fix: play: make settings optional. Don't capture stderr for Windows.

arey/platform/console.py

@@ -9,7 +9,6 @@
 
 from rich.console import Console
 from rich.theme import Theme
-from wurlitzer import pipes
 
 theme = Theme(
     {
@@ -51,7 +50,13 @@ def __exit__(self, exc_type, exc_value, traceback):
 def capture_stderr() -> Generator[StringIO, None, None]:
     """Capture stderr for both python and c-functions."""
     stderr = io.StringIO()
-    with redirect_stderr(stderr) as err, pipes(
-        stdout=0, stderr=stderr, encoding="utf-8"
-    ):
-        yield err
+    try:
+        from wurlitzer import pipes
+
+        with redirect_stderr(stderr) as err, pipes(
+            stdout=0, stderr=stderr, encoding="utf-8"
+        ):
+            yield err
+    except Exception:
+        # Not supported on Windows. Disable stderr capture.
+        yield stderr

arey/play.py

@@ -14,7 +14,7 @@
 from arey.platform.assets import get_asset_path
 from arey.platform.llama import LlamaBaseModel
 from arey.platform.console import capture_stderr
-from typing import Dict, Optional, Iterator
+from typing import Dict, Optional, Iterator, cast
 
 
 config = get_config()
@@ -72,8 +72,8 @@ def get_play_file(file_path: str) -> PlayFile:
         play_file = frontmatter.load(f)
 
     # FIXME validate settings
-    model_config = config.models[play_file.metadata["model"]]
-    model_settings = play_file.metadata["settings"]
+    model_config = config.models[cast(str, play_file.metadata["model"])]
+    model_settings: dict = cast(dict, play_file.metadata.get("settings", {}))
     return PlayFile(
         file_path=play_file_path,
         model_config=model_config,