class User(BaseModel): name: str age: int email: str created_at: datetime # 创建用户数据 user = User( name=“小明”, age=“18”, # 传入字符串也没问题 email=“xiaoming@example.com”, created_at=“2024-01-01T00:00:00” # 日期字符串自动转换 ) print(user.model_dump()) # 打印所有...
res = datetime.datetime.fromtimestamp(value) except ValueError: raise ValidationError("时间戳似乎无效") return res class DateModel(BaseModel): dob: Annotated[datetime.datetime, BeforeValidator(stamp2date)] 这个示例在默认验证之前对数据进行了验证。这非常有用,因为它给了我们修改和重新格式化数据的机会,同...
{ 'wine': 9, b'cheese': 7, 'cabbage': '1', }, } user = User(**external_data) print(user.id) #> 123 print(user.model_dump()) """ { 'id': 123, 'name': 'John Doe', 'signup_ts': datetime.datetime(2019, 6, 1, 12, 22), 'tastes': {'wine': 9, 'cheese': 7, ...
model_dump())}") except ValidationError as e: print(f"Validation error: {e.json()}") 默认情况下, datetime 对象被序列化为 ISO 8601 字符串。这里使用field_serializer自定义序列化规则。 {'id': 123, 'name': '小卤蛋', 'age': 20, 'email': 'xiaoludan@example.com', 'signup_ts': '...
model_dump() { 'employee_id': UUID('d2e7b773-926b-49df-939a-5e98cbb9c9eb'), 'name': 'Eric Slogrenta', 'email': 'eslogrenta@example.com', 'date_of_birth': datetime.date(1990, 1, 2), 'salary': 125000.0, 'department': <Department.HR: 'HR'>, 'elected_benefits': False }...
from datetime import datetime from typing import List, Optional from pydantic import BaseModel, ...
id}, aed.model_dump(), upsert=True) for aed in aeds] bulk_write_arg.extend(DeleteOne({'id': remove_id}) for remove_id in remove_ids) # keep transaction as short as possible: avoid doing any computation inside async with Transaction() as s: @@ -231,39 +226,46 @@ async def ...
from pydantic import BaseModel from datetime import timedelta class MyModel(BaseModel): delta: timedelta = timedelta(seconds=0.0) m = MyModel() print(m.model_dump_json()) # {"delta":"P"} MyModel.model_validate_json(m.model_dump_json()) Above code results in a time_delta_parsing error...
fromdatetimeimportdatetimefromtypingimportList,OptionalfrompydanticimportBaseModelclassUser(BaseModel):id:intname ='John Doe'signup_ts:Optional[datetime] =Nonefriends:List[int] = [] external_data = {'id':'123','signup_ts':'2019-06-01 12:22','friends': [1,2,'3'], ...
1 validation error for CookingModel fruit value is not a valid enumeration member; permitted: 'pear', 'banana' (type=type_error.enum; enum_values=[<FruitEnum.pear: 'pear'>, <FruitEnum.banana: 'banana'>]) """ 5.日期时间类型 datetime:支持datetime对象、str、int时间戳 ...