Deno for Python

PyPI version PyPI downloads License

The easiest way to install and use Deno — the modern JavaScript and TypeScript runtime — in your Python projects.

What is Deno?

Deno is a secure runtime for JavaScript and TypeScript that's built on V8, Rust, and Tokio. It features:

  • 🔒 Secure by default - No file, network, or environment access unless explicitly enabled
  • 🚀 TypeScript support - Built-in TypeScript compiler, no configuration needed
  • 📦 Modern module system - Native ES modules with URL imports
  • 🛠️ Built-in tooling - Includes formatter, linter, test runner, bundler, and more
  • 🌐 Web standard APIs - Compatible with browser APIs like fetch, WebSocket, and Web Workers
  • ⚡ High performance - V8 engine with Rust-powered I/O

Installation

Using pip

pip install deno

Using uv (recommended)

uv add deno

Using poetry

poetry add deno

Usage

Command Line

Run Deno directly using uvx or pipx:

# Check version
uvx deno --version

# Run a script
uvx deno run https://examples.deno.land/hello-world.ts

# Start a REPL
uvx deno

With pipx:

pipx run deno --version

After installing with pip, the deno command is available in your PATH:

deno run --allow-net server.ts

Python API

Use the Python API to integrate Deno into your Python applications:

import deno
import subprocess

# Get the path to the Deno executable
deno_bin = deno.find_deno_bin()

# Run a Deno script from Python
result = subprocess.run(
    [deno_bin, "run", "--allow-net", "script.ts"],
    capture_output=True,
    text=True
)

print(result.stdout)

Example: Running TypeScript from Python

import deno
import subprocess
import tempfile
import os

# Create a temporary TypeScript file
ts_code = """
console.log("Hello from Deno!");
const data = { message: "TypeScript works!" };
console.log(JSON.stringify(data));
"""

with tempfile.NamedTemporaryFile(mode='w', suffix='.ts', delete=False) as f:
    f.write(ts_code)
    ts_file = f.name

try:
    # Execute with Deno
    result = subprocess.run(
        [deno.find_deno_bin(), "run", ts_file],
        capture_output=True,
        text=True
    )
    print(result.stdout)
finally:
    os.unlink(ts_file)

Platform Support

This package provides official Deno binaries for:

Platform Architectures
🍎 macOS x86_64 (Intel), arm64 (Apple Silicon)
🐧 Linux x86_64 (amd64), arm64 (aarch64)
🪟 Windows x86_64 (64-bit)

The appropriate binary for your platform is automatically downloaded and installed.

Common Use Cases

Running Deno Scripts in Python Projects

Integrate JavaScript/TypeScript functionality into your Python applications:

import deno
import subprocess

def run_deno_script(script_path: str, *args):
    """Execute a Deno script with arguments."""
    result = subprocess.run(
        [deno.find_deno_bin(), "run", "--allow-all", script_path, *args],
        capture_output=True,
        text=True
    )
    return result.stdout

output = run_deno_script("./scripts/process-data.ts", "input.json")

Using Deno as a Task Runner

Add Deno scripts to your Python project for tasks like:

  • Frontend asset building
  • API mocking
  • Data processing with TypeScript
  • Testing web APIs

CI/CD Integration

Install Deno in your CI/CD pipelines:

# GitHub Actions example
- name: Install Deno via pip
  run: pip install deno

- name: Run Deno tests
  run: deno test --allow-all

Why Use deno via PyPI?

  • ✅ Easy integration - Install Deno alongside Python dependencies
  • ✅ Version pinning - Lock Deno versions in requirements.txt or pyproject.toml
  • ✅ No manual downloads - Automatic binary management
  • ✅ Cross-platform - Works seamlessly across development and production environments
  • ✅ Python API - Programmatic access to Deno from Python code

Version Compatibility

The version of this package corresponds to the Deno version it distributes. For example:

  • deno==2.1.0 includes Deno v2.1.0
  • deno==2.0.0 includes Deno v2.0.0

Check the Deno releases for version details.

Resources

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

MIT

This repository redistributes official Deno binaries under the MIT license to make them easily installable via pip, uv, poetry, and other Python package managers.

Project links

Key dates

PyPI data
Data sourced directly from PyPI's database.
  • Released:
Latest release

Owner

PyPI data
Data sourced directly from PyPI's database.

Credits

Author: the Deno authors

License expression

MIT
View SPDX License List

Requires

Python >=3.10

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