如何计算大文件MD5值
对于Python 3.8以上的版本:
1 import hashlib 2 with open(path, "rb") as f: 3 file_hash = hashlib.md5() 4 while chunk := f.read(8192): 5 file_hash.update(chunk) 6 # print(file_hash.digest()) 7 print(file_hash.hexdigest())
对于Python 3.7以下的版本:
1 import hashlib 2 with open(path, "rb") as f: 3 file_hash = hashlib.md5() 4 chunk = f.read(8192) 5 while chunk: 6 file_hash.update(chunk) 7 chunk = f.read(8192) 8 print(file_hash.hexdigest())
8192是每个循环读取的区块大小,单位为比特。
来自Stack Overflow: How do I calculate the MD5 checksum of a file in Python? [duplicate]
浙公网安备 33010602011771号