Fix renderer backend INFO logs silenced on kitless backends

source/isaaclab/changelog.d/mataylor-fix-kitless-renderer-logging.rst

@@ -0,0 +1,5 @@
+Fixed
+^^^^^
+
+* Fixed ``[INFO]: Created new renderer for simulation`` and ``[INFO]: Using renderer`` log lines
+  being silenced when running with kitless physics backends (Newton, OvPhysX).

source/isaaclab/isaaclab/app/logging_utils.py

@@ -16,6 +16,7 @@
 import argparse
 import logging
 import sys
+from contextlib import contextmanager
 
 
 def resolve_python_logging_level(launcher_args: argparse.Namespace | dict | None = None) -> int:
@@ -48,6 +49,27 @@ def resolve_python_logging_level(launcher_args: argparse.Namespace | dict | None
     return logging.WARNING if level == logging.NOTSET else level
 
 
+@contextmanager
+def force_log_level(level: int):
+    """Context manager that temporarily lowers the root logger and its handlers to *level*, then restores them.
+
+    Args:
+        level: The logging level to enforce inside the block (e.g. :data:`logging.INFO`).
+    """
+    root = logging.getLogger()
+    saved_root = root.level
+    saved_handlers = [(h, h.level) for h in root.handlers]
+    root.setLevel(level)
+    for h, _ in saved_handlers:
+        h.setLevel(level)
+    try:
+        yield
+    finally:
+        root.setLevel(saved_root)
+        for h, saved in saved_handlers:
+            h.setLevel(saved)
+
+
 def apply_python_logging_level(level: int) -> None:
     """Apply a Python logging level to the root logger and its handlers.
 

source/isaaclab/isaaclab/renderers/render_context.py

@@ -10,6 +10,7 @@
 import logging
 from typing import Any, cast
 
+from isaaclab.app.logging_utils import force_log_level
 from isaaclab.sensors.camera.camera_data import CameraData
 
 from .base_renderer import BaseRenderer
@@ -78,10 +79,8 @@ def get_renderer(self, cfg: RendererCfg) -> BaseRenderer:
                 return r
         new_renderer = cast(BaseRenderer, Renderer(cfg))  # type: ignore[misc]
         self._renderer_entries.append((cfg, new_renderer))
-        logger.info(
-            "Created new renderer for simulation: %s",
-            type(new_renderer).__name__,
-        )
+        with force_log_level(logging.INFO):
+            logger.info("Created new renderer for simulation: %s", type(new_renderer).__name__)
         if self._physics_initialized:
             new_renderer.initialize()
         return new_renderer

source/isaaclab/isaaclab/sensors/camera/camera.py

@@ -17,6 +17,7 @@
 
 import isaaclab.sim as sim_utils
 import isaaclab.utils.sensors as sensor_utils
+from isaaclab.app.logging_utils import force_log_level
 from isaaclab.cloner import queue_replication
 from isaaclab.renderers import BaseRenderer, CameraRenderSpec
 from isaaclab.sim.views import FrameView
@@ -512,7 +513,8 @@ def _initialize_impl(self):
         if sim_ctx is None:
             raise RuntimeError("SimulationContext is not initialized.")
         self._renderer = sim_ctx.render_context.get_renderer(self.cfg.renderer_cfg)
-        logger.info("Using renderer: %s", type(self._renderer).__name__)
+        with force_log_level(logging.INFO):
+            logger.info("Using renderer: %s", type(self._renderer).__name__)
 
         # Build the render spec early — both the wrapper ISP (which delegates
         # any renderer-side per-camera setup) and ``create_render_data`` consume