created a reversible graph

Signed-off-by: Sachin Panayil <sachinpanayil01@gmail.com>

linting

Signed-off-by: Sachin Panayil <sachinpanayil01@gmail.com>

Author: sachin-panayil

pygal/graph/gauge.py

@@ -28,6 +28,11 @@ class Gauge(Graph):
 
     needle_width = 1 / 20
 
+    def __init__(self, *args, reverse_direction=False, **kwargs):
+        """Initialize the gauge with direction configuration"""
+        super(Gauge, self).__init__(*args, **kwargs)
+        self.reverse_direction = reverse_direction
+
     def _set_view(self):
         """Assign a view to current graph"""
         if self.logarithmic:
@@ -132,7 +137,10 @@ def _compute(self):
             self.min_ -= 1
             self.max_ += 1
 
-        self._box.set_polar_box(0, 1, self.min_, self.max_)
+        if self.reverse_direction:
+            self._box.set_polar_box(0, 1, self.max_, self.min_)
+        else:
+            self._box.set_polar_box(0, 1, self.min_, self.max_)
 
     def _compute_x_labels(self):
         pass