rapid interations of server side app and firefox extension

extension/create-icons.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env python3
+"""
+Create minimal placeholder PNG icons using only standard library.
+These are simple solid-color squares that Firefox will accept.
+"""
+
+import struct
+import zlib
+from pathlib import Path
+
+def create_png(width, height, rgb_color):
+    """Create a minimal PNG file with a solid color."""
+    r, g, b = rgb_color
+
+    def png_chunk(chunk_type, data):
+        """Create a PNG chunk with CRC."""
+        chunk = chunk_type + data
+        crc = zlib.crc32(chunk) & 0xffffffff
+        return struct.pack('>I', len(data)) + chunk + struct.pack('>I', crc)
+
+    # PNG signature
+    signature = b'\x89PNG\r\n\x1a\n'
+
+    # IHDR chunk (image header)
+    ihdr_data = struct.pack('>IIBBBBB', width, height, 8, 2, 0, 0, 0)
+    ihdr = png_chunk(b'IHDR', ihdr_data)
+
+    # IDAT chunk (image data)
+    # Create raw pixel data: each row starts with filter byte 0, then RGB pixels
+    raw_data = b''
+    for y in range(height):
+        raw_data += b'\x00'  # Filter byte (none)
+        for x in range(width):
+            raw_data += bytes([r, g, b])
+
+    compressed = zlib.compress(raw_data, 9)
+    idat = png_chunk(b'IDAT', compressed)
+
+    # IEND chunk
+    iend = png_chunk(b'IEND', b'')
+
+    return signature + ihdr + idat + iend
+
+def main():
+    icons_dir = Path(__file__).parent / 'icons'
+    icons_dir.mkdir(exist_ok=True)
+
+    # Primary blue color (#1976d2)
+    color = (25, 118, 210)
+
+    sizes = [16, 32, 48, 128]
+
+    for size in sizes:
+        png_data = create_png(size, size, color)
+        output_path = icons_dir / f'icon-{size}.png'
+        with open(output_path, 'wb') as f:
+            f.write(png_data)
+        print(f'Created {output_path} ({len(png_data)} bytes)')
+
+    print('\nPlaceholder icons created!')
+    print('Replace with custom icons for a better look.')
+
+if __name__ == '__main__':
+    main()