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Don't change slug for existing instances fixes #1129#1188

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jaredlockhart merged 1 commit intomasterfrom
1129
Apr 22, 2019
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Don't change slug for existing instances fixes #1129#1188
jaredlockhart merged 1 commit intomasterfrom
1129

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@jaredlockhart jaredlockhart commented Apr 17, 2019

We auto generate the slug for things like Experiment, ExperimentVariant from its name, but we were doing it on every save so it's possible to change the slug of an experiment after it's been created (which is bad because then it changes the URL you find it at so you could break somebody's bookmarks). This change prevents changing the slug if it's already been set.

del cleaned_data["slug"]
else:
name = cleaned_data.get("name")
cleaned_data["slug"] = slugify(name)
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This might be outside the scope of this PR, but why are we doing this in the form code and not in the model code?

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@glasserc Putting this automation on the model makes it difficult to edit it by hand from the admin or override for testing in a console or in unit tests.

In general I try to avoid putting too much data automation in models because for every place it makes your life easier it'll blow up in some annoying way somewhere else, whereas keeping it in the form makes it clear that from the user facing workflow it'll take place, but if you go in under the hood you shouldn't expect any 'magic'.

@jaredlockhart jaredlockhart merged commit b24193b into master Apr 22, 2019
github-merge-queue Bot pushed a commit that referenced this pull request Apr 29, 2025
…#12548)

