PAI-Instant Service提供 code-interpreter、browser、claude-code等預置公用模板,覆蓋代碼執行、瀏覽器自動化、案頭操作、AI Coding 等主流 應用情境,開箱即用。以下介紹各公用模板的功能與使用方式。
概述
公用模板由 EAS 平台預置,無需自建即可在任意即時服務下使用。每個公用模板針對特定應用情境做了運行時環境的預配置(如預裝庫、開機前服務、預設連接埠)。
模板選型對照表
應用情境 | 推薦公用模板 | 關鍵能力 |
代碼解譯器 / 資料分析 |
| 預裝Python 3.11(含 numpy/pandas/matplotlib/sklearn)、JavaScript、TypeScript |
瀏覽器自動化 / Web 搜尋 |
| Chromium + Playwright/MCP 雙協議接入 |
案頭 G使用者介面自動化 / 截圖 |
| Ubuntu 22.04 + 遠端桌面 + 使用者介面自動化 SDK |
AI Coding(Claude) |
| 預裝 Claude CLI + 百鍊 API 接入 |
AI Coding(開源) |
| 預裝 opencode + opencode server |
通用任務應用 |
| 通用任務應用 架構 + 百鍊 API 接入 |
通用前置準備
使用公用模板前,請先:
擷取SDK串連配置:在模板詳情頁單擊右上方SDK接入擷取
E2B_DOMAIN、E2B_API_KEY以及模板id。說明公用模板使用即時服務的Token作為
E2B_API_KEY。使用者可在建立即時服務時設定自訂Token,替代系統自動產生的。安裝 E2B SDK(僅支援使用小於v2.25.0的版本):
pip install "e2b<2.25.0"。
code-interpreter
code-interpreter 公用模板提供了 Python 3.11、JavaScript、TypeScript 的開發環境,可基於 e2b_code_interpreter SDK 進行代碼執行和檔案操作。
pip install e2b_code_interpreter import os
import time
from e2b_code_interpreter import Sandbox
os.environ["E2B_DOMAIN"] = "<YOUR-DOMAIN>"
os.environ["E2B_API_KEY"] = "<YOUR-API-KEY>"
sandbox = Sandbox.create(template="code-interpreter", timeout=300000)
# 等待執行個體就緒
print(f"Waiting for sandbox {sandbox.sandbox_id} to be ready...")
for _ in range(30):
try:
if sandbox.is_running():
print("Sandbox is ready.")
break
except Exception:
pass
time.sleep(2)
# Python 代碼執行
execution = sandbox.run_code("print('hello world')")
print(execution.logs)
sandbox.run_code("x = 42")
execution = sandbox.run_code("print(f'x = {x}')")
print(execution.logs.stdout)
# JavaScript
result = sandbox.commands.run("node -e \"console.log('Hello from Node.js')\"")
print(result.stdout)
# TypeScript
result = sandbox.commands.run("tsx -e \"const msg: string = 'Hello from TypeScript'; console.log(msg)\"")
print(result.stdout)
# 檔案操作
entries = sandbox.files.list("/home/user")
for e in entries:
print(f"{e.type}\t{e.name}")
sandbox.files.write("/home/user/hello.txt", "Hello from sandbox")
content = sandbox.files.read("/home/user/hello.txt")
print(content) browser
browser 公用模板預裝了 Chromium 瀏覽器,並提供 CDP(Chrome DevTools Protocol)和 MCP 兩種訪問方式(連接埠分別為 8080 和 50005),可提供自動化瀏覽能力。以下分別介紹通過 Playwright、MCP 直接操控執行個體中的瀏覽器,以及通過 browser_use 構建 DeepSearch 應用 的方式。
方式一:Playwright
用戶端需安裝 Playwright:
pip install playwright 通過 CDP(Chrome DevTools Protocol)WebSocket 串連執行個體內的瀏覽器,使用 Playwright 完整 API 執行頁面導航、截圖、元素提取等操控:
import asyncio
import os
import time
from urllib.parse import quote_plus
import httpx
from e2b import Sandbox
from playwright.async_api import async_playwright
os.environ["E2B_DOMAIN"] = "<YOUR-DOMAIN>"
os.environ["E2B_API_KEY"] = "<YOUR-API-KEY>"
GATEWAY_PORT = 8080
sandbox = Sandbox.create(template="browser", timeout=300000)
print(f"Waiting for sandbox {sandbox.sandbox_id} to be ready...")
for _ in range(30):
try:
if sandbox.is_running():
print("Sandbox is ready.")
