Function installInjectedDevPackage

packages/python/src/start-dev-server.ts:322–336

(
  pkg: InjectedPackageSpec,
  opts: DevPythonOptions
)

}

async function installInjectedDevPackage(
  pkg: InjectedPackageSpec,
  opts: DevPythonOptions
): Promise<void> {
  const targetDir = join(opts.workPath, '.vercel', 'python');
  const key = `${targetDir}:${pkg.name}`;

  let pending = PENDING_INSTALLS.get(key);
  if (!pending) {
    pending = doInstallInjectedDevPackage(pkg, { ...opts, targetDir });
    PENDING_INSTALLS.set(key, pending);
    pending.finally(() => PENDING_INSTALLS.delete(key));
  }
  await pending;
}

async function doInstallInjectedDevPackage(
  pkg: InjectedPackageSpec,