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Update pyramid to 1.8 #1684

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commented Jan 22, 2017

There's a new version of pyramid available.
You are currently using 1.7.3. I have updated it to 1.8

These links might come in handy: PyPI | Changelog | Homepage




  • No major changes from 1.8b1.




  • Added an override option to config.add_translation_dirs to allow
    later calls to place translation directories at a higher priority than
    earlier calls. See Pylons/pyramid#2902

Documentation Changes

  • Improve registry documentation to discuss uses as a component registry
    and as a dictionary. See Pylons/pyramid#2893
  • Fix unittests in wiki2 to work without different dependencies between
    py2 and py3. See Pylons/pyramid#2899
  • Update Windows documentation to track newer Python 3 improvements to the
    installer. See Pylons/pyramid#2900



Backward Incompatibilities

  • Support for the IContextURL interface that was deprecated in Pyramid 1.3
    has been removed. See Pylons/pyramid#2822
  • Following the Pyramid deprecation period (1.6 -> 1.8),
    daemon support for pserve has been removed. This includes removing the
    daemon commands (start, stop, restart, status) as well as the following
    arguments: --daemon, --pid-file, --log-file,
    --monitor-restart, --status, --user, --group,

To run your server as a daemon you should use a process manager instead of

See Pylons/pyramid#2615

  • pcreate is now interactive by default. You will be prompted if a file
    already exists with different content. Previously if there were similar
    files it would silently skip them unless you specified --interactive
    or --overwrite.
    See Pylons/pyramid#2775
  • Removed undocumented argument cachebust_match from
    pyramid.static.static_view. This argument was shipped accidentally
    in Pyramid 1.6. See Pylons/pyramid#2681
  • Change static view to avoid setting the Content-Encoding response header
    to an encoding guessed using Python's mimetypes module. This was causing
    clients to decode the content of gzipped files when downloading them. The
    client would end up with a foo.txt.gz file on disk that was already
    decoded, thus should really be foo.txt. Also, the Content-Encoding
    should only have been used if the client itself broadcast support for the
    encoding via Accept-Encoding request headers.
    See Pylons/pyramid#2810
  • Settings are no longer accessible as attributes on the settings object
    (e.g. This was deprecated in Pyramid 1.2.
    See Pylons/pyramid#2823


  • pcreate learned about --package-name to allow you to create a new
    project in an existing folder with a different package name than the project
    name. See Pylons/pyramid#2783
  • The _get_credentials private method of BasicAuthAuthenticationPolicy
    has been extracted into standalone function extract_http_basic_credentials
    in pyramid.authentication module, this function extracts HTTP Basic
    credentials from a request object, and returns them as a named tuple.
    See Pylons/pyramid#2662
  • Pyramid 1.4 silently dropped a feature of the configurator that has been
    restored. It's again possible for action discriminators to conflict across
    different action orders.
    See Pylons/pyramid#2757
  • pyramid.paster.bootstrap and its sibling pyramid.scripting.prepare
    can now be used as context managers to automatically invoke the closer
    and pop threadlocals off of the stack to prevent memory leaks.
    See Pylons/pyramid#2760
  • Added pyramid.config.Configurator.add_exception_view and the
    pyramid.view.exception_view_config decorator. It is now possible using
    these methods or via the new exception_only=True option to add_view
    to add a view which will only be matched when handling an exception.
    Previously any exception views were also registered for a traversal
    context that inherited from the exception class which prevented any
    exception-only optimizations.
    See Pylons/pyramid#2660
  • Added the exception_only boolean to
    pyramid.interfaces.IViewDeriverInfo which can be used by view derivers
    to determine if they are wrapping a view which only handles exceptions.
    This means that it is no longer necessary to perform request-time checks
    for request.exception to determine if the view is handling an exception
  • the pipeline can be optimized at config-time.
    See Pylons/pyramid#2660
  • pserve should now work with gevent and other workers that need
    to monkeypatch the process, assuming the server and / or the app do so
    as soon as possible before importing the rest of pyramid.
    See Pylons/pyramid#2797
  • Pyramid no longer copies the settings object passed to the
    pyramid.config.Configurator(settings=). The original dict is kept.
    See Pylons/pyramid#2823
  • The csrf trusted origins setting may now be a whitespace-separated list of
    domains. Previously only a python list was allowed. Also, it can now be set
    using the PYRAMID_CSRF_TRUSTED_ORIGINS environment variable similar to
    other settings. See Pylons/pyramid#2823
  • pserve --reload now uses the
    hupper <>
    library to monitor file changes. This comes with many improvements:
  • If the watchdog <>_ package is
    installed then monitoring will be done using inotify instead of
    cpu and disk-intensive polling.
  • The monitor is now a separate process that will not crash and starts up
    before any of your code.
  • The monitor will not restart the process after a crash until a file is
  • The monitor works on windows.
  • You can now trigger a reload manually from a pyramid view or any other
    code via hupper.get_reloader().trigger_reload(). Kind of neat.
  • You can trigger a reload by issuing a SIGHUP to the monitor process.

