Use versioneer for automatically bookkeeping versions based on tags

.gitattributes

@@ -0,0 +1 @@
+src/graphnet/_version.py export-subst

MANIFEST.in

@@ -0,0 +1,2 @@
+include versioneer.py
+include src/graphnet/_version.py

setup.cfg

@@ -0,0 +1,7 @@
+[versioneer]
+VCS = git
+style = pep440
+versionfile_source = src/graphnet/_version.py
+versionfile_build = graphnet/_version.py
+tag_prefix = v
+parentdir_prefix = graphnet-

setup.py

@@ -1,6 +1,7 @@
 import subprocess
 import sys
 from setuptools import setup, find_packages
+import versioneer
 
 # Utility method(s)
 def install(package):
@@ -15,6 +16,7 @@ def install(package):
         'anybadge',
         'sphinx',
         'sphinx_rtd_theme',
+        'versioneer',
     ],
 }
 
@@ -41,11 +43,12 @@ def install(package):
 
 setup(
     name='graphnet',
-    version='0.1.1',
+    version=versioneer.get_version(),
     description='A common library for using graph neural networks (GNNs) in netrino telescope experiments.',
-    url='https://github.com/icecube/graphnet',
-    author='The IceCube Collaboration',
     license='Apache 2.0',
+    author='The IceCube Collaboration',
+    url='https://github.com/icecube/graphnet',
+    cmdclass=versioneer.get_cmdclass(),
     packages=find_packages(where='src'),
     package_dir={'': 'src'},
     install_requires=INSTALL_REQUIRES,

src/graphnet/__init__.py

@@ -0,0 +1,3 @@
+
+from . import _version
+__version__ = _version.get_versions()['version']