Addition of version information to package and command line (#205)

* Addition of version information.

* Tweak to have setup.py pull from __version__

* Addition of command line arg to print version.

maestrowf/__init__.py

@@ -50,3 +50,6 @@ def emit(self, record):
 
 LOGGER = logging.getLogger(__name__)
 LOGGER.addHandler(NullHandler())
+
+__version_info__ = ("1", "1", "5dev")
+__version__ = '.'.join(__version_info__)

maestrowf/maestro.py

@@ -39,6 +39,7 @@
 import tabulate
 import time
 
+from maestrowf import __version__
 from maestrowf.conductor import monitor_study
 from maestrowf.datastructures import YAMLSpecification
 from maestrowf.datastructures.core import Study
@@ -392,6 +393,8 @@ def setup_argparser():
     parser.add_argument(
         "-c", "--logstdout", action="store_true", default=True,
         help="Log to stdout in addition to a file. [Default: %(default)s]")
+    parser.add_argument(
+        "-v", "--version", action="version", version='%(prog)s ' + __version__)
 
     return parser
 

setup.py

@@ -1,9 +1,10 @@
+from maestrowf import __version__
 from setuptools import setup, find_packages
 
 setup(name='maestrowf',
       description='A tool and library for specifying and conducting general '
       'workflows.',
-      version='1.1.5dev',
+      version=__version__,
       author='Francesco Di Natale',
       author_email='[email protected]',
       url='https://github.com/llnl/maestrowf',