Bumps [pytest-django](https://github.com/pytest-dev/pytest-django) from
4.5.2 to 4.11.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/pytest-dev/pytest-django/releases">pytest-django's
releases</a>.</em></p>
<blockquote>
<h2>v4.11.1</h2>
<p><a
href="https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst#v4111-2025-04-03">https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst#v4111-2025-04-03</a></p>
<h2>v4.11.0</h2>
<p><a
href="https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst#v4110-2025-04-01">https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst#v4110-2025-04-01</a></p>
<h2>v4.10.0</h2>
<p><a
href="https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst#v4100-2025-02-10">https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst#v4100-2025-02-10</a></p>
<h2>v4.9.0</h2>
<p><a
href="https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst#v490-2024-09-02">https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst#v490-2024-09-02</a></p>
<h2>4.8.0</h2>
<p><a
href="https://pytest-django.readthedocs.io/en/latest/changelog.html#v4-8-0-2024-01-30">https://pytest-django.readthedocs.io/en/latest/changelog.html#v4-8-0-2024-01-30</a></p>
<h2>4.7.0</h2>
<p><a
href="https://pytest-django.readthedocs.io/en/latest/changelog.html#v4-7-0-2023-11-08">https://pytest-django.readthedocs.io/en/latest/changelog.html#v4-7-0-2023-11-08</a></p>
<h2>4.6.0</h2>
<p><a
href="https://pytest-django.readthedocs.io/en/latest/changelog.html#v4-6-0-2023-10-30">https://pytest-django.readthedocs.io/en/latest/changelog.html#v4-6-0-2023-10-30</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst">pytest-django's
changelog</a>.</em></p>
<blockquote>
<h2>v4.11.1 (2025-04-03)</h2>
<p>Bugfixes
^^^^^^^^</p>
<ul>
<li>Fixed a regression in v4.11.0 for Django <code>TestCase</code> tests
using the <code>databases</code> class variable
(<code>[#1188](pytest-dev/pytest-django#1188)
&lt;https://github.com/pytest-dev/pytest-django/issues/1188&gt;</code>__).</li>
</ul>
<h2>v4.11.0 (2025-04-01)</h2>
<p>Compatibility
^^^^^^^^^^^^^</p>
<ul>
<li>Added official support for Django 5.2 (<code>PR
[#1179](pytest-dev/pytest-django#1179)
&lt;https://github.com/pytest-dev/pytest-django/pull/1179&gt;</code>__).</li>
<li>Dropped testing on MySQL’s MyISAM storage engine (<code>PR
[#1180](pytest-dev/pytest-django#1180)
&lt;https://github.com/pytest-dev/pytest-django/pull/1180&gt;</code>__).</li>
</ul>
<p>Bugfixes
^^^^^^^^</p>
<ul>
<li>
<p>Stopped setting up and serializing databases on test session setup
when not needed (the database is not requested /
<code>serialized_rollback</code> is not used).
On test databases with large amounts of pre-seeded data, this may remove
a delay of a few seconds when running <code>pytest
--reuse-db</code>.</p>
<p>The determination of which databases to setup is done by static
inspection of the test suite.
Using pytest's dynamic features to request db access, such as
:meth:<code>request.getfixturevalue(&quot;db&quot;)
&lt;pytest.FixtureRequest.getfixturevalue&gt;</code>, may throw off this
analysis.
If you start seeing <code>DatabaseOperationForbidden</code> or
&quot;unable to open database&quot; errors, this is likely the cause.
To fix this, decorate at least one test with the :func:<code>django_db
&lt;pytest.mark.django_db&gt;</code> marker with appropriate
<code>databases</code> and <code>serialized_rollback</code>
settings.</p>
</li>
</ul>
<h2>v4.10.0 (2025-02-10)</h2>
<p>Compatibility
^^^^^^^^^^^^^</p>
<ul>
<li>Added official support for Python 3.13.</li>
</ul>
<p>Improvements
^^^^^^^^^^^^</p>
<ul>
<li>Added <code>using</code> argument to
:fixture:<code>django_assert_num_queries</code> and
:fixture:<code>django_assert_max_num_queries</code> to easily specify
the database
alias to use.</li>
</ul>
<p>Bugfixes
^^^^^^^^</p>
<ul>
<li>Fixed lock/unlock of db breaks if pytest is executed twice in the
same process.</li>
</ul>
<p>v4.9.0 (2024-09-02)</p>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/pytest-dev/pytest-django/commit/5ada9c1596ee9e0624801d553995d98d2e3ccce8"><code>5ada9c1</code></a>
Release 4.11.1</li>
<li><a
href="https://github.com/pytest-dev/pytest-django/commit/cf3f0bb89be0d741e7c4e10469d0559e86753cc7"><code>cf3f0bb</code></a>
fixtures: fixup a regression in previous release for TestCase multi-db
support</li>
<li><a
href="https://github.com/pytest-dev/pytest-django/commit/6d5c272519037031f0b68d78dca44727b860d65e"><code>6d5c272</code></a>
Release 4.11.0</li>
<li><a
href="https://github.com/pytest-dev/pytest-django/commit/8000db04f07822861331d0df8ef52f9c67eafc00"><code>8000db0</code></a>
Only setup and serialize databases as needed by tests</li>
<li><a
href="https://github.com/pytest-dev/pytest-django/commit/6f7fc269f871da0134d9155ca856b29582aa46ce"><code>6f7fc26</code></a>
Add optional integration of pytest into django's <code>manage.py
test</code></li>
<li><a
href="https://github.com/pytest-dev/pytest-django/commit/3071a666dce1f60299bf89bd9c268ac7e0ee459d"><code>3071a66</code></a>
docs/conf.py: format with ruff format</li>
<li><a
href="https://github.com/pytest-dev/pytest-django/commit/3f44e50ff326c23a44bf5633423d491a251d8eed"><code>3f44e50</code></a>
fixtures: avoid unnecessary closure</li>
<li><a
href="https://github.com/pytest-dev/pytest-django/commit/b7328696ad7a5bfc308b60c909972a9166fce8a3"><code>b732869</code></a>
Remove testing on MyISAM (<a
href="https://redirect.github.com/pytest-dev/pytest-django/issues/1180">#1180</a>)</li>
<li><a
href="https://github.com/pytest-dev/pytest-django/commit/e362f4c6303b203e5449ed023b353ad81f40a753"><code>e362f4c</code></a>
Add support for Django 5.2 (<a
href="https://redirect.github.com/pytest-dev/pytest-django/issues/1179">#1179</a>)</li>
<li><a
href="https://github.com/pytest-dev/pytest-django/commit/d8dc3d9a62b97c9730111ca7c656dd3b00c479c2"><code>d8dc3d9</code></a>
Release 4.10.0</li>
<li>Additional commits viewable in <a
href="https://github.com/pytest-dev/pytest-django/compare/v4.5.2...v4.11.1">compare
view</a></li>
</ul>
</details>
<br />


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