feat: integrated with sandbox

This commit is contained in:
Henry Li
2026-01-14 12:32:34 +08:00
parent c1e9340062
commit de2d18561a
8 changed files with 103 additions and 34 deletions

View File

@@ -1,10 +1,28 @@
from langchain.tools import tool
from langchain.tools import ToolRuntime, tool
from langgraph.typing import ContextT
from src.agents.thread_state import ThreadState
from src.sandbox.sandbox import Sandbox
from src.sandbox.sandbox_provider import get_sandbox_provider
def sandbox_from_runtime(runtime: ToolRuntime[ContextT, ThreadState] | None = None) -> Sandbox:
if runtime is None:
raise ValueError("No sandbox found: No runtime found")
sandbox_state = runtime.state.get("sandbox")
if sandbox_state is None:
raise ValueError("No sandbox found: No sandbox state found in runtime")
sandbox_id = sandbox_state.get("sandbox_id")
if sandbox_id is None:
raise ValueError("No sandbox ID found: No sandbox ID found in sandbox state")
sandbox = get_sandbox_provider().get(sandbox_id)
if sandbox is None:
raise ValueError(f"No sandbox found: sandbox with ID {sandbox_id} not found")
return sandbox
@tool("bash", parse_docstring=True)
def bash_tool(description: str, command: str) -> str:
def bash_tool(runtime: ToolRuntime[ContextT, ThreadState], description: str, command: str) -> str:
"""Execute a bash command in a Linux environment.
@@ -12,29 +30,26 @@ def bash_tool(description: str, command: str) -> str:
- Use `pip install` to install Python packages.
Args:
description: Explain why you are running this command in short words.
description: Explain why you are running this command in short words. ALWAYS PROVIDE THIS PARAMETER FIRST.
command: The bash command to execute. Always use absolute paths for files and directories.
"""
# TODO: get sandbox ID from LangGraph's context
sandbox_id = "local"
sandbox = get_sandbox_provider().get(sandbox_id)
try:
sandbox = sandbox_from_runtime(runtime)
return sandbox.execute_command(command)
except Exception as e:
return f"Error: {e}"
@tool("ls", parse_docstring=True)
def ls_tool(description: str, path: str) -> str:
def ls_tool(runtime: ToolRuntime[ContextT, ThreadState], description: str, path: str) -> str:
"""List the contents of a directory up to 2 levels deep in tree format.
Args:
description: Explain why you are listing this directory in short words.
description: Explain why you are listing this directory in short words. ALWAYS PROVIDE THIS PARAMETER FIRST.
path: The **absolute** path to the directory to list.
"""
try:
# TODO: get sandbox ID from LangGraph's context
sandbox = get_sandbox_provider().get("local")
sandbox = sandbox_from_runtime(runtime)
children = sandbox.list_dir(path)
if not children:
return "(empty)"
@@ -45,6 +60,7 @@ def ls_tool(description: str, path: str) -> str:
@tool("read_file", parse_docstring=True)
def read_file_tool(
runtime: ToolRuntime[ContextT, ThreadState],
description: str,
path: str,
view_range: tuple[int, int] | None = None,
@@ -52,13 +68,12 @@ def read_file_tool(
"""Read the contents of a text file.
Args:
description: Explain why you are viewing this file in short words.
description: Explain why you are viewing this file in short words. ALWAYS PROVIDE THIS PARAMETER FIRST.
path: The **absolute** path to the file to read.
view_range: The range of lines to view. The range is inclusive and starts at 1. For example, (1, 10) will view the first 10 lines of the file.
"""
try:
# TODO: get sandbox ID from LangGraph's context
sandbox = get_sandbox_provider().get("local")
sandbox = sandbox_from_runtime(runtime)
content = sandbox.read_file(path)
if not content:
return "(empty)"
@@ -72,6 +87,7 @@ def read_file_tool(
@tool("write_file", parse_docstring=True)
def write_file_tool(
runtime: ToolRuntime[ContextT, ThreadState],
description: str,
path: str,
content: str,
@@ -80,13 +96,12 @@ def write_file_tool(
"""Write text content to a file.
Args:
description: Explain why you are writing to this file in short words.
path: The **absolute** path to the file to write to.
content: The content to write to the file.
description: Explain why you are writing to this file in short words. ALWAYS PROVIDE THIS PARAMETER FIRST.
path: The **absolute** path to the file to write to. ALWAYS PROVIDE THIS PARAMETER SECOND.
content: The content to write to the file. ALWAYS PROVIDE THIS PARAMETER THIRD.
"""
try:
# TODO: get sandbox ID from LangGraph's context
sandbox = get_sandbox_provider().get("local")
sandbox = sandbox_from_runtime(runtime)
sandbox.write_file(path, content, append)
return "OK"
except Exception as e:
@@ -95,6 +110,7 @@ def write_file_tool(
@tool("str_replace", parse_docstring=True)
def str_replace_tool(
runtime: ToolRuntime[ContextT, ThreadState],
description: str,
path: str,
old_str: str,
@@ -105,15 +121,14 @@ def str_replace_tool(
If `replace_all` is False (default), the substring to replace must appear **exactly once** in the file.
Args:
description: Explain why you are replacing the substring in short words.
path: The **absolute** path to the file to replace the substring in.
old_str: The substring to replace.
new_str: The new substring.
description: Explain why you are replacing the substring in short words. ALWAYS PROVIDE THIS PARAMETER FIRST.
path: The **absolute** path to the file to replace the substring in. ALWAYS PROVIDE THIS PARAMETER SECOND.
old_str: The substring to replace. ALWAYS PROVIDE THIS PARAMETER THIRD.
new_str: The new substring. ALWAYS PROVIDE THIS PARAMETER FOURTH.
replace_all: Whether to replace all occurrences of the substring. If False, only the first occurrence will be replaced. Default is False.
"""
try:
# TODO: get sandbox ID from LangGraph's context
sandbox = get_sandbox_provider().get("local")
sandbox = sandbox_from_runtime(runtime)
content = sandbox.read_file(path)
if not content:
return "OK"