Replace deprecated np.fromstring with np.frombuffer.

QuLogic · ArchangeGabriel · commit 7c4f28c3c15c · 2019-01-17T23:15:18.000+01:00
diff --git a/lib/matplotlib/backends/backend_agg.py b/lib/matplotlib/backends/backend_agg.py
@@ -391,7 +391,7 @@ def post_processing(image, dpi):
         self._update_methods()
 
         if w > 0 and h > 0:
-            img = np.fromstring(buffer, np.uint8)
+            img = np.frombuffer(buffer, np.uint8)
             img, ox, oy = post_processing(img.reshape((h, w, 4)) / 255.,
                                           self.dpi)
             gc = self.new_gc()
diff --git a/lib/matplotlib/image.py b/lib/matplotlib/image.py
@@ -1447,9 +1447,9 @@ def pil_to_array(pilImage):
         # return MxN luminance array of uint16
         raw = pilImage.tobytes('raw', pilImage.mode)
         if pilImage.mode.endswith('B'):
-            x = np.fromstring(raw, '>u2')
+            x = np.frombuffer(raw, '>u2')
         else:
-            x = np.fromstring(raw, '<u2')
+            x = np.frombuffer(raw, '<u2')
         return x.reshape(pilImage.size[::-1]).astype('=u2')
     else:  # try to convert to an rgba image
         try:
diff --git a/lib/matplotlib/tests/test_mathtext.py b/lib/matplotlib/tests/test_mathtext.py
@@ -271,7 +271,7 @@ def test_single_minus_sign():
 
     buff = io.BytesIO()
     plt.savefig(buff, format="rgba", dpi=1000)
-    array = np.fromstring(buff.getvalue(), dtype=np.uint8)
+    array = np.frombuffer(buff.getvalue(), dtype=np.uint8)
 
     # If this fails, it would be all white
     assert not np.all(array == 0xff)
diff --git a/lib/matplotlib/tests/test_simplification.py b/lib/matplotlib/tests/test_simplification.py
@@ -273,7 +273,7 @@ def test_start_with_moveto():
         # Python 2 case
         decodebytes = base64.decodestring
 
-    verts = np.fromstring(decodebytes(data), dtype='<i4')
+    verts = np.frombuffer(decodebytes(data), dtype='<i4')
     verts = verts.reshape((len(verts) // 2, 2))
     path = Path(verts)
     segs = path.iter_segments(transforms.IdentityTransform(),
