开发环境配置

解决问题

对手机中图片与视频整理：

1. 删除重复文件
2. 根据文件创建时间重命名
3. 根据文件创建年份归档到相应年份文件夹中

脚本内容

import random
from datetime import datetime
import hashlib
from pathlib2 import Path
import re
import exifread
from tqdm import tqdm


class Pic:
    md5s = []

    def __init__(self, source_dir, target_dir):
        self.source_dir = source_dir
        self.target_dir = target_dir

    def _get_shot_time(self, picture: Path) -> str:
        """获取图片信息"""
        # 获取exif属性
        with picture.open("rb") as f:
            img_exif = exifread.process_file(f)
        shot_time = img_exif.get('EXIF DateTimeOriginal')
        if shot_time:
            shot_time = datetime.strptime(str(shot_time), "%Y:%m:%d %H:%M:%S").strftime("%Y%m%d_%H%M%S")
        else:
            shot_time = datetime.fromtimestamp(picture.stat().st_mtime).strftime("%Y%m%d_%H%M%S")
        return shot_time

    def rename(self, picture: Path) -> Path:
        """图片重命名"""
        shot_time = self._get_shot_time(picture)
        new_name = shot_time + "_S" + str(random.randint(1, 9)) + str(random.randint(100000, 999999)) + picture.suffix
        q = picture.with_name(new_name)
        picture.rename(q)
        return q

    def _gen_md5(self, picture: Path) -> str:
        """返回图片md5值"""
        with picture.open("rb") as fp:
            md5 = hashlib.md5()
            while True:
                fb = fp.read(8096)
                if not fb:
                    break
                md5.update(fb)
        return md5.hexdigest()

    def add_md5s(self, picture: Path) -> bool:
        """
        添加不重复的文件md5到md5s列表中
        return:重复 False，不重复 True
        """
        md5_info = self._gen_md5(picture)
        if md5_info in self.md5s:
            picture.unlink()
            return False
        else:
            self.md5s.append(md5_info)
            return True

    def exist_date(self, picture: Path) -> bool:
        """判断图片命名是否带有日期
        图片命名格式 2020-11-30 或 20201130 或 2020_11_30
        """
        if re.search(r'^20[1-2][0-9][-|_]?\d{2}[-|_]?\d{2}', picture.stem):
            return True
        return False

    def tag(self, picture: Path) -> Path:
        year = picture.name[:4]
        q = Path(self.target_dir, year).resolve()
        q.mkdir(parents=True, exist_ok=True)
        picture.rename(q.joinpath(picture.name))
        return picture


if __name__ == '__main__':
    source_root = r"C:\图片1"
    target_root = r"C:\图片2"
    sr = Path(source_root)
    tr = Path(target_root)
    pic = Pic(source_root, target_root)

    # 先收集目标文件夹中的文件信息，用于去重判断
    for item in tr.glob('**/*'):
        if item.is_file():
            pic.add_md5s(item)

    # 循环处理源文件夹的图片
    pictures = [x for x in sr.iterdir() if x.is_file()]
    for item in tqdm(pictures):
        # 去重
        if pic.add_md5s(item):
            if not pic.exist_date(item):
                # 文件重命名
                item = pic.rename(item)
            # 归档
            pic.tag(item)

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