Fixing single source version

Author: bridadan

setup.py

@@ -15,9 +15,7 @@
 
 import os
 from distutils.core import setup
-from io import open
 from setuptools import find_packages
-#import mbed_os_tools
 
 DESCRIPTION = "The tools to build, test, and work with Mbed OS"
 OWNER_NAMES = "Jimmy Brisson, Brian Daniels"
@@ -26,12 +24,13 @@
 
 # Utility function to cat in a file (used for the README)
 def read(fname):
-    return open(os.path.join(os.path.dirname(__file__), fname), encoding="utf8").read()
+    with open(os.path.join(os.path.dirname(__file__), fname), 'r') as f:
+        return f.read()
 
 
 setup(
     name="mbed-os-tools",
-    version='0.0.1',
+    version=read("src/mbed_os_tools/VERSION.txt"),
     description=DESCRIPTION,
     long_description=read("README.md"),
     author=OWNER_NAMES,
@@ -41,6 +40,7 @@ def read(fname):
     url="https://github.com/ARMmbed/mbed-os-tools",
     packages=find_packages("src"),
     package_dir={"": "src"},
+    package_data={"": ["VERSION.txt"]},
     license="Apache-2.0",
     test_suite="test",
     install_requires=[

src/mbed_os_tools/VERSION.txt

@@ -0,0 +1 @@
+0.0.1

src/mbed_os_tools/__init__.py

@@ -13,4 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.0.1"
+import os
+
+_version_file_path = os.path.join(os.path.dirname(__file__), "VERSION.txt")
+with open(_version_file_path, 'r') as _version_file:
+    __version__ = _version_file.read().strip()