on Windows: .. code-block:: text > cd MyProject - > ..\Scripts\python.exe setup.py develop + > %VENV%\Scripts\python.exe setup.py develop Elided output from a run of this command on UNIX is shown below: .. code-block:: text $ cd MyProject - $ ../bin/python setup.py develop + $ $VENV/bin/python setup.py develop ... Finished processing dependencies for MyProject==0.0 @@ -216,19 +216,19 @@ On UNIX: .. code-block:: text - $ ../bin/python setup.py test -q + $ $VENV/bin/python setup.py test -q Or on Windows: .. code-block:: text - > ..\Scripts\python.exe setup.py test -q + > %VENV%\Scripts\python.exe setup.py test -q Here's sample output from a test run on UNIX: .. code-block:: text - $ ../bin/python setup.py test -q + $ $VENV/bin/python setup.py test -q running test running egg_info writing requirements to MyProject.egg-info/requires.txt @@ -272,19 +272,19 @@ On UNIX: .. code-block:: text - $ ../bin/pserve development.ini + $ $VENV/bin/pserve development.ini On Windows: .. code-block:: text - > ..\Scripts\pserve development.ini + > %VENV%\Scripts\pserve development.ini Here's sample output from a run of ``pserve`` on UNIX: .. code-block:: text - $ ../bin/pserve development.ini + $ $VENV/bin/pserve development.ini Starting server in PID 16601. serving on http://0.0.0.0:6543 @@ -297,7 +297,7 @@ For example, your system might be configured to have an external IP address ``192.168.1.50``. If that's the case, if you use a browser running on the same system as Pyramid, it will be able to access the application via ``http://127.0.0.1:6543/`` as well as via -``http://129.168.1.50:6543/``. However, *other people* on other computers on +``http://192.168.1.50:6543/``. However, *other people* on other computers on the same network will also be able to visit your Pyramid application in their browser by visiting ``http://192.168.1.50:6543/``. @@ -305,7 +305,9 @@ If you want to restrict access such that only a browser running on the same machine as Pyramid will be able to access your Pyramid application, edit the ``development.ini`` file, and replace the ``host`` value in the ``[server:main]`` section. Change it from ``0.0.0.0`` to ``127.0.0.1``. For -example:: +example: + +.. code-block:: ini [server:main] use = egg:waitress#main @@ -357,7 +359,7 @@ For example, on UNIX: .. code-block:: text - $ ../bin/pserve development.ini --reload + $ $VENV/bin/pserve development.ini --reload Starting subprocess with file monitor Starting server in PID 16601. serving on http://0.0.0.0:6543 @@ -459,20 +461,9 @@ Put a hash mark at the beginning of the ``pyramid_debugtoolbar`` line: Then restart the application to see that the toolbar has been turned off. Note that if you comment out the ``pyramid_debugtoolbar`` line, the ``#`` -*must* be in the first column. If you put the hash mark anywhere except the -first column instead, for example like this: - -.. code-block:: ini - :linenos: - - [app:main] - ... - pyramid.includes = - #pyramid_debugtoolbar - -When you attempt to restart the application with a section like the above -you'll receive an error that ends something like this, and the application -will not start: +*must* be in the first column. If you put it anywhere else, +and then attempt to restart the application, +you'll receive an error that ends something like this: .. code-block:: text @@ -703,7 +694,7 @@ work properly. The ``setup.py`` file is a :term:`setuptools` setup file. It is meant to be run directly from the command line to perform a variety of functions, such as -testing your application, packaging, and distributing your application. +testing, packaging, and distributing your application. .. note:: diff --git a/docs/narr/renderers.rst b/docs/narr/renderers.rst index ecf625251..08ebd881e 100644 --- a/docs/narr/renderers.rst +++ b/docs/narr/renderers.rst @@ -63,7 +63,6 @@ the ``renderer`` attribute. For example, this call to with a view callable: .. code-block:: python - :linenos: config.add_view('myproject.views.my_view', renderer='json') @@ -73,13 +72,13 @@ which renders view return values to a :term:`JSON` response serialization. Other built-in renderers include renderers which use the :term:`Chameleon` templating language to render a dictionary to a response. Additional -renderers can be added by developers to the system as necessary (see -:ref:`adding_and_overriding_renderers`). +renderers can be added by developers to the system as necessary. +See :ref:`adding_and_overriding_renderers`. Views which use a renderer and return a non-Response value can vary non-body response attributes (such as headers and the HTTP status code) by attaching a -property to the ``request.response`` attribute See -:ref:`request_response_attr`. +property to the ``request.response`` attribute. +See :ref:`request_response_attr`. If the :term:`view callable` associated with a :term:`view configuration` returns a Response object directly, any renderer associated with the view @@ -166,7 +165,6 @@ The body of the response returned by such a view will be a string representing the ``str()`` serialization of the return value: .. code-block:: python - :linenos: {'content': 'Hello!'