Idle fix

CHANGELOG.md

@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed markup escaping issue https://github.com/Textualize/rich/issues/2187
 - Safari - Box appearing around SVG export https://github.com/Textualize/rich/pull/2201
 - Fixed recursion error in Jupyter progress bars https://github.com/Textualize/rich/issues/2047
+- Fix crash on IDLE and forced is_terminal detection to False because IDLE can't do escape codes https://github.com/Textualize/rich/issues/2222
 
 ### Changed
 

rich/console.py

@@ -915,6 +915,13 @@ def is_terminal(self) -> bool:
         """
         if self._force_terminal is not None:
             return self._force_terminal
+
+        if hasattr(sys.stdin, "__module__") and sys.stdin.__module__.startswith(
+            "idlelib"
+        ):
+            # Return False for Idle which claims to be a tty but can't handle ansi codes
+            return False
+
         isatty: Optional[Callable[[], bool]] = getattr(self.file, "isatty", None)
         try:
             return False if isatty is None else isatty()