Remove 16 colors limitation

CHANGELOG

@@ -1,5 +1,7 @@
 V 1.4.6 -- UNRELEASED
 	Add support for \n separated multiline titles (thanks sirlark)
+	New show_only_major_dots option (thanks Le-Stagiaire)
+	Remove 16 colors limitation
 
 V 1.4.5
 	Fix y_labels map iterator exhaustion in python 3

demo/moulinrouge/tests.py

@@ -3,8 +3,9 @@
 from pygal import (
     Bar, Gauge, Pyramid, Funnel, Dot, StackedBar, XY,
     CHARTS_BY_NAME, Config, Line, DateY, Worldmap, Histogram, Box,
-    FrenchMap_Departments, FrenchMap_Regions)
-from pygal.style import styles
+    FrenchMap_Departments, FrenchMap_Regions, Pie)
+from pygal.style import styles, Style
+from pygal.colors import rotate
 from pygal.graph.frenchmap import DEPARTMENTS, REGIONS
 from random import randint, choice
 
@@ -378,7 +379,8 @@ def get_test_routes(app):
         fmap = FrenchMap_Departments(style=choice(list(styles.values())))
         for i in range(10):
             fmap.add('s%d' % i, [
-                (choice(list(DEPARTMENTS.keys())), randint(0, 100)) for _ in range(randint(1, 5))])
+                (choice(list(DEPARTMENTS.keys())), randint(0, 100))
+                for _ in range(randint(1, 5))])
 
         fmap.add('links', [{
             'value': ('69', 10),
@@ -419,4 +421,12 @@ def get_test_routes(app):
         line.x_labels = map(str, range(11))
         return line.render_response()
 
+    @app.route('/test/64colors')
+    def test_64_colors():
+        colors = [rotate('#ff0000', i * 360 / 64) for i in range(64)]
+        pie = Pie(style=Style(colors=colors))
+        for i in range(64):
+            pie.add(str(i), 1)
+        return pie.render_response()
+
     return filter(lambda x: x.startswith('test'), locals())

pygal/graph/graph.py

@@ -441,13 +441,16 @@ class Graph(BaseGraph):
         return dict(
             plot=self.svg.node(
                 self.nodes['plot'],
-                class_='series serie-%d color-%d' % (serie, serie % 16)),
+                class_='series serie-%d color-%d' % (
+                    serie, serie % len(self.style['colors']))),
             overlay=self.svg.node(
                 self.nodes['overlay'],
-                class_='series serie-%d color-%d' % (serie, serie % 16)),
+                class_='series serie-%d color-%d' % (
+                    serie, serie % len(self.style['colors']))),
             text_overlay=self.svg.node(
                 self.nodes['text_overlay'],
-                class_='series serie-%d color-%d' % (serie, serie % 16)))
+                class_='series serie-%d color-%d' % (
+                    serie, serie % len(self.style['colors']))))
 
     def _interpolate(self, xs, ys):
         """Make the interpolation"""

pygal/style.py

@@ -63,7 +63,9 @@ class Style(object):
                 '  stroke: {1};\n'
                 '  fill: {1};\n'
                 '}}\n') % (prefix, prefix)).format(*tupl)
-        return '\n'.join(map(color, enumerate(cycle_fill(self.colors, 16))))
+
+        return '\n'.join(map(color, enumerate(
+            cycle_fill(self.colors, max(len(self.colors), 16)))))
 
     def to_dict(self):
         config = {}