"""api.__init__
"""

from flask import Blueprint
from flask import request

bp = Blueprint("api", __name__)


def requested_format(default_format="json", allowed_formats=None):
    """Extract required format from query string.
    * default value is json. A list of allowed formats may be provided
    (['json'] considered if not provided).
    * if the required format is not in allowed list, returns None.

    NB: if json in not in allowed_formats, format specification is mandatory.
    """
    format_type = request.args.get("format", default_format)
    if format_type in (allowed_formats or ["json"]):
        return format_type
    return None


from app.api import tokens
from app.api import sco_api
from app.api import logos