Prisma Client Python is a next-generation ORM built on top of Prisma that has been designed from the ground up for ease of use and correctness.

Prisma Client Python offers features that no other Python ORM can: - Auto completion for query arguments - Full type safety

Programming language: Python
License: Apache License 2.0

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Prisma Client Python Type-safe database access for Python

What is Prisma Client Python?

Prisma Client Python is a next-generation ORM built on top of Prisma that has been designed from the ground up for ease of use and correctness.

Prisma Client Python can be used in any Python backend application. This can be a REST API, a GraphQL API or anything else that needs a database.

[GIF showcasing Prisma Client Python usage](./docs/showcase.gif)

Why should you use Prisma Client Python?

Unlike other Python ORMs, Prisma Client Python is fully type safe and offers native support for usage with and without async. All you have to do is specify the type of client you would like to use for your project in the Prisma schema file.

However, the arguably best feature that Prisma Client Python provides is autocompletion support (see the GIF above). This makes writing database queries easier than ever!

Core features:

Supported database providers:

  • PostgreSQL
  • MySQL
  • SQLite
  • MongoDB (experimental)
  • SQL Server (experimental)


Have any questions or need help using Prisma? Feel free to:

How does Prisma work?

This section provides a high-level overview of how Prisma works and its most important technical components. For a more thorough introduction, visit the documentation.

The Prisma schema

Every project that uses a tool from the Prisma toolkit starts with a Prisma schema file. The Prisma schema allows developers to define their application models in an intuitive data modeling language. It also contains the connection to a database and defines a generator:

// database
datasource db {
  provider = "sqlite"
  url      = "file:database.db"

// generator
generator client {
  provider = "prisma-client-py"

// data models
model Post {
  id        Int     @id @default(autoincrement())
  title     String
  content   String?
  views     Int     @default(0)
  published Boolean @default(false)
  author    User?   @relation(fields: [author_id], references: [id])
  author_id Int?

model User {
  id    Int     @id @default(autoincrement())
  email String  @unique
  name  String?
  posts Post[]

In this schema, you configure three things:

  • Data source: Specifies your database connection. In this case we use a local SQLite database however you can also use an environment variable.
  • Generator: Indicates that you want to generate Prisma Client Python.
  • Data models: Defines your application models.

On this page, the focus is on the generator as this is the only part of the schema that is specific to Prisma Client Python. You can learn more about Data sources and Data models on their respective documentation pages.

Prisma generator

A prisma schema can define one or more generators, defined by the generator block.

A generator determines what assets are created when you run the prisma generate command. The provider value defines which Prisma Client will be created. In this case, as we want to generate Prisma Client Python, we use the prisma-client-py value.

You can also define where the client will be generated to with the output option. By default Prisma Client Python will be generated to the same location it was installed to, whether thats inside a virtual environment, the global python installation or anywhere else that python packages can be imported from.

For more options see configuring Prisma Client Python.

Accessing your database with Prisma Client Python

Just want to play around with Prisma Client Python and not worry about any setup? You can try it out online on gitpod.

Installing Prisma Client Python

The first step with any python project should be to setup a virtual environment to isolate installed packages from your other python projects, however that is out of the scope for this page.

In this example we'll use an asynchronous client, if you would like to use a synchronous client see setting up a synchronous client.

pip install -U prisma

Generating Prisma Client Python

Now that we have Prisma Client Python installed we need to actually generate the client to be able to access the database.

Copy the Prisma schema file shown above to a schema.prisma file in the root directory of your project and run:

prisma db push

This command will add the data models to your database and generate the client, you should see something like this:

Prisma schema loaded from schema.prisma
Datasource "db": SQLite database "database.db" at "file:database.db"

SQLite database database.db created at file:database.db

๐Ÿš€  Your database is now in sync with your schema. Done in 26ms

โœ” Generated Prisma Client Python to ./.venv/lib/python3.9/site-packages/prisma in 265ms

It should be noted that whenever you make changes to your schema.prisma file you will have to re-generate the client, you can do this automatically by running prisma generate --watch.

The simplest asynchronous Prisma Client Python application will either look something like this:

import asyncio
from prisma import Client

async def main() -> None:
    client = Client()
    await client.connect()

    # write your queries here
    user = await client.user.create(
            'name': 'Robert',

    await client.disconnect()

if __name__ == '__main__':

or like this:

import asyncio
from prisma import Client, register
from prisma.models import User

async def main() -> None:
    client = Client()
    await client.connect()

    # write your queries here
    user = await User.prisma().create(
            'name': 'Robert',

    await client.disconnect()

if __name__ == '__main__':

Query examples

For a more complete list of queries you can perform with Prisma Client Python see the documentation.

All query methods return pydantic models.

Retrieve all User records from the database

users = await client.user.find_many()

Include the posts relation on each returned User object

users = await client.user.find_many(
        'posts': True,

Retrieve all Post records that contain "prisma"

posts = await client.post.find_many(
        'OR': [
            {'title': {'contains': 'prisma'}},
            {'content': {'contains': 'prisma'}},

Create a new User and a new Post record in the same query

user = await client.user.create(
        'name': 'Robert',
        'email': '[email protected]',
        'posts': {
            'create': {
                'title': 'My first post from Prisma!',

Update an existing Post record

post = await client.post.update(
        'id': 42,
        'views': {
            'increment': 1,

Usage with static type checkers

All Prisma Client Python methods are fully statically typed, this means you can easily catch bugs in your code without having to run it!

For more details see the documentation.

Room for improvement

Prisma Client Python is a new project and as such there are some features that are missing or incomplete.

Auto completion for query arguments

Prisma Client Python query arguments make use of TypedDict types. While there is very limited support for completion of these types within the Python ecosystem some editors do support it.

Supported editors / extensions:

user = await client.user.find_first(

Given the cursor is where the | is, an IDE should suggest the following completions:

  • id
  • email
  • name
  • posts


There has currently not been any work done on improving the performance of Prisma Client Python queries, this is something that will be worked on in the future and there is room for massive improvements.

Supported platforms

Only MacOS and Linux are officially supported.

Windows is unofficially supported as tests are not currently ran on windows.

Version guarantees

Prisma Client Python is not stable.

Breaking changes will be documented and released under a new MINOR version following this format.


New releases are scheduled bi-weekly, however as this is a solo project, no guarantees are made that this schedule will be stuck to.


We use conventional commits (also known as semantic commits) to ensure consistent and descriptive commit messages.

See the contributing documentation for more information.


This project would not be possible without the work of the amazing folks over at prisma.

Massive h/t to @steebchen for his work on prisma-client-go which was incredibly helpful in the creation of this project.

This README is also heavily inspired by the README in the prisma/prisma repository.