win32clipboard 复制 gif 的问题 - V2EX
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win32clipboard 复制 gif 的问题

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  •   evemoo 2023-02-10 17:07:58 +08:00 1725 次点击
    这是一个创建于 1043 天前的主题,其中的信息可能已经有所发展或是发生改变。

    如果只是处理 JPG/PNG 格式用以下代码就可以完成任务,配合注册表可以在不打开图片的情况下右键复制图片内容。但在处理 gifimage.save(output, "GiF") 则无输出结果。

    # coding:utf-8 import sys import traceback import win32clipboard from io import BytesIO from PIL import Image def send_to_clipboard(clip_type, data): win32clipboard.OpenClipboard() win32clipboard.EmptyClipboard() win32clipboard.SetClipboardData(clip_type, data) win32clipboard.CloseClipboard() def get_image_data(args): image = Image.open(args) output = BytesIO() image.convert("RGB").save(output, "BMP") data = output.getvalue()[14:] # Bitmap header size return data if __name__ == "__main__: try: data = get_image_data(sys.argv[1]) send_to_clipboard(win32clipboard.CF_DIB, data) except Exception: traceback.print_exc() 

    手动复制一张 gif 图,查看两种图片编码会得到如下结果:

    import chardet def test(): try: with open("1.gif", "rb") as f: data = f.read() print(f"get stream from BytesIO", data[:30]) print(chardet.detect(data[:30])) except Exception as e: print(str(e)) try: win32clipboard.OpenClipboard() data = win32clipboard.GetClipboardData(win32clipboard.CF_DIB) print(f"get stream from windows clipboard", data[:30]) print(chardet.detect(data[:30])) except Exception as e: print(str(e)) finally: win32clipboard.CloseClipboard() 
    get stream from BytesIO b'GIF89aJ\x03T\x02\xf7\xff\x00\\d_+bV\x18\x18\x1c\xd9\xd2\x9du\xa1\' {'encoding': 'Windows-1252', 'confidence': 0.73, 'language': ''} get stream from windows clipboard b'(\x00\x00\x00J\x03\x00\x00T\x02\x00\x00\x01\x00 \x00\x03\x00' {'encoding': 'ISO-8859-1', 'confidence': 0.73, 'language': ''} 

    直接对 BytesIO 输出的数据流进行转码 data[14:].decode("Windows-1252").encode("ISO-8859-1") 也解决不了问题。求解

    References:

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