pydantic 2.6.4

Data validation using Python type hints

08-08-2021 370 words 2 minutes 0 views

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Data validation using Python type hints

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The pydantic/pydantic repo was created 6 years ago and the last code push was 4 hours ago.
The project is extremely popular with a mindblowing 18411 github stars!

How to Install pydantic

You can install pydantic using pip

pip install pydantic

or add it to a project with poetry

poetry add pydantic

Package Details

Author
License
Homepage
PyPi:: https://pypi.org/project/pydantic/
Documentation:: https://docs.pydantic.dev
GitHub Repo:: https://github.com/samuelcolvin/pydantic

Classifiers

Internet
Software Development/Libraries/Python Modules

No pydantic pypi packages just yet.

Errors

A list of common pydantic errors.

[pydantic] NameError: Field name "schema" shadows a BaseModel attribute; use a different field name with "alias='schema'".
This error is encountered when you define a pydantic class that has a attributed named schema. class EmbedDoc(BaseModel): schema: int = 1 name: str = Field(str) tags: List[str] archived: bool The schema attribute is special field for pydantic……. Workaround You can specify a field alias and when the document is serialized it will use the field name schama instead of schema_. class EmbedDoc(BaseModel): schema_: int = Field(1, alias="schema") name: str = Field(str) tags: List[str] archived: bool

Code Examples

Here are some pydantic code examples and snippets.

beanie code example from docs
The following beanie code example shows how the library works by first defining two pydantic classes and then save a record to the database and retreiving a record. beanie utilizes pydantic and `motor`` to provide an asyncronys ODM for mongodb.