From 8fe915ed11930b39468fa057b318cc928041da45 Mon Sep 17 00:00:00 2001
From: laggykiller <chaudominic2@gmail.com>
Date: Tue, 5 Sep 2023 23:10:03 +0800
Subject: [PATCH] v1.0.4 - Support using APNGAsmBinder with statement (context
 manager) - Update examples - FIx permissions of example scripts

---
 CMakeLists.txt                        |  2 +-
 README.md                             | 12 +++++++-----
 example/example_binder.py             | 13 +++++++------
 example/example_direct.py             |  0
 src-python/apngasm_python/__init__.py |  2 +-
 src-python/apngasm_python/apngasm.py  |  8 +++++---
 6 files changed, 21 insertions(+), 16 deletions(-)
 mode change 100644 => 100755 example/example_binder.py
 mode change 100644 => 100755 example/example_direct.py

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b4cc9a3..288b857 100644
--- a/CMakeLists.txt
+++ b/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})
 
diff --git a/README.md b/README.md
index 59f77e7..c4b1a6e 100644
--- a/README.md
+++ b/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')
diff --git a/example/example_binder.py b/example/example_binder.py
old mode 100644
new mode 100755
index 3a9c214..9834732
--- a/example/example_binder.py
+++ b/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')
diff --git a/example/example_direct.py b/example/example_direct.py
old mode 100644
new mode 100755
diff --git a/src-python/apngasm_python/__init__.py b/src-python/apngasm_python/__init__.py
index 17b6f68..42009ea 100644
--- a/src-python/apngasm_python/__init__.py
+++ b/src-python/apngasm_python/__init__.py
@@ -1,4 +1,4 @@
 '''apngasm-python'''
-__version__ = '1.0.3'
+__version__ = '1.0.4'
 
 from .apngasm import APNGAsmBinder
\ No newline at end of file
diff --git a/src-python/apngasm_python/apngasm.py b/src-python/apngasm_python/apngasm.py
index 6eb7512..8e9b833 100644
--- a/src-python/apngasm_python/apngasm.py
+++ b/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):
         '''