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import time
def strip_lines(string):
return '\n'.join(s.rstrip() for s in string.split('\n')).rstrip()
class TerminalBase:
def get_output_stripped(self):
return strip_lines(self.get_output())
def clear_screen(self):
result = ''
while result != '>':
# Cancel potentially running task
self.send_ctrl("c")
# Clear current command line, as fish does not do it on ^C
self.send_ctrl("u")
self.wait_for_last_line('>', 5, 0.01)
self.send('clear')
self.wait_for_last_line('> clear', 5, 0.01)
self.send_line('')
result = self.wait_for_text('>', 5, 0.01)
def complete(self, commandline, num_tabs=1, wait=5, expected=None, fast=False):
self.clear_screen()
self.send(commandline)
for _ in range(num_tabs):
self.send_tab()
if fast:
return self.wait_for_text(expected, wait, 0.01)
else:
time.sleep(wait)
return self.get_output_stripped()
def wait_for_text(self, expected, timeout, poll_interval):
expected = strip_lines(expected)
while timeout > 0.0:
result = self.get_output_stripped()
if result == expected:
return result
timeout -= poll_interval
time.sleep(poll_interval)
return self.get_output_stripped()
def wait_for_last_line(self, expected, timeout, poll_interval):
expected = expected.rstrip()
while timeout > 0.0:
result = self.get_output_stripped().split('\n')[-1]
if result == expected:
return True
timeout -= poll_interval
time.sleep(poll_interval)
return False
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