I've been looking for SFTP python packages, ftpretty works fine for me: https://pypi.org/project/ftpretty/ but I want to use a more secure protocol.
PySftp is obviously a bit outdated (Edit: it seems that pysftp is still frequently used, about the error please see below): https://bitbucket.org/dundeemt/pysftp/src/master/
And throws me several errors on Win10, PyCharm, Python3.6:
C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\pysftp\__init__.py:61: UserWarning: Failed to load HostKeys from C:\Users\bobin\.ssh\known_hosts. You will need to explicitly load HostKeys (cnopts.hostkeys.load(filename)) or disableHostKey checking (cnopts.hostkeys = None).
warnings.warn(wmsg, UserWarning)
Traceback (most recent call last):
File "C:/Users/bobin/PycharmProjects/classtest/pysftptest.py", line 7, in <module>
with pysftp.Connection(host=myHostname, username=myUsername, password=myPassword) as sftp:
File "C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\pysftp\__init__.py", line 132, in __init__
self._tconnect['hostkey'] = self._cnopts.get_hostkey(host)
File "C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\pysftp\__init__.py", line 71, in get_hostkey
raise SSHException("No hostkey for host %s found." % host)
paramiko.ssh_exception.SSHException: No hostkey for host s233.goserver.host found.
Exception ignored in: <bound method Connection.__del__ of <pysftp.Connection object at 0x00000235B0695048>>
Traceback (most recent call last):
File "C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\pysftp\__init__.py", line 1013, in __del__
self.close()
File "C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\pysftp\__init__.py", line 784, in close
if self._sftp_live:
AttributeError: 'Connection' object has no attribute '_sftp_live'
Process finished with exit code 1
This thread seemed relevant to me but it's already 12years old: SFTP in Python? (platform independent) And the paramiko package is also throwing me errors:
Traceback (most recent call last):
File "C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\paramiko\sftp_client.py", line 130, in __init__
server_version = self._send_version()
File "C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\paramiko\sftp.py", line 134, in _send_version
t, data = self._read_packet()
File "C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\paramiko\sftp.py", line 201, in _read_packet
x = self._read_all(4)
File "C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\paramiko\sftp.py", line 188, in _read_all
raise EOFError()
EOFError
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:/Users/bobin/PycharmProjects/classtest/paramikotest.py", line 12, in <module>
sftp = paramiko.SFTPClient.from_transport(transport)
File "C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\paramiko\sftp_client.py", line 170, in from_transport
return cls(chan)
File "C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\paramiko\sftp_client.py", line 132, in __init__
raise SSHException("EOF during negotiation")
paramiko.ssh_exception.SSHException: EOF during negotiation
Process finished with exit code 1
I have come so far to understand that I probably need a keyfile that I can find out by first connecting to my webspace using e.g. filezilla: How To Extract SFTP SSH Key From Key Cache in FileZilla FTP Client
My question is: how do I establish an SFTP connection to my host, which is webgo: https://www.webgo.de/hilfe/content/76/52/de/was-ist-sftp.html
EDIT: providing no host_key as follows:
import pysftp
cnopts = pysftp.CnOpts()
cnopts.hostkeys = None
myHostname = "host"
myUsername = "user"
myPassword = "pass"
with pysftp.Connection(host=myHostname, username=myUsername, password=myPassword, cnopts=cnopts, port=22) as sftp:
print("Connection succesfully stablished ... ")
sftp.put('C:\TEMP\Capture.PNG', preserve_mtime=True)
still throws me an error for providing no host_keys:
C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\pysftp\__init__.py:61: UserWarning: Failed to load HostKeys from C:\Users\bobin\.ssh\known_hosts. You will need to explicitly load HostKeys (cnopts.hostkeys.load(filename)) or disableHostKey checking (cnopts.hostkeys = None).
warnings.warn(wmsg, UserWarning)
EDIT2: tried prettyftp but my provider is refusing the connection:
Traceback (most recent call last):
File "C:/Users/bobin/PycharmProjects/classtest/testftp.py", line 15, in <module>
f.put('C:\TEMP\Capture.PNG', 'Capture230.PNG')
File "C:\Users\bobin\PycharmProjects\classtest\venv\lib\site-packages\ftpretty.py", line 119, in put
self.conn.storbinary('STOR %s' % remote_file, local_file)
File "C:\Users\bobin\AppData\Local\Programs\Python\Python36\lib\ftplib.py", line 513, in storbinary
return self.voidresp()
File "C:\Users\bobin\AppData\Local\Programs\Python\Python36\lib\ftplib.py", line 249, in voidresp
resp = self.getresp()
File "C:\Users\bobin\AppData\Local\Programs\Python\Python36\lib\ftplib.py", line 242, in getresp
raise error_temp(resp)
ftplib.error_temp: 425 Unable to build data connection: Operation not permitted
Used following code snippet, setting secure=False worked again:
from ftpretty import ftpretty
# Minimal
f = ftpretty('host','user','pass', port=21, secure=True)
f.put('C:\TEMP\Capture.PNG', 'Capture230.PNG')
f.close()
