Source code for mars.services.lifecycle.api.web
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#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
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from typing import Callable, Dict, List
from ....utils import serialize_serializable, deserialize_serializable
from ...web import web_api, MarsServiceWebAPIHandler, MarsWebAPIClientMixin
from .core import AbstractLifecycleAPI
class LifecycleWebAPIHandler(MarsServiceWebAPIHandler):
_root_pattern = "/api/session/(?P<session_id>[^/]+)/lifecycle"
async def _get_oscar_lifecycle_api(self, session_id: str):
from .oscar import LifecycleAPI
return await self._get_api_by_key(LifecycleAPI, session_id)
@web_api("", method="post", arg_filter={"action": "decref_tileables"})
async def decref_tileables(self, session_id: str):
tileable_keys = self.get_argument("tileable_keys").split(",")
counts = self.get_argument("counts", None)
if counts:
counts = [int(c) for c in counts.split(",")]
oscar_api = await self._get_oscar_lifecycle_api(session_id)
await oscar_api.decref_tileables(tileable_keys, counts=counts)
@web_api("", method="get", arg_filter={"action": "get_all_chunk_ref