---
title: Durable Objects are now supported in Python Workers
description: You can now create Durable Objects using Python
image: https://developers.cloudflare.com/changelog-preview.png
---

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## Durable Objects are now supported in Python Workers

May 16, 2025 

[ Workers ](https://developers.cloudflare.com/workers/)[ Durable Objects ](https://developers.cloudflare.com/durable-objects/) 

You can now create [Durable Objects](https://developers.cloudflare.com/durable-objects/) using [Python Workers](https://developers.cloudflare.com/workers/languages/python/). A Durable Object is a special kind of Cloudflare Worker which uniquely combines compute with storage, enabling stateful long-running applications which run close to your users. For more info see [here](https://developers.cloudflare.com/durable-objects/concepts/what-are-durable-objects/).

You can define a Durable Object in Python in a similar way to JavaScript:

Python

```
from workers import DurableObject, Response, WorkerEntrypoint
from urllib.parse import urlparse
class MyDurableObject(DurableObject):    def __init__(self, ctx, env):        self.ctx = ctx        self.env = env
    def fetch(self, request):        result = self.ctx.storage.sql.exec("SELECT 'Hello, World!' as greeting").one()        return Response(result.greeting)
class Default(WorkerEntrypoint):    async def fetch(self, request):        url = urlparse(request.url)        id = env.MY_DURABLE_OBJECT.idFromName(url.path)        stub = env.MY_DURABLE_OBJECT.get(id)        greeting = await stub.fetch(request.url)        return greeting
```

Define the Durable Object in your Wrangler configuration file:

* [  wrangler.jsonc ](#tab-panel-2751)
* [  wrangler.toml ](#tab-panel-2752)

JSONC

```
{  "durable_objects": {    "bindings": [      {        "name": "MY_DURABLE_OBJECT",        "class_name": "MyDurableObject"      }    ]  }}
```

TOML

```
[[durable_objects.bindings]]name = "MY_DURABLE_OBJECT"class_name = "MyDurableObject"
```

Then define the storage backend for your Durable Object:

* [  wrangler.jsonc ](#tab-panel-2753)
* [  wrangler.toml ](#tab-panel-2754)

JSONC

```
{  "migrations": [    {      "tag": "v1", // Should be unique for each entry      "new_sqlite_classes": [ // Array of new classes        "MyDurableObject"      ]    }  ]}
```

TOML

```
[[migrations]]tag = "v1"new_sqlite_classes = [ "MyDurableObject" ]
```

Then test your new Durable Object locally by running `wrangler dev`:

Terminal window

```
npx wrangler dev
```

Consult the [Durable Objects documentation](https://developers.cloudflare.com/durable-objects/) for more details.

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