Imported Upstream version 7.7.3upstream/7.7.3

1 files changed, 6 insertions, 8 deletions

diff --git a/nikola/plugins/compile/rest/chart.py b/nikola/plugins/compile/rest/chart.py
index 88fdff3..ed8a250 100644
--- a/nikola/plugins/compile/rest/chart.py
+++ b/nikola/plugins/compile/rest/chart.py
@@ -43,7 +43,6 @@ _site = None
 
 
 class Plugin(RestExtension):
-
     """Plugin for chart role."""
 
     name = "rest_chart"
@@ -57,7 +56,6 @@ class Plugin(RestExtension):
 
 
 class Chart(Directive):
-
     """reStructuredText extension for inserting charts as SVG.
 
     Usage:
@@ -150,15 +148,15 @@ class Chart(Directive):
             style = getattr(pygal.style, style_name)
         for k, v in self.options.items():
             options[k] = literal_eval(v)
-
-        chart = getattr(pygal, self.arguments[0])(style=style)
+        chart = pygal
+        for o in self.arguments[0].split('.'):
+            chart = getattr(chart, o)
+        chart = chart(style=style)
+        if _site and _site.invariant:
+            chart.no_prefix = True
         chart.config(**options)
         for line in self.content:
             label, series = literal_eval('({0})'.format(line))
             chart.add(label, series)
         data = chart.render().decode('utf8')
-        if _site and _site.invariant:
-            import re
-            data = re.sub('id="chart-[a-f0-9\-]+"', 'id="chart-foobar"', data)
-            data = re.sub('#chart-[a-f0-9\-]+', '#chart-foobar', data)
         return [nodes.raw('', data, format='html')]