[Experimental] Add automated versioning with setuptools_scm. (#37)

* Attempt to add automated versioning.

* Support sphinx as well.

docs/source/conf.py

@@ -14,6 +14,7 @@
 #
 import os
 import sys
+from pkg_resources import get_distribution
 sys.path.insert(0, os.path.abspath('..'))
 
 
@@ -26,7 +27,7 @@
 # The short X.Y version
 version = ''
 # The full version, including alpha/beta/rc tags
-release = '0.1.9'
+release = get_distribution('sctools').version
 
 
 # -- General configuration ---------------------------------------------------

setup.py

@@ -13,7 +13,8 @@
 
 setup(
     name='sctools',
-    version='0.1.6',
+    use_scm_version=True,
+    setup_requires=['setuptools_scm'],
     description='Utilities for large-scale distributed single cell data processing',
     url='https://github.com/humancellatlas/sctools.git',
     author='Ambrose J. Carr',
@@ -29,6 +30,7 @@
         'sphinx',
         'sphinxcontrib-napoleon',
         'sphinx_rtd_theme',
+        'setuptools_scm'
     ],
     entry_points={
             'console_scripts': [

src/sctools/__init__.py

@@ -7,3 +7,10 @@
 from . import reader
 from . import metrics
 from . import platform
+from pkg_resources import get_distribution, DistributionNotFound
+
+
+try:
+    __version__ = get_distribution(__name__).version
+except DistributionNotFound:
+    pass