DOC: add comment about buffer overrun at DEBUG

jklymak · jklymak · commit a449c39732ce · 2018-03-09T09:20:25.000-08:00
diff --git a/lib/matplotlib/animation.py b/lib/matplotlib/animation.py
@@ -669,7 +669,8 @@ def _args(self):
                 '-s', '%dx%d' % self.frame_size, '-pix_fmt', self.frame_format,
                 '-r', str(self.fps)]
         # Logging is quieted because subprocess.PIPE has limited buffer size.
-
+        # If you have a lot of frames in your animation and set logging to
+        # DEBUG, you will have a buffer overrun.  
         if (_log.getEffectiveLevel() > logging.DEBUG):
             args += ['-loglevel', 'quiet']
         args += ['-i', 'pipe:'] + self.output_args
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -2227,7 +2227,9 @@ def bar(self, *args, **kwargs):
             tick_label_axis = self.yaxis
             tick_label_position = y
 
-        linewidth = itertools.cycle(np.atleast_1d(linewidth))
+        # linewidth = itertools.cycle(np.atleast_1d(linewidth))
+        if not iterable(linewidth):
+            linewidth = [linewidth]
         color = itertools.chain(itertools.cycle(mcolors.to_rgba_array(color)),
                                 # Fallback if color == "none".
                                 itertools.repeat([0, 0, 0, 0]))
@@ -2257,6 +2259,13 @@ def bar(self, *args, **kwargs):
         patches = []
         args = zip(left, bottom, width, height, color, edgecolor, linewidth)
         for l, b, w, h, c, e, lw in args:
+            print(l)
+            print(b)
+            print(w)
+            print(h)
+            print(c)
+            print(lw)
+
             r = mpatches.Rectangle(
                 xy=(l, b), width=w, height=h,
                 facecolor=c,
