def dict_to_cli_options()

in metaflow/util.py [0:0]

• 24 lines of code
• 18 McCabe index (conditional complexity)

def dict_to_cli_options(params):
    # Prevent circular imports
    from .user_configs.config_options import ConfigInput

    for k, v in params.items():
        # Omit boolean options set to false or None, but preserve options with an empty
        # string argument.
        if v is not False and v is not None:
            # we need special handling for 'with' since it is a reserved
            # keyword in Python, so we call it 'decospecs' in click args
            if k == "decospecs":
                k = "with"
            if k in ("config", "config_value"):
                # Special handling here since we gather them all in one option but actually
                # need to send them one at a time using --config-value <name> kv.<name>
                # Note it can be either config or config_value depending
                # on click processing order.
                for config_name in v.keys():
                    yield "--config-value"
                    yield to_unicode(config_name)
                    yield to_unicode(ConfigInput.make_key_name(config_name))
                continue
            if k == "local_config_file":
                # Skip this value -- it should only be used locally and never when
                # forming another command line
                continue
            k = k.replace("_", "-")
            v = v if isinstance(v, (list, tuple, set)) else [v]
            for value in v:
                yield "--%s" % k
                if not isinstance(value, bool):
                    value = to_unicode(value)

                    # Of the value starts with $, assume the caller wants shell variable
                    # expansion to happen, so we pass it as is.
                    # NOTE: We strip '\' to allow for various storages to use escaped
                    # shell variables as well.
                    if value.lstrip("\\").startswith("$"):
                        yield value
                    else:
                        # Otherwise, assume it is a literal value and quote it safely
                        yield _quote(value)