limitando tamanho de imagens - precisa adicionar valor na settings.py

app/django-bbx/bbx/settings.example.py

@@ -246,3 +246,6 @@
 }
 
 AUTH_PROFILE_MODULE = 'mocambola.Mocambola'
+
+## Uploaded image size limit
+IMAGE_MAX_SIZE = 2000  # px

app/django-bbx/media/models.py

@@ -7,6 +7,7 @@
 from importlib import import_module
 import json
 import re
+from PIL import Image, ImageOps
 
 from django.db import models
 from django.contrib.auth.models import User
@@ -18,7 +19,7 @@
 from django.utils import timezone
 
 from tag.models import Tag
-from bbx.settings import REPOSITORY_DIR, DEFAULT_MUCUA
+from bbx.settings import REPOSITORY_DIR, DEFAULT_MUCUA,IMAGE_MAX_SIZE
 from bbx.utils import logger
 from repository.tasks import git_annex_get
 
@@ -108,6 +109,19 @@ def get_media_type_by_filename(file_object):
 
     return file_type
 
+def handle_uploaded_image(instance, image_path):
+    """Limita arquivos de imagem ao tamanho máximo padrão"""
+    filename = os.path.join(get_file_path(instance), instance.get_file_name())
+    image = Image.open(image_path)
+    width, height = image.size
+
+    # if exceeds max size, resize it
+    if width > IMAGE_MAX_SIZE or height > IMAGE_MAX_SIZE:
+        image.thumbnail((IMAGE_MAX_SIZE, IMAGE_MAX_SIZE), Image.ANTIALIAS)
+        image.save(filename)
+
+    return filename
+
 def getTypeChoices():
     """Retorna uma tupla com os tipos de media suportados"""
     return TYPE_CHOICES

app/django-bbx/media/views.py

@@ -19,7 +19,7 @@
 from media.models import Media, generate_UUID, get_now
 from tag.models import Tag
 from media.serializers import MediaSerializer
-from media.models import getTypeChoices, getFormatChoices, get_media_name_by_filename,get_media_type_by_filename
+from media.models import getTypeChoices, getFormatChoices, get_media_name_by_filename,get_media_type_by_filename,handle_uploaded_image
 from bbx.settings import DEFAULT_MUCUA, DEFAULT_REPOSITORY
 from bbx.utils import logger
 from mucua.models import Mucua
@@ -426,20 +426,29 @@ def media_detail(request, repository, mucua, pk=None, format=None):
                       )
 
         if request.FILES.getlist('media_file') :
+            logger.info('multiple upload')
             # multiple upload            
             for filename, file in request.FILES.iteritems():
                 file_name = request.FILES[filename].name
 
                 media.format=file_name.split('.')[-1].lower()
                 media.name=get_media_name_by_filename(file_name)
-                media.type=get_media_type_by_filename(request.FILES[filename])                
-                media.media_file=request.FILES[filename]
-        else:        
+                media.type=get_media_type_by_filename(request.FILES[filename])
+                if media.type == 'imagem':
+                    media.media_file=handle_uploaded_image(media, request.FILES[filename].temporary_file_path())
+                else:
+                    media.media_file=request.FILES[filename]
+
+        else:
+            logger.info('single upload')
             # single upload
             media.name=request.DATA['name']
             media.format=request.FILES['media_file'].name.split('.')[-1].lower()
-            media.media_file=request.FILES['media_file']
-
+            if media.type == 'imagem':
+                media.media_file=handle_uploaded_image(media, request.FILES['media_file'].temporary_file_path())
+            else:
+                media.media_file=request.FILES[filename]
+
         media.save()
         if media.id:
             # get tags by list or separated by ','