feat: add a --version flag (#619)

Author: sansyrox

robyn/__main__.py

@@ -3,6 +3,7 @@
 from InquirerPy import prompt
 from InquirerPy.base.control import Choice
 from .argument_parser import Config
+from robyn.robyn import get_version
 
 
 def create_robyn_app():
@@ -81,11 +82,13 @@ def docs():
     webbrowser.open("https://sparckles.github.io/robyn/#/")
 
 
-
 if __name__ == "__main__":
     config = Config()
     if config.create:
         create_robyn_app()
 
+    if config.version:
+        print(get_version())
+
     if config.docs:
         docs()

robyn/argument_parser.py

@@ -51,6 +51,12 @@ def __init__(self) -> None:
             default=False,
             help="Open the browser on successful start.",
         )
+        parser.add_argument(
+            "--version",
+            action="store_true",
+            default=False,
+            help="Show the Robyn version.",
+        )
 
         args, _ = parser.parse_known_args()
 
@@ -60,6 +66,7 @@ def __init__(self) -> None:
         self.create = args.create
         self.docs = args.docs
         self.open_browser = args.open_browser
+        self.version = args.version
 
         if self.dev and (self.processes != 1 or self.workers != 1):
             raise Exception("--processes and --workers shouldn't be used with --dev")