use setuptools_scm to extract version from Git

Author: VladaPetrovic

databox/__init__.py

@@ -1,9 +1,11 @@
 import requests
+import pkg_resources
 from requests.auth import HTTPBasicAuth
 from os import getenv
 from json import dumps as json_dumps
 
-__version__ = "2.1.0"
+_name = "databox"
+_version = pkg_resources.get_distribution(_name).version
 
 
 class Client(object):
@@ -59,8 +61,8 @@ def _push_json(self, data=None, path="/"):
                 auth=HTTPBasicAuth(self.push_token, ''),
                 headers={
                     'Content-Type': 'application/json',
-                    'User-Agent': 'databox-python/' + __version__,
-                    'Accept': 'application/vnd.databox.v' + __version__.split('.')[0] + '+json'
+                    'User-Agent': 'databox-python/' + _version,
+                    'Accept': 'application/vnd.databox.v' + _version.split('.')[0] + '+json'
                 },
                 data=data
         )
@@ -73,8 +75,8 @@ def _get_json(self, path):
                 auth=HTTPBasicAuth(self.push_token, ''),
                 headers={
                     'Content-Type': 'application/json',
-                    'User-Agent': 'databox-python/' + __version__,
-                    'Accept': 'application/vnd.databox.v' + __version__.split('.')[0] + '+json'
+                    'User-Agent': 'databox-python/' + _version,
+                    'Accept': 'application/vnd.databox.v' + _version.split('.')[0] + '+json'
                 }
         )
 
@@ -86,8 +88,8 @@ def _delete_json(self, path):
                 auth=HTTPBasicAuth(self.push_token, ''),
                 headers={
                     'Content-Type': 'application/json',
-                    'User-Agent': 'databox-python/' + __version__,
-                    'Accept': 'application/vnd.databox.v' + __version__.split('.')[0] + '+json'
+                    'User-Agent': 'databox-python/' + _version,
+                    'Accept': 'application/vnd.databox.v' + _version.split('.')[0] + '+json'
                 }
         )
 

setup.py

@@ -1,15 +1,20 @@
 # -*- coding: utf-8 -*-
 from setuptools import setup, find_packages
-from databox import __version__ as version
+import pkg_resources
+
+_name = "databox"
+_version = pkg_resources.get_distribution(_name).version
 
 setup(
-    name="databox",
-    version=version,
+    use_scm_version=True,
+    setup_requires=['setuptools_scm'],
+    name=_name,
+    version=_version,
     author="Databox",
     author_email="[email protected]",
     description="Python wrapper for Databox - Mobile Executive Dashboard.",
     url="https://github.com/databox/databox-python",
-    download_url="https://github.com/databox/databox-python/tarball/"+version,
+    download_url="https://github.com/databox/databox-python/tarball/"+_version,
     keywords=['databox', 'sdk', 'bi'],
     license='MIT',
     packages=find_packages(exclude=('databox test',)),