fixed EXIF rotations

rowers/rows.py

@@ -72,15 +72,35 @@ def must_be_csv(value):
 
 def handle_uploaded_image(i):
         import StringIO
-        from PIL import Image, ImageOps
+        from PIL import Image, ImageOps, ExifTags
         import os
         from django.core.files import File
         image_str = ""
-        for c in i.chunks():
-                image_str += c
-        imagefile = StringIO.StringIO(image_str)
-        image = Image.open(imagefile)
+	for chunk in i.chunks():
+                image_str += chunk
 
+        imagefile = StringIO.StringIO(image_str)
+        
+                
+        image = Image.open(i)
+
+        try:
+                for orientation in ExifTags.TAGS.keys():
+                        if ExifTags.TAGS[orientation]=='Orientation':
+                                break
+                exif=dict(image._getexif().items())
+                print exif[orientation],'aap'
+
+                if exif[orientation] == 3:
+                        image=image.rotate(180, expand=True)
+                elif exif[orientation] == 6:
+                        image=image.rotate(270, expand=True)
+                elif exif[orientation] == 8:
+                        image=image.rotate(90, expand=True)
+        except (AttributeError, KeyError, IndexError):
+                # cases: image don't have getexif
+                pass
+        
         if image.mode not in ("L", "RGB"):
                 image = image.convert("RGB")
 
@@ -89,12 +109,12 @@ def handle_uploaded_image(i):
         hsize = int((float(image.size[1])*float(wpercent)))
         image = image.resize((basewidth,hsize), Image.ANTIALIAS)
 
-        
 
         filename = hashlib.md5(imagefile.getvalue()).hexdigest()+'.jpg'
 
         filename2 = os.path.join('static/plots/',filename)
         image.save(filename2,'JPEG')
+        
         return filename,filename2