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Improve marimo detection #201

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Merged
almarklein merged 1 commit into from
Mar 25, 2026
Merged

Improve marimo detection #201

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8 changes: 2 additions & 6 deletions rendercanvas/auto.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,6 @@
import sys
import importlib
from typing import cast
import __main__ as main_module

from .core.coreutils import (
logger,
Expand Down Expand Up @@ -134,11 +133,8 @@ def backends_by_notebook():
"""Generate backend names that are appropriate for the current Jupyter session (if any)."""

# Detect Marimo: https://github.com/marimo-team/marimo/discussions/8865
try:
_ = main_module.__marimo__
yield "jupyter", "running in Marimo"
except AttributeError:
pass
if "marimo" in sys.modules and sys.modules["marimo"].running_in_notebook():
yield "jupyter", "running on Marimo"

try:
ip = get_ipython() # type: ignore
Expand Down
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