Repository files navigation

Data validation and settings management using Python type hints.

Fast and extensible,pydantic plays nicely with your linters/IDE/brain.Define how data should be in pure, canonical Python 3.7+; validate it withpydantic.

We've started a company based on the principles that I believe have led to Pydantic's success.Learning more from theCompany Announcement.

Seedocumentation for more details.

Install usingpip install -U pydantic orconda install pydantic -c conda-forge.For more installation options to makepydantic even faster,see theInstall section in the documentation.

fromdatetimeimportdatetimefromtypingimportList,OptionalfrompydanticimportBaseModelclassUser(BaseModel):id:intname='John Doe'signup_ts:Optional[datetime]=Nonefriends:List[int]= []external_data= {'id':'123','signup_ts':'2017-06-01 12:22','friends': [1,'2',b'3']}user=User(**external_data)print(user)#> User id=123 name='John Doe' signup_ts=datetime.datetime(2017, 6, 1, 12, 22) friends=[1, 2, 3]print(user.id)#> 123

For guidance on setting up a development environment and how to make acontribution topydantic, seeContributing to Pydantic.

See oursecurity policy.