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lenskit doctor: detect free-threaded Python #996

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Merged
mdekstrand merged 1 commit into from
Jan 31, 2026
+8 −0
Merged

lenskit doctor: detect free-threaded Python #996

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8 changes: 8 additions & 0 deletions src/lenskit/cli/doctor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
import platform
import re
import sys
import sysconfig
from dataclasses import dataclass
from importlib.metadata import distributions, version
from pathlib import Path
Expand Down Expand Up @@ -104,6 +105,13 @@ def inspect_platform():
yield kvp("Python version", platform.python_version())
yield kvp("Platform", platform.platform(), level=2)
yield kvp("Location", sys.executable, level=2)
if sysconfig.get_config_var("Py_GIL_DISABLED"):
if sys._is_gil_enabled():
yield " [bold][yellow]Python is free-threaded but cannot disable GIL[/yellow][/bold]"
else:
yield " [bold][cyan]Free-threading enabled[/cyan][/bold]"
else:
yield " [yellow]Python GIL enabled[/yellow]"


@group()
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