add version option to cli

Author: claromes

waybacktweets/_cli.py

@@ -3,6 +3,7 @@
 """
 
 from datetime import datetime
+from importlib.metadata import version
 from typing import Any, Optional
 
 import click
@@ -13,6 +14,8 @@
 from waybacktweets.api.request import WaybackTweets
 from waybacktweets.config.config import config
 
+PACKAGE_NAME = "waybacktweets"
+
 
 def _parse_date(
     ctx: Optional[Any] = None, param: Optional[Any] = None, value: Optional[str] = None
@@ -108,6 +111,7 @@ def _parse_date(
     default=False,
     help="Shows the log.",
 )
+@click.version_option(version=version(PACKAGE_NAME), prog_name=PACKAGE_NAME)
 def main(
     username: str,
     collapse: Optional[str],