On 03/11/2011 09:22, Jacob Abraham wrote:
Hi All,
I need help with the below mentioned script. The second time I
call a.execute, self.transport.open_session() fails with an EOF error.
Is this a paramiko bug or am I doing something wrong?
import paramiko
class Connection(object):
def __init__(self, host, username = None, password = None,
private_key = None, \
port = 22):
self.transport = paramiko.Transport((host, port))
self.live = True
self.transport.connect(username = username, password = password)
def execute(self, command):
channel = self.transport.open_session()
channel.exec_command(command)
output = channel.makefile('rb', -1).readlines()
if output:
print output
else:
print channel.makefile_stderr('rb', -1).readlines()
def close(self):
if self.live:
self.transport.close()
self.live = False
def __del__(self):
self.close()
if __name__ == '__main__':
a= Connection('ip_or_hostname', 'root', '')
print a.execute('version')
print a.execute('version')
print a.execute('version')
a.close()
I notice that in the 'execute' method you're opening the session, but
not closing it.
Could that be the cause of the problem?
I also notice that in that method you're printing the output, not
returning it, but when you call the execute method you're trying to
print the result, which will be None.
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