Pamhyr2/src/Solver/ASolver.py

204 lines
4.3 KiB
Python

# -*- coding: utf-8 -*-
import os
from signal import SIGTERM, SIGSTOP, SIGCONT
from subprocess import Popen, PIPE, STDOUT, TimeoutExpired
from enum import Enum
from Model.Except import NotImplementedMethodeError
class STATUS(Enum):
NOT_LAUNCHED = -1
STOPED = 0
RUNNING = 1
FAILED = 2
CONF_ERROR = 3
KILLED = 4
PAUSED = 5
class AbstractSolver(object):
def __init__(self, name):
super(AbstractSolver, self).__init__()
self._current_process = None
self._status = STATUS.NOT_LAUNCHED
# Informations
self._type = ""
self._name = name
self._description = ""
self._path_input = ""
self._path_solver = ""
self._path_output = ""
self._cmd_input = ""
self._cmd_solver = ""
self._cmd_output = ""
self._process = None
self._output = None
def __str__(self):
return f"{self._name} : {self._type} : {self._description}"
def __getitem__(self, key):
ret = None
if key == "name":
ret = self._name
elif key == "description":
ret = self._description
elif key == "type":
ret = self._type
return ret
@classmethod
def default_parameters(cls):
lst = [
("all_init_time", "00:00:00:00"),
("all_final_time", "999:99:00:00"),
("all_timestep", "300.0"),
]
return lst
@classmethod
def checkers(cls):
lst = [
]
return lst
@property
def name(self):
return self._name
@property
def description(self):
return self._description
@property
def status(self):
return self._status
@property
def type(self):
return self._type
@status.setter
def status(self, status):
self._status = status
@name.setter
def name(self, name):
self._name = name
@description.setter
def description(self, description):
self._description = description
def set_input(self, path, cmd):
self._path_input = path
self._cmd_input = cmd
def set_solver(self, path, cmd):
self._path_solver = path
self._cmd_solver = cmd
def set_output(self, path, cmd):
self._path_output = path
self._cmd_output = cmd
# Export
def export(self, study):
raise NotImplementedMethodeError(self, self.export)
# Run
def run_input_data_fomater(self):
if self._cmd_input == "":
return True
return False
def run_solver(self):
if self._cmd_solver == "":
return True
cmd = self._cmd_solver
cmd = cmd.replace("@path", self._path_solver).split()
exe = cmd[0]
args = cmd[1:]
self._process.start(
exe, args,
)
self._process.readyRead.connect(self._data_ready)
return True
def run_output_data_fomater(self):
if self._cmd_output == "":
return True
return False
def _data_ready(self):
s = self._process.readAll().data().decode()
if self._output is not None:
self._output.put(s)
def run(self, process, output_queue):
self._process = process
self._output = output_queue
if self.run_input_data_fomater():
if self.run_solver():
return self.run_output_data_fomater()
def kill(self):
if self._process is None:
return True
self._process.kill()
self._status = STATUS.KILLED
return True
def start(self):
if self._process is None:
return False
if self._status == STATUS.PAUSED:
os.kill(self._process.pid(), SIGCONT)
self._status = STATUS.RUNNING
else:
self.run_solver()
return True
def pause(self):
if self._process is None:
return False
os.kill(self._process.pid(), SIGSTOP)
self._status = STATUS.PAUSED
return True
def stop(self):
if self._process is None:
return False
self._process.terminate()
self._status = STATUS.STOPED
return True
def wait(self):
if self._process is None:
return False
self._process.wait()
self._status = STATUS.STOPED
return True