feat(sandbox): add Python 3 code execution sandbox support

sandbox/app/controllers/sandbox_controller.py

@@ -0,0 +1,59 @@
+"""Sandbox API endpoints"""
+from fastapi import APIRouter, Depends
+
+from app.middleware.auth import verify_api_key
+from app.middleware.concurrency import check_max_requests, acquire_worker
+from app.models import (
+    RunCodeRequest,
+    ApiResponse,
+    UpdateDependencyRequest,
+    error_response
+)
+from app.services.python_service import (
+    run_python_code,
+    list_python_dependencies,
+    update_python_dependencies
+)
+
+router = APIRouter(
+    prefix="/v1/sandbox",
+    tags=["sandbox"],
+    dependencies=[Depends(verify_api_key)]
+)
+
+
+@router.post(
+    "/run",
+    response_model=ApiResponse,
+    dependencies=[Depends(check_max_requests),
+                  Depends(acquire_worker)]
+)
+async def run_code(request: RunCodeRequest):
+    """Execute code in sandbox"""
+    if request.language == "python3":
+        return await run_python_code(request.code, request.preload, request.options)
+    elif request.language == "nodejs":
+        # TODO
+        return error_response(-400, "TODO")
+    else:
+        return error_response(-400, "unsupported language")
+
+
+@router.get("/dependencies", response_model=ApiResponse)
+async def get_dependencies(language: str):
+    """Get installed dependencies"""
+    if language == "python3":
+        return await list_python_dependencies()
+    else:
+        return error_response(-400, "unsupported language")
+
+
+@router.post("/dependencies/update", response_model=ApiResponse)
+async def update_dependencies(request: UpdateDependencyRequest):
+    """Update dependencies"""
+    if request.language == "python3":
+        return await update_python_dependencies()
+    else:
+        return error_response(-400, "unsupported language")
+
+