#-----------------------------------------------------------------------------
# Copyright (c) 2012 - 2019, Anaconda, Inc., and Bokeh Contributors.
# All rights reserved.
#
# The full license is in the file LICENSE.txt, distributed with this software.
#-----------------------------------------------------------------------------
''' Provide a Pytest plugin for handling tests when Pandas may be missing.

'''

#-----------------------------------------------------------------------------
# Boilerplate
#-----------------------------------------------------------------------------
from __future__ import absolute_import, division, print_function, unicode_literals

import logging
log = logging.getLogger(__name__)

#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------

# Standard library imports

# External imports
import pytest

# Bokeh imports
from bokeh.util.dependencies import import_optional

#-----------------------------------------------------------------------------
# Globals and constants
#-----------------------------------------------------------------------------

__all__ = (
    'pd',
)

#-----------------------------------------------------------------------------
# General API
#-----------------------------------------------------------------------------

@pytest.fixture
def pd():
    ''' A PyTest fixture that will automatically skip a test if Pandas is
    not installed.

    '''
    pandas = import_optional('pandas')
    if pandas is None:
        pytest.skip('pandas is not installed')
    return pandas

#-----------------------------------------------------------------------------
# Dev API
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Private API
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#-----------------------------------------------------------------------------
# Code
#-----------------------------------------------------------------------------