} @@ -204,7 +202,6 @@ The body of the response returned by such a view will be a string representing the JSON serialization of the return value: .. code-block:: python - :linenos: '{"content": "Hello!"}' @@ -294,9 +291,8 @@ with the object. See :class:`pyramid.renderers.JSON` and :ref:`adding_and_overriding_renderers` for more information. -.. note:: - - Serializing custom objects is a feature new in Pyramid 1.4. +.. versionadded:: 1.4 + Serializing custom objects. .. index:: pair: renderer; JSONP @@ -306,9 +302,7 @@ See :class:`pyramid.renderers.JSON` and JSONP Renderer ~~~~~~~~~~~~~~ -.. note:: - - This feature is new in Pyramid 1.1. +.. versionadded:: 1.1 :class:`pyramid.renderers.JSONP` is a `JSONP <http://en.wikipedia.org/wiki/JSONP>`_ renderer factory helper which @@ -322,6 +316,7 @@ time "by hand". Configure a JSONP renderer using the .. code-block:: python from pyramid.config import Configurator + from pyramid.renderers import JSONP config = Configurator() config.add_renderer('jsonp', JSONP(param_name='callback')) @@ -571,8 +566,6 @@ in :ref:`request_module`. For more information on the API of Deprecated Mechanism to Vary Attributes of Rendered Responses ------------------------------------------------------------- -.. warning:: This section describes behavior deprecated in Pyramid 1.1. - In previous releases of Pyramid (1.0 and before), the ``request.response`` attribute did not exist. Instead, Pyramid required users to set special ``response_`` -prefixed attributes of the request to influence response @@ -619,7 +612,6 @@ For example, to add a renderer which renders views which have a ``renderer`` attribute that is a path that ends in ``.jinja2``: .. code-block:: python - :linenos: config.add_renderer('.jinja2', 'mypackage.MyJinja2Renderer') @@ -689,12 +681,10 @@ There are essentially two different kinds of renderer factories: :term:`package`. Here's an example of the registration of a simple renderer factory via -:meth:`~pyramid.config.Configurator.add_renderer`: +:meth:`~pyramid.config.Configurator.add_renderer`, where ``config`` +is an instance of :meth:`pyramid.config.Configurator`: .. code-block:: python - :linenos: - - # config is an instance of pyramid.config.Configurator config.add_renderer(name='amf', factory='my.package.MyAMFRenderer') @@ -725,10 +715,8 @@ Here's an example of the registration of a more complicated renderer factory, which expects to be passed a filesystem path: .. code-block:: python - :linenos: - config.add_renderer(name='.jinja2', - factory='my.package.MyJinja2Renderer') + config.add_renderer(name='.jinja2', factory='my.package.MyJinja2Renderer') Adding the above code to your application startup will allow you to use the ``my.package.MyJinja2Renderer`` renderer factory implementation in view @@ -769,7 +757,6 @@ extension for the same kinds of templates. For example, to associate the :meth:`pyramid.config.Configurator.add_renderer` method: .. code-block:: python - :linenos: config.add_renderer('.zpt', 'pyramid.chameleon_zpt.renderer_factory') @@ -781,7 +768,6 @@ rendered via a Chameleon ZPT page template renderer, use a variation on the following in your application's startup code: .. code-block:: python - :linenos: config.add_renderer('.pt', 'mypackage.pt_renderer') @@ -794,7 +780,6 @@ ones which do not possess a ``renderer`` attribute), pass ``None`` as the ``name`` attribute to the renderer tag: .. code-block:: python - :linenos: config.add_renderer(None, 'mypackage.json_renderer_factory') @@ -823,8 +808,8 @@ sets an ``override_renderer`` attribute on the request itself, which is the .. code-block:: python :linenos: - from pyramid.event import subscriber - from pyramid.event import NewRequest + from pyramid.events import subscriber + from pyramid.events import NewRequest @subscriber(NewRequest) def set_xmlrpc_params(event): diff --git a/docs/narr/router.rst b/docs/narr/router.rst index b78362066..ac3deefdc 100644 --- a/docs/narr/router.rst +++ b/docs/narr/router.rst @@ -46,7 +46,7 @@ request enters a :app:`Pyramid` application through to the point that :class:`~pyramid.interfaces.IRoute` object representing the route which matched. The root object associated with the route found is also generated: if the :term:`route configuration` which matched has an - associated a ``factory`` argument, this factory is used to generate the + associated ``factory`` argument, this factory is used to generate the root object, otherwise a default :term:`root factory` is used. #. If a route match was *not* found, and a ``root_factory`` argument was diff --git a/docs/narr/security.rst b/docs/narr/security.rst index 