break
except Exception:
pass
time.sleep(2)
# 鑒權要求標頭(所有請求必須)
def _auth_headers():
return {
"X-Access-Token": sandbox._envd_access_token,
"E2b-Sandbox-Id": sandbox.sandbox_id,
}
# 擷取 CDP WebSocket URL
def get_cdp_url():
gateway_host = sandbox.get_host(GATEWAY_PORT)
resp = httpx.get(
f"https://{gateway_host}/json/version",
headers=_auth_headers(), timeout=10, verify=False,
)
resp.raise_for_status()
guid = resp.json()["webSocketDebuggerUrl"].rsplit("/", 1)[-1]
return f"wss://{gateway_host}/devtools/browser/{guid}"
async def search_with_playwright(query: str):
cdp_url = get_cdp_url()
print(f"CDP URL: {cdp_url}")
async with async_playwright() as p:
browser = await p.chromium.connect_over_cdp(cdp_url, headers=_auth_headers())
if browser.contexts and browser.contexts[0].pages:
page = browser.contexts[0].pages[0]
else:
page = await (await browser.new_context()).new_page()
# 導航
search_url = f"https://www.bing.com/search?q={quote_plus(query)}"
await page.goto(search_url, wait_until="load", timeout=30000)
print(f"Navigated to: {search_url}")
# 等待搜尋結果渲染
try:
await page.wait_for_selector("li.b_algo", timeout=10000)
except Exception:
await page.wait_for_timeout(3000)
# 截圖
with open("screenshot.png", "wb") as f:
f.write(await page.screenshot(full_page=True))
print("Screenshot saved: screenshot.png")
# 提取搜尋結果
results = await page.evaluate("""() => {
const items = document.querySelectorAll('li.b_algo h2 a');
return Array.from(items).slice(0, 5).map(a => ({
title: a.textContent || '',
url: a.href || ''
}));
}""")
await browser.close()
return results
if __name__ == "__main__":
results = asyncio.run(search_with_playwright("Python latest release"))
for i, r in enumerate(results, 1):
print(f" {i}. {r['title']} — {r['url']}") 方式二:MCP
用戶端需安裝 MCP:
pip install mcp 通過 MCP 協議調用語義化瀏覽器工具,無需直接管理頁面對象:
import asyncio
import os
import time
from urllib.parse import quote_plus
import httpx
from e2b import Sandbox
from mcp.client.session import ClientSession
from mcp.client.streamable_http import streamable_http_client
os.environ["E2B_DOMAIN"] = "<YOUR-DOMAIN>"
os.environ["E2B_API_KEY"] = "<YOUR-API-KEY>"
MCP_PORT = 50005
sandbox = Sandbox.create(template="browser", timeout=300000)
print(f"Waiting for sandbox {sandbox.sandbox_id} to be ready...")
for _ in range(30):
try:
if sandbox.is_running():
print("Sandbox is ready.")
break
except Exception:
pass
time.sleep(2)
def _auth_headers():
return {
"X-Access-Token": sandbox._envd_access_token,
"E2b-Sandbox-Id": sandbox.sandbox_id,
}
def get_mcp_url():
return f"https://{sandbox.get_host(MCP_PORT)}/mcp"
async def search_with_mcp(query: str):
mcp_url = get_mcp_url()
print(f"MCP URL: {mcp_url}")
client = httpx.AsyncClient(headers=_auth_headers(), verify=False)
async with client:
async with streamable_http_client(mcp_url, http_client=client) as (
read_stream, write_stream, _,
):
async with ClientSession(read_stream, write_stream) as session:
await session.initialize()
print("MCP session initialized")
# 導航
search_url = f"https://www.bing.com/search?q={quote_plus(query)}"
await session.call_tool("browser_navigate", {"url": search_url})
print(f"Navigated to: {search_url}")
# 等待頁面載入
await session.call_tool("browser_wait_for", {"time": 2})
# 擷取頁面快照
snap = await session.call_tool("browser_snapshot", {})
result_text = " ".join(
getattr(item, "text", "") for item in snap.content
)
return result_text
if __name__ == "__main__":
text = asyncio.run(search_with_mcp("Python latest release"))
print(f"Result:\n{text}")
desktop
desktop 公用模板中預先安裝了 Ubuntu 22.04 系統,可使用 e2b_desktop SDK 在執行個體環境中執行自動化 UI 操作。
pip install e2b_desktop import os
import time
from e2b_desktop import Sandbox
os.environ["E2B_DOMAIN"] = "<YOUR-DOMAIN>"
os.environ["E2B_API_KEY"] = "<YOUR-API-KEY>"
create_kwargs = {
"timeout": 3600,
"resolution": (1920, 1080),
"dpi": 96,
"template": "desktop",
}
desktop = Sandbox.create(
**create_kwargs,
headers={"X-Sandbox-Create-Timeout": "100"},
)
print(f"Waiting for sandbox {desktop.sandbox_id} to be ready...")
