add --version option

weaverba137 · Jan 23, 2017 · 7852e65 · 7852e65
1 parent 9d6950f
commit 7852e65
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diff --git a/doc/changes.rst b/doc/changes.rst
@@ -5,7 +5,7 @@ Release Notes
 0.3.1 (unreleased)
 ------------------
 
-* No changes yet.
+* Add ``--version`` option.
 
 0.3.0 (2017-01-18)
 ------------------

diff --git a/hpsspy/scan.py b/hpsspy/scan.py
@@ -333,6 +333,7 @@ def main():
     from sys import argv
     from os import environ
     from os.path import basename, join, splitext
+    from . import __version__ as hpsspyVersion
     #
     # Options
     #
@@ -360,6 +361,8 @@ def main():
     parser.add_argument('-v', '--verbose', action='store_true',
                         dest='verbose',
                         help="Increase verbosity.")
+    parser.add_argument('-V', '--version', action='version',
+                        version="%(prog)s " + hpsspyVersion)
     parser.add_argument('config', metavar='FILE',
                         help="Read configuration from FILE.")
     parser.add_argument('release', metavar='SECTION',