3a94b4f7d..e91e8c542 100644 --- a/docs/narr/security.rst +++ b/docs/narr/security.rst @@ -65,7 +65,7 @@ policies. Enabling an Authorization Policy -------------------------------- -By default, :app:`Pyramid` enables no authorization policy. All +:app:`Pyramid` does not enable any authorization policy by default. All views are accessible by completely anonymous users. In order to begin protecting views from execution based on security settings, you need to enable an authorization policy. @@ -80,12 +80,11 @@ policy. You must also enable an :term:`authentication policy` in order to enable the authorization policy. This is because authorization, in general, depends upon authentication. Use the -:meth:`~pyramid.config.Configurator.set_authentication_policy` and method +:meth:`~pyramid.config.Configurator.set_authentication_policy` method during application setup to specify the authentication policy. For example: -.. ignore-next-block .. code-block:: python :linenos: @@ -98,7 +97,7 @@ For example: config.set_authentication_policy(authn_policy) config.set_authorization_policy(authz_policy) -.. note:: the ``authentication_policy`` and ``authorization_policy`` +.. note:: The ``authentication_policy`` and ``authorization_policy`` arguments may also be passed to their respective methods mentioned above as :term:`dotted Python name` values, each representing the dotted name path to a suitable implementation global defined at Python module scope. @@ -151,7 +150,6 @@ API: The equivalent view registration including the ``add`` permission name may be performed via the ``@view_config`` decorator: -.. ignore-next-block .. code-block:: python :linenos: @@ -234,8 +232,8 @@ class: .. code-block:: python :linenos: - from pyramid.security import Everyone from pyramid.security import Allow + from pyramid.security import Everyone class Blog(object): __acl__ = [ @@ -250,8 +248,8 @@ Or, if your resources are persistent, an ACL might be specified via the .. code-block:: python :linenos: - from pyramid.security import Everyone from pyramid.security import Allow + from pyramid.security import Everyone class Blog(object): pass @@ -270,6 +268,27 @@ resource instances with an ACL (as opposed to just decorating their class) in applications such as "CMS" systems where fine-grained access is required on an object-by-object basis. +Dynamic ACLs are also possible by turning the ACL into a callable on the +resource. This may allow the ACL to dynamically generate rules based on +properties of the instance. + +.. code-block:: python + :linenos: + + from pyramid.security import Allow + from pyramid.security import Everyone + + class Blog(object): + def __acl__(self): + return [ + (Allow, Everyone, 'view'), + (Allow, self.owner, 'edit'), + (Allow, 'group:editors', 'edit'), + ] + + def __init__(self, owner): + self.owner = owner + .. index:: single: ACE single: access control entry @@ -282,8 +301,8 @@ Here's an example ACL: .. code-block:: python :linenos: - from pyramid.security import Everyone from pyramid.security import Allow + from pyramid.security import Everyone __acl__ = [ (Allow, Everyone, 'view'), @@ -321,9 +340,9 @@ order dictated by the ACL*. So if you have an ACL like this: .. code-block:: python :linenos: - from pyramid.security import Everyone from pyramid.security import Allow from pyramid.security import Deny + from pyramid.security import Everyone __acl__ = [ (Allow, Everyone, 'view'), @@ -359,8 +378,8 @@ ACE, as below. .. code-block:: python :linenos: - from pyramid.security import Everyone from pyramid.security import Allow + from pyramid.security import Everyone __acl__ = [ (Allow, Everyone, 'view'), @@ -507,7 +526,7 @@ example: .. code-block:: text - $ PYRAMID_DEBUG_AUTHORIZATION=1 bin/pserve myproject.ini + $ PYRAMID_DEBUG_AUTHORIZATION=1 $VENV/bin/pserve myproject.ini When any authorization takes place during a top-level view rendering, a message will be logged to the console (to stderr) about what ACE in diff --git a/docs/narr/sessions.rst b/docs/narr/sessions.rst index f7da7838e..fa4affd8a 100644 --- a/docs/narr/sessions.rst +++ b/docs/narr/sessions.rst @@ -29,7 +29,7 @@ during your :app:`Pyramid` configuration. A very basic, insecure sample session factory implementation is provided in the :app:`Pyramid` core. It uses a cookie to store session information. This implementation has the following -limitation: +limitations: - The session information in the cookies used by this implementation is *not* encrypted, so it can be viewed by anyone with access to the diff --git a/docs/narr/startup.rst b/docs/narr/startup.rst index f5c741f52..3a9225032 100644 --- a/docs/narr/startup.rst +++ b/docs/narr/startup.rst @@ -77,9 +77,9 @@ Here's a high-level time-ordered overview of what happens when you press Note that the constructor function accepts a ``global_config`` argument, which is a dictionary of key/value