Source code for pyensae.graphhelper.matplotlib_helper

# -*- coding: utf-8 -*-
"""
Various functions about :epkg:`matplotlib`.


:githublink:`%|py|6`
"""
import sys


def mpl_switch_style(style="ggplot"):
    """
    Changes the graph style.

    :param style: see `Customizing plots with style sheets
        <http://matplotlib.org/users/style_sheets.html>`_


    :githublink:`%|py|15`
    """
    # This import was moved here because ths code is executed when
    # the module is imported and for some reasons, it overides some of the settings
    # sphinx is doing and graphs are not part of the documentation but show up
    # in a separate window.
    if "plt" not in sys.modules:
        import matplotlib.pyplot as plt  # pylint: disable=C0415
    plt.style.use(style)