Move to SCM driven version number derived from VCS instead of hard coded version

Change VERSION constant from semver list (e.g. [2, 2, 1]) to string version (e.g. 2.2.1)
Remove STR_VERSION constant

agithub/__init__.py

@@ -1,5 +1,5 @@
 # Copyright 2012-2016 Jonathan Paugh and contributors
 # See COPYING for license details
-from agithub.base import VERSION, STR_VERSION
+from agithub.base import VERSION
 
-__all__ = ["VERSION", "STR_VERSION"]
+__all__ = ["VERSION"]

agithub/base.py

@@ -2,6 +2,7 @@
 # See COPYING for license details
 import json
 from functools import partial, update_wrapper
+from setuptools_scm import get_version
 
 import sys
 if sys.version_info[0:2] > (3, 0):
@@ -14,14 +15,13 @@ else:
     class ConnectionError(OSError):
         pass
 
-VERSION = [2, 1]
-STR_VERSION = 'v' + '.'.join(str(v) for v in VERSION)
+VERSION = get_version(root='..', relative_to=__file__)
 
 # These headers are implicitly included in each request; however, each
 # can be explicitly overridden by the client code. (Used in Client
 # objects.)
 _default_headers = {
-    'user-agent': 'agithub/' + STR_VERSION,
+    'user-agent': 'agithub/' + VERSION,
     'content-type': 'application/json'
 }
 

setup.cfg

@@ -1,5 +0,0 @@
-[egg_info]
-tag_build =
-tag_date = 0
-tag_svn_revision = 0
-

setup.py

@@ -5,10 +5,13 @@ here = path.abspath(path.dirname(__file__))
 with open(path.join(here, 'README.md')) as f:
     long_description = f.read()
 
-version = '2.2.0'
+test_requirements = ['pytest']
+
+extras = {
+    "test": test_requirements,
+}
 
 setup(name='agithub',
-      version=version,
       description="A lightweight, transparent syntax for REST clients",
       long_description=long_description,
       long_description_content_type='text/markdown',
@@ -29,4 +32,9 @@ setup(name='agithub',
       packages=find_packages(exclude=['ez_setup', 'examples', 'tests']),
       include_package_data=True,
       zip_safe=False,
+      tests_require=test_requirements,
+      extras_require=extras,
+      setup_requires=['setuptools-scm'],
+      use_scm_version=True,
+      install_requires=['setuptools-scm'],
       )