INNER CODE UNIT · Python

environment_exists

PKU-EMBL/BASALT · BASALT_setup_China_mainland.py:378

def environment_exists(
    executable: str,
    env_name: str,
    environment: Dict[str, str],
    dry_run: bool,
) -> bool:
    """Check for a named environment through the selected manager."""
    if dry_run:
        return False
    try:
        result = run_command(
            [executable, "env", "list", "--json"],
            env=environment,
            capture=True,
        )
        paths = json.loads(result.stdout).get("envs", [])
    except (InstallationError, ValueError, TypeError):
        return False

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