Update django-debug-toolbar to 2.0

[pyup-bot]

This PR updates django-debug-toolbar from 1.10.1 to 2.0.

Changelog

2.0

----------------

* Updated ``StaticFilesPanel`` to be compatible with Django 3.0.
* The ``ProfilingPanel`` is now enabled but inactive by default.
* Fixed toggling of table rows in the profiling panel UI.
* The ``ProfilingPanel`` no longer skips remaining panels or middlewares.
* Improved the installation documentation.
* Fixed a possible crash in the template panel.
* Added support for psycopg2 ``Composed`` objects.
* Changed the Jinja2 tests to use Django's own Jinja2 template backend.
* Added instrumentation to queries using server side cursors.
* Too many small improvements and cleanups to list them all.

**Backwards incompatible changes**
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* Removed support for Python 2.
* Removed support for Django's deprecated ``MIDDLEWARE_CLASSES`` setting.
* Restructured ``Panel`` to execute more like the new-style Django MIDDLEWARE.
The ``Panel.__init__()`` method is now passed ``get_response`` as the first
positional argument. The ``Panel.process_request()`` method must now always
return a response. Usually this is the response returned by
``get_response()`` but the panel may also return a different response as is
the case in the ``RedirectsPanel``. Third party panels must adjust to this
new architecture. ``Panel.process_response()`` and ``Panel.process_view()``
have been removed as a result of this change.

The deprecated API, ``debug_toolbar.panels.DebugPanel``, has been removed.
Third party panels should use ``debug_toolbar.panels.Panel`` instead.

The following deprecated settings have been removed:

* ``HIDDEN_STACKTRACE_MODULES``
* ``HIDE_DJANGO_SQL``
* ``INTERCEPT_REDIRECTS``
* ``RESULTS_STORE_SIZE``
* ``ROOT_TAG_ATTRS``
* ``TAG``

1.11

-----------------

* Use ``defer`` on all ``<script>`` tags to avoid blocking HTML parsing,
removed inline JavaScript.
* Stop inlining images in CSS to avoid Content Security Policy errors
altogether.
* Reformatted the code using `black <https://github.com/ambv/black>`__.
* Added the Django mail panel to the list of third-party panels.
* Convert system check errors to warnings to accomodate exotic
configurations.
* Fixed a crash when explaining raw querysets.
* Fixed an obscure unicode error with binary data fields.
* Added MariaDB and Python 3.7 builds to the CI.

Links

• PyPI: https://pypi.org/project/django-debug-toolbar
• Changelog: https://pyup.io/changelogs/django-debug-toolbar/
• Repo: https://github.com/jazzband/django-debug-toolbar

[codecov]

Codecov Report

Merging #124 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #124   +/-   ##
=======================================
  Coverage   98.85%   98.85%           
=======================================
  Files          35       35           
  Lines         522      522           
=======================================
  Hits          516      516           
  Misses          6        6

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[pyup-bot]

Closing this in favor of #165