Source code for flask_rest_api.fields

"""Custom marshmallow fields"""

import marshmallow as ma


class Upload(ma.fields.Field):
    """File upload field

    :param str format: File content encoding (binary, base64).
         Only relevant to OpenAPI 3. Only used for documentation purpose.
    """
    def __init__(self, format='binary', **kwargs):
        self.format = format
        super().__init__(**kwargs)