I copied one .gz file to a remote machine using fabric. When I tried to read the same remote file, empty bytes are getting displayed.
Below is the python code I used to read the zip file from remote machine.
try:
fabric_connection = Connection(host = host_name, connect_kwargs = {'key_filename' : tmp_id, 'timeout' : 10})
fd = io.BytesIO()
remote_file = '/home/test/' + 'test.txt.gz'
fabric_connection.get(remote_file, fd)
with gzip.GzipFile(mode = 'rb', fileobj = fd) as fin:
content = fin.read()
print(content)
decoded_content = content.decode()
print(decoded_content)
except BaseException as err:
assert not err
finally:
fabric_connection.close()
It is giving below O/P:
b''
I verified on the remote machine and the content is present in the file.
Can some one please let me know how to fix this issue.
fabric_connect
writes to fd
, leaving the file pointer at end of file. You need to rewind to the front of your BytesIO
file before handing it to GzipFile
.
try:
fabric_connection = Connection(host = host_name, connect_kwargs = {'key_filename' : tmp_id, 'timeout' : 10})
fd = io.BytesIO()
remote_file = '/home/test/' + 'test.txt.gz'
fabric_connection.get(remote_file, fd)
fd.seek(0)
with gzip.GzipFile(mode = 'rb', fileobj = fd) as fin:
content = fin.read()
print(content)
decoded_content = content.decode()
print(decoded_content)
except BaseException as err:
assert not err
finally:
fabric_connection.close()