Merge pull request #27 from nlpsuge/dev-versions

Keep version in a single place and support display version via -v/--version

TODO.md

@@ -41,3 +41,4 @@ Note that this to-do list may not cover all cases.
 - [x] Update requirements.txt
   - [x] python3-gobject is missing? No.
 - [ ] Move Windows from one monitor to another automatically
+- [x] Support display version via -v/--version

setup.py

@@ -7,12 +7,16 @@
 
 here = pathlib.Path(__file__).parent.resolve()
 
+# Get the version from xsession_manager/version.py without importing the package (inspired by youtube-dl)
+exec(compile(open('xsession_manager/version.py').read(),
+             'xsession_manager/version.py', 'exec'))
+
 long_description = (here / 'README.md').read_text(encoding='utf-8')
 
 setup(
     # pip install xsession-manager
     name='xsession-manager',
-    version='1.0.5',
+    version=__version__,
     description='A command line to save and restore sessions for X11 desktops like Gnome, with many other features',
     long_description=long_description,
     long_description_content_type='text/markdown',

xsession_manager/arguments_parser.py

@@ -1,5 +1,6 @@
 import argparse
 import sys
+from .version import __version__
 
 
 class ArgumentsParser:
@@ -57,6 +58,10 @@ def parse_arguments(self):
                             help='Auto move windows to specified workspaces according to a saved session. '
                                  'The default session is `xsession-default`')
 
+        parser.add_argument('-v', '--version',
+                            action='version',
+                            version=__version__)
+
         if len(sys.argv) == 1:
             print('No arguments provided.\n')
             parser.print_help(sys.stderr)

xsession_manager/version.py

@@ -0,0 +1,2 @@
+
+__version__ = '1.0.5'