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fix: use sys.executable for pip in update commands to fix PEP 668 (#3099)

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The update commands called bare 'pip' as fallback when uv wasn't found.
On modern Debian/Ubuntu enforcing PEP 668, this resolves to system pip
which refuses to install in an externally-managed environment.

Use sys.executable -m pip to ensure the venv's pip is used. Fixed in
both cmd_update and _update_via_zip (the PR only caught one instance).

Salvaged from PR #2655 by devorun. Fixes #2648.
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Teknium 2026-03-25 17:52:59 -07:00 • committed by GitHub
parent 712cebc40f
commit 432ba3b709
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1 changed files with 6 additions and 4 deletions
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10
hermes_cli/main.py
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@ -2439,8 +2439,9 @@ def _update_via_zip(args):
cwd=PROJECT_ROOT, check=True, env=uv_env,
)
else:
venv_pip = PROJECT_ROOT / "venv" / ("Scripts" if sys.platform == "win32" else "bin") / "pip"
pip_cmd = [str(venv_pip)] if venv_pip.exists() else ["pip"]
# Use sys.executable to explicitly call the venv's pip module,
# avoiding PEP 668 'externally-managed-environment' errors on Debian/Ubuntu
pip_cmd = [sys.executable, "-m", "pip"]
try:
subprocess.run(pip_cmd + ["install", "-e", ".[all]", "--quiet"], cwd=PROJECT_ROOT, check=True)
except subprocess.CalledProcessError:
@ -2752,8 +2753,9 @@ def cmd_update(args):
cwd=PROJECT_ROOT, check=True, env=uv_env,
)
else:
venv_pip = PROJECT_ROOT / "venv" / ("Scripts" if sys.platform == "win32" else "bin") / "pip"
pip_cmd = [str(venv_pip)] if venv_pip.exists() else ["pip"]
# Use sys.executable to explicitly call the venv's pip module,
# avoiding PEP 668 'externally-managed-environment' errors on Debian/Ubuntu
pip_cmd = [sys.executable, "-m", "pip"]
try:
subprocess.run(pip_cmd + ["install", "-e", ".[all]", "--quiet"], cwd=PROJECT_ROOT, check=True)
except subprocess.CalledProcessError: