#!/usr/bin/env python

# -*- coding: utf-8 -*-

import sys

import tempfile

import random

import shutil

from util.ProcessLogger import ProcessLogger

from util.paths import Bpath

class LocalRuntimeMixin():

def __init__(self, log):

self.local_runtime_log = log

self.local_runtime = None

self.runtime_port = None

self.local_runtime_tmpdir = None

def StartLocalRuntime(self, taskbaricon=True):

if (self.local_runtime is None) or (self.local_runtime.exitcode is not None):

# create temporary directory for runtime working directory

self.local_runtime_tmpdir = tempfile.mkdtemp()

# choose an arbitrary random port for runtime

self.runtime_port = int(random.random() * 1000) + 61131

self.local_runtime_log.write(_("Starting local runtime...\n"))

# launch local runtime

self.local_runtime = ProcessLogger(

self.local_runtime_log,

"\"%s\" \"%s\" -p %s -i localhost %s %s" % (

sys.executable,

Bpath("Beremiz_service.py"),

self.runtime_port,

{False: "-x 0", True: "-x 1"}[taskbaricon],

self.local_runtime_tmpdir),

no_gui=False,

timeout=500, keyword=self.local_runtime_tmpdir,

cwd=self.local_runtime_tmpdir)

self.local_runtime.spin()

return self.runtime_port

def KillLocalRuntime(self):

if self.local_runtime is not None:

# shutdown local runtime

self.local_runtime.kill(gently=False)

# clear temp dir

shutil.rmtree(self.local_runtime_tmpdir)

self.local_runtime = None