use ThumbnailOptions instead of a dict (#1340)

* use ThumbnailOptions instead of a dict

* disable isort in pre-commit.ci

.github/workflows/pre-commit.ci.yaml

@@ -0,0 +1,16 @@
+on:
+  pull_request:
+  push:
+    branches: [master]
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v4
+      with:
+        python-version: 3.x
+    - uses: pre-commit/action@v3.0.0
+    - uses: pre-commit-ci/lite-action@v1.0.1
+      if: always()

.pre-commit-config.yaml

@@ -36,7 +36,7 @@ repos:
       - id: check-merge-conflict
       - id: mixed-line-ending
 
-  - repo: https://github.com/pycqa/isort
-    rev: 5.11.4
-    hooks:
-      - id: isort
+#  - repo: https://github.com/pycqa/isort
+#    rev: 5.11.4
+#    hooks:
+#      - id: isort

filer/templatetags/filer_admin_tags.py

@@ -6,6 +6,7 @@
 from django.utils.translation import gettext_lazy as _
 
 from easy_thumbnails.files import get_thumbnailer
+from easy_thumbnails.options import ThumbnailOptions
 
 from filer import settings
 from filer.admin.tools import admin_url_params, admin_url_params_encoded
@@ -116,11 +117,12 @@ def file_icon_context(file, detail, width, height):
                 opts = {'size': (width, height), 'upscale': True}
             else:
                 opts = {'size': (width, height), 'crop': True}
-            icon_url = thumbnailer.get_thumbnail(opts).url
+            thumbnail_options = ThumbnailOptions(opts)
+            icon_url = thumbnailer.get_thumbnail(thumbnail_options).url
             context['alt_text'] = file.default_alt_text
             if mime_subtype != 'svg+xml':
-                opts['size'] = 2 * width, 2 * height
-                context['highres_url'] = thumbnailer.get_thumbnail(opts).url
+                thumbnail_options['size'] = 2 * width, 2 * height
+                context['highres_url'] = thumbnailer.get_thumbnail(thumbnail_options).url
     elif mime_maintype in ['audio', 'font', 'video']:
         icon_url = staticfiles_storage.url('filer/icons/file-{}.svg'.format(mime_maintype))
     elif mime_maintype == 'application' and mime_subtype in ['zip', 'pdf']: