Added support again for optimize and progressive PIL save options.

Used http://stackoverflow.com/questions/6788398/how-to-save-progressive-jpeg-using-python-pil-1-1-7
as guide on how to deal with IOError

CHANGES.txt

@@ -1,3 +1,4 @@
+v0.2.1, 05/29/13 -- Proper progressive and optomize support
 v0.2.0, 05/29/13 -- Don't save with optomize either, also encounters same error
 v0.1.9, 05/29/13 -- Don't save as progressive, because encounters errors
 v0.1.8, 05/29/13 -- Convert image to JPEG colorspace and save with higher quality and progressive

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name='django-simpleimages',
-    version='0.2.0',
+    version='0.2.1',
     author='Saul Shanabrook',
     author_email='s.shanabrook@gmail.com',
     packages=['simpleimages', 'simpleimages.test'],

simpleimages/transforms.py

@@ -1,6 +1,7 @@
 from StringIO import StringIO
+from exceptions import IOError
 
-from PIL import Image
+from PIL import Image, ImageFile
 
 from django.core.files.uploadedfile import InMemoryUploadedFile
 from django.core.files import File
@@ -51,6 +52,23 @@ def django_file_from_pil_image(transformed_pil_image, file_name):
     temp_io = StringIO()
     if transformed_pil_image.mode not in ('L', 'RGB'):
         transformed_pil_image = transformed_pil_image.convert("RGB")
+    try:
+        transformed_pil_image.save(
+            temp_io,
+            "JPEG",
+            quality=85,
+            optimize=True,
+            progressive=True
+        )
+    except IOError:
+        ImageFile.MAXBLOCK = transformed_pil_image.size[0] * transformed_pil_image.size[1]
+        transformed_pil_image.save(
+            temp_io,
+            "JPEG",
+            quality=85,
+            optimize=True,
+            progressive=True
+        )
     transformed_pil_image.save(
         temp_io,
         format='JPEG',