Fix metadata on radar by removing close hack

demo/simple_test.py

@@ -161,7 +161,7 @@ config.fill = True
 config.style = NeonStyle
 config.x_labels = (
     'black', 'red', 'blue', 'yellow', 'orange', 'green', 'white')
-config.interpolate = 'nearest'
+# config.interpolate = 'nearest'
 radar = Radar(config)
 radar.add('test', [1, 4, lnk(10), 5, None, -2, 5])
 radar.add('test2', [10, 2, 0, 5, 1, 9, 4])

pygal/graph/line.py

@@ -28,6 +28,10 @@ from pygal.util import cached_property, compute_scale, decorate
 class Line(Graph):
     """Line graph"""
 
+    def __init__(self, *args, **kwargs):
+        self._self_close = False
+        super(Line, self).__init__(*args, **kwargs)
+
     def _get_value(self, values, i):
         """Get the value formatted for tooltip"""
         return self._format(values[i][1])
@@ -87,7 +91,7 @@ class Line(Graph):
             if self.fill:
                 view_values = self._fill(view_values)
             self.svg.line(
-                serie_node['plot'], view_values,
+                serie_node['plot'], view_values, close=self._self_close,
                 class_='line reactive' + (' nofill' if not self.fill else ''))
 
     def _compute(self):

pygal/graph/radar.py

@@ -108,11 +108,7 @@ class Radar(Line):
         delta = 2 * pi / self._len
         x_pos = [.5 * pi + i * delta for i in range(self._len + 1)]
         for serie in self.series:
-            vals = list(serie.values)
+            vals = [val if val != None else 0 for val in serie.values]
-            # TODO: Fix metadata add here
-            # vals.append(vals[0])
-            # serie.metadata.append(serie.metadata[0])
-            vals = [val if val != None else 0 for val in vals]
             serie.points = [
                 (v, x_pos[i])
                 for i, v in enumerate(vals)]
@@ -139,3 +135,4 @@ class Radar(Line):
         self._box.xmin = self._box.ymin = - self._box.ymax
 
         self.x_pos = x_pos
+        self._self_close = True