Use ImageField, update README with requirements section

Author: sigurdga

README.md

@@ -19,12 +19,23 @@ Features
 * No flash (or other browser plugins) needed
 * … more at the [upstream's features page](http://aquantum-demo.appspot.com/file-upload#features)
 
+Requirements
+============
+
+* Django
+* Python Imaging Library
+
+If you do not get PIL to work (_pillow_ is a replacement package that works
+with virtulalenvs), use FileField instead of ImageField in
+fileupload/models.py as commented in the file.
+
 Installation
 ============
 
-* run ./manage.py syncdb
-* go to localhost:8000/upload/new/
-* upload some files
+* pip install -r requirements.txt (will install django and pillow)
+* python manage.py syncdb
+* python manage.py runserver
+* go to localhost:8000/upload/new/ and upload some files
 
 License
 =======

fileupload/models.py

@@ -2,9 +2,13 @@
 
 class Picture(models.Model):
 
-    # This is a small demo using FileField instead of ImageField, not
-    # depending on PIL. You will probably want ImageField in your app.
-    file = models.FileField(upload_to="pictures")
+    # This is a small demo using just two fields. The slug field is really not
+    # necessary, but makes the code simpler. ImageField depends on PIL or
+    # pillow (where Pillow is easily installable in a virtualenv. If you have
+    # problems installing pillow, use a more generic FileField instead.
+
+    #file = models.FileField(upload_to="pictures")
+    file = models.ImageField(upload_to="pictures")
     slug = models.SlugField(max_length=50, blank=True)
 
     def __unicode__(self):

requirements.txt

@@ -0,0 +1,2 @@
+django
+pillow