add option --enable-python to clingo entry point

libpyclingo/clingo/__main__.py

@@ -1,7 +1,9 @@
 """
 Module providing the clingo-like pyclingo application.
 """
-from clingo import Application, clingo_main
+
+from clingo.application import Application, ApplicationOptions, Flag, clingo_main
+from clingo.script import enable_python
 
 
 class PyClingoApplication(Application):
@@ -11,7 +13,23 @@ class PyClingoApplication(Application):
 
     program_name = "pyclingo"
 
+    def __init__(self):
+        self._enable_python = Flag()
+
+    def register_options(self, options: ApplicationOptions):
+        """
+        Register additional options.
+        """
+        options.add_flag(
+            "Basic Options",
+            "enable-python",
+            "Enable Python script tags",
+            self._enable_python,
+        )
+
     def main(self, control, files):
+        if self._enable_python:
+            enable_python()
         for file_ in files:
             control.load(file_)
         if not files: