/usr/lib/python3/dist-packages/pygal/graph/dual.py is in python3-pygal 2.4.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | # -*- 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 <http://www.gnu.org/licenses/>.
"""Dual chart base. Dual means a chart with 2 scaled axis like xy"""
from pygal._compat import is_str
from pygal.graph.graph import Graph
from pygal.util import compute_scale, cut
class Dual(Graph):
_dual = True
def _value_format(self, value):
"""
Format value for dual value display.
"""
return '%s: %s' % (
self._x_format(value[0]),
self._y_format(value[1]))
def _compute_x_labels(self):
x_pos = compute_scale(
self._box.xmin, self._box.xmax, self.logarithmic,
self.order_min, self.min_scale, self.max_scale
)
if self.x_labels:
self._x_labels = []
for i, x_label in enumerate(self.x_labels):
if isinstance(x_label, dict):
pos = self._x_adapt(x_label.get('value'))
title = x_label.get('label', self._x_format(pos))
elif is_str(x_label):
pos = self._x_adapt(x_pos[i % len(x_pos)])
title = x_label
else:
pos = self._x_adapt(x_label)
title = self._x_format(pos)
self._x_labels.append((title, pos))
self._box.xmin = min(self._box.xmin, min(cut(self._x_labels, 1)))
self._box.xmax = max(self._box.xmax, max(cut(self._x_labels, 1)))
else:
self._x_labels = list(zip(map(self._x_format, x_pos), x_pos))
def _compute_x_labels_major(self):
# In case of dual, x labels must adapters and so majors too
self.x_labels_major = self.x_labels_major and list(
map(self._x_adapt, self.x_labels_major))
super(Dual, self)._compute_x_labels_major()
def _get_x_label(self, i):
"""Convenience function to get the x_label of a value index"""
return
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