● Covered by 2 sources · 2 reportsMedium impact2 neutral
Cloudflare Workers now generally available for Python applications
Key points
- Python Workers are now generally available on Cloudflare.
- Python is a first-class, fully supported language in Workers runtime.
- Supports integration with Cloudflare services like AI, R2, D1.
- Popular Python frameworks like FastAPI, Django, Flask are supported.
- Python Workers reached general availability two years after the first preview.
- Python now runs alongside JavaScript and TypeScript on the Developer Platform.
- Bindings are available for Hyperdrive, Durable Objects, Queues, and Workflows.
- PEP 783, PyEmscripten, was accepted after more than a year.
- Cloudflare stabilized the Pyodide build toolchain.
- Cloudflare added PyEmscripten support to cibuildwheel.
- Cloudflare implemented a socket bridge for drivers like aiomysql and asyncpg.
Python Workers Reach General Availability
Cloudflare has officially announced the general availability (GA) of Python Workers. This means that Python is now a fully supported language within the Cloudflare Developer Platform, allowing developers to deploy Python applications directly to the Workers runtime. The feature was initially introduced two years ago and has now reached a production-ready state.
Enhanced Platform Integration
With GA status, Python Workers offer native support for Cloudflare Developer Platform bindings. This enables seamless integration with other Cloudflare services such as Workers AI, R2, D1, Hyperdrive, Durable Objects, and Queues. Developers can utilize their existing Python code, libraries, and design patterns within this environment.
Framework Compatibility and Development
The general availability includes support for popular Python web frameworks like FastAPI, Django, and Flask, which can now run inside Python Workers. The development of Python Workers leveraged WebAssembly (Wasm) and Pyodide, allowing a Wasm-compiled Python interpreter to run within the Workers environment. This multi-year effort aimed to create a scalable platform for Python applications with ease of development and performance comparable to other Python environments.
Updates
- Python Workers reached general availability two years after the first preview.
- Python now runs alongside JavaScript and TypeScript on the Developer Platform.
- Bindings are available for Hyperdrive, Durable Objects, Queues, and Workflows.
- PEP 783, PyEmscripten, was accepted after more than a year.
- Cloudflare stabilized the Pyodide build toolchain.
- Cloudflare added PyEmscripten support to cibuildwheel.
- Cloudflare implemented a socket bridge for drivers like aiomysql and asyncpg.
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Primary sources
GitHub cloudflare/langchain-cloudflare GitHub cloudflare/python-workers-examples CVE CVE-2023-503877.5 HIGH CVE CVE-2025-501825.3 MEDIUMHow outlets covered it
Cloudflare has made Python Workers generally available, allowing Python to run on its Developer Platform alongside JavaScript and TypeScript. This release includes bindings to various Cloudflare services and support for popular Python web frameworks, enabled by advancements in packaging standards, a socket bridge, and HTTP client contributions.
Cloudflare has announced the general availability of Python Workers, allowing developers to run Python applications directly within the Cloudflare Workers runtime. This update makes Python a fully supported language on the Cloudflare Developer Platform, integrating it with various Cloudflare services and popular Python frameworks.