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import os
from wetb.hawc2.htc_file import HTCFile
from wetb.hawc2.log_file import LogFile, SIMULATING
from threading import Timer, Thread
import sys
from multiprocessing.process import Process
import psutil
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import subprocess
import shutil
import json
import glob
class Simulation(object):
is_simulating = False
def __init__(self, modelpath, htcfilename, hawc2exe="HAWC2MB.exe"):
self.modelpath = modelpath
self.folder = os.path.dirname(htcfilename)
if not os.path.isabs(htcfilename):
htcfilename = os.path.join(modelpath, htcfilename)
self.filename = os.path.basename(htcfilename)
self.htcFile = HTCFile(htcfilename)
self.time_stop = self.htcFile.simulation.time_stop[0]
self.log_filename = self.htcFile.simulation.logfile[0]
if os.path.isabs(self.log_filename):
self.log_filename = os.path.relpath(self.log_filename, self.modelpath)
self.logFile = LogFile(os.path.join(self.modelpath, self.log_filename), self.time_stop)
self.logFile.clear()
self.last_status = (0, "Pending", [])
self.thread = Thread(target=self.simulate)
self.simulationThread = SimulationThread(self.modelpath, self.htcFile.filename, hawc2exe)
self.timer = RepeatedTimer(1, self.update_status)
def update_status(self, *args, **kwargs):
status = self.logFile.status()
if status[1] == SIMULATING:
if self.last_status[1] != SIMULATING:
print ("|" + ("-"*50) + "|" + ("-"*49) + "|")
sys.stdout.write("|")
#print (status)
sys.stdout.write("."*(status[0] - self.last_status[0]))
sys.stdout.flush()
elif self.last_status[1] == SIMULATING and status[1] != SIMULATING:
sys.stdout.write("."*(status[0] - self.last_status[0]) + "|")
sys.stdout.flush()
print ("\n")
if status[1] != SIMULATING:
if status[2]:
print (status[1:])
else:
print (status[1])
self.last_status = status
def prepare_simulation(self, id):
self.tmp_modelpath = os.path.join(self.modelpath, id + "/")
additional_files_file = os.path.join(self.modelpath, 'additional_files.txt')
additional_files = []
if os.path.isfile(additional_files_file):
with open(additional_files_file) as fid:
additional_files = json.load(fid).get('input', [])
for src in self.htcFile.input_files() + self.htcFile.turbulence_files() + additional_files:
if not os.path.isabs(src):
src = os.path.join(self.modelpath, src)
for src_file in glob.glob(src):
dst = os.path.join(self.tmp_modelpath, os.path.relpath(src_file, self.modelpath))
os.makedirs(os.path.dirname(dst), exist_ok=True)
shutil.copy(src_file, dst)
self.logFile.filename = os.path.join(self.tmp_modelpath, self.log_filename)
self.simulationThread.modelpath = self.tmp_modelpath
def finish_simulation(self, copy_turbulence):
files = self.htcFile.output_files()
if copy_turbulence:
files.extend(self.htcFile.turbulence_files())
for dst in files:
if not os.path.isabs(dst):
dst = os.path.join(self.modelpath, dst)
src = os.path.join(self.tmp_modelpath, os.path.relpath(dst, self.modelpath))
if os.path.isfile(src):
os.makedirs(os.path.dirname(dst), exist_ok=True)
if not os.path.isfile(dst) or os.path.getmtime(dst) != os.path.getmtime(src):
shutil.copy(src, dst)
self.logFile.filename = os.path.join(self.modelpath, self.log_filename)
shutil.rmtree(self.tmp_modelpath)
def simulate(self):
self.is_simulating = True
self.timer.start()
self.simulationThread.start()
self.simulationThread.join()
errorcode, stdout, stderr, cmd = self.simulationThread.res
if errorcode:
print (errorcode)
print (stdout)
print (stderr)
print (cmd)
self.timer.stop()
self.is_simulating = False
self.update_status()
def start(self):
self.thread.start()
def terminate(self):
self.timer.stop()
self.simulationThread.process.kill()
self.simulationThread.join()
class SimulationProcess(Process):
def __init__(self, modelpath, htcfile, hawc2exe="HAWC2MB.exe"):
Process.__init__(self)
self.modelpath = modelpath
self.htcfile = os.path.abspath(htcfile)
self.hawc2exe = hawc2exe
self.res = [0, "", "", ""]
self.process = process([self.hawc2exe, self.htcfile] , self.modelpath)
def run(self):
p = psutil.Process(os.getpid())
p.nice = psutil.BELOW_NORMAL_PRIORITY_CLASS
exec_process(self.process)
class SimulationThread(Thread):
def __init__(self, modelpath, htcfile, hawc2exe):
Thread.__init__(self)
self.modelpath = modelpath
self.htcfile = os.path.relpath(htcfile, self.modelpath)
self.hawc2exe = hawc2exe
self.res = [0, "", "", ""]
def start(self):
si = subprocess.STARTUPINFO()
si.dwFlags |= subprocess.STARTF_USESHOWWINDOW
CREATE_NO_WINDOW = 0x08000000
self.process = subprocess.Popen([self.hawc2exe, self.htcfile], stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=False, cwd=self.modelpath, creationflags=CREATE_NO_WINDOW)
Thread.start(self)
def run(self):
p = psutil.Process(os.getpid())
p.nice = psutil.BELOW_NORMAL_PRIORITY_CLASS
self.res = exec_process(self.process)
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class RepeatedTimer(object):
def __init__(self, interval, function, *args, **kwargs):
self._timer = None
self.interval = interval
self.function = function
self.args = args
self.kwargs = kwargs
self.is_running = False
def _run(self):
self.is_running = False
self.start()
self.function(*self.args, **self.kwargs)
def start(self):
if not self.is_running:
self._timer = Timer(self.interval, self._run)
self._timer.start()
self.is_running = True
def stop(self):
self._timer.cancel()
self.is_running = False
if __name__ == "__main__":
sim = Simulation('C:\mmpe\HAWC2\Hawc2_model/', 'htc/error.htc')
sim.simulate()