diff options
Diffstat (limited to 'docs/narr')
| -rw-r--r-- | docs/narr/commandline.rst | 31 | ||||
| -rw-r--r-- | docs/narr/hooks.rst | 29 | ||||
| -rw-r--r-- | docs/narr/install.rst | 5 | ||||
| -rw-r--r-- | docs/narr/introduction.rst | 2 |
4 files changed, 43 insertions, 24 deletions
diff --git a/docs/narr/commandline.rst b/docs/narr/commandline.rst index 6cd90d42f..242bc7ec7 100644 --- a/docs/narr/commandline.rst +++ b/docs/narr/commandline.rst @@ -649,6 +649,10 @@ using the :func:`pyramid.paster.bootstrap` command in the body of your script. .. versionadded:: 1.1 :func:`pyramid.paster.bootstrap` +.. versionchanged:: 1.8 + Added the ability for ``bootstrap`` to cleanup automatically via the + ``with`` statement. + In the simplest case, :func:`pyramid.paster.bootstrap` can be used with a single argument, which accepts the :term:`PasteDeploy` ``.ini`` file representing your Pyramid application's configuration as a single argument: @@ -656,8 +660,9 @@ representing your Pyramid application's configuration as a single argument: .. code-block:: python from pyramid.paster import bootstrap - env = bootstrap('/path/to/my/development.ini') - print(env['request'].route_url('home')) + + with bootstrap('/path/to/my/development.ini') as env: + print(env['request'].route_url('home')) :func:`pyramid.paster.bootstrap` returns a dictionary containing framework-related information. This dictionary will always contain a @@ -723,8 +728,9 @@ load instead of ``main``: .. code-block:: python from pyramid.paster import bootstrap - env = bootstrap('/path/to/my/development.ini#another') - print(env['request'].route_url('home')) + + with bootstrap('/path/to/my/development.ini#another') as env: + print(env['request'].route_url('home')) The above example specifies the ``another`` ``app``, ``pipeline``, or ``composite`` section of your PasteDeploy configuration file. The ``app`` @@ -761,9 +767,9 @@ desired request and passing it into :func:`~pyramid.paster.bootstrap`: from pyramid.request import Request request = Request.blank('/', base_url='https://example.com/prefix') - env = bootstrap('/path/to/my/development.ini#another', request=request) - print(env['request'].application_url) - # will print 'https://example.com/prefix' + with bootstrap('/path/to/my/development.ini#another', request=request) as env: + print(env['request'].application_url) + # will print 'https://example.com/prefix' Now you can readily use Pyramid's APIs for generating URLs: @@ -776,7 +782,9 @@ Now you can readily use Pyramid's APIs for generating URLs: Cleanup ~~~~~~~ -When your scripting logic finishes, it's good manners to call the ``closer`` +If you're using the ``with``-statement variant then there's nothing to +worry about. However if you're using the returned environment directly then +when your scripting logic finishes, it's good manners to call the ``closer`` callback: .. code-block:: python @@ -891,15 +899,12 @@ contains the following code: omit = options.omit if omit is None: omit = [] - env = bootstrap(config_uri) - settings, closer = env['registry'].settings, env['closer'] - try: + with bootstrap(config_uri) as env: + settings = env['registry'].settings for k, v in settings.items(): if any([k.startswith(x) for x in omit]): continue print('%-40s %-20s' % (k, v)) - finally: - closer() This script uses the Python ``optparse`` module to allow us to make sense out of extra arguments passed to the script. It uses the diff --git a/docs/narr/hooks.rst b/docs/narr/hooks.rst index c54b213f1..6d0a2a5a3 100644 --- a/docs/narr/hooks.rst +++ b/docs/narr/hooks.rst @@ -1481,7 +1481,7 @@ method. For example: phash = text def __call__(self, context, request): - return getattr(context, 'content_type', None) == self.val + return request.content_type == self.val The constructor of a predicate factory takes two arguments: ``val`` and ``config``. The ``val`` argument will be the argument passed to @@ -1500,13 +1500,28 @@ with the name and the value serialized. The result of ``phash`` is not seen in output anywhere, it just informs the uniqueness constraints for view configuration. -The ``__call__`` method of a predicate factory must accept a resource -(``context``) and a request, and must return ``True`` or ``False``. It is the -"meat" of the predicate. +The ``__call__`` method differs depending on whether the predicate is used as +a :term:`view predicate` or a :term:`route predicate`: -You can use the same predicate factory as both a view predicate and as a route -predicate, but you'll need to call ``add_view_predicate`` and -``add_route_predicate`` separately with the same factory. +- When used as a route predicate, the ``__call__`` signature is + ``(info, request)``. The ``info`` object is a dictionary containing two + keys: ``match`` and ``route``. ``info['match']`` is the matchdict containing + the patterns matched in the route pattern. ``info['route']`` is the + :class:`pyramid.interfaces.IRoute` object for the current route. + +- When used as a view predicate, the ``__call__`` signature is + ``(context, request)``. The ``context`` is the result of :term:`traversal` + performed using either the route's :term:`root factory` or the app's + :term:`default root factory`. + +In both cases the ``__call__`` method is expected to return ``True`` or +``False``. + +It is possible to use the same predicate factory as both a view predicate and +as a route predicate, but they'll need to handle the ``info`` or ``context`` +argument specially (many predicates do not need this argument) and you'll need +to call ``add_view_predicate`` and ``add_route_predicate`` separately with +the same factory. .. _subscriber_predicates: diff --git a/docs/narr/install.rst b/docs/narr/install.rst index c59ced2a5..677c27e4a 100644 --- a/docs/narr/install.rst +++ b/docs/narr/install.rst @@ -21,9 +21,8 @@ the following sections. .. sidebar:: Python Versions - As of this writing, :app:`Pyramid` has been tested under Python 2.7, - Python 3.3, Python 3.4, Python 3.5, PyPy, and PyPy3. :app:`Pyramid` does - not run under any version of Python before 2.7. + As of this writing, :app:`Pyramid` is tested against Python 2.7, + Python 3.4, Python 3.5, PyPy. :app:`Pyramid` is known to run on all popular UNIX-like systems such as Linux, Mac OS X, and FreeBSD, as well as on Windows platforms. It is also known to diff --git a/docs/narr/introduction.rst b/docs/narr/introduction.rst index de6ac408b..47638579b 100644 --- a/docs/narr/introduction.rst +++ b/docs/narr/introduction.rst @@ -860,7 +860,7 @@ Every release of Pyramid has 100% statement coverage via unit and integration tests, as measured by the ``coverage`` tool available on PyPI. It also has greater than 95% decision/condition coverage as measured by the ``instrumental`` tool available on PyPI. It is automatically tested by Travis, -and Jenkins on Python 2.7, Python 3.3, Python 3.4, Python 3.5, PyPy, and PyPy3 +and Jenkins on Python 2.7, Python 3.4, Python 3.5, and PyPy after each commit to its GitHub repository. Official Pyramid add-ons are held to a similar testing standard. We still find bugs in Pyramid and its official add-ons, but we've noticed we find a lot more of them while working on other |