stitch_to_animation: gif kwargs working again (#1149)

* working with v3 api

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update setup.py

* Update CHANGELOG.md

* add verbose back in

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update _helpers.py

use writer

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Update setup.py

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: kameyer226 <61993880+kameyer226@users.noreply.github.com>

CHANGELOG.md

@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/).
 
 ### Fixed
 - `interact2D`: fixed bug where use_imshow broke the sliders
+- `artists.stitch_to_animation`: use imageio v3 api and declare pillow plugin
 - `data.join` ensures valid `method` is selected
 
 ### Changed

WrightTools/artists/_helpers.py

@@ -14,7 +14,7 @@
 import matplotlib.patheffects as PathEffects
 from mpl_toolkits.axes_grid1 import make_axes_locatable
 
-import imageio
+import imageio.v3 as iio
 import warnings
 
 from .. import exceptions as wt_exceptions
@@ -1081,14 +1081,14 @@ def subplots_adjust(fig=None, inches=1):
         fig.subplots_adjust(top=top, right=right, bottom=bottom, left=left)
 
 
-def stitch_to_animation(images, outpath=None, *, duration=0.5, palettesize=256, verbose=True):
+def stitch_to_animation(paths, outpath=None, *, duration=0.5, palettesize=256, verbose=True):
     """Stitch a series of images into an animation.
 
     Currently supports animated gifs, other formats coming as needed.
 
     Parameters
     ----------
-    images : list of strings
+    paths : list of strings
         Filepaths to the images to stitch together, in order of apperence.
     outpath : string (optional)
         Path of output, including extension. If None, bases output path on path
@@ -1097,22 +1097,21 @@ def stitch_to_animation(images, outpath=None, *, duration=0.5, palettesize=256,
         Duration of (each) frame in seconds. Default is 0.5.
     palettesize : int (optional)
         The number of colors in the resulting animation. Input is rounded to
-        the nearest power of 2. Default is 1024.
+        the nearest power of 2. Default is 256.
     verbose : bool (optional)
         Toggle talkback. Default is True.
     """
     # parse filename
     if outpath is None:
-        outpath = os.path.splitext(images[0])[0] + ".gif"
+        outpath = os.path.splitext(paths[0])[0] + ".gif"
     # write
     t = wt_kit.Timer(verbose=False)
-    with t, imageio.get_writer(
-        outpath, mode="I", duration=duration, palettesize=palettesize
-    ) as writer:
-        for p in images:
-            image = imageio.imread(p)
-            writer.append_data(image)
-    # finish
+    with t, iio.imopen(outpath, "w") as gif:
+        for p in paths:
+            frame = iio.imread(p)
+            gif.write(
+                frame, plugin="pillow", duration=duration * 1e3, loop=0, palettesize=palettesize
+            )
     if verbose:
         interval = np.round(t.interval, 2)
         print("gif generated in {0} seconds - saved at {1}".format(interval, outpath))

setup.py

@@ -37,7 +37,7 @@ def read(fname):
     python_requires=">=3.7",
     install_requires=[
         "h5py",
-        "imageio",
+        "imageio>=2.28.0",
         "matplotlib>=3.4.0",
         "numexpr",
         "numpy>=1.15.0",