integers float accepts positive floating point values path like string but also accepts slashes uuid accepts UUID strings Unique URLs / Redirection Behavior The following two rules differ in their use of The default Flask JSON encoder. This one extends the default encoder by also supporting datetime, UUID, dataclasses, and Markup objects. datetime objects are serialized as RFC 822 datetime strings. This html#tuple] bytes [https://docs.python.org/3/library/stdtypes.html#bytes] Markup UUID [https://docs.python.org/3/library/uuid.html#uuid.UUID] datetime [https://docs.python.org/3/library/datetime.html#datetime.datetime]

env 文件，并写入生产环境下需要设置的两个环境变 量。其中，密钥（ SECRET_KEY ）的值是随机字符串，我们可以使用 uuid 模块来 生成： 第 11 章：部署上线 119 $ python3 >>> import uuid >>> uuid.uuid4().hex '3d6f45a5fc12445dbac2f59c3b6c7cb1' 复制生成的随机字符备用，接着创建 .env

integers float accepts positive floating point values path like string but also accepts slashes uuid accepts UUID strings Unique URLs / Redirection Behavior The following two rules differ in their use of The default Flask JSON encoder. This one extends the default encoder by also supporting datetime, UUID, dataclasses, and Markup objects. datetime objects are serialized as RFC 822 datetime strings. This itsdangerous.Serializer. The following extra types are supported: • dict • tuple • bytes • Markup • UUID • datetime default_tags = [, ,