unreleased
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==========
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Features
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--------
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- Allow the ``append_slash`` argument of ``config.add_notfound_view`` to be
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the special value ``pyramid.view.UseSubrequest``, which will cause
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Pyramid to do a subrequest rather than a redirect when a slash-appended
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route is found associated with a view, rather than a redirect.
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- Add a ``_depth`` and ``_category`` arguments to all of the venusian
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decorators. The ``_category`` argument can be used to affect which actions
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are registered when performing a ``config.scan(..., category=...)`` with a
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specific category. The ``_depth`` argument should be used when wrapping
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the decorator in your own. This change affects ``pyramid.view.view_config``,
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``pyramid.view.exception_view_config``,
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``pyramid.view.forbidden_view_config``, ``pyramid.view.notfound_view_config``,
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``pyramid.events.subscriber`` and ``pyramid.response.response_adapter``
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decorators. See https://github.com/Pylons/pyramid/pull/3105 and
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https://github.com/Pylons/pyramid/pull/3122
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- Fix the ``pyramid.request.Request`` class name after using
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``set_property`` or ``config.add_request_method`` such that the
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``str(request.__class__)`` would appear as ``pyramid.request.Request``
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instead of ``pyramid.util.Request``.
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See https://github.com/Pylons/pyramid/pull/3129
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- In ``cherrypy_server_runner``, prefer imports from the ``cheroot`` package
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over the legacy imports from `cherrypy.wsgiserver`.
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See https://github.com/Pylons/pyramid/pull/3235
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- Add a context manager ``route_prefix_context`` to the
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``pyramid.config.Configurator`` to allow for convenient setting of the
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route_prefix for ``include`` and ``add_route`` calls inside the context.
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See https://github.com/Pylons/pyramid/pull/3279
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- Modify the builtin session implementations to support SameSite options on
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cookies and set the default to ``'Lax'``. This affects
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``pyramid.session.BaseCookieSessionFactory``,
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``pyramid.session.SignedCookieSessionFactory``, and
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``pyramid.session.UnencryptedCookieSessionFactoryConfig``.
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See https://github.com/Pylons/pyramid/pull/3300
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- Added new ``pyramid.httpexceptions.HTTPPermanentRedirect``
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exception/response object for a HTTP 308 redirect.
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See https://github.com/Pylons/pyramid/pull/3302
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Bug Fixes
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---------
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- Set appropriate ``code`` and ``title`` attributes on the ``HTTPClientError``
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and ``HTTPServerError`` exception classes. This prevents inadvertently
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returning a 520 error code.
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See https://github.com/Pylons/pyramid/pull/3280
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- Replace ``webob.acceptparse.MIMEAccept`` from WebOb with
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``webob.acceptparse.create_accept_header`` in the HTTP exception handling
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code. The old ``MIMEAccept`` has been deprecated. The new methods follow the
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RFC's more closely. See https://github.com/Pylons/pyramid/pull/3251
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Deprecations
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------------
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Backward Incompatibilities
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--------------------------
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- On Python 3.4+ the ``repoze.lru`` dependency is dropped. If you were using
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this package directly in your apps you should make sure that you are
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depending on it directly within your project.
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See https://github.com/Pylons/pyramid/pull/3140
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- Remove the ``permission`` argument from
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``pyramid.config.Configurator.add_route``. This was an argument left over
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from a feature removed in Pyramid 1.5 and has had no effect since then.
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See https://github.com/Pylons/pyramid/pull/3299
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- Modify the builtin session implementations to set ``SameSite='Lax'`` on
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cookies. This affects ``pyramid.session.BaseCookieSessionFactory``,
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``pyramid.session.SignedCookieSessionFactory``, and
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``pyramid.session.UnencryptedCookieSessionFactoryConfig``.
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See https://github.com/Pylons/pyramid/pull/3300
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Documentation Changes
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---------------------
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- Bump Sphinx to >= 1.7.4 in setup.py to support ``emphasize-lines`` in PDFs
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and to pave the way for xelatex support. See
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https://github.com/Pylons/pyramid/pull/3271,
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https://github.com/Pylons/pyramid/issues/667, and
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https://github.com/Pylons/pyramid/issues/2572
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