mirror of
https://github.com/kennethreitz/pydantic.git
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Samuel Colvin
56 lines
2.3 KiB
Markdown
56 lines
2.3 KiB
Markdown
# pydantic
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[](https://github.com/samuelcolvin/pydantic/actions?query=event%3Apush+branch%3Amaster+workflow%3ACI)
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[](https://coverage-badge.samuelcolvin.workers.dev/redirect/samuelcolvin/pydantic)
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[](https://pypi.python.org/pypi/pydantic)
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[](https://anaconda.org/conda-forge/pydantic)
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[](https://pypistats.org/packages/pydantic)
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[](https://github.com/samuelcolvin/pydantic)
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[](https://github.com/samuelcolvin/pydantic/blob/master/LICENSE)
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Data validation and settings management using Python type hinting.
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Fast and extensible, *pydantic* plays nicely with your linters/IDE/brain.
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Define how data should be in pure, canonical Python 3.6+; validate it with *pydantic*.
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## Help
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See [documentation](https://pydantic-docs.helpmanual.io/) for more details.
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## Installation
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Install using `pip install -U pydantic` or `conda install pydantic -c conda-forge`.
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For more installation options to make *pydantic* even faster,
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see the [Install](https://pydantic-docs.helpmanual.io/install/) section in the documentation.
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## A Simple Example
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```py
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from datetime import datetime
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from typing import List, Optional
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from pydantic import BaseModel
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class User(BaseModel):
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id: int
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name = 'John Doe'
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signup_ts: Optional[datetime] = None
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friends: List[int] = []
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external_data = {'id': '123', 'signup_ts': '2017-06-01 12:22', 'friends': [1, '2', b'3']}
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user = User(**external_data)
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print(user)
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#> User id=123 name='John Doe' signup_ts=datetime.datetime(2017, 6, 1, 12, 22) friends=[1, 2, 3]
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print(user.id)
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#> 123
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```
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## Contributing
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For guidance on setting up a development environment and how to make a
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contribution to *pydantic*, see
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[Contributing to Pydantic](https://pydantic-docs.helpmanual.io/contributing/).
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## Reporting a Security Vulnerability
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See our [security policy](https://github.com/samuelcolvin/pydantic/security/policy).
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