Add worldmap chart

MANIFEST.in

@@ -1,3 +0,0 @@
-include pygal/css/*.css
-include pygal/js/*.js
-include pygal_gen.py

demo/moulinrouge/tests.py

@@ -2,7 +2,7 @@
 # This file is part of pygal
 from pygal import (
     Bar, Gauge, Pyramid, Funnel, Dot, StackedBar, XY,
-    CHARTS_BY_NAME, Config, Line, DateY)
+    CHARTS_BY_NAME, Config, Line, DateY, Worldmap)
 from pygal.style import styles
 
 
@@ -261,4 +261,13 @@ def get_test_routes(app):
         datey.x_label_rotation = 25
         return datey.render_response()
 
+    @app.route('/test/worldmap')
+    def test_worldmap():
+        map = Worldmap()
+        map.add('fr', [13])
+        map.add('us', [10])
+        map.add('jp', [1])
+        map.add('ru', [7])
+        return map.render_response()
+
     return filter(lambda x: x.startswith('test'), locals())

pygal/css/style.css

@@ -109,4 +109,28 @@ text.no_data {
   fill: {{ style.foreground_light }};
 }
 
+.country {
+  fill: {{ style.primary }};
+  stroke: {{ style.primary }};
+  fill-opacity: .1;
+  opacity: {{ style.opacity }};
+}
+
+.country:hover {
+  opacity: {{ style.opacity_hover }};
+}
+
+.lake {
+  fill: {{ style.foreground_dark }};
+}
+
+.borders {
+  fill: none;
+  stroke: {{ style.foreground_light }};
+  stroke-width: 0.3;
+  stroke-linecap: round;
+  stroke-linejoin: round;
+}
+
 {{ style.colors }}
+

pygal/graph/__init__.py

@@ -36,5 +36,6 @@ CHARTS_NAMES = [
     'VerticalPyramid',
     'Dot',
     'Gauge',
-    'DateY'
+    'DateY',
+    'Worldmap'
 ]

pygal/graph/worldmap.py

@@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+# This file is part of pygal
+#
+# A python svg graph plotting library
+# Copyright © 2012 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/>.
+"""
+Worldmap chart
+
+"""
+
+from __future__ import division
+from pygal.util import cut
+from pygal.graph.graph import Graph
+from pygal.adapters import positive, none_to_zero
+from lxml import etree
+import os
+
+with open(os.path.join(
+        os.path.dirname(__file__),
+        'worldmap.svg')) as file:
+    MAP = file.read()
+
+
+class Worldmap(Graph):
+    """Worldmap graph"""
+    _adapters = [positive, none_to_zero]
+
+    def _plot(self):
+        map = etree.fromstring(MAP)
+        map.set('width', str(self.view.width))
+        map.set('height', str(self.view.height))
+        sum_ = sum(cut(cut(self.series, 'values')))
+
+        for i, serie in enumerate(self.series):
+            ratio = serie.values[0] / self._max
+            perc = serie.values[0] / sum_ if sum_ != 0 else 0
+            country = map.find('.//*[@id="%s"]' % serie.title)
+            if country is None:
+                continue
+            country.set(
+                'style', 'fill-opacity: %f' % (
+                    ratio))
+            title = country[0]
+            title.text = (title.text or '?') + ': %d (%s)' % (
+                serie.values[0], '{0:.2%}'.format(perc))
+
+        self.nodes['plot'].append(map)

pygal/style.py

@@ -48,6 +48,7 @@ class Style(object):
         self.opacity_hover = opacity_hover
         self.transition = transition
         self._colors = colors
+        self.primary = colors[0]
 
     @property
     def colors(self):

setup.py

@@ -40,7 +40,7 @@ setup(
     keywords=[
         "svg", "chart", "graph", "diagram", "plot", "histogram", "kiviat"],
     tests_require=["pytest", "pyquery", "flask", "cairosvg"],
-    package_data={'pygal': ['css/*', 'js/*']},
+    package_data={'pygal': ['css/*', 'graph/worldmap.svg']},
     install_requires=['lxml'],
     use_2to3=True,
     classifiers=[