Send PTY Input

from gravixlayer import GravixLayer

client = GravixLayer()  # defaults to cloud="aws", region="us-east-1"
sandbox = client.runtime.create()  # defaults to template="base-small"
session = sandbox.pty.create()
sid = session.session_id

# Text: a shell only acts on a line once it sees a newline.
sandbox.pty.send_input(sid, "ls -la\n")

# Bytes: control characters and escape sequences go through verbatim.
sandbox.pty.send_input(sid, b"\x03")   # Ctrl-C
sandbox.pty.send_input(sid, b"\x04")   # Ctrl-D (EOF)

sandbox.kill()

import { GravixLayer } from 'gravixlayer';

const client = new GravixLayer(); // defaults to cloud="aws", region="us-east-1"
const sandbox = await client.runtime.create(); // defaults to template="base-small"
const session = await sandbox.pty.create();
const sid = session.sessionId;

await sandbox.pty.sendInput(sid, 'ls -la\n');
await sandbox.pty.sendInput(sid, new Uint8Array([0x03])); // Ctrl-C
await sandbox.pty.sendInput(sid, new Uint8Array([0x04])); // Ctrl-D (EOF)

await sandbox.kill();

# --no-newline suppresses the trailing newline the CLI adds by default.
gravixlayer runtime pty send "$RT" "$SID" "ls -la"

gravixlayer runtime pty send "$RT" "$SID" $'\x03' --no-newline

curl -X POST "https://api.gravixlayer.ai/v1/agents/runtime/$RT/pty/$SID/input" \
  -H "Authorization: Bearer $GRAVIXLAYER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"data": "ls -la\n"}'

import re

pending = ["python3\n", "import sys\n", "print(sys.version)\n"]
buffer = ""

for event in sandbox.pty.stream(sid):
    if event["type"] != "data":
        continue
    buffer += event["data"].decode("utf-8", "replace")
    if pending and re.search(r"(\$|>>>) $", buffer):
        sandbox.pty.send_input(sid, pending.pop(0))
        buffer = ""
    elif not pending:
        break

const pending = ['python3\n', 'import sys\n', 'print(sys.version)\n'];
let buffer = '';

for await (const event of sandbox.pty.stream(sid)) {
  if (event.type !== 'data') continue;
  buffer += new TextDecoder().decode(event.data);
  if (pending.length > 0 && /(\$|>>>) $/.test(buffer)) {
    await sandbox.pty.sendInput(sid, pending.shift()!);
    buffer = '';
  } else if (pending.length === 0) {
    break;
  }
}