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"either" implies there is an alternative to one of the listed strings (perhaps that you can pass some other kind of value such as a sequence of allowed request methods - which is not the case).
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attributes deprecated for ``pyramid.request.Request`` are accessed (like
``response_content_type``). This is for the benefit of folks running unit
tests which use DummyRequest instead of a "real" request, so they know
things are deprecated without necessarily needing a functional test suite.
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preprocessor to be specified as a Python callable or Python dotted name.
See https://github.com/Pylons/pyramid/pull/183 for rationale.
Closes #183.
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(e.g. ``response_content_type``) now issues a deprecation warning at access
time rather than at rendering time.
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``config.add_translation_dirs``, the directories were inserted into the
beginning of the directory list in the wrong order: they were inserted in
the reverse of the order they were provided in the ``*specs`` list (items
later in the list trumped ones earlier in the list). This is now fixed.
Note however, that later calls to ``config.add_translation_dirs`` continue
to insert directories into the beginning of the list of translation
directories created by earlier calls. This means that the same translation
found in a directory added via ``add_translation_dirs`` later in the
configuration process will be found before one added earlier via a separate
call to ``add_translation_dirs`` in the configuration process.
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``environ['repoze.bfg.message']`` when it caught a view-related exception
for backwards compatibility with :mod:`repoze.bfg` during error handling.
It did this by using code that looked like so::
# "why" is an exception object
try:
msg = why[0]
except:
msg = ''
environ['repoze.bfg.message'] = msg
Use of the value ``environ['repoze.bfg.message']`` was docs-deprecated in
Pyramid 1.0. Our standing policy is to not remove features after a
deprecation for two full major releases, so this code was originally slated
to be removed in Pyramid 1.2. However, computing the
``repoze.bfg.message`` value was the source of at least one bug found in
the wild (https://github.com/Pylons/pyramid/issues/199), and there isn't a
foolproof way to both preserve backwards compatibility and to fix the bug.
Therefore, the code which sets the value has been removed in this release.
Code in exception views which relies on this value's presence in the
environment should now use the ``exception`` attribute of the request
(e.g. ``request.exception[0]``) to retrieve the message instead of relying
on ``request.environ['repoze.bfg.message']``.
Closes #199.
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webob.exc.WSGIHTTPException (convenience).
- Use ``exc.message`` in docs rather than ``exc.args[0]`` now that
we control this.
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ensure they all work.
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- The ``pyramid.httpexceptions`` classes named ``HTTPFound``,
``HTTPMultipleChoices``, ``HTTPMovedPermanently``, ``HTTPSeeOther``,
``HTTPUseProxy``, and ``HTTPTemporaryRedirect`` now accept ``location`` as
their first positional argument rather than ``detail``. This means that
you can do, e.g. ``return pyramid.httpexceptions.HTTPFound('http://foo')``
rather than ``return
pyramid.httpexceptions.HTTPFound(location='http//foo')`` (the latter will
of course continue to work).
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exception responses.
- Add note about why we've created a shadow exception hierarchy
parallel to that of webob.exc.
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should be used instead of the ``pyramid.view.is_response`` function, which
has been deprecated.
- Deprecated ``pyramid.view.is_response`` function in favor of (newly-added)
``pyramid.request.Request.is_response`` method. Determining if an object
is truly a valid response object now requires access to the registry, which
is only easily available as a request attribute. The
``pyramid.view.is_response`` function will still work until it is removed,
but now may return an incorrect answer under some (very uncommon)
circumstances.
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- Fix Configurator docstring wrt exception responses.
- Speed up registry.queryAdapterOrSelf
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abstraction.
- It is now possible to return an arbitrary object from a Pyramid view
callable even if a renderer is not used, as long as a suitable adapter to
``pyramid.interfaces.IResponse`` is registered for the type of the returned
object. See the section in the Hooks chapter of the documentation entitled
"Changing How Pyramid Treats View Responses".
- The Pyramid router now, by default, expects response objects returned from
view callables to implement the ``pyramid.interfaces.IResponse`` interface.
Unlike the Pyramid 1.0 version of this interface, objects which implement
IResponse now must define a ``__call__`` method that accepts ``environ``
and ``start_response``, and which returns an ``app_iter`` iterable, among
other things. Previously, it was possible to return any object which had
the three WebOb ``app_iter``, ``headerlist``, and ``status`` attributes as
a response, so this is a backwards incompatibility. It is possible to get
backwards compatibility back by registering an adapter to IResponse from
the type of object you're now returning from view callables. See the
section in the Hooks chapter of the documentation entitled "Changing How
Pyramid Treats View Responses".
- The ``pyramid.interfaces.IResponse`` interface is now much more extensive.
Previously it defined only ``app_iter``, ``status`` and ``headerlist``; now
it is basically intended to directly mirror the ``webob.Response`` API,
which has many methods and attributes.
- Documentation changes to support above.
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method which implements the WSGI application interface
instead of the three webob attrs status, headerlist
and app_iter. Backwards compatibility exists for
code which returns response objects that do not
have a __call__.
- pyramid.response.Response is no longer an exception
(and therefore cannot be raised in order to generate
a response).
- Changed my mind about moving stuff from pyramid.httpexceptions
to pyramid.response. The stuff I moved over has been moved
back to pyramid.httpexceptions.
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Language fallback support
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``start_response`` callable and obtains the WSGI ``app_iter`` based on
adapting the response object to the new ``pyramid.interfaces.IResponder``
interface. The default ``IResponder`` uses Pyramid 1.0's logic to do this.
To override the responder::
from pyramid.interfaces import IResponder
from pyramid.response import Response
from myapp import MyResponder
config.registry.registerAdapter(MyResponder, (Response,),
IResponder, name='')
This makes it possible to reuse response object implementations which have,
for example, their own ``__call__`` expected to be used as a WSGI
application (like ``pyramid.response.Response``), e.g.:
class MyResponder(object):
def __init__(self, response):
""" Obtain a reference to the response """
self.response = response
def __call__(self, request, start_response):
""" Call start_response and return an app_iter """
app_iter = self.response(request.environ, start_response)
return app_iter
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pyramid.response
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Fixed a bug in dispatch matching * at the end of a route.
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- The ``pyramid.request.Request`` class now has a ``ResponseClass`` interface
which points at ``pyramid.response.Response``.
- The ``pyramid.request.Response`` class now has a ``RequestClass`` interface
which points at ``pyramid.response.Request``.
- ``pyramid.response.Response`` is now a *subclass* of
``webob.response.Response``. It also inherits from the built-in Python
``Exception`` class and implements the
``pyramid.interfaces.IExceptionResponse`` class so it can be raised as an
exception from view code.
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If there was another * in the pattern the check would fail, causing the
final wildcard to be ignored.
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