Close streamed file in file_generator on destruct

1 files changed, 5 insertions, 0 deletions

diff --git a/cherrypy/lib/__init__.py b/cherrypy/lib/__init__.py
index f815f76a..0edaaf20 100644
--- a/cherrypy/lib/__init__.py
+++ b/cherrypy/lib/__init__.py
@@ -70,6 +70,11 @@ class file_generator(object):
             raise StopIteration()
     next = __next__
 
+    def __del__(self):
+        """Close input on descturct."""
+        if hasattr(self.input, 'close'):
+            self.input.close()
+
 
 def file_generator_limited(fileobj, count, chunk_size=65536):
     """Yield the given file object in chunks.