Python基于mediainfo批量重命名图片文件

	+---Input_Image  #批量放入待命名的图片文件
	|    1.jpg
	|    2.png
	|    
	+---Output_Image  #批量输出已命名的图片文件
	|    JPEG_1920x1080_32bit_jpg.jpg
	|	PNG_1280x720_32bit_png.png
	|
    \image_info.py  # 获取图片文件info信息的模块，
	\rename_image.py #调用image_info.py并实现重名，可双击运行

# coding=utf-8
 
import os
import re
import subprocess
 
 
class ImageInfoGetter():
  '''获取图片文件的Formate, 分辨率，位深度'''
 
  def __init__(self, image_file):
    '''判断文件是否存在，如果存在获取其mediainfo信息'''
    if os.path.exists(image_file):
      self.image_file = image_file
      p_obj = subprocess.Popen('mediainfo "%s"' % self.image_file, shell=True, stdout=subprocess.PIPE,
                   stderr=subprocess.PIPE)
      self.info = p_obj.stdout.read().decode("utf-8") # 解决非英文字符的编码问题
    else:
      raise FileNotFoundError("Not this File!") # 如果多媒体文件路径不存在，必须中断
 
  def get_image_format(self):
    '''获取图片的格式，比如JPEG, PNG, BMP等'''
    try:
      image_codec = re.findall(r"Format\s+:\s(.*)", self.info)[-1] # 取第最后一个Format字段
      image_codec = image_codec.strip() # 去除前后的空格
      if image_codec == "RGB":
        image_codec = "BMP"
    except:
      image_codec = "undef" # 防止程序因为异常而中断
    return image_codec
 
  def get_image_resolution(self):
    '''获取图片的分辨率'''
    try:
      image_widget = re.findall(r'Width\s+:\s(.*)pixels', self.info)[-1]
      image_widget = image_widget.replace(" ", "")
      image_height = re.findall(r'Height\s+:\s(.*)pixels', self.info)[-1]
      image_height = image_height.replace(" ", "")
      image_resolution = image_widget + "x" + image_height
    except:
      image_resolution = "undef" # 防止程序因为异常而中断
    return image_resolution
 
  def get_image_bit_depth(self):
    '''获取图片的位深度'''
    try:
      image_bit_depth = re.findall(r"Bit depth\s+:\s(.*bit)s", self.info)[-1].strip()
      image_bit_depth = image_bit_depth.replace(" ", "") # 去空格
    except:
      image_bit_depth = "undef" # 防止程序因为异常而中断
    return image_bit_depth
 
  def get_image_container(self):
    '''获取图片容器，即文件后缀名'''
    _, image_container = os.path.splitext(self.image_file)
    if not image_container:
      raise NameError("This file no extension")
    image_container = image_container.replace(".", "")
    image_container = image_container.lower() # 全部转成小写
    return image_container
 
 
if __name__ == '__main__':
  # 以下代码块，只是用来测试本模块的，一般不建议直接在这里大面积调用本模块'''
  i_obj = ImageInfoGetter("C:\\img.jpg")
  image_format = i_obj.get_image_format()
  print(image_format)
  image_resolution = i_obj.get_image_resolution()
  print(image_resolution)
  image_bit_depth = i_obj.get_image_bit_depth()
  print(image_bit_depth)
  image_container = i_obj.get_image_container()
  print(image_container)

# coding=utf-8
 
import os
import image_info
from shutil import copyfile
 
curdir = os.getcwd()
 
# 输入文件夹，放入待重命名的图片
input_image_path = os.path.join(curdir, "Input_Image")
filelist = os.listdir(input_image_path) # 获取文件列表
 
# 输出文件夹，已命名的图片存放在这里
output_image_path = os.path.join(curdir, "Output_Image")
 
# 如果没有Output_Image这个文件夹，则创建这个文件夹
if not os.path.exists(output_image_path):
  os.mkdir(output_image_path)
 
if filelist: # 如果文件列表不为空
  for i in filelist: # 遍历文件列表
    # 以下代码块，只是用来测试本模块的，一般不建议直接在这里大面积调用本模块'''
    image_file = os.path.join(input_image_path, i)
    i_obj = image_info.ImageInfoGetter(image_file)
    image_format = i_obj.get_image_format()
    image_resolution = i_obj.get_image_resolution()
    image_bit_depth = i_obj.get_image_bit_depth()
    image_container = i_obj.get_image_container()
    new_image_name = image_format + "_" + image_resolution + "_" + image_bit_depth + "_" \
             + image_container + "." + image_container
    print(new_image_name)
    new_image_file = os.path.join(output_image_path, new_image_name)
    copyfile(image_file, new_image_file) # 复制文件
else:
  print("It's a Empty folder, please input the image files which need to be renamed firstly!!!")
os.system("pause")