having trouble getting the pysftp.connection.cd() working - not sure what I am doing wrong or what the issue is. I can achieve what I need by passing the full remote path into the relevant methods but if try to change the remote active directory I get error. Relevant code is below:
with ps.Connection('hostname or IP address', username='username', password='secret', cnopts=cnopts) as conn:
print("Connection successful....")
print(conn.listdir()) # this works
print(conn.listdir(remote_location)) # this works
with conn.cd(remote_location): # this throws an error
print(conn.listdir())
The error I get is below here:
File "C:\Users\username\.conda\envs\data_wrangling\lib\site-packages\pysftp\__init__.py", line 508, in cd
self.cwd(remotepath)
File "C:\Users\username\.conda\envs\data_wrangling\lib\site-packages\pysftp\__init__.py", line 524, in chdir
self._sftp.chdir(remotepath)
File "C:\Users\username\.conda\envs\data_wrangling\lib\site-packages\paramiko\sftp_client.py", line 659, in chdir
if not stat.S_ISDIR(self.stat(path).st_mode):
OverflowError: mode out of range
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "c:\Users\username\my_code\python\mears_to_er_interface\sftp_chdir_test.py", line 41, in <module>
with conn.cd("remote_location"):
File "C:\Users\username\.conda\envs\data_wrangling\lib\contextlib.py", line 112, in __enter__
return next(self.gen)
File "C:\Users\username\.conda\envs\data_wrangling\lib\site-packages\pysftp\__init__.py", line 511, in cd
self.cwd(original_path)
File "C:\Users\username\.conda\envs\data_wrangling\lib\site-packages\pysftp\__init__.py", line 524, in chdir
self._sftp.chdir(remotepath)
File "C:\Users\username\.conda\envs\data_wrangling\lib\site-packages\paramiko\sftp_client.py", line 659, in chdir
if not stat.S_ISDIR(self.stat(path).st_mode):
OverflowError: mode out of range
Paramiko uses Python stat module in the SFTPClient.chdir implementation to check if the path is a folder (and not a file).
The problem is that the Python stat module can work with 16-bit permissions only. Your SFTP server returns permissions with 17th bit set. That results in the OverflowError. There's not much you can do about it. See this Python issue: stat.S_ISXXX can raise OverflowError for remote file modes.
Just avoid using the SFTPClient.chdir. The only other place where Paramiko currently uses the stat module is the SFTPAttributes.__str__. Otherwise you should be safe.
I've reported this to the Paramiko project: https://github.com/paramiko/paramiko/issues/1802
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