Update imageio.imsave -> imageio.v3.imwrite

Author: mplough-kobold

README.md

@@ -15,20 +15,20 @@ Load a RAW file and save the postprocessed image using default [parameters](http
 
 ```python
 import rawpy
-import imageio
+import imageio.v3 as iio
 
 path = 'image.nef'
 with rawpy.imread(path) as raw:
     rgb = raw.postprocess()
-imageio.imsave('default.tiff', rgb)
+iio.imwrite('default.tiff', rgb)
 ```
 
 Save as 16-bit linear image:
 
 ```python
 with rawpy.imread(path) as raw:
     rgb = raw.postprocess(gamma=(1,1), no_auto_bright=True, output_bps=16)
-imageio.imsave('linear.tiff', rgb)
+iio.imwrite('linear.tiff', rgb)
 ```
 
 Extract embedded thumbnail/preview image and save as JPEG:
@@ -44,7 +44,7 @@ if thumb.format == rawpy.ThumbFormat.JPEG:
         f.write(thumb.data)
 elif thumb.format == rawpy.ThumbFormat.BITMAP:
     # thumb.data is an RGB numpy array, convert with imageio
-    imageio.imsave('thumb.jpeg', thumb.data)
+    iio.imwrite('thumb.jpeg', thumb.data)
 ```
 
 Find bad pixels using multiple RAW files and repair them:
@@ -59,7 +59,7 @@ for path in paths:
     with rawpy.imread(path) as raw:
         rawpy.enhance.repair_bad_pixels(raw, bad_pixels, method='median')
         rgb = raw.postprocess()
-    imageio.imsave(path + '.tiff', rgb)
+    iio.imwrite(path + '.tiff', rgb)
 ```
 
 ## Installation

rawpy/_rawpy.pyx

@@ -877,7 +877,7 @@ cdef class RawPy:
                   with open('thumb.jpg', 'wb') as f:
                     f.write(thumb.data)
                 elif thumb.format == rawpy.ThumbFormat.BITMAP:
-                  imageio.imsave('thumb.tiff', thumb.data)
+                  imageio.v3.imwrite('thumb.tiff', thumb.data)
         
         :rtype: :class:`rawpy.Thumbnail`
         """

rawpy/enhance.py

@@ -350,11 +350,11 @@ def save_dcraw_bad_pixels(path, bad_pixels):
     paths = [os.path.join(prefix, f) for f in testfiles]
     coords = find_bad_pixels(paths)
 
-    import imageio
+    import imageio.v3 as iio
     raw = rawpy.imread(paths[0])
     if not os.path.exists('test_original.png'):
         rgb = raw.postprocess()
-        imageio.imsave('test_original.png', rgb)
+        iio.imwrite('test_original.png', rgb)
 
     # A. use dcraw repair
     # Note that this method fails when two bad pixels are direct neighbors.
@@ -365,7 +365,7 @@ def save_dcraw_bad_pixels(path, bad_pixels):
     save_dcraw_bad_pixels(bad_pixels_path, coords)
     rgb = raw.postprocess(bad_pixels_path=bad_pixels_path)
     print('badpixel dcraw repair+postprocessing:', time.time()-t0, 's')
-    imageio.imsave('test_hotpixels_repaired_dcraw.png', rgb)
+    iio.imwrite('test_hotpixels_repaired_dcraw.png', rgb)
 
     # B. use own repair function
     # With method='median' we still consider each bad pixel separately
@@ -374,7 +374,7 @@ def save_dcraw_bad_pixels(path, bad_pixels):
     repair_bad_pixels(raw, coords, method='median')
     rgb = raw.postprocess()
     print('badpixel repair+postprocessing:', time.time()-t0, 's')
-    imageio.imsave('test_hotpixels_repaired.png', rgb)
+    iio.imwrite('test_hotpixels_repaired.png', rgb)
 
     # TODO method 'mean' not implemented yet