for _ in range(30):
try:
if desktop.is_running():
print("Sandbox is ready.")
break
except Exception:
pass
time.sleep(2)
# UI 操作
print("Moving mouse to (100, 100)...")
desktop.move_mouse(100, 100)
time.sleep(0.5)
print("Left clicking...")
desktop.left_click()
time.sleep(0.5)
print("Typing 'Hello'...")
desktop.write("Hello")
time.sleep(0.5)
print("Pressing Enter...")
desktop.press("enter")
time.sleep(0.5)
print("Opening browser to example.com...")
desktop.open("https://example.com")
time.sleep(2)
# 截圖並下載
print("Taking screenshot...")
screenshot = desktop.screenshot("bytes")
if screenshot:
screenshot_path = "/tmp/desktop_screenshot.png"
with open(screenshot_path, "wb") as f:
f.write(screenshot)
print(f"Screenshot saved to {screenshot_path}")
else:
print("Screenshot returned empty")
在所建立的 Sandbox 詳情頁面,單擊開啟VNC,可遠端連線到 Sandbox 圖形介面。
claude-code
claude-code 公用模板中預先安裝了 claude-code,基於該模板建立執行個體並提供 ANTHROPIC 相關環境變數,即可在安全隔離的環境中使用 claude-code 執行編碼任務。
import os
import time
from e2b import Sandbox
os.environ["E2B_DOMAIN"] = "<YOUR-DOMAIN>"
os.environ["E2B_API_KEY"] = "<YOUR-API-KEY>"
sandbox = Sandbox.create(
template="claude-code",
timeout=300000,
envs={
"ANTHROPIC_AUTH_TOKEN": "<YOUR-TOKEN>",
"ANTHROPIC_BASE_URL": "<YOUR-BASE-URL>",
"ANTHROPIC_MODEL": "<YOUR-MODEL>",
},
)
print(f"Waiting for sandbox {sandbox.sandbox_id} to be ready...")
for _ in range(30):
try:
if sandbox.is_running():
print("Sandbox is ready.")
break
except Exception:
pass
time.sleep(2)
result = sandbox.commands.run(
'claude -p "使用 python 寫一個計算斐波那契數的程式"',
)
print(result.stdout) opencode
opencode 公用模板中預先安裝了 opencode,並啟動了 opencode server(連接埠為 4096)。
opencode 設定檔 /root/.config/opencode/opencode.json 中已預置阿里雲百鍊的 Token Plan、Coding Plan 和隨用隨付模式下的模型配置。建立執行個體時通過 BAILIAN-TOKEN-PLAN-KEY、BAILIAN-CODING-PLAN-KEY 或者 BAILIAN-API-KEY 環境變數提供 Key,即可使用 E2B SDK 或通過 HTTP 要求在執行個體環境中使用 opencode 執行編碼任務。
import os
import time
import requests
from e2b import Sandbox
os.environ["E2B_DOMAIN"] = "<YOUR-DOMAIN>"
os.environ["E2B_API_KEY"] = "<YOUR-API-KEY>"
OPENCODE_SERVER_PORT = 4096
sandbox = Sandbox.create(
template="opencode",
timeout=300000,
envs={"BAILIAN-API-KEY": os.getenv("BAILIAN-API-KEY")},
)
print(f"Waiting for sandbox {sandbox.sandbox_id} to be ready...")
for _ in range(30):
try:
if sandbox.is_running():
print("Sandbox is ready.")
