Add --version flag

Commit adds a --version flag to display the current version (from setup.py) and also fetch the latest version (from the git repo).
Additionally includes the version number in the header when running deletions.
Resolves #27

bin/ephemetoot

@@ -30,10 +30,14 @@ import yaml
 from argparse import ArgumentParser
 from datetime import datetime, timezone
 import os
+import pkg_resources 
 
 # local files
 from lib import ephemetoot
 
+# version number from setup.py
+vnum = pkg_resources.require("ephemetoot")[0].version
+
 parser = ArgumentParser()
 parser.add_argument(
     "--config", action="store", metavar="'filepath'", default="config.yaml", help="Filepath of your config file, relative to the current directory. If no --config path is provided, ephemetoot will use 'config.yaml'."
@@ -56,6 +60,9 @@ parser.add_argument(
 parser.add_argument(
     "--time", action="store", metavar="'hours minutes'", nargs="*", help="Hour and minute to schedule: e.g. 9 30 for 9.30am"
 )
+parser.add_argument(
+    "--version", action="store_true", help="Display the version number"
+)
 
 options = parser.parse_args()
 if options.config[0] == '~':
@@ -66,13 +73,15 @@ else:
     config_file = os.path.join( os.getcwd(), options.config )
 
 if __name__ == "__main__":
-    if options.schedule:
+    if options.version:
+        ephemetoot.version(vnum)
+    elif options.schedule:
         ephemetoot.schedule(options)
     else:
         print('')
-        print('============= EPHEMETOOT ================')
+        print('============= EPHEMETOOT v' + vnum + ' ================')
         print('Running at ' + str( datetime.now(timezone.utc).strftime('%a %d %b %Y %H:%M:%S %z') ))
-        print('=========================================')
+        print('================================================')
         print('')
         if options.test:
             print("This is a test run...")

lib/ephemetoot.py

@@ -7,6 +7,18 @@ import subprocess
 import sys
 import time
 
+def version(vnum):
+    try:
+        latest = requests.get('https://api.github.com/repos/hughrun/ephemetoot/releases/latest')
+        res = latest.json()
+        latest_version = res['name']
+        print('\nYou are using ephemetoot Version ' + vnum)
+        print('The latest release is ' + latest_version + '\n')
+    
+    except Exception as e:
+        print('Something went wrong:')
+        print(e)
+
 def schedule(options):
     try:
         with open(options.schedule + '/ephemetoot.scheduler.plist', 'r') as file:

setup.py

@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 
 setup(name='ephemetoot',
-      version='2.1.0',
+      version='2.3.1',
       url='https://github.com/hughrun/ephemetoot',
       license='GPL-3.0-or-later',
       packages=find_packages(),
@@ -10,7 +10,7 @@ setup(name='ephemetoot',
       zip_safe=False,
       author='Hugh Rundle',
       author_email='hugh@hughrundle.net',
-      description='A command line tool for selectively deleting old toots.',
+      description='A command line tool for selectively deleting old toots from one or more Mastodon accounts.',
       keywords='mastodon, mastodon api',
       project_urls={
         'Source Code': 'https://github.com/hughrun/ephemetoot',