Implement the suggestion of bug_id=122070: surround tell() call with

try/except.

diff --git a/Lib/rfc822.py b/Lib/rfc822.py
index 200452455851a9d6b9a22361f17a27d1acc16cbe..2f1a268a42ddfdd598f737bae6b0e9129e6551c5 100644 (file)
--- a/Lib/rfc822.py
+++ b/Lib/rfc822.py
@@ -132,7 +132,11 @@ class Message:
             tell = self.fp.tell
         while 1:
             if tell:
-                startofline = tell()
+                try:
+                    startofline = tell()
+                except IOError:
+                    startofline = tell = None
+                    self.seekable = 0
             line = self.fp.readline()
             if not line:
                 self.status = 'EOF in headers'