Bug #3126: StreamHandler and FileHandler check before calling "flush" and "close" that the stream object has these, using hasattr (thanks to bobf for the patch).

1 files changed, 3 insertions, 2 deletions

diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 38bbae0..c0b20ea 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -735,7 +735,7 @@ class StreamHandler(Handler):
         """
         Flushes the stream.
         """
-        if self.stream:
+        if self.stream and hasattr(self.stream, "flush"):
             self.stream.flush()
 
     def emit(self, record):
@@ -791,7 +791,8 @@ class FileHandler(StreamHandler):
         """
         if self.stream:
             self.flush()
-            self.stream.close()
+            if hasattr(self.stream, "close"):
+                self.stream.close()
             StreamHandler.close(self)
             self.stream = None