--- /dev/null
+import time
+
+from base64 import urlsafe_b64encode
+from hashlib import sha1
+
+
+def get_hash(seed):
+ sha_digest = sha1(('%d%s' % (time.time(), str(seed))
+ ).encode('utf-8', 'replace')).digest()
+ return urlsafe_b64encode(sha_digest).decode('latin1').replace('=', '').replace('_', '-').lower()