pydantic

Install cost

What you actually take on by adding pydantic to a project.

Part of this dependency tree has not been crawled yet, so these figures are a lower bound rather than a final total.

Compatibility

Python

python >=3.9

Quick start

A usage example from the pydantic README.

from datetime import datetime
from typing import Optional
from pydantic import BaseModel

class User(BaseModel):
    id: int
    name: str = 'John Doe'
    signup_ts: Optional[datetime] = None
    friends: 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]

Dependencies

Declared by pydantic v2.13.5. Runtime dependencies are installed with the package; dev dependencies are not.

Used by

Popular packages that depend on pydantic.

Relationship graph

Dependencies (left) and dependents (right) of pydantic.

Frequently installed together

Release history

45 releases in the last two years, typically about 13 days apart.

Overview

pydantic is an PyPI package that data validation using Python type hints. It has 1 known dependents in the graph. The latest version is 2.13.5.

Auto-generated from collected registry metadata. No external claims are inferred.

Funding

• https://github.com/sponsors/samuelcolvin

Frequently asked questions