break
except Exception:
pass
time.sleep(2)
# 通過 e2b SDK 調用 opencode CLI
result = sandbox.commands.run(
'opencode run --model=bailian-payg/qwen3.7-max "使用 python 寫一個計算斐波那契數的程式"',
timeout=120,
)
print(result.stdout)
# 通過 opencode server API 呼叫
BASE_URL = f"https://{sandbox.get_host(4096)}"
H = {"X-Access-Token": getattr(sandbox, '_SandboxBase__envd_access_token', None)}
# 設定 API key(opencode server 不會自動解析 {env:...} 模板)
api_key = sandbox.commands.run("printenv BAILIAN-API-KEY").stdout.strip()
requests.patch(f"{BASE_URL}/global/config", headers=H, json={
"provider": {"bailian-payg": {"options": {
"apiKey": api_key,
"baseURL": "https://dashscope.aliyuncs.com/apps/anthropic/v1",
}}}
})
# 建立會話(指定模型)
session = requests.post(f"{BASE_URL}/session", headers=H, json={
"model": {"id": "qwen3.7-max", "providerID": "bailian-payg"},
}).json()
session_id = session["id"]
print(f"Session: {session_id}")
# 發送編碼任務(同步等待完整響應)
resp = requests.post(f"{BASE_URL}/session/{session_id}/message", headers=H, json={
"parts": [{"type": "text", "text": "用 python 寫一個斐波那契程式,儲存到 /workspace/fibonacci.py 並運行驗證"}]
}, timeout=300).json()
# 列印 assistant 回複
for part in resp.get("parts", []):
if part["type"] == "text":
print(part["text"])
elif part["type"] == "tool":
print(f" [tool: {part.get('name')}]")
# 驗證產生的檔案
print("\n--- fibonacci.py ---")
print(sandbox.commands.run("cat /workspace/fibonacci.py").stdout)
print("--- run ---")
print(sandbox.commands.run("python3 /workspace/fibonacci.py", timeout=30).stdout)
openclaw
openclaw 公用模板中預先安裝了 openclaw服務。參考如下代碼擷取URL登入到執行個體中的openclaw服務。
from e2b import Sandbox
import os
import time, httpx
from urllib.parse import urlparse, parse_qs
os.environ["E2B_DOMAIN"] = "<YOUR-DOMAIN>"
os.environ["E2B_API_KEY"] = "<YOUR-API-KEY>"
OPENCLAW_GATEWAY_PORT = 18789
def get_gateway_token(sandbox_id, api_key, domain):
"""Get gateway authentication token via API"""
url = f"https://api.{domain}/sandboxes/{sandbox_id}"
headers = {
"X-API-KEY": api_key,
"X-Generate-Dashboard-Url": "true",
}
resp = httpx.get(url, headers=headers, timeout=10)
if resp.status_code != 200:
return None
data = resp.json()
dashboard_url = None
if "metadata" in data and isinstance(data["metadata"], dict):
meta = data["metadata"]
dashboard_url = meta.get("sandbox.alicloud.com/dashboard-url") or meta.get("dashboard_url")
if not dashboard_url:
dashboard_url = data.get("dashboard_url")
if dashboard_url:
parsed = urlparse(dashboard_url)
qs = parse_qs(parsed.query)
return qs.get("token", [None])[0]
return None
sandbox = Sandbox.create(
template="openclaw",
timeout=300000,
)
print(f"Waiting for sandbox {sandbox.sandbox_id} to be ready...")
for _ in range(30):
try:
if sandbox.is_running():
print("Sandbox is ready.")
break
except Exception:
pass
time.sleep(2)
gateway_token = get_gateway_token(
sandbox.sandbox_id, os.environ["E2B_API_KEY"], os.environ["E2B_DOMAIN"]
)
url = f"https://{sandbox.get_host(OPENCLAW_GATEWAY_PORT)}?token={gateway_token}"
print(f" Sandbox Access URL: {url}")qwenpaw
qwenpaw 公用模板預裝並啟動了 qwenpaw 服務。參考如下代碼擷取URL登入到執行個體中的qwenpaw服務。
import os
import time
from urllib.parse import urlparse, parse_qs
import httpx
from e2b import Sandbox
os.environ["E2B_DOMAIN"] = "<YOUR-DOMAIN>"
os.environ["E2B_API_KEY"] = "<YOUR-API-KEY>"
QWENPAW_PORT = 8088
def get_gateway_token(sandbox_id, api_key, domain):
"""通過 API 擷取網關認證 Token"""
url = f"https://api.{domain}/sandboxes/{sandbox_id}"
headers = {
"X-API-KEY": api_key,
"X-Generate-Dashboard-Url": "true",
}
resp = httpx.get(url, headers=headers, timeout=10)
if resp.status_code != 200:
return None
data = resp.json()
dashboard_url = None
if "metadata" in data and isinstance(data["metadata"], dict):
meta = data["metadata"]
dashboard_url = meta.get("sandbox.alicloud.com/dashboard-url") or meta.get("dashboard_url")
if not dashboard_url:
dashboard_url = data.get("dashboard_url")
if dashboard_url:
parsed = urlparse(dashboard_url)
qs = parse_qs(parsed.query)
return qs.get("token", [None])[0]
return None
sandbox = Sandbox.create(
template="qwenpaw",
timeout=300000,
)
# 等待執行個體就緒
print(f"Waiting for sandbox {sandbox.sandbox_id} to be ready...")
for _ in range(30):
try:
if sandbox.is_running():
print("Sandbox is ready.")
break
except Exception:
pass
time.sleep(2)
gateway_token = get_gateway_token(
sandbox.sandbox_id, os.environ["E2B_API_KEY"], os.environ["E2B_DOMAIN"]
)
url = f"https://{sandbox.get_host(QWENPAW_PORT)}?token={gateway_token}"
print(f"Sandbox Access URL: {url}")