# Licensed under a 3-clause BSD style license - see LICENSE.rst
"""
This package reads and writes data formats used by the Virtual
Observatory (VO) initiative, particularly the VOTable XML format.
"""


from .table import (
    parse, parse_single_table, validate, from_table, is_votable, writeto)
from .exceptions import (
    VOWarning, VOTableChangeWarning, VOTableSpecWarning, UnimplementedWarning,
    IOWarning, VOTableSpecError)
from astropy import config as _config

__all__ = [
    'Conf', 'conf', 'parse', 'parse_single_table', 'validate',
    'from_table', 'is_votable', 'writeto', 'VOWarning',
    'VOTableChangeWarning', 'VOTableSpecWarning',
    'UnimplementedWarning', 'IOWarning', 'VOTableSpecError']


class Conf(_config.ConfigNamespace):
    """
    Configuration parameters for `astropy.io.votable`.
    """

    verify = _config.ConfigItem(
        'ignore',
        "Can be 'exception' (treat fixable violations of the VOTable spec as "
        "exceptions), 'warn' (show warnings for VOTable spec violations), or "
        "'ignore' (silently ignore VOTable spec violations)",
        aliases=['astropy.io.votable.table.pedantic',
                 'astropy.io.votable.pedantic'])


conf = Conf()