Source code for pygal.graph.horizontal

# -*- coding: utf-8 -*-
# This file is part of pygal
# A python svg graph plotting library
# Copyright © 2012-2016 Kozea
# This library is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
# This library is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
# details.
# You should have received a copy of the GNU Lesser General Public License
# along with pygal. If not, see <>.
"""Horizontal graph mixin"""

from pygal.graph.graph import Graph
from pygal.view import HorizontalLogView, HorizontalView

[docs]class HorizontalGraph(Graph): """Horizontal graph mixin""" def __init__(self, *args, **kwargs): """Set the horizontal flag to True""" self.horizontal = True super(HorizontalGraph, self).__init__(*args, **kwargs) def _post_compute(self): """After computations transpose labels""" self._x_labels, self._y_labels = self._y_labels, self._x_labels self._x_labels_major, self._y_labels_major = ( self._y_labels_major, self._x_labels_major) self._x_2nd_labels, self._y_2nd_labels = ( self._y_2nd_labels, self._x_2nd_labels) def _axes(self): """Set the _force_vertical flag when rendering axes""" self.view._force_vertical = True super(HorizontalGraph, self)._axes() self.view._force_vertical = False def _set_view(self): """Assign a horizontal view to current graph""" if self.logarithmic: view_class = HorizontalLogView else: view_class = HorizontalView self.view = view_class( self.width - self.margin_box.x, self.height - self.margin_box.y, self._box) def _get_x_label(self, i): """Convenience function to get the x_label of a value index""" if not self.x_labels or not self._y_labels or len(self._y_labels) <= i: return return self._y_labels[i][0]