def create_process_wrapper(executor, command, working_directory, env_variables):
run_pty = executor.config.requires_terminal
if run_pty and not os_utils.is_pty_supported():
LOGGER.warning(
"Requested PTY mode, but it's not supported for this OS (" + sys.platform + '). Falling back to POpen')
run_pty = False
if run_pty:
from execution import process_pty
process_wrapper = process_pty.PtyProcessWrapper(command, working_directory, env_variables)
else:
process_wrapper = process_popen.POpenProcessWrapper(command, working_directory, env_variables)
return process_wrapper
def start(self, process_constructor=None):
if self.process_wrapper is not None:
raise Exception('Executor already started')
script_args = build_command_args(self.parameter_values, self.config)
command = self.script_base_command + script_args
if process_constructor:
process_wrapper = process_constructor(command,
self.working_directory)
else:
run_pty = self.config.is_requires_terminal()
if run_pty and not os_utils.is_pty_supported():
LOGGER.warning(
"Requested PTY mode, but it's not supported for this OS ("
+ sys.platform + '). Falling back to POpen')
run_pty = False
if run_pty:
from execution import process_pty
process_wrapper = process_pty.PtyProcessWrapper(
command, self.working_directory)
else:
process_wrapper = process_popen.POpenProcessWrapper(
command, self.working_directory)
process_wrapper.start()
self.process_wrapper = process_wrapper
self.output_stream = process_wrapper.output_stream \
.time_buffered(TIME_BUFFER_MS, _concat_output)
if self.secure_replacements:
self.secure_output_stream = self.output_stream \
.map(self.__replace_secure_variables)
else:
self.secure_output_stream = self.output_stream
return process_wrapper.get_process_id()