pairs mentioned in the ``[DEFAULT]`` - section of an ``.ini`` file (if `[DEFAULT] - <http://docs.pylonsproject.org/projects/pyramid/dev/narr/paste.html#defaults-section-of-a-pastedeploy-ini-file>`__ - is present). It also accepts a ``**settings`` argument, which collects + section of an ``.ini`` file + (if :ref:`[DEFAULT] <defaults_section_of_pastedeploy_file>` is present). + It also accepts a ``**settings`` argument, which collects another set of arbitrary key/value pairs. The arbitrary key/value pairs received by this function in ``**settings`` will be composed of all the key/value pairs that are present in the ``[app:main]`` section (except for diff --git a/docs/narr/subrequest.rst b/docs/narr/subrequest.rst index b5bc5ec48..033f045a6 100644 --- a/docs/narr/subrequest.rst +++ b/docs/narr/subrequest.rst @@ -6,9 +6,7 @@ Invoking a Subrequest ===================== -.. warning:: - - This feature was added in Pyramid 1.4a1. +.. versionadded:: 1.4 :app:`Pyramid` allows you to invoke a subrequest at any point during the processing of a request. Invoking a subrequest allows you to obtain a diff --git a/docs/narr/templates.rst b/docs/narr/templates.rst index 1cec26fbc..d4cf20b93 100644 --- a/docs/narr/templates.rst +++ b/docs/narr/templates.rst @@ -150,7 +150,6 @@ string, then return that string as the body of a :app:`Pyramid` For example, here's an example of using "raw" `Mako <http://www.makotemplates.org/>`_ from within a :app:`Pyramid` :term:`view`: -.. ignore-next-block .. code-block:: python :linenos: @@ -524,7 +523,7 @@ And ``templates/mytemplate.pt`` might look like so: Using A Chameleon Macro Name Within a Renderer Name ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -Sommetime you'd like to render a macro inside of a Chameleon ZPT template +At times, you may want to render a macro inside of a Chameleon ZPT template instead of the full Chameleon ZPT template. To render the content of a ``define-macro`` field inside a Chameleon ZPT template, given a Chameleon template file named ``foo.pt`` and a macro named ``bar`` defined within it @@ -543,9 +542,7 @@ template as a :term:`renderer` like so: The above will render only the ``bar`` macro defined within the ``foo.pt`` template instead of the entire template. -.. note:: - - This feature is new in Pyramid 1.4. +.. versionadded:: 1.4 .. index:: single: Chameleon text templates @@ -623,7 +620,7 @@ Debugging Templates ------------------- A :exc:`NameError` exception resulting from rendering a template with an -undefined variable (e.g. ``${wrong}``) might will end like this: +undefined variable (e.g. ``${wrong}``) might end up looking like this: .. code-block:: text @@ -743,9 +740,7 @@ configure the template as a :term:`renderer` like so: The above will render the ``bar`` def from within the ``foo.mak`` template instead of the entire template. -.. note:: - - This feature is new in Pyramid 1.4. +.. versionadded:: 1.4 .. index:: single: automatic reloading of templates @@ -775,7 +770,7 @@ variable set to ``1``, For example: .. code-block:: text - $ PYRAMID_RELOAD_TEMPLATES=1 bin/pserve myproject.ini + $ PYRAMID_RELOAD_TEMPLATES=1 $VENV/bin/pserve myproject.ini To use a setting in the application ``.ini`` file for the same purpose, set the ``pyramid.reload_templates`` key to ``true`` within the diff --git a/docs/narr/testing.rst b/docs/narr/testing.rst index 20017064b..0801a8eae 100644 --- a/docs/narr/testing.rst +++ b/docs/narr/testing.rst @@ -70,7 +70,7 @@ Test Set Up and Tear Down -------------------------- :app:`Pyramid` uses a "global" (actually :term:`thread local`) data structure -to hold on to two items: the current :term:`request` and the current +to hold two items: the current :term:`request` and the current :term:`application registry`. These data structures are available via the :func:`pyramid.threadlocal.get_current_request` and :func:`pyramid.threadlocal.get_current_registry` functions, respectively. diff --git a/docs/narr/threadlocals.rst b/docs/narr/threadlocals.rst index 909f643a0..5ff70565c 100644 --- a/docs/narr/threadlocals.rst +++ b/docs/narr/threadlocals.rst @@ -62,8 +62,7 @@ Because one :app:`Pyramid` application is permitted to call (perhaps as a :term:`WSGI` app with help from the :func:`pyramid.wsgi.wsgiapp2` decorator), these variables are managed in a *stack* during normal system operations. The stack -instance itself is a `threading.local -<http://docs.python.org/library/threading.html#threading.local>`_. +instance itself is a :class:`threading.local`. During normal operations, the thread locals stack is managed by a :term:`Router` object. At the beginning of a request, the Router diff --git a/docs/narr/traversal.rst b/docs/narr/traversal.rst index 8e7f93a1b..1234620c2 100644 --- a/docs/narr/traversal.rst +++ b/docs/narr/traversal.rst @@ -389,7 +389,7 @@ Using the :term:`view name` (``baz``) and the type, view