refactor: media types rework, dynamically load preview renderers (#1498)

* feat!: establish new MediaType system

* further additions and changes

* begin making renderers classes, improve text thumbnails

* continue renderer work

* convert most remaining thumbnail renderers to classes

* feat: dynamically load preview renderers

* refactor: use individual ext registration, continued progress

* refactor: finish converting old types to new registration system

* chore: alphabetize lists

* fix: only use search context for searches

* refactor: remove legacy filetype equivalent usages

* feat: add aliases for type groups, used in search

* refactor: use new MediaTypes system in archive renderers

* fix: add missing types

* refactor: remove last uses of legacy media type system

* refactor: move media type search context init to new file

* fix: fix import formatting, add missing aliases

* chore: remove leftover logging

* chore: small tweaks and comments

* refactor: wrap filetype init in function, call in driver

* docs: add and update docstrings

* fix: use all intended fallback icons for each media type

* fix: fix misc issues

* tests: add test cases for media types

* refactor: rename register_all to register_types

* refactor: wrap preview renderer type registrations in methods

pyproject.toml

@@ -21,15 +21,18 @@ dependencies = [
     "mutagen~=1.47",
     "numpy~=2.2",
     "opencv_python~=4.11",
-    "Pillow>=10.2,<12",
     "pillow-heif~=1.5.0",
     "pillow-jxl-plugin~=1.3",
+    "Pillow>=10.2,<12",
     "py7zr~=1.1.3",
     "pydantic~=2.10",
     "pydub~=0.25",
+    "Pygments~=2.21",
     "PySide6==6.11.2",
     "rarfile==4.2",
     "rawpy~=0.27",
+    "requests~=2.31.0",
+    "semver~=3.0.4",
     "Send2Trash>=1.8,<3",
     "SQLAlchemy~=2.0",
     "srctools~=2.6",
@@ -38,8 +41,6 @@ dependencies = [
     "typing_extensions~=4.13",
     "ujson~=5.10",
     "wcmatch==10.*",
-    "requests~=2.31.0",
-    "semver~=3.0.4",
 ]
 
 [project.gui-scripts]