Ticket #1272: interfaces_1272_2.diff

twisted/internet/interfaces.py

@@ -750 +750 @@
         """
 
 
-class IFileDescriptor(Interface):
-    """A file descriptor.
+class ILoggingContext(Interface):
     """
+    Give context information that will be used to log events generated by
+    this item.
+    """
+    def logPrefix():
+        """
+        @return: Prefix used during log formatting to indicate context.
+        @rtype: C{str}
+        """
 
+
+class IFileDescriptor(ILoggingContext):
+    """
+    A file descriptor.
+    """
+
     def fileno():
         """
         @return: The platform-specified representation of a file-descriptor