diff --git a/src/octoprint/util/__init__.py b/src/octoprint/util/__init__.py
index 3252b25b..a736e35e 100644
--- a/src/octoprint/util/__init__.py
+++ b/src/octoprint/util/__init__.py
@@ -442,6 +442,16 @@ def to_unicode(s_or_u, encoding="utf-8", errors="strict"):
 		return s_or_u
 
 
+def chunks(l, n):
+	"""
+	Yield successive n-sized chunks from l.
+
+	Taken from http://stackoverflow.com/a/312464/2028598
+	"""
+	for i in range(0, len(l), n):
+		yield l[i:i+n]
+
+
 def is_running_from_source():
 	root = os.path.abspath(os.path.join(os.path.dirname(__file__), "../../.."))
 	return os.path.isdir(os.path.join(root, "src")) and os.path.isfile(os.path.join(root, "setup.py"))