X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/1f74e9a6dc7dd2303f3271ccf4c7a3eb59e3e27e..96d13ead60e0c798146ffaadd951877a8077ad9d:/apps/catalogue/utils.py

diff --git a/apps/catalogue/utils.py b/apps/catalogue/utils.py
index 36bd9e700..566eaf4cd 100644
--- a/apps/catalogue/utils.py
+++ b/apps/catalogue/utils.py
@@ -6,6 +6,7 @@ import random
 import time
 from base64 import urlsafe_b64encode
 
+from django.core.files.uploadedfile import UploadedFile
 from django.utils.hashcompat import sha_constructor
 from django.conf import settings
 
@@ -19,7 +20,7 @@ MAX_SESSION_KEY = 18446744073709551616L     # 2 << 63
 
 
 def get_random_hash(seed):
-    sha_digest = sha_constructor('%s%s%s%s' % 
+    sha_digest = sha_constructor('%s%s%s%s' %
         (randrange(0, MAX_SESSION_KEY), time.time(), unicode(seed).encode('utf-8', 'replace'),
         settings.SECRET_KEY)).digest()
     return urlsafe_b64encode(sha_digest).replace('=', '').replace('_', '-').lower()
@@ -31,3 +32,15 @@ def split_tags(tags):
         result.setdefault(tag.category, []).append(tag)
     return result
 
+
+class ExistingFile(UploadedFile):
+
+    def __init__(self, path, *args, **kwargs):
+        self.path = path
+        return super(ExistingFile, self).__init__(*args, **kwargs)
+
+    def temporary_file_path(self):
+        return self.path
+
+    def close(self):
+        pass