lookup asks the Let's say that view lookup finds no matching view type. In this circumstance, the :app:`Pyramid` :term:`router` returns the result of the -:term:`not found view` and the request ends. +:term:`Not Found View` and the request ends. However, for this tree: diff --git a/docs/narr/upgrading.rst b/docs/narr/upgrading.rst index 20487b448..ca6dc565b 100644 --- a/docs/narr/upgrading.rst +++ b/docs/narr/upgrading.rst @@ -183,7 +183,7 @@ server run with the ``PYTHONWARNINGS`` environment variable set to .. code-block:: bash - $ PYTHONWARNINGS=default bin/pserve development.ini + $ PYTHONWARNINGS=default $VENV/bin/pserve development.ini On Windows, you need to issue two commands: diff --git a/docs/narr/urldispatch.rst b/docs/narr/urldispatch.rst index 46f908b7c..bcd5fff94 100644 --- a/docs/narr/urldispatch.rst +++ b/docs/narr/urldispatch.rst @@ -16,12 +16,13 @@ receives the :term:`request` and returns a :term:`response` object. High-Level Operational Overview ------------------------------- -If route configuration is present in an application, the :app:`Pyramid` +If any route configuration is present in an application, the :app:`Pyramid` :term:`Router` checks every incoming request against an ordered set of URL matching patterns present in a *route map*. If any route pattern matches the information in the :term:`request`, -:app:`Pyramid` will invoke :term:`view lookup` to find a matching view. +:app:`Pyramid` will invoke the :term:`view lookup` process to find a +matching view. If no route pattern in the route map matches the information in the :term:`request` provided in your application, :app:`Pyramid` will fail over @@ -38,7 +39,7 @@ application. A route has a *name*, which acts as an identifier to be used for URL generation. The name also allows developers to associate a view configuration with the route. A route also has a *pattern*, meant to match against the ``PATH_INFO`` portion of a URL (the portion following the scheme -and port, e.g. ``/foo/bar`` in the URL ``http://localhost:8080/foo/bar``). It +and port, e.g. ``/foo/bar`` in the URL `<http://localhost:8080/foo/bar>`_). It also optionally has a ``factory`` and a set of :term:`route predicate` attributes. @@ -54,7 +55,6 @@ The :meth:`pyramid.config.Configurator.add_route` method adds a single :term:`route configuration` to the :term:`application registry`. Here's an example: -.. ignore-next-block .. code-block:: python # "config" below is presumed to be an instance of the @@ -70,20 +70,18 @@ via its ``route_name`` predicate, that view callable will always be found and invoked when the associated route pattern matches during a request. More commonly, you will not use any ``add_view`` statements in your project's -"setup" code, instead only using ``add_route`` statements using a -:term:`scan` for to associate view callables with routes. For example, if +"setup" code. You will instead use ``add_route`` statements, and use a +:term:`scan` to associate view callables with routes. For example, if this is a portion of your project's ``__init__.py``: .. code-block:: python - # in your project's __init__.py (mypackage.__init__) - config.add_route('myroute', '/prefix/{one}/{two}') config.scan('mypackage') Note that we don't call :meth:`~pyramid.config.Configurator.add_view` in this setup code. However, the above :term:`scan` execution -``config.scan('mypackage')`` will pick up all :term:`configuration +``config.scan('mypackage')`` will pick up each :term:`configuration decoration`, including any objects decorated with the :class:`pyramid.view.view_config` decorator in the ``mypackage`` Python package. For example, if you have a ``views.py`` in your package, a scan will @@ -92,8 +90,6 @@ that references ``myroute`` as a ``route_name`` parameter: .. code-block:: python - # in your project's views.py module (mypackage.views) - from pyramid.view import view_config from pyramid.response import Response @@ -758,11 +754,8 @@ other non-``name`` and non-``pattern`` arguments to exception to this rule is use of the ``pregenerator`` argument, which is not ignored when ``static`` is ``True``. -.. note:: - - the ``static`` argument to - :meth:`~pyramid.config.Configurator.add_route` is new as of :app:`Pyramid` - 1.1. +.. versionadded:: 1.1 + the ``static`` argument to :meth:`~pyramid.config.Configurator.add_route` .. index:: single: redirecting to slash-appended routes @@ -821,7 +814,7 @@ bro." body. If a request enters the application with the ``PATH_INFO`` value of ``/has_slash/``, the second route will match. If a request enters the application with the ``PATH_INFO`` value of ``/has_slash``, a route *will* be -found by the slash-appending not found view. An HTTP redirect to +found by the slash-appending :term:`Not Found View`. An HTTP redirect to ``/has_slash/`` will be returned to the user's browser. As a result, the ``notfound`` view will