Function isInstalled

packages/python/src/install.ts:47–66

(
  pythonPath: string,
  dependency: string,
  cwd: string
)

`;

export async function isInstalled(
  pythonPath: string,
  dependency: string,
  cwd: string
) {
  try {
    const { stdout } = await execa(
      pythonPath,
      ['-c', makeDependencyCheckCode(dependency)],
      {
        stdio: 'pipe',
        cwd,
        env: { ...process.env, PYTHONPATH: join(cwd, resolveVendorDir()) },
      }
    );
    return stdout.startsWith(cwd);
  } catch (_err) {
    return false;
  }
}

const makeRequirementsCheckCode = (requirementsPath: string) => `
import distutils.text_file