Stupid forgotten file

pygal/graph/supranationalworldmap.py

@@ -0,0 +1,101 @@
+# -*- coding: utf-8 -*-
+# This file is part of pygal
+#
+# A python svg graph plotting library
+# Copyright © 2012-2013 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/>.
+"""
+Supranational Worldmap chart
+
+"""
+
+from __future__ import division
+from pygal.graph.worldmap import Worldmap
+from pygal.i18n import SUPRANATIONAL
+from pygal.util import cut, decorate
+from lxml import etree
+import os
+
+with open(os.path.join(
+        os.path.dirname(__file__),
+        'worldmap.svg')) as file:
+    MAP = file.read()
+
+
+class SupranationalWorldmap(Worldmap):
+    """SupranationalWorldmap graph"""
+    def _plot(self):
+        map = etree.fromstring(MAP)
+        map.set('width', str(self.view.width))
+        map.set('height', str(self.view.height))
+
+        for i, serie in enumerate(self.series):
+            safe_vals = list(filter(
+                lambda x: x is not None, cut(serie.values, 1)))
+            if not safe_vals:
+                continue
+            min_ = min(safe_vals)
+            max_ = max(safe_vals)
+            serie.values = self.replace_supranationals(serie.values)
+            for j, (country_code, value) in enumerate(serie.values):
+                if value is None:
+                    continue
+                if max_ == min_:
+                    ratio = 1
+                else:
+                    ratio = .3 + .7 * (value - min_) / (max_ - min_)
+                country = map.find('.//*[@id="%s"]' % country_code)
+                if country is None:
+                    continue
+                cls = country.get('class', '').split(' ')
+                cls.append('color-%d' % i)
+                country.set('class', ' '.join(cls))
+                country.set(
+                    'style', 'fill-opacity: %f' % (
+                        ratio))
+
+                metadata = serie.metadata.get(j)
+                if metadata:
+                    parent = country.getparent()
+                    node = decorate(self.svg, country, metadata)
+                    if node != country:
+                        country.remove(node)
+                        index = parent.index(country)
+                        parent.remove(country)
+                        node.append(country)
+                        parent.insert(index, node)
+
+                last_node = len(country) > 0 and country[-1]
+                if last_node is not None and last_node.tag == 'title':
+                    title_node = last_node
+                    text = title_node.text + '\n'
+                else:
+                    title_node = self.svg.node(country, 'title')
+                    text = ''
+                title_node.text = text + '[%s] %s: %d' % (
+                    serie.title,
+                    self.country_names[country_code], value)
+
+        self.nodes['plot'].append(map)
+
+    def replace_supranationals(self, values):
+        """Replaces the values if it contains a supranational code."""
+        for i, (code, value) in enumerate(values[:]):
+            for suprakey in SUPRANATIONAL.keys():
+                if suprakey == code:
+                    values.extend(
+                        [(country, value) for country in SUPRANATIONAL[code]])
+                    values.remove((code, value))
+        return values