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Use paramiko.SSHClient in SFTPDownloader (enables SSH agent authentication) #368

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Use paramiko.SSHClient in SFTPDownloader (enables SSH agent authentication) #368

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9240a32
Add allow_agent parameter to SFTPDownloader
jstorrs Jun 22, 2023
e420806
Rename 'connection' object to 'client' for clarity
jstorrs Jun 22, 2023
7f41565
Fix format
jstorrs Jun 26, 2023
ad06a7e
Move load_system_host_keys() call into try block
jstorrs Jun 26, 2023
2b8ccfe
Remove allow_agent arguement (enabled by default by paramiko when usi…
jstorrs Jun 26, 2023
ce5b449
Merge branch 'main' into sftp-agent
jstorrs Oct 4, 2023
1ea1b30
Merge branch 'main' into sftp-agent
jstorrs Nov 22, 2023
21e7367
permit connection to unknown hosts
jstorrs Nov 22, 2023
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15 changes: 11 additions & 4 deletions pooch/downloaders.py
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Original file line number Diff line number Diff line change
Expand Up @@ -455,11 +455,18 @@ def __call__(self, url, output_file, pooch):
The instance of :class:`~pooch.Pooch` that is calling this method.
"""
parsed_url = parse_url(url)
connection = paramiko.Transport(sock=(parsed_url["netloc"], self.port))
client = paramiko.SSHClient()
sftp = None
try:
connection.connect(username=self.username, password=self.password)
sftp = paramiko.SFTPClient.from_transport(connection)
client.load_system_host_keys()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.connect(
hostname=parsed_url["netloc"],
port=self.port,
username=self.username,
password=self.password,
)
sftp = client.open_sftp()
sftp.get_channel().settimeout = self.timeout
if self.progressbar:
size = int(sftp.stat(parsed_url["path"]).st_size)
Expand All @@ -484,7 +491,7 @@ def callback(current, total):
else:
sftp.get(parsed_url["path"], output_file)
finally:
connection.close()
client.close()
if sftp is not None:
sftp.close()

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