refactor!: djangocms_picture extension

[wesleyboar]

Overview

Refactor/Simplify customization of:

• djangocms_picture
• djangocms_bootstrap4's bootstrap4_picture

Warning

Incompatible with previous PRs since last release, but still compatible with previous release.

Related

• refactors feat: support core-styles u-image-zoom #968
  (and older PRs that introduced related code)

Changes

• deletes logging
• deletes excess templates
• deletes excess template blocks
• adds more context variables to view
• changes our default template to need zero overrides
• changes other templates to only extend default and comment
• deletes unused templates

Testing

1. Build test case of every relevant configuration of an image.
2. Verify behavior of all configurations matches that on main branch.

Tip

To create these test cases, import
plugins (via djangocms_transfer which is installed in Core-CMS), but before import change value in "data" of:

• "picture" to the ID of a picture in your test CMS - "external_picture" to a URL of any different image
• "link_page" to the ID of a page in your CMS
• "internal_link" to the ID of a page in your CMS

UI

default.template.internal.image.mov

no_link_to_image.template.external.image.mov

zoom_effect.template.internal.image.mov

zoom_effect_no_link_to_ext_image.template.external.image.mov

Tip

To emulate the debug overlay UI, add a snippet with:

<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/TACC/Core-CMS@5a42643b/taccsite_cms/static/site_cms/css/test/djangocms-picture.css">