Dynamic __version__ read

Rudimentary is simulator check

setup.py

 from setuptools import setup
+import os
+import re
+
+
+def get_version():
+    dir_path = os.path.dirname(os.path.realpath(__file__))
+
+    teawg_init = os.path.join(dir_path, 'teawg', '__init__.py')
+
+    with open(teawg_init, 'r') as version_file:
+        #  https://packaging.python.org/guides/single-sourcing-package-version/
+        version_match = re.search(r"^__version__\s+=\s+['\"]([^'\"]*)['\"]", version_file.read(), re.M)
+
+    if version_match:
+        return version_match.group(1)
+    else:
+        raise RuntimeError("Unable to find version string.")
+
 
 setup(
     name='pytabor',
-    version='0.0.1',
+    version=get_version(),
     packages=['pytabor', 'teawg'],
     package_dir={'pytabor': 'pytabor', 'teawg': 'teawg'},
     url='',

teawg/__init__.py

@@ -37,6 +37,8 @@ import time
 import posixpath
 
 from pyvisa.errors import VisaIOError, VI_ERROR_TMO
+from pyvisa.resources import TCPIPSocket
+from pyvisa.constants import InterfaceType
 
 import pytabor
 
@@ -438,6 +440,13 @@ class TEWXAwg(object):
         '''Get the firmware version '''
         return self._fw_ver
 
+    @property
+    def is_simulator(self):
+        '''True if IP address is localhost'''
+        if self.visa_inst and self.visa_inst.interface_type == InterfaceType.tcpip:
+            return '127.0.0.1' in self.visa_inst.resource_name or 'localhost' in self.visa_inst.resource_name
+        return False
+
     @property
     def paranoia_level(self):
         '''Get the (default) paranoia-level