Add a style and minor fix

demo/moulinrouge/__init__.py

@@ -16,8 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with pygal. If not, see <http://www.gnu.org/licenses/>.
-from flask import Flask, Response, render_template, url_for
-from log_colorizer import make_colored_stream_handler
+from flask import Flask, render_template, url_for
 from moulinrouge.data import labels, series
 from logging import getLogger, INFO, DEBUG
 import pygal
@@ -43,7 +42,13 @@ def create_app():
     """Creates the pygal test web app"""
 
     app = Flask(__name__)
-    handler = make_colored_stream_handler()
+    try:
+        from log_colorizer import make_colored_stream_handler
+        handler = make_colored_stream_handler()
+    except ImportError:
+        from logging import StreamHandler
+        handler = StreamHandler()
+
     getLogger('werkzeug').addHandler(handler)
     getLogger('werkzeug').setLevel(INFO)
     getLogger('pygal').addHandler(handler)

pygal/__init__.py

@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with pygal. If not, see <http://www.gnu.org/licenses/>.
-__version__ = '0.9.2'
+__version__ = '0.9.3'
 from collections import namedtuple
 
 from pygal.graph.bar import Bar

pygal/style.py

@@ -67,7 +67,17 @@ NeonStyle = Style(
     opacity='.1',
     opacity_hover='.75',
     transition='1s ease-out')
+CleanStyle = Style(
+    background='transparent',
+    plot_background='rgba(0, 0, 0, 0.05)',
+    foreground='rgba(0, 0, 0, 0.9)',
+    foreground_light='rgba(0, 0, 0, 0.9)',
+    foreground_dark='rgba(0, 0, 0, 0.5)',
+    colors=(
+        'rgb(12,55,149)', 'rgb(117,38,65)', 'rgb(228,127,0)', 'rgb(159,170,0)',
+        'rgb(149,12,12)'))
 
 styles = {'default': DefaultStyle,
           'light': LightStyle,
-          'neon': NeonStyle}
+          'neon': NeonStyle,
+          'clean': CleanStyle}