See Pylons/pyramid#2805

  • A new [pserve] section is supported in your config files with a
    watch_files key that can configure pserve --reload to monitor custom
    file paths. See Pylons/pyramid#2827
  • Allow streaming responses to be made from subclasses of
    pyramid.httpexceptions.HTTPException. Previously the response would
    be unrolled while testing for a body, making it impossible to stream
    a response.
    See Pylons/pyramid#2863
  • Update starter, alchemy and zodb scaffolds to support IPv6 by using the
    new listen directives in waitress.
    See Pylons/pyramid#2853
  • All p* scripts now use argparse instead of optparse. This improves their
    --help output as well as enabling nicer documentation of their options.
    See Pylons/pyramid#2864
  • Any deferred configuration action registered via config.action may now
    depend on threadlocal state, such as asset overrides, being active when
    the action is executed.
    See Pylons/pyramid#2873
  • Asset specifications for directories passed to
    config.add_translation_dirs now support overriding the entire asset
    specification, including the folder name. Previously only the package name
    was supported and the folder would always need to have the same name.
    See Pylons/pyramid#2873
  • config.begin() will propagate the current threadlocal request through
    as long as the registry is the same. For example:

.. code-block:: python

request = Request.blank(...)
config.begin(request)   pushes a request
config.begin()          propagates the previous request through unchanged
assert get_current_request() is request

See Pylons/pyramid#2873

Bug Fixes

  • Fixed bug in proutes such that it now shows the correct view when a
    class and attr is involved.
    See: Pylons/pyramid#2687
  • Fix a FutureWarning in Python 3.5 when using re.split on the
    format setting to the proutes script.
    See Pylons/pyramid#2714
  • Fix a RuntimeWarning emitted by WebOb when using arbitrary objects
    as the userid in the AuthTktAuthenticationPolicy. This is now caught
    by the policy and the object is serialized as a base64 string to avoid
    the cryptic warning. Since the userid will be read back as a string on
    subsequent requests a more useful warning is emitted encouraging you to
    use a primitive type instead.
    See Pylons/pyramid#2715
  • Pyramid 1.6 introduced the ability for an action to invoke another action.
    There was a bug in the way that config.add_view would interact with
    custom view derivers introduced in Pyramid 1.7 because the view's
    discriminator cannot be computed until view derivers and view predicates
    have been created in earlier orders. Invoking an action from another action
    would trigger an unrolling of the pipeline and would compute discriminators
    before they were ready. The new behavior respects the order of the action
    and ensures the discriminators are not computed until dependent actions
    from previous orders have executed.
    See Pylons/pyramid#2757
  • Fix bug in i18n where the default domain would always use the Germanic plural
    style, even if a different plural function is defined in the relevant
    messages file. See Pylons/pyramid#2859
  • The config.override_asset method now occurs during
    pyramid.config.PHASE1_CONFIG such that it is ordered to execute before
    any calls to config.add_translation_dirs.
    See Pylons/pyramid#2873


  • The pcreate script and related scaffolds have been deprecated in favor
    of the popular
    cookiecutter <>_ project.

All of Pyramid's official scaffolds as well as the tutorials have been
ported to cookiecutters:

  • pyramid-cookiecutter-starter <>_
  • pyramid-cookiecutter-alchemy <>_
  • pyramid-cookiecutter-zodb <>_

See Pylons/pyramid#2780

Documentation Changes

  • Add pyramid_nacl_session <>_
    to session factories. See Pylons/pyramid#2791
  • Update HACKING.txt from stale branch that was never merged to master.
    See Pylons/pyramid#2782
  • Fix an inconsistency in the documentation between view predicates and
    route predicates and highlight the differences in their APIs.
    See Pylons/pyramid#2764
  • Clarify a possible misuse of the headers kwarg to subclasses of
    pyramid.httpexceptions.HTTPException in which more appropriate
    kwargs from the parent class pyramid.response.Response should be
    used instead. See Pylons/pyramid#2750
  • The SQLAlchemy + URL Dispatch + Jinja2 (wiki2) and
    ZODB + Traversal + Chameleon (wiki) tutorials have been updated to
    utilize the new cookiecutters and drop support for the pcreate

See Pylons/pyramid#2881 and

  • Quick Tour updated to use cookiecutters instead of pcreate and scaffolds.
    See Pylons/pyramid#2888

Got merge conflicts? Close this PR and delete the branch. I'll create a new PR for you.

Happy merging! 馃


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commented Jan 25, 2017

Closing this in favor of #1699

@pyup-bot pyup-bot closed this Jan 25, 2017

@dstufft dstufft deleted the pyup-update-pyramid-1.7.3-to-1.8 branch Jan 25, 2017

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