ENH : add force logic to draw_all

tacaswell · tacaswell · commit 6a6f8d9fcc9f · 2015-05-25T00:49:41.000-04:00
Add kwarg to Gcf.draw_all to force redraw of all figures (even
if the figure does not think it needs it).
diff --git a/lib/matplotlib/_pylab_helpers.py b/lib/matplotlib/_pylab_helpers.py
@@ -140,14 +140,14 @@ def set_active(cls, manager):
         cls.figs[manager.num] = manager
 
     @classmethod
-    def draw_all(cls):
+    def draw_all(cls, force=False):
         """
         Redraw all figures registered with the pyplot
         state machine.
         """
         for f_mgr in cls.get_all_fig_managers():
             # TODO add logic to check if figure is dirty
-            if f_mgr.canvas.figure.dirty:
+            if force or f_mgr.canvas.figure.dirty:
                 f_mgr.canvas.draw()
 
 atexit.register(Gcf.destroy_all)
