Function get_runtime_version

dangerzone/container_utils.py:36–66

Get the major/minor parts of the Docker/Podman version. Some of the operations we perform in this module rely on some Podman features that are not available across all of our platforms. In order to have a proper fallback, we need to know the Podman version. More specifically, we're fine

()

def get_runtime_version() -> tuple[int, int]:
    """Get the major/minor parts of the Docker/Podman version.

    Some of the operations we perform in this module rely on some Podman features
    that are not available across all of our platforms. In order to have a proper
    fallback, we need to know the Podman version. More specifically, we're fine with
    just knowing the major and minor version, since writing/installing a full-blown
    semver parser is an overkill.
    """
    # Get the Docker/Podman version, using a Go template.
    podman = init_podman_command()
    query = "{{.Client.Version}}"

    try:
        version = podman.run(["version", "-f", query])
        assert isinstance(version, str)
    except Exception as e:
        msg = f"Could not get the version of Podman: {e}"
        raise RuntimeError(msg) from e

    # Parse this version and return the major/minor parts, since we don't need the
    # rest.
    try:
        major, minor, _ = version.split(".", 3)
        return (int(major), int(minor))
    except ValueError as e:
        msg = (
            f"Could not parse the version of Podman (found: '{version}') due to the"
            f" following error: {e}"
        )
        raise RuntimeError(msg)


def get_podman_path() -> Path | None: