Adding source as binding platform + version for tracing through the infrastructure. Separating version into a separate readable file to follow canonical Python packaging practice + relevant unit test. More details in code comments.

Author: abhishekchoudhary

browserstack/__init__.py

@@ -0,0 +1,7 @@
+import browserstack.version
+
+# Python modules report to module_name.__version__ with their version
+# Ref: https://www.python.org/dev/peps/pep-0008/#module-level-dunder-names
+# With this, browserstack.__version__ will respond with <version>
+
+__version__ = version.__version__

browserstack/local.py

@@ -1,7 +1,14 @@
 import subprocess, os, time, json, psutil
+import browserstack.version
 from browserstack.local_binary import LocalBinary
 from browserstack.bserrors import BrowserStackLocalError
 
+
+# Python modules report to module_name.__version__ with their version
+# Ref: https://www.python.org/dev/peps/pep-0008/#module-level-dunder-names
+# With this, browserstack.local.__version__ will respond with <version>
+__version__ = browserstack.version.__version__
+
 class Local:
   def __init__(self, key=None, binary_path=None, **kwargs):
     self.key = os.environ['BROWSERSTACK_ACCESS_KEY'] if 'BROWSERSTACK_ACCESS_KEY' in os.environ else key
@@ -16,8 +23,11 @@ def __xstr(self, key, value):
     else:
       return ['-' + key, value]
 
+  def _get_version(self):
+      return __version__
+
   def _generate_cmd(self):
-    cmd = [self.binary_path, '-d', 'start', '-logFile', self.local_logfile_path, self.key]
+    cmd = [self.binary_path, '-d', 'start','--source', 'python-' + self._get_version() , '-logFile', self.local_logfile_path, self.key]
     for o in self.options.keys():
       if self.options.get(o) is not None:
         cmd = cmd + self.__xstr(o, self.options.get(o))

browserstack/version.py

@@ -0,0 +1 @@
+__version__ = "1.2.3"

setup.py

@@ -1,11 +1,22 @@
+
+
+# Need to read the single-source-of-truth version file as text
+# Importing version_file here can open the door to a cyclic dependency
+def get_version(a_path):
+    with open(a_path, 'r') as version_file:
+        for a_line in version_file:
+            if '__version__' in a_line:
+                # Cleaning up all spaces and quotes around a string of the form __version__ = "x.y.z"
+                return a_line.split("=")[1].split()[0].replace('"', '').replace("'","")
+    raise RuntimeError("Unable to find version string.")
 try:
     from setuptools import setup
 except ImportError:
     from distutils.core import setup
 setup(
   name = 'browserstack-local',
   packages = ['browserstack'],
-  version = '1.2.2',
+  version = get_version("browserstack/version.py"),
   description = 'Python bindings for Browserstack Local',
   author = 'BrowserStack',
   author_email = 'support@browserstack.com',

tests/test_local.py

@@ -27,6 +27,9 @@ def test_multiple(self):
     except BrowserStackLocalError as e:
       self.assertEqual(str(e), "Either another browserstack local client is running on your machine or some server is listening on port 45691")
 
+  def test_version(self):
+      self.assertEqual("1.2.3", self.local._get_version())
+
   def test_verbose(self):
     self.local.start(v=True, onlyCommand=True)
     self.assertIn('-v', self.local._generate_cmd())