never actually be called. @@ -856,12 +849,12 @@ exactly the same job: .. warning:: You **should not** rely on this mechanism to redirect ``POST`` requests. - The redirect of the slash-appending not found view will turn a ``POST`` - request into a ``GET``, losing any ``POST`` data in the original + The redirect of the slash-appending :term:`Not Found View` will turn a + ``POST`` request into a ``GET``, losing any ``POST`` data in the original request. See :ref:`view_module` and :ref:`changing_the_notfound_view` for a more -general description of how to configure a view and/or a not found view. +general description of how to configure a view and/or a :term:`Not Found View`. .. index:: pair: debugging; route matching @@ -882,8 +875,7 @@ which you started the application from. For example: .. code-block:: text :linenos: - [chrism@thinko pylonsbasic]$ PYRAMID_DEBUG_ROUTEMATCH=true \ - bin/pserve development.ini + $ PYRAMID_DEBUG_ROUTEMATCH=true $VENV/bin/pserve development.ini Starting server in PID 13586. serving on 0.0.0.0:6543 view at http://127.0.0.1:6543 2010-12-16 14:45:19,956 no route matched for url \ @@ -906,7 +898,7 @@ routes configured in your application; for more information, see Using a Route Prefix to Compose Applications -------------------------------------------- -.. note:: This feature is new as of :app:`Pyramid` 1.2. +.. versionadded:: 1.2 The :meth:`pyramid.config.Configurator.include` method allows configuration statements to be included from separate files. See diff --git a/docs/narr/viewconfig.rst b/docs/narr/viewconfig.rst index f00dae451..14a2fc807 100644 --- a/docs/narr/viewconfig.rst +++ b/docs/narr/viewconfig.rst @@ -38,11 +38,11 @@ A view configuration statement is made about information present in the View configuration is performed in one of two ways: -- by running a :term:`scan` against application source code which has a +- By running a :term:`scan` against application source code which has a :class:`pyramid.view.view_config` decorator attached to a Python object as per :ref:`mapping_views_using_a_decorator_section`. -- by using the :meth:`pyramid.config.Configurator.add_view` method as per +- By using the :meth:`pyramid.config.Configurator.add_view` method as per :ref:`mapping_views_using_imperative_config_section`. .. index:: @@ -62,13 +62,13 @@ particular view callable. :term:`View predicate` attributes are an important part of view configuration that enables the :term:`view lookup` subsystem to find and invoke the -appropriate view. The greater number of predicate attributes possessed by a +appropriate view. The greater the number of predicate attributes possessed by a view's configuration, the more specific the circumstances need to be before -the registered view callable will be invoked. The fewer number of predicates +the registered view callable will be invoked. The fewer the number of predicates which are supplied to a particular view configuration, the more likely it is that the associated view callable will be invoked. A view with five predicates will always be found and evaluated before a view with two, for -example. All predicates must match for the associated view to be called. +example. This does not mean however, that :app:`Pyramid` "stops looking" when it finds a view registration with predicates that don't match. If one set @@ -81,7 +81,7 @@ invoked. If no view can be found with predicates which allow it to be matched up with the request, :app:`Pyramid` will return an error to the user's browser, representing a "not found" (404) page. See :ref:`changing_the_notfound_view` -for more information about changing the default notfound view. +for more information about changing the default :term:`Not Found View`. Other view configuration arguments are non-predicate arguments. These tend to modify the response of the view callable or prevent the view callable from @@ -293,7 +293,7 @@ configured view. This value can be any string or a sequence of strings. A view declaration with this argument ensures that the view will only be called when the :term:`request` has a key in the ``request.params`` dictionary (an HTTP - ``GET`` or ``POST`` variable) that has a name which matches the a + ``GET`` or ``POST`` variable) that has a name which matches the supplied value. If any value supplied has a ``=`` sign in it, @@ -306,7 +306,7 @@ configured view. consideration of keys and values in the ``request.params`` dictionary. ``match_param`` - .. note:: This feature is new as of :app:`Pyramid` 1.2. + .. versionadded:: 1.2 This param may be either a single string of the format "key=value" or a dict of key/value pairs. @@ -475,7 +475,7 @@ Adding View Configuration Using the ``@view_config`` Decorator .. warning:: - Using this feature tends to slows down application startup slightly, as + Using this feature tends to slow down application startup slightly, as more