#11700: proxy object close methods can now be called multiple times
This makes them work like the close provided by regular file objects.
diff --git a/Lib/mailbox.py b/Lib/mailbox.py
index b96b270..e23ea8c 100644
--- a/Lib/mailbox.py
+++ b/Lib/mailbox.py
@@ -1923,9 +1923,10 @@
def close(self):
"""Close the file."""
- if hasattr(self._file, 'close'):
- self._file.close()
- del self._file
+ if hasattr(self, '_file'):
+ if hasattr(self._file, 'close'):
+ self._file.close()
+ del self._file
def _read(self, size, read_method):
"""Read size bytes using read_method."""
@@ -1957,6 +1958,10 @@
@property
def closed(self):
+ if not hasattr(self, '_file'):
+ return True
+ if not hasattr(self._file, 'closed'):
+ return False
return self._file.closed
@@ -1995,7 +2000,8 @@
def close(self):
# do *not* close the underlying file object for partial files,
# since it's global to the mailbox object
- del self._file
+ if hasattr(self, '_file'):
+ del self._file
def _lock_file(f, dotlock=True):