diff options
Diffstat (limited to 'paramiko/sftp_file.py')
| -rw-r--r-- | paramiko/sftp_file.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/paramiko/sftp_file.py b/paramiko/sftp_file.py index 6b8e9350..854ccf4a 100644 --- a/paramiko/sftp_file.py +++ b/paramiko/sftp_file.py @@ -45,6 +45,15 @@ class SFTPFile (BufferedFile): self.close() def close(self): + # We allow double-close without signaling an error, because real + # Python file objects do. However, we must protect against actually + # sending multiple CMD_CLOSE packets, because after we close our + # handle, the same handle may be re-allocated by the server, and we + # may end up mysteriously closing some random other file. (This is + # especially important because we unconditionally call close() from + # __del__.) + if self._closed: + return BufferedFile.close(self) try: self.sftp._request(CMD_CLOSE, self.handle) |