v1.0.4

- Support using APNGAsmBinder with statement (context manager)
- Update examples
- FIx permissions of example scripts

CMakeLists.txt

@@ -109,7 +109,7 @@ else()
     endif()
 endif()
 
-project(apngasm-python VERSION 1.0.3)
+project(apngasm-python VERSION 1.0.4)
 set(PY_VERSION_SUFFIX "")
 set(PY_FULL_VERSION ${PROJECT_VERSION}${PY_VERSION_SUFFIX})
 

README.md

@@ -37,19 +37,21 @@ for file_name in sorted(os.listdir('frames')):
 # This sets the APNG animation to loop for 3 times before stopping
 apngasm.set_loops(3)
 apng.assemble('result-from-file.apng')
+apngasm.reset()
 
 # From Pillow
-apngasm.reset()
 for file_name in sorted(os.listdir('frames')):
     image = Image.open(os.path.join('frames', file_name)).convert('RGBA')
     frame = apngasm.add_frame_from_pillow(image, delay_num=50, delay_den=1000)
 apngasm.assemble('result-from-pillow.apng')
+apngasm.reset()
 
 # Disassemble and get pillow image of one frame
-apngasm.reset()
-frames = apngasm.disassemble_as_pillow('input/ball.apng')
-frame = frames[0]
-frame.save('output/ball0.png')
+# You can use with statement to avoid calling reset()
+with APNGAsmBinder() as apng:
+    frames = apng.disassemble_as_pillow('input/ball.apng')
+    frame = frames[0]
+    frame.save('output/ball0.png')
 
 # Disassemble all APNG into PNGs
 apngasm.save_pngs('output')

example/example_binder.py

@@ -62,16 +62,17 @@
 
 success = apngasm.assemble('output/elephant-spinning-pillow.apng')
 print(f'{success = }')
+apngasm.reset()
 
 # Assemble palette and grey PNGs
-apngasm.reset()
-apngasm.add_frame_from_file('input/palette.png')
-apngasm.add_frame_from_file('input/grey.png')
-success = apngasm.assemble('output/birds.apng')
-print(f'{success = }')
+# You can use with statement to avoid calling reset()
+with APNGAsmBinder() as apng:
+    apng.add_frame_from_file('input/palette.png')
+    apng.add_frame_from_file('input/grey.png')
+    success = apng.assemble('output/birds.apng')
+    print(f'{success = }')
 
 # Assemble palette and grey PNGs, but with Pillow
-apngasm.reset()
 image0 = Image.open('input/grey.png')
 frame0 = apngasm.add_frame_from_pillow(image0)
 image1 = Image.open('input/palette.png')

src-python/apngasm_python/__init__.py

@@ -1,4 +1,4 @@
 '''apngasm-python'''
-__version__ = '1.0.3'
+__version__ = '1.0.4'
 
 from .apngasm import APNGAsmBinder

src-python/apngasm_python/apngasm.py

@@ -15,10 +15,12 @@ class APNGAsmBinder:
 
     def __init__(self):
         self.apngasm = APNGAsm()
-
-    def __del__(self):
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
         self.apngasm.reset()
-        del self.apngasm
 
     def frame_pixels_as_pillow(self, frame, new_value=None):
         '''