reassign sorl-thumbnail engine

apps/gallery/serializers.py

@@ -39,11 +39,11 @@ class ImageSerializer(serializers.ModelSerializer):
 class CropImageSerializer(ImageSerializer):
     """Serializers for image crops."""
 
-    width = serializers.IntegerField(write_only=True)
-    height = serializers.IntegerField(write_only=True)
-    margin = serializers.CharField(write_only=True, allow_null=True,
-                                   required=False,
-                                   default='center')
+    width = serializers.IntegerField(write_only=True, required=False)
+    height = serializers.IntegerField(write_only=True, required=False)
+    crop = serializers.CharField(write_only=True, allow_null=True,
+                                 required=False,
+                                 default='center')
     quality = serializers.IntegerField(write_only=True, allow_null=True, required=False,
                                        default=settings.THUMBNAIL_QUALITY,
                                        validators=[
@@ -59,7 +59,7 @@ class CropImageSerializer(ImageSerializer):
             'orientation_display',
             'width',
             'height',
-            'margin',
+            'crop',
             'quality',
             'cropped_image',
         ]
@@ -69,16 +69,16 @@ class CropImageSerializer(ImageSerializer):
         file = self._image.image
         crop_width = attrs.get('width')
         crop_height = attrs.get('height')
-        margin = attrs.get('margin')
+        crop = attrs.get('crop')
 
-        if crop_height and crop_width and margin:
+        if crop_height and crop_width and crop:
             xy_image = (file.width, file.width)
             xy_window = (crop_width, crop_height)
             try:
-                parse_crop(margin, xy_image, xy_window)
+                parse_crop(crop, xy_image, xy_window)
                 attrs['image'] = file
             except ThumbnailParseError:
-                raise serializers.ValidationError({'margin': _('Unrecognized crop option: %s') % margin})
+                raise serializers.ValidationError({'margin': _('Unrecognized crop option: %s') % crop})
         return attrs
 
     def create(self, validated_data):
@@ -86,7 +86,7 @@ class CropImageSerializer(ImageSerializer):
         width = validated_data.pop('width', None)
         height = validated_data.pop('height', None)
         quality = validated_data.pop('quality')
-        margin = validated_data.pop('margin')
+        crop = validated_data.pop('crop')
 
         image = self._image
 
@@ -96,7 +96,7 @@ class CropImageSerializer(ImageSerializer):
                     image.get_cropped_image(
                         geometry=f'{width}x{height}',
                         quality=quality,
-                        margin=margin))
+                        crop=crop))
         return image
 
     @property

apps/utils/models.py

@@ -11,11 +11,11 @@ from django.contrib.postgres.fields.jsonb import KeyTextTransform
 from django.utils import timezone
 from django.utils.html import mark_safe
 from django.utils.translation import ugettext_lazy as _, get_language
-from configuration.models import TranslationSettings
 from easy_thumbnails.fields import ThumbnailerImageField
 from sorl.thumbnail import get_thumbnail
 from sorl.thumbnail.fields import ImageField as SORLImageField
 
+from configuration.models import TranslationSettings
 from utils.methods import image_path, svg_image_path
 from utils.validators import svg_image_validator
 
@@ -227,16 +227,16 @@ class SORLImageMixin(models.Model):
         else:
             return None
 
-    def get_cropped_image(self, geometry: str, quality: int, margin: str) -> dict:
+    def get_cropped_image(self, geometry: str, quality: int, crop: str) -> dict:
         cropped_image = get_thumbnail(self.image,
                                       geometry_string=geometry,
-                                      crop=margin,
+                                      crop=crop,
                                       quality=quality)
         return {
             'geometry_string': geometry,
             'crop_url': cropped_image.url,
             'quality': quality,
-            'margin': margin
+            'crop': crop
         }
 
     image_tag.short_description = _('Image')
@@ -455,4 +455,5 @@ class FavoritesMixin:
     def favorites_for_users(self):
         return self.favorites.aggregate(arr=ArrayAgg('user_id')).get('arr')
 
+
 timezone.datetime.now().date().isoformat()

apps/utils/thumbnail_engine.py

@@ -0,0 +1,19 @@
+"""Overridden thumbnail engine."""
+from sorl.thumbnail.engines.pil_engine import Engine as PILEngine
+
+
+class GMEngine(PILEngine):
+
+    def create(self, image, geometry, options):
+        """
+        Processing conductor, returns the thumbnail as an image engine instance
+        """
+        image = self.cropbox(image, geometry, options)
+        image = self.orientation(image, geometry, options)
+        image = self.colorspace(image, geometry, options)
+        image = self.remove_border(image, options)
+        image = self.crop(image, geometry, options)
+        image = self.rounded(image, geometry, options)
+        image = self.blur(image, geometry, options)
+        image = self.padding(image, geometry, options)
+        return image

project/settings/base.py

@@ -520,3 +520,4 @@ ESTABLISHMENT_CHOSEN_TAGS = ['gastronomic', 'en_vogue', 'terrace', 'streetfood',
 NEWS_CHOSEN_TAGS = ['eat', 'drink', 'cook', 'style', 'international', 'event', 'partnership']
 INTERNATIONAL_COUNTRY_CODES = ['www', 'main', 'next']
 
+THUMBNAIL_ENGINE = 'utils.thumbnail_engine.GMEngine'