Fix: Add output argument to ConsoleOptions in config.py

logfire/_internal/config.py

@@ -14,7 +14,7 @@
 from dataclasses import dataclass, field
 from pathlib import Path
 from threading import RLock, Thread
-from typing import TYPE_CHECKING, Any, Callable, Literal, TypedDict
+from typing import TYPE_CHECKING, Any, Callable, Literal, TextIO, TypedDict
 from urllib.parse import urljoin
 from uuid import uuid4
 
@@ -141,6 +141,7 @@
 class ConsoleOptions:
     """Options for controlling console output."""
 
+    output: TextIO | None = None
     colors: ConsoleColorsValues = 'auto'
     span_style: Literal['simple', 'indented', 'show-parents'] = 'show-parents'
     """How spans are shown in the console."""

logfire/_internal/exporters/console.py

@@ -118,7 +118,15 @@ def __init__(
         verbose: bool = False,
         min_log_level: LevelName = 'info',
     ) -> None:
-        self._output = output or sys.stdout
+        if isinstance(output, str):
+            if output.lower() == 'stderr':
+                self._output = sys.stderr
+            elif output.lower() == 'stdout':
+                self._output = sys.stdout
+            else:
+                self._output = output or sys.stdout
+        else:
+            self._output = output or sys.stdout
         if colors == 'auto':
             force_terminal = None
         else: