mirror of
https://github.com/openswarm-ai/openswarm.git
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215 lines
7.9 KiB
Python
215 lines
7.9 KiB
Python
"""App Builder SubApp — CRUD, workspace management, file serving, and execution."""
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import json
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import mimetypes
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import os
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from datetime import datetime
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from contextlib import asynccontextmanager
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from fastapi import HTTPException
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from fastapi.responses import Response
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from backend.config.Apps import SubApp
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from backend.core.db.PydanticStore import PydanticStore
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from backend.apps.app_builder.App import (
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App, AppCreate, AppUpdate, AppExecute, AppExecuteResult,
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WorkspaceSeedRequest,
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)
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from backend.config.paths import DB_ROOT
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from backend.apps.app_builder.executor import execute_backend_code
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from backend.apps.app_builder.templates.templates import APP_BUILDER_SKILL, APP_BUILDER_TEMPLATE_FILES
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from backend.apps.app_builder.helpers import walk_directory
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APP_BUILDER_DIR = os.path.join(DB_ROOT, "app_builder")
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APP_BUILDER_WORKSPACE_DIR = os.path.join(APP_BUILDER_DIR, "workspace")
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@asynccontextmanager
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async def app_builder_lifespan():
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os.makedirs(APP_BUILDER_DIR, exist_ok=True)
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os.makedirs(APP_BUILDER_WORKSPACE_DIR, exist_ok=True)
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yield
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app_builder = SubApp("app_builder", app_builder_lifespan)
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_store = PydanticStore[App](model_cls=App, data_dir=APP_BUILDER_DIR, not_found_detail="App not found")
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# ---------------------------------------------------------------------------
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# File serving
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# ---------------------------------------------------------------------------
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@app_builder.router.get("/workspace/{workspace_id}/serve/{filepath:path}")
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async def serve_workspace_file(workspace_id: str, filepath: str):
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folder = os.path.join(APP_BUILDER_WORKSPACE_DIR, workspace_id)
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full_path = os.path.normpath(os.path.join(folder, filepath))
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if not full_path.startswith(os.path.normpath(folder)):
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raise HTTPException(status_code=403, detail="Path traversal not allowed")
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if not os.path.isfile(full_path):
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raise HTTPException(status_code=404, detail="File not found")
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with open(full_path) as f:
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content = f.read()
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mime, _ = mimetypes.guess_type(filepath)
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return Response(content=content, media_type=mime or "text/plain")
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@app_builder.router.get("/{app_id}/serve/{filepath:path}")
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async def serve_app_file(app_id: str, filepath: str):
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app = _store.load(app_id)
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content = app.files.get(filepath)
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if content is None:
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raise HTTPException(status_code=404, detail="File not found in app")
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mime, _ = mimetypes.guess_type(filepath)
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return Response(content=content, media_type=mime or "text/plain")
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# ---------------------------------------------------------------------------
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# Workspace management
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# ---------------------------------------------------------------------------
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@app_builder.router.get("/workspace/{workspace_id}")
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async def read_workspace(workspace_id: str):
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folder = os.path.join(APP_BUILDER_WORKSPACE_DIR, workspace_id)
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if not os.path.isdir(folder):
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raise HTTPException(status_code=404, detail="Workspace not found")
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files = walk_directory(folder)
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meta = None
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if "meta.json" in files:
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try:
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meta = json.loads(files["meta.json"])
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except (json.JSONDecodeError, ValueError):
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pass
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return {"files": files, "meta": meta}
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@app_builder.router.post("/workspace/seed")
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async def seed_workspace(body: WorkspaceSeedRequest):
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folder = os.path.join(APP_BUILDER_WORKSPACE_DIR, body.workspace_id)
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os.makedirs(folder, exist_ok=True)
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if body.files:
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for rel_path, content in body.files.items():
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full_path = os.path.normpath(os.path.join(folder, rel_path))
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if not full_path.startswith(os.path.normpath(folder)):
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continue
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os.makedirs(os.path.dirname(full_path), exist_ok=True)
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with open(full_path, "w") as f:
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f.write(content)
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else:
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for rel_path, content in APP_BUILDER_TEMPLATE_FILES.items():
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full_path = os.path.join(folder, rel_path)
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with open(full_path, "w") as f:
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f.write(content)
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with open(os.path.join(folder, "SKILL.md"), "w") as f:
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f.write(APP_BUILDER_SKILL)
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if body.meta:
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with open(os.path.join(folder, "meta.json"), "w") as f:
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json.dump(body.meta, f, indent=2)
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return {"path": os.path.abspath(folder)}
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@app_builder.router.put("/workspace/{workspace_id}/file/{filepath:path}")
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async def write_workspace_file(workspace_id: str, filepath: str, body: dict):
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folder = os.path.join(APP_BUILDER_WORKSPACE_DIR, workspace_id)
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if not os.path.isdir(folder):
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raise HTTPException(status_code=404, detail="Workspace not found")
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full_path = os.path.normpath(os.path.join(folder, filepath))
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if not full_path.startswith(os.path.normpath(folder)):
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raise HTTPException(status_code=403, detail="Path traversal not allowed")
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os.makedirs(os.path.dirname(full_path), exist_ok=True)
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with open(full_path, "w") as f:
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f.write(body.get("content", ""))
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return {"ok": True}
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@app_builder.router.delete("/workspace/{workspace_id}/file/{filepath:path}")
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async def delete_workspace_file(workspace_id: str, filepath: str):
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folder = os.path.join(APP_BUILDER_WORKSPACE_DIR, workspace_id)
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if not os.path.isdir(folder):
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raise HTTPException(status_code=404, detail="Workspace not found")
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full_path = os.path.normpath(os.path.join(folder, filepath))
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if not full_path.startswith(os.path.normpath(folder)):
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raise HTTPException(status_code=403, detail="Path traversal not allowed")
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if os.path.isfile(full_path):
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os.remove(full_path)
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parent = os.path.dirname(full_path)
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while parent != os.path.normpath(folder):
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if os.path.isdir(parent) and not os.listdir(parent):
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os.rmdir(parent)
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parent = os.path.dirname(parent)
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else:
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break
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return {"ok": True}
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# ---------------------------------------------------------------------------
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# App CRUD
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# ---------------------------------------------------------------------------
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@app_builder.router.get("/list")
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async def list_apps():
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return {"apps": [o.model_dump() for o in _store.load_all()]}
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@app_builder.router.get("/{app_id}")
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async def get_app(app_id: str):
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return _store.load(app_id).model_dump()
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@app_builder.router.post("/create")
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async def create_app(body: AppCreate):
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now = datetime.now().isoformat()
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app = App(
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name=body.name, description=body.description, icon=body.icon,
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files=body.files, thumbnail=body.thumbnail,
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created_at=now, updated_at=now,
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)
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_store.save(app)
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return {"ok": True, "app": app.model_dump()}
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@app_builder.router.put("/{app_id}")
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async def update_app(app_id: str, body: AppUpdate):
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app = _store.load(app_id)
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for k, v in body.model_dump(exclude_none=True).items():
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setattr(app, k, v)
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app.updated_at = datetime.now().isoformat()
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_store.save(app)
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return {"ok": True, "app": app.model_dump()}
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@app_builder.router.delete("/{app_id}")
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async def delete_app(app_id: str):
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_store.load(app_id)
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_store.delete(app_id)
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return {"ok": True}
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# ---------------------------------------------------------------------------
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# Execution
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# ---------------------------------------------------------------------------
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@app_builder.router.post("/execute")
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async def execute_app(body: AppExecute):
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app = _store.load(body.app_id)
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backend_code = app.files.get("backend.py")
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backend_result = None
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stdout_text = None
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stderr_text = None
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error = None
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if backend_code:
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try:
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exec_result = await execute_backend_code(backend_code)
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backend_result = exec_result.result
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stdout_text = exec_result.stdout
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stderr_text = exec_result.stderr
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except Exception as e:
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error = str(e)
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return AppExecuteResult(
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app_id=app.id, app_name=app.name,
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frontend_code=app.files.get("index.html", ""),
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backend_result=backend_result, stdout=stdout_text,
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stderr=stderr_text, error=error,
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).model_dump()
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