X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/5913c54d19b8f6775633176032161d49f9b2f1aa..30423c0a921a37cc2213e83309d5abe04399ba15:/src/catalogue/ebook_utils.py

diff --git a/src/catalogue/ebook_utils.py b/src/catalogue/ebook_utils.py
index dae2e769..c3e8b680 100644
--- a/src/catalogue/ebook_utils.py
+++ b/src/catalogue/ebook_utils.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from StringIO import StringIO
+from io import BytesIO
 from catalogue.models import Book
 from librarian import DocProvider
 from django.http import HttpResponse
@@ -12,7 +12,7 @@ class RedakcjaDocProvider(DocProvider):
         self.publishable = publishable
 
     def by_slug(self, slug):
-        return StringIO(Book.objects.get(dc_slug=slug
+        return BytesIO(Book.objects.get(dc_slug=slug
                     ).materialize(publishable=self.publishable
                     ).encode('utf-8'))
 
@@ -26,7 +26,7 @@ def serve_file(file_path, name, mime_type):
 
     response = HttpResponse(content_type=mime_type)
     response['Content-Disposition'] = 'attachment; filename=%s' % name
-    with open(file_path) as f:
+    with open(file_path, 'rb') as f:
         for chunk in read_chunks(f):
             response.write(chunk)
     return response