https://github.com/python/cpython/commit/fea2a57282d243edd95c2166aa685c2568c47eaf
commit: fea2a57282d243edd95c2166aa685c2568c47eaf
branch: main
author: Sergey Miryanov <[email protected]>
committer: pablogsal <[email protected]>
date: 2026-05-02T09:23:16Z
summary:
GH-148932: Improve error message if profiling.sampling run from venv on Windows
platform (#149247)
files:
M Lib/profiling/sampling/sample.py
diff --git a/Lib/profiling/sampling/sample.py b/Lib/profiling/sampling/sample.py
index 6a76bbeeb24ee3..9195f5ee6dd390 100644
--- a/Lib/profiling/sampling/sample.py
+++ b/Lib/profiling/sampling/sample.py
@@ -58,6 +58,10 @@ def __init__(self, pid, sample_interval_usec, all_threads,
*, mode=PROFILING_MOD
try:
self.unwinder = self._new_unwinder(native, gc, opcodes,
skip_non_matching_threads)
except RuntimeError as err:
+ if os.name == "nt" and sys.executable.endswith("python.exe"):
+ raise SystemExit(
+ "Running profiling.sampling from virtualenv on Windows
platform is not supported"
+ ) from err
raise SystemExit(err) from err
# Track sample intervals and total sample count
self.sample_intervals = deque(maxlen=100)
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