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fix(hyperframes-media): install MusicGen deps via python3 -m pip, not bare pip (#1894)

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pipInstall() spawned a bare "pip" binary. Many Homebrew/system Python
installs expose only python3/pip3 on PATH, so the spawn silently ENOENTs
and the documented "auto-installed on demand" local MusicGen path never
actually installs anything - the failure is invisible since spawnSync's
status just comes back non-zero like any other install failure.

Switched to `python3 -m pip install`, matching this same file's own
pyOk() convention of always invoking python3 explicitly. This also
closes a second latent bug: a bare pip/pip3 could resolve to a different
Python installation than the python3 binary pyOk() probes against if
more than one is on PATH, so `-m pip` guarantees the install lands in the
exact interpreter being checked.

Manually verified `python3 -m pip --version` succeeds in this
environment. No automated test added - this is a literal command-array
swap with no new branching logic, and spawnSync is a named import from
node:child_process with no clean mocking path available without a
larger refactor disproportionate to the fix's size.
This commit is contained in:
Miguel Ángel
2026-07-04 14:18:56 -07:00
committed by GitHub
parent 3388635f1d
commit 942080fa8e
2 changed files with 9 additions and 2 deletions
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skills/hyperframes-media/scripts/lib/bgm.mjs
+8 -1
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@@ -30,8 +30,15 @@ function pyOk(probe) {
const { cmd, args } = pythonInvocation(["-c", probe]);
return spawnSync(cmd, args, { stdio: "ignore" }).status === 0;
}
// `python -m pip`, not a bare `pip` binary: a Homebrew/system Python often
// exposes only `python3`/`pip3` on PATH, so a plain `pip` spawn silently
// no-ops (ENOENT) and the documented "auto-installed on demand" path never
// actually installs. `-m pip` also guarantees the packages land in the SAME
// interpreter pyOk() probes — a bare `pip`/`pip3` could resolve to a
// different Python installation than `python3` if more than one is on PATH.
function pipInstall(deps) {
return spawnSync("pip", ["install", "-q", ...deps], { stdio: "ignore" }).status === 0;
const { cmd, args } = pythonInvocation(["-m", "pip", "install", "-q", ...deps]);
return spawnSync(cmd, args, { stdio: "ignore" }).status === 0;
}
// ── retrieval (HeyGen music library) ──────────────────────────────────────────