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Code Issues Releases Wiki Activity

ssh: Fix command line echoing

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Command line echoing was disabled, but that disabling did not take
effect. Another part of devlib was still expecting command lines to be
echoed. That is fixed by disabling echoing when creating pxssh
connection, and removing the code that expected the line to be echoed.
This commit is contained in:
Douglas RAILLARD 2019-02-01 11:35:05 +00:00 committed by Marc Bonnici
parent 22f2c8b663
commit 2e81a72b39
1 changed files with 2 additions and 6 deletions
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8
devlib/utils/ssh.py
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@ -63,7 +63,7 @@ def ssh_get_shell(host, username, password=None, keyfile=None, port=None, timeou
raise ValueError('keyfile may not be used with a telnet connection.')
conn = TelnetPxssh(original_prompt=original_prompt)
else: # ssh
conn = pxssh.pxssh()
conn = pxssh.pxssh(echo=False)
try:
if keyfile:
@ -278,15 +278,11 @@ class SshConnection(object):
logger.debug(command)
self._sendline(command)
timed_out = self._wait_for_prompt(timeout)
# the regex removes line breaks potential introduced when writing
# command to shell.
if sys.version_info[0] == 3:
output = process_backspaces(self.conn.before.decode(sys.stdout.encoding or 'utf-8', 'replace'))
else:
output = process_backspaces(self.conn.before)
output = re.sub(r'\r([^\n])', r'\1', output)
if '\r\n' in output: # strip the echoed command
output = output.split('\r\n', 1)[1]
if timed_out:
self.cancel_running_command()
raise TimeoutError(command, output)