single sourcing the sdk version value - fix version inconsistency.

Author: JAMES FUQIAN

README-sdk-dev.md

@@ -309,9 +309,9 @@ Before building and publishing a new version, the version number needs to be inc
 
 NOTE: Once a file is uploaded, it can not be replaced with a new file. A new version is needed per:  https://test.pypi.org/help/#file-name-reuse
 
-To do this, edit the following line in the `setup.py` file with the desired release version:
+To do this, edit the following line in the `./cms_bluebutton/version.py` file with the desired release version, e.g. the SDK version to be released is 1.0.0:
 
 ```
-    version="1.0.0",
+__version__ = "1.0.0",
 ```
 

cms_bluebutton/constants.py

@@ -1,8 +1,9 @@
-SDK_VERSION = "1.0.0"
+from .version import __version__ as sdk_version
+
 
 SDK_HEADERS = {
     "X-BLUEBUTTON-SDK": "python",
-    "X-BLUEBUTTON-SDK-VERSION": SDK_VERSION
+    "X-BLUEBUTTON-SDK-VERSION": sdk_version
 }
 
 REFRESH_TOKEN_ENDPOINT = "/o/token/"

setup.py

@@ -1,12 +1,16 @@
 import setuptools
 
 
+version = {}
+with open("./cms_bluebutton/version.py") as fp:
+    exec(fp.read(), version)
+
 with open("README.md", "r", encoding="utf-8") as fh:
     long_description = fh.read()
 
 setuptools.setup(
     name="cms-bluebutton-sdk",
-    version="1.0.1",
+    version=version['__version__'],
     author="CMS Blue Button 2.0 Team",
     author_email="BlueButtonAPI@cms.hhs.gov",
     license="CC0 1.0 Universal",