numen-sandbox-py
Python client for the Numen sandbox API. 0.x beta. The API can change between minor versions.
Install
pip install numen-sandbox-py
Credentials
The SDK reads ~/.config/numen/credentials.json.
Create and run
image is required. numen/base is the general platform image. The with
block destroys the sandbox when the block ends. sb.destroy() does the same.
from numen_sandbox_py import Sandbox
with Sandbox.create(image="numen/base") as sb:
print(sb.run(["python", "-c", "print(2+2)"]).stdout)
Pass id= to keep a stable name. The same id on a later create returns
that sandbox. net="egress" allows outbound network.
timeout is seconds on every call. Omit it to keep that call's default.
0 means no limit: run does not kill the command, and a file call does
not stop on its own.
Your own image
build_image sends a Dockerfile and the directory next to it. The name you
give is what you later pass to create.
from numen_sandbox_py import Client, Sandbox
with Client() as c:
c.build_image("my-agent", dockerfile="Dockerfile", context=".")
with Sandbox.create(c, image="my-agent") as sb:
print(sb.run(["python", "-c", "print(2+2)"]).stdout)
FROM python:3.12-slim
FROM is always a public image. An image you have already built or
registered, including numen/base, cannot be the base of a new one.
Files
Paths are under /work. upload writes one file, or a local directory as
one tree. A directory upload replaces that guest directory. Pass
overwrite=False to update only the paths you send.
sb.upload("/work/hello.py", "print('hi')\n", mode=0o755)
sb.upload("/work/app", local="./app")
print(sb.run(["python", "/work/hello.py"]).stdout)
write is a batch of file bodies, mkdir, and rm, in the order you give.
read returns the bytes of one file.
A process that stays up
start leaves the process running. write_stdin sends to that process.
follow yields stdout and stderr until it exits. wait blocks until it exits.
proc = sb.start(["python", "-u", "-c", "print(input())"])
proc.write_stdin("hello\n", eof=True)
for entry in proc.follow():
print(entry.stream, entry.line)
proc.wait()
Async
AsyncSandbox and AsyncClient have the same methods. await them, and
use async with.
1 maintainer
Metadata
1 maintainer
Release files for numen-sandbox-py 0.22.0
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