importuuid# Generate a UUID from a host ID, sequence number, and the current time>>>uuid.uuid1()# Generate a UUID from the MD5 hash of a namespace UUID and a name>>>uuid.uuid3(uuid.NAMESPACE_DNS,'python.org')# Generate a random UUID>>>uuid.uuid4()# Generate a UUID from the ...
importuuid# Generate a UUID from a host ID, sequence number, and the current timeuuidOne = uuid.uuid1()print("UUID of version one", uuidOne) 注意:uuid1是不安全的,因为它以UUID显示计算机的网络地址,因此存在隐私问题。 使用节点和时钟序列为主机生成唯一ID的示例 每台计算机都有不同的MAC地址,因此...
这段代码定义了一个generate_uuid函数,用于生成并返回一个UUID。在__main__块中,我们调用这个函数并打印生成的UUID。每次运行这段代码时,你都会得到一个不同的随机UUID。
基于命名空间标识符(实质上是一个UUID)和一个名称(实质上是一个字符串)的MD5哈希值生成的UUID # 源码参考 1 def uuid3(namespace, name): 2 """Generate a UUID from the MD5 hash of a namespace UUID and a name.""" 3 from hashlib import md5 4 hash = md5(namespace.bytes + bytes(name, "...
uuid5同样根据传入的namespace和一个由调用者指定字符串生成uuid,如uuid3不同的是,它使用SHA1算法。 源码列在下面👇🏻: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 defuuid1(node=None,clock_seq=None):"""Generate aUUIDfrom a hostID,sequence number,and the current time.If'node'is not ...
python生成16位纯数字uuid python生成唯一数字id,我们在实际编程过程中会经常遇到需要用唯一ID的场合,这些唯一ID还会存到数据库中以便于我们将来进行查询。例如用户编号、订单编号、客户编号等等,几乎凡是需要用来严格划分用户数据归属性的地方就需要用到唯一ID,否则A的
Generate a UUID 3 and 5 based Name and cryptographic hash values. Understand the Structure of UUID Convert UUID to its String representation. Convert the String representation of UUID to valid UUID instance. Generate a reproducible UUID using a seed value ...
uuid4() Generate a random UUID. uuid5() Generate a UUID from the SHA-1 hash of a namespace UUID and a name. 数据NAMESPACE_DNS = UUID('6ba7b810-9dad-11d1-80b4-00c04fd430c8') NAMESPACE_OID = UUID('6ba7b812-9dad-11d1-80b4-00c04fd430c8') NAMESPACE_URL = UUID('6ba7...
uuid6.uuid6(node=None, clock_seq=None) Generate a UUID from a host ID, sequence number, and the current time. If node is not given, a random 48-bit number is chosen. If clock_seq is given, it is used as the sequence number; otherwise a random 14-bit sequence number is chosen. ...
2defuuid4():3"""Generate a random UUID."""4returnUUID(bytes=os.urandom(16), version=4) uuid5() 基于命名空间标识符(实质上是一个UUID)和一个名称(实质上是一个字符串)的SHA-1哈希值生成的UUID # 源码参考 1defuuid5(namespace, name):2"""Generate a UUID from the SHA-1 hash of a name...