High sierra fix for serial ports

Author: dhoomakethu

.gitignore

@@ -66,3 +66,4 @@ target/
 
 #JSONFiles
 *.json
+/.venv

modbus_simulator/templates/modbussimu.kv

@@ -298,6 +298,7 @@
                 id: riptide_logo
                 with_previous: False
                 disabled: True
+                title: '    v1.0.0'
             ActionOverflow:
             ActionButton:
                 id: reset_simulation

modbus_simulator/ui/gui.py

@@ -17,14 +17,24 @@
 from modbus_simulator.utils.backgroundJob import BackgroundJob
 import re
 import os
-import click
+import platform
 
 from json import load, dump
 from kivy.config import Config
 from kivy.lang import Builder
-import modbus_simulator.ui.datamodel
+import modbus_simulator.ui.datamodel  #noqa
 from pkg_resources import resource_filename
 from serial.serialutil import SerialException
+
+IS_DARWIN = platform.system().lower() == "darwin"
+OSX_SIERRA = 10.12
+if IS_DARWIN:
+    MAC_VERSION = float(platform.mac_ver()[0])
+else:
+    MAC_VERSION = 0
+
+DEFAULT_SERIAL_PORT = '/dev/ptyp0' if MAC_VERSION <= OSX_SIERRA else '/dev/ttyp0'
+
 if USE_PYMODBUS:
     from modbus_simulator.utils.pymodbus_server import ModbusSimu
 else:
@@ -363,7 +373,7 @@ def update_serial_connection_info(self, checkbox, value):
         if value:
             self.interface_settings.current = checkbox
             if self.last_active_port['serial'] == "":
-                self.last_active_port['serial'] = '/dev/ptyp0'
+                self.last_active_port['serial'] = DEFAULT_SERIAL_PORT
             self.port.text = self.last_active_port['serial']
             self._restore()
         else:

modbus_simulator/version.py

@@ -0,0 +1,7 @@
+"""
+Copyright (c) 2017 Riptide IO, Inc. All Rights Reserved.
+
+"""
+from __future__ import absolute_import, unicode_literals
+
+__VERSION__ = "1.0.0"

setup.py

@@ -1,4 +1,5 @@
 from setuptools import setup, find_packages
+from modbus_simulator.version import __VERSION__
 
 
 def install_requires():
@@ -17,7 +18,7 @@ def readme():
 setup(
     name="modbus_simulator",
     url="https://bitbucket.org/riptideio/modbus-simulator",
-    version="1.0",
+    version=__VERSION__,
     description="Modbus Simulator using modbus_tk and kivy",
     long_description=readme(),
     keywords="Modbus Simulator",