work is performed at application startup to scan for view configuration declarations. For maximum startup performance, use the view configuration method described in @@ -488,7 +488,6 @@ acts as a :app:`Pyramid` view callable. Here's an example of the :class:`~pyramid.view.view_config` decorator that lives within a :app:`Pyramid` application module ``views.py``: -.. ignore-next-block .. code-block:: python :linenos: @@ -503,7 +502,6 @@ lives within a :app:`Pyramid` application module ``views.py``: Using this decorator as above replaces the need to add this imperative configuration stanza: -.. ignore-next-block .. code-block:: python :linenos: @@ -583,8 +581,7 @@ If your view callable is a function, it may be used as a function decorator: return Response('edited!') If your view callable is a class, the decorator can also be used as a class -decorator in Python 2.6 and better (Python 2.5 and below do not support class -decorators). All the arguments to the decorator are the same when applied +decorator. All the arguments to the decorator are the same when applied against a class as when they are applied against a function. For example: .. code-block:: python @@ -601,25 +598,6 @@ against a class as when they are applied against a function. For example: def __call__(self): return Response('hello') -You can use the :class:`~pyramid.view.view_config` decorator as a simple -callable to manually decorate classes in Python 2.5 and below without the -decorator syntactic sugar, if you wish: - -.. code-block:: python - :linenos: - - from pyramid.response import Response - from pyramid.view import view_config - - class MyView(object): - def __init__(self, request): - self.request = request - - def __call__(self): - return Response('hello') - - my_view = view_config(route_name='hello')(MyView) - More than one :class:`~pyramid.view.view_config` decorator can be stacked on top of any number of others. Each decorator creates a separate view registration. For example: @@ -706,11 +684,10 @@ this method are very similar to the arguments that you provide to the # pyramid.config.Configurator class config.add_view(hello_world, route_name='hello') -The first argument, ``view``, is required. It must either be a Python object -which is the view itself or a :term:`dotted Python name` to such an object. -In the above example, ``view`` is the ``hello_world`` function. All other -arguments are optional. See :meth:`pyramid.config.Configurator.add_view` for -more information. +The first argument, a :term:`view callable`, is the only required argument. +It must either be a Python object which is the view itself or a +:term:`dotted Python name` to such an object. +In the above example, the ``view callable`` is the ``hello_world`` function. When you use only :meth:`~pyramid.config.Configurator.add_view` to add view configurations, you don't need to issue a :term:`scan` in order for the view @@ -724,9 +701,7 @@ configuration to take effect. ``@view_defaults`` Class Decorator ---------------------------------- -.. note:: - - This feature is new in Pyramid 1.3. +.. versionadded:: 1.3 If you use a class as a view, you can use the :class:`pyramid.view.view_defaults` class decorator on the class to provide @@ -952,7 +927,7 @@ for more information about how, and where to set these values. Influencing HTTP Caching ------------------------ -.. note:: This feature is new in Pyramid 1.1. +.. versionadded:: 1.1 When a non-``None`` ``http_cache`` argument is passed to a view configuration, Pyramid will set ``Expires`` and ``Cache-Control`` response diff --git a/docs/narr/views.rst b/docs/narr/views.rst index 4f30bb7fa..5a7be15b0 100644 --- a/docs/narr/views.rst +++ b/docs/narr/views.rst @@ -176,7 +176,7 @@ exception` objects. HTTP Exceptions ~~~~~~~~~~~~~~~ -All classes documented in the :mod:`pyramid.httpexceptions` module documented +All :mod:`pyramid.httpexceptions` classes which are documented as inheriting from the :class:`pyramid.httpexceptions.HTTPException` are :term:`http exception` objects. Instances of an HTTP exception object may either be *returned* or *raised* from within view code. In either case @@ -227,8 +227,8 @@ equivalent to ``raise HTTPUnauthorized()``. Documentation which maps each HTTP response code to its purpose and its associated HTTP exception object is provided within :mod:`pyramid.httpexceptions`. -.. note:: The :func:`~pyramid.httpexceptions.exception_response` function is - new as of Pyramid 1.1. +.. versionadded:: 1.1 + The :func:`~pyramid.httpexceptions.exception_response` function. How Pyramid Uses HTTP Exceptions ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -236,12 +236,11 @@ How Pyramid Uses HTTP Exceptions HTTP exceptions are meant to be used directly by application developers. However, Pyramid itself will raise two HTTP exceptions at various points during normal operations: -:exc:`pyramid.httpexceptions.HTTPNotFound` and -:exc:`pyramid.httpexceptions.HTTPForbidden`. Pyramid will raise the -:exc:`~pyramid.httpexceptions.HTTPNotFound` exception are raised when it -cannot find a view to service a request. Pyramid will raise the -:exc:`~pyramid.httpexceptions.Forbidden` exception or when authorization was -forbidden by a security policy. + +* :exc:`~pyramid.httpexceptions.HTTPNotFound` + gets raised when a view to service a request is not found. +* :exc:`~pyramid.httpexceptions.HTTPForbidden` + gets raised when authorization was forbidden by a security policy. If :exc:`~pyramid.httpexceptions.HTTPNotFound` is raised by Pyramid itself or within view code, the result of the :term:`Not Found View` will be returned @@ -265,9 +264,9 @@ also be used by application developers to convert arbitrary exceptions to responses. To register a view that should be called whenever a particular exception is -raised from with :app:`Pyramid` view code, use the exception class or one of -its superclasses as the ``context`` of a view configuration which points at a -view callable you'd like to generate a response. +raised from within :app:`Pyramid` view code, use the exception class (or one of +its superclasses) as the :term:`context` of a view configuration which points +at a view callable you'd like to generate a response for. For example, given the following exception class in a module named ``helloworld.exceptions``: @@ -354,7 +353,7 @@ Exception views can be configured with any view registration mechanism: .. _http_redirect: -Using a View Callable to Do an HTTP Redirect +Using a View Callable to do an HTTP Redirect -------------------------------------------- You can issue an HTTP redirect by using the @@ -525,7 +524,6 @@ The :term:`context` and :term:`request` arguments passed to a view function defined in this style can be defined as follows: context - The :term:`resource` object found via tree :term:`traversal` or :term:`URL dispatch`. @@ -538,41 +536,41 @@ The following types work as view callables in this style: e.g.: .. code-block:: python - :linenos: + :linenos: - from pyramid.response import Response + from pyramid.response import Response - def view(context, request): - return Response('OK') + def view(context, request): + return Response('OK') #. Classes that have an ``__init__`` method that accepts ``context, request`` and a ``__call__`` method which accepts no arguments, e.g.: .. code-block:: python - :linenos: + :linenos: - from pyramid.response import Response + from pyramid.response import Response - class view(object): - def __init__(self, context, request): - self.context = context - self.request = request + class view(object): + def __init__(self, context, request): + self.context = context + self.request = request - def __call__(self): - return Response('OK') + def __call__(self): + return Response('OK') #. Arbitrary callables that have a ``__call__`` method that accepts ``context, request``, e.g.: .. code-block:: python - :linenos: + :linenos: - from pyramid.response import Response + from pyramid.response import Response - class View(object): - def __call__(self, context, request): - return Response('OK') - view = View() # this is the view callable + class View(object): + def __call__(self, context, request): + return Response('OK') + view = View() # this is the view callable This style of calling convention is most useful for :term:`traversal` based applications, where the context object is frequently used within the view diff --git a/docs/narr/webob.rst b/docs/narr/webob.rst index a8c11acec..63a08adaa 100644 --- a/docs/narr/webob.rst +++ b/docs/narr/webob.rst @@ -251,7 +251,7 @@ API documentation for a multidict exists as Dealing With A JSON-Encoded Request Body ++++++++++++++++++++++++++++++++++++++++ -.. note:: this feature is new as of Pyramid 1.1. +.. versionadded:: 1.1 :attr:`pyramid.request.Request.json_body` is a property that returns a :term:`JSON` -decoded representation of the request body. If the request @@ -326,7 +326,6 @@ package that uses SQLAlchemy, and you'd like the current SQLAlchemy database session to be removed after each request. Put the following in the ``mypackage.__init__`` module: -.. ignore-next-block .. code-block:: python :linenos: @@ -491,7 +490,6 @@ reason for the error. For instance, :class:`pyramid.Response`, so you can manipulate the instances in the same way. A typical example is: -.. ignore-next-block .. code-block:: python :linenos: diff --git a/docs/narr/zca.rst b/docs/narr/zca.rst index f7707ea29..5499cf4a5 100644 --- a/docs/narr/zca.rst +++ b/docs/narr/zca.rst @@ -21,7 +21,6 @@ application can be opaque. For example, here is a typical "unnamed utility" lookup using the :func:`zope.component.getUtility` global API as it might appear in a traditional Zope application: -.. ignore-next-block .. code-block:: python :linenos: |
