def load(self, requirements_file=None):
        """Load or reload requirements from a requirements.txt file.

        :param requirements_file: if not given, the filename used from
            initialization will be read again.
        """
        if requirements_file is None:
            requirements_file = self.filename
            if requirements_file is None:
                raise ValueError("no filename provided")
        elif isinstance(requirements_file, text_type):
            requirements_file = Path(requirements_file)
        self.clear()
        with requirements_file.open() as f:
            self.loads(f.read())

        if isinstance(requirements_file, (text_type, Path)):
            self.filename = requirements_file
def __init__(self):
        self.supports_check_mode = True
        self.argument_spec = dict(
            accept_eula=dict(
                type='bool',
                default='no',
                choices=BOOLEANS
            ),
            base_key=dict(
                required=False,
                no_log=True
            ),
            name=dict(
                required=True
            ),
            state=dict(
                required=False,
                default='present',
                choices=['absent', 'present']
            )
        )
        self.f5_product_name = 'iworkflow'