remove Unidecode dependency

Author: drakkan

sendfile/__init__.py

@@ -70,14 +70,14 @@ def sendfile(request, filename, attachment=False, attachment_filename=None, mime
             attachment_filename = os.path.basename(filename)
         parts = ['attachment']
         if attachment_filename:
-            from unidecode import unidecode
+            import unicodedata
             try:
                 from django.utils.encoding import force_text
             except ImportError:
                 # Django 1.3
                 from django.utils.encoding import force_unicode as force_text
             attachment_filename = force_text(attachment_filename)
-            ascii_filename = unidecode(attachment_filename)
+            ascii_filename = unicodedata.normalize('NFKD', attachment_filename).encode('ascii','ignore') 
             parts.append('filename="%s"' % ascii_filename)
             if ascii_filename != attachment_filename:
                 from django.utils.http import urlquote

setup.py

@@ -19,8 +19,8 @@
     url='https://github.com/johnsensible/django-sendfile',
     license='BSD',
 
-    requires=['Django (>=1.3)', 'Unidecode'],
-    install_requires=['Django>=1.3', 'Unidecode'],
+    requires=['Django (>=1.3)'],
+    install_requires=['Django>=1.3'],
 
     packages=['sendfile', 'sendfile.backends'],
     package_dir={