python实现动态GIF英数验证码识别示例

from io import BytesIO
from PIL import Image
def get_frame_number(binary):
    img = Image.open(BytesIO(binary))
    _num = 0
    while True:
        try:
            a = img.tell()
            _num += 1
            img.seek(a + 1)
        except EOFError:
            break
    print(f'当前gif有{_num}帧')
    return _num
with open('../error_images/08e3e54f0febfe40f314b6f4a07de6b8.gif', 'rb') as f:
    binary = f.read()
get_frame_number(binary)

from io import BytesIO
from PIL import Image
def seek_img(img_name):
    img = Image.open(r'F:\code\hg_gifs\' + img_name)  # F:\code\hg_imgs1\ 是gif图的路径
    for i in range(25):
        try:
            b = BytesIO()
            img.save(b, format='png')
            _bytes = b.getvalue()
            img = cv2.imdecode(np.array(bytearray(_bytes), dtype='uint8'), cv2.IMREAD_UNCHANGED)
            png_name = img_name.split('_')[0] + '_' + str(i) + '.png'
            cv2.imwrite(r'F:\code\hg_pngs\{}'.format(png_name), img)  # F:\code\hg_pngs\ 是静态图保存路径
            img.seek(img.tell() + 1)
        except EOFError:
            pass
rows = os.listdir(r'F:\code\hg_gifs')  # F:\code\hg_imgs1\ 是gif图的路径
for row in rows:
    seek_img(row)