Better sparklines with labels. Fix #239

demo/moulinrouge/tests.py

@@ -672,6 +672,29 @@ def get_test_routes(app):
         graph.legend_at_bottom = True
         return graph.render_response()
 
+    @app.route('/test/sparkline/label/<chart>')
+    def test_sparkline_label_for(chart):
+        graph = CHARTS_BY_NAME[chart](**dict(
+            width=200,
+            height=50,
+            show_dots=False,
+            show_legend=False,
+            # show_y_labels=False,
+            # show_x_labels=False,
+            spacing=0,
+            margin=5,
+            min_scale=2,
+            max_scale=2,
+            explicit_size=True
+        ))
+        graph.add('1', [1, 3, 12, 3, 4, None, 9])
+        graph.add('2', [7, -4, 10, None, 8, 3, 1])
+        graph.add('3', [7, -14, -10, None, 8, 3, 1])
+        graph.add('4', [7, 4, -10, None, 8, 3, 1])
+        graph.x_labels = ('a', 'b', 'c', 'd', 'e', 'f', 'g')
+        graph.legend_at_bottom = True
+        return graph.render_response()
+
     @app.route('/test/normal/<chart>')
     def test_normal_for(chart):
         graph = CHARTS_BY_NAME[chart]()

docs/documentation/sparks.rst

@@ -22,16 +22,26 @@ Sparklines support the same options as normal charts but for those that are over
 .. pygal-code:: sparkline
 
   chart = pygal.Line(interpolate='cubic')
-  chart.add('', [1, 3,  5, 16, 13, 3,  7])
+  chart.add('', [1, 3, 5, 16, 13, 3, 7])
   chart.render_sparkline()
 
 .. pygal-code:: sparkline
 
   from pygal.style import LightSolarizedStyle
   chart = pygal.Line(style=LightSolarizedStyle)
-  chart.add('', [1, 3,  5, 16, 13, 3,  7, 9, 2, 1, 4, 9, 12, 10, 12, 16, 14, 12, 7, 2])
+  chart.add('', [1, 3, 5, 16, 13, 3, 7, 9, 2, 1, 4, 9, 12, 10, 12, 16, 14, 12, 7, 2])
   chart.render_sparkline(width=500, height=25, show_dots=True)
 
+With labels:
+
+.. pygal-code:: sparkline
+
+  from pygal.style import LightSolarizedStyle
+  chart = pygal.Line(style=LightSolarizedStyle)
+  chart.add('', [1, 3, 5, 16, 13, 3, 7])
+  chart.x_labels = ['a', 'b', 'c', 'd', 'e', 'f', 'g']
+  chart.render_sparkline(show_x_labels=True, show_y_labels=True)
+
 
 Sparktext
 ---------

pygal/graph/public.py

@@ -139,6 +139,8 @@ class PublicApi(BaseGraph):
             show_y_labels=False,
             spacing=0,
             margin=5,
+            min_scale=1,
+            max_scale=2,
             explicit_size=True
         )
         spark_options.update(kwargs)