Source code for everest.views.utils

"""
View related utilities.

This file is part of the everest project. 
See LICENSE.txt for licensing, CONTRIBUTORS.txt for contributor information.

Created on Feb 4, 2011.
"""
from everest.mime import CSV_MIME

__docformat__ = 'reStructuredText en'
__all__ = ['accept_csv_only',
           ]


def accept_csv_only(context, request): # pylint: disable-msg=W0613
    """
    This can be used as a custom predicate for view configurations with a
    CSV renderer that should only be invoked if this has been explicitly
    requested in the ACCEPT header by the client.
    """
    return CSV_MIME in [acc.lower() for acc in request.accept]