Merge pull request #3 from schinckel/dash-dash-version

Support graaf --version

graaf/__init__.py

@@ -4,6 +4,12 @@
 
 from .base import get_yaml
 
+VERSION = (0, 2, 0)
+
+
+def get_version():
+    return '.'.join(map(str, VERSION))
+
 
 class Processor(object):
     '''

scripts/graaf

@@ -2,6 +2,7 @@
 
 import argparse
 from importlib import import_module
+import sys
 
 from graaf import Processor
 from graaf.base import get_yaml
@@ -17,9 +18,16 @@ parser.add_argument('--templates', '-t', metavar='TMPL', default=None,
                     help='Directory to search for templates in.')
 parser.add_argument('--config', '-c', metavar='CONFIG', default='graaf.yml',
                     help='Specify config file to use.')
+parser.add_argument('--version', '-V', action='store_true',
+                    help='Print the version number and exit.')
 
 args = parser.parse_args()
 
+if args.version:
+    from graaf import get_version
+    print(get_version())
+    sys.exit()
+
 config = get_yaml(args.config)
 
 opts = {}