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fix: prefer unresolved sys.executable to stay inside venv #310

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Merged
pancacake merged 1 commit into from
Apr 14, 2026
+5 −2
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fix: prefer unresolved sys.executable to stay inside venv #310

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7 changes: 5 additions & 2 deletions scripts/start_tour.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,11 +28,14 @@ def _resolve_python() -> str:
"""
exe = sys.executable
if exe:
# Prefer the unresolved path first — resolving symlinks can escape
# a virtual-env and point at the system Python, which on modern
# Homebrew / PEP 668 installs will refuse ``pip install``.
if Path(exe).exists():
return exe
resolved = str(Path(exe).resolve())
if Path(resolved).exists():
return resolved
if Path(exe).exists():
return exe
for name in ("python3", "python"):
found = shutil.which(name)
if found:
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