Introduce versioneer for versioning

Signed-off-by: Peter Goetz <[email protected]>

.gitattributes

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

MANIFEST.in

@@ -6,3 +6,5 @@ include LICENSE
 include dowhy/VERSION
 recursive-include docs *
 recursive-include tests *.py
+include versioneer.py
+include dowhy/_version.py

docs/source/conf.py

@@ -14,20 +14,15 @@
 #
 import os
 import sys
-sys.path.insert(0, os.path.abspath("../../"))
 
+sys.path.insert(0, os.path.abspath("../../"))
 
 # -- Project information -----------------------------------------------------
 
 project = 'DoWhy | An end-to-end library for causal inference'
 copyright = '2022, PyWhy contributors'
 author = 'Amit Sharma, Emre Kiciman'
 
-# The short X.Y version
-version = '0.8'
-# The full version, including alpha/beta/rc tags
-release = ''
-
 
 # -- General configuration ---------------------------------------------------
 

dowhy/__init__.py

@@ -1,10 +1,7 @@
 import logging
-from os import path
 from dowhy.causal_model import CausalModel
+from . import _version
 
 logging.getLogger(__name__).addHandler(logging.NullHandler())
 
-here = path.abspath(path.dirname(__file__))
-# Loading version number
-with open(path.join(here, 'VERSION')) as version_file:
-    __version__ = version_file.read().strip()
+__version__ = _version.get_versions()["version"]