Python获取文件的MD5、SHA1、SHA256和CRC32的HASH值，获取文件大小、创建时间和修改日期

# -*- coding: utf-8 -*-
import os
from hashlib import md5, sha1, sha256
from zlib import crc32
import time
from math import ceil




class Hash:
    def __init__(self, strFilePath):
        self.strFilePath = strFilePath  # 文件绝对路径
        self.hashMD5 = ""  # MD5值
        self.hashSHA1 = ""  # SHA1值
        self.hashSHA256 = ""  # SHA256值
        self.hashCRC32 = ""  # CRC32值


    def getMd5(self):  # 计算md5
        mdfive = md5()
        with open(self.strFilePath, 'rb') as f:
            mdfive.update(f.read())
        self.hashMD5 = mdfive.hexdigest().upper()
        return self.hashMD5


    def getSha1(self):  # 计算sha1
        sha1Obj = sha1()
        with open(self.strFilePath, 'rb') as f:
            sha1Obj.update(f.read())
        self.hashSHA1 = sha1Obj.hexdigest().upper()
        return self.hashSHA1


    def getSha256(self):  # 计算sha256
        sha256Obj = sha256()  # Get the hash algorithm.
        with open(self.strFilePath, 'rb') as f:
            sha256Obj.update(f.read())  # Hash the data.
        self.hashSHA256 = sha256Obj.hexdigest().upper()  # Get he hash value.
        return self.hashSHA256


    def getCrc32(self):  # 计算crc32
        with open(self.strFilePath, 'rb') as f:
            self.hashCRC32 = hex(crc32(f.read()))[2:].upper()
        return self.hashCRC32


    def getHash(self):  # 计算Hash
        mdfive = md5()
        sha1Obj = sha1()
        sha256Obj = sha256()


        with open(self.strFilePath, 'rb') as f:
            fileContent = f.read()
            mdfive.update(fileContent)
            self.hashMD5 = mdfive.hexdigest().upper()


            sha1Obj.update(fileContent)
            self.hashSHA1 = sha1Obj.hexdigest().upper()


            sha256Obj.update(fileContent)
            self.hashSHA256 = sha256Obj.hexdigest().upper()


            self.hashCRC32 = hex(crc32(fileContent))[2:].upper()


    def printHash1(self):
        print('{:8} {}'.format('MD5:', self.getMd5()))
        print('{:8} {}'.format('SHA1:', self.getSha1()))
        print('{:8} {}'.format('SHA256:', self.getSha256()))
        print('{:8} {}'.format('CRC32:', self.getCrc32()))


    def printHash2(self):
        self.getHash()
        print('{:8} {}'.format('MD5:', self.hashMD5))
        print('{:8} {}'.format('SHA1:', self.hashSHA1))
        print('{:8} {}'.format('SHA256:', self.hashSHA256))
        print('{:8} {}'.format('CRC32:', self.hashCRC32))


    # 计算文件大小（以格式KB、MB、GB、TB显示）
    def size_format(self):
        size = os.path.getsize(self.strFilePath)
        # print('文件大小:{}字节'.format(size))


        if size < 1024:
            return '%i' % size + 'size'
        elif 1024 <= size < (1024 * 1024):
            return '%.2f' % float(size  1024) + 'KB'
        elif (1024 * 1024) <= size < (1024 * 1024 * 1024):
            return '%.2f' % float(size  (1024 * 1024)) + 'MB'
        elif (1024 * 1024 * 1024) <= size < (1024 * 1024 * 1024 * 1024):
            return '%.2f' % float(size  (1024 * 1024 * 1024)) + 'GB'
        elif (1024 * 1024 * 1024 * 1024) <= size:
            return '%.2f' % float(size  (1024 * 1024 * 1024 * 1024)) + 'TB'
        else:
            pass


    def secondsToStr(self, seconds):
        x = time.localtime(seconds)  # 时间元组
        return time.strftime("%Y-%m-%d %X", x)  # 时间元组转为字符串


    '''
    st_mode=33206 #权限模式
    st_ino=844424930150465 #inode number
    st_dev=3795105997 #device
    st_nlink=1 #number of hard links
    st_uid=0  #所有用户的user id
    st_gid=0 #所有用户的group id
    st_size=64985 #文件的大小，以字节为单位
    st_atime=1549040523  #文件最后访问时间
    st_mtime=1549040524  #文件最后修改时间
    st_ctime=1549036862  #文件创建时间
    '''
    def printFileAttributes(self):
        print('文件路径:{}'.format(self.strFilePath))


        # 获取文件属性信息
        fileInfo = os.stat(self.strFilePath)
        print('文件大小:{}'.format(self.size_format()))
        print('文件大小:{}字节'.format(ceil(fileInfo.st_size)))
        print('文件创建时间:{}'.format(self.secondsToStr(fileInfo.st_ctime)))
        # print('文件访问时间:{}'.format(self.secondsToStr(fileInfo.st_atime)))
        print('文件修改时间:{}'.format(self.secondsToStr(fileInfo.st_mtime)))




"""-----------------------------------------------
主函数
-----------------------------------------------"""
if __name__ == '__main__':
    strFileAbsolutePath = os.path.join(os.getcwd() + "\\" + "“捷创源科技”公众号.jpg")


    objHash = Hash(strFileAbsolutePath)
    # objHash.printHash1()
    objHash.printHash2()
    objHash.printFileAttributes()