python格式jpg转换png(批量处理，深度24，尺寸不变)

# python图片格式jpg转换为png(批量处理,尺寸不变)
# author: zhou jinxing
import os
import PIL.Image as Image

def changeJpgToPng(srcPath,dstPath):
    # 修改图像大小
   image = Image.open(srcPath)

    # 将jpg转换为png
    png_name = str(dstPath)[0:-len('.jpg')] + '.png'
    #image.save(png_name)
    #print(png_name)

    #image = image.convert('RGBA')
    image = image.convert('RGB')
    image.save(png_name)
    pass
    
if __name__ == '__main__':
    listPath  = '/workspace/tlt-experiments/data_fire_2/step_4_jpg'
    srcPath   = '/workspace/tlt-experiments/data_fire_2/step_4_jpg/'
    dstPath   = '/workspace/tlt-experiments/data_fire_2/step_5_png/'   
    
    print("开始转换...")
    filename_list = os.listdir(listPath)
    for d in filename_list:
        if d.count('.jpg') > 0:
            changeJpgToPng(srcPath + d, dstPath + d)
        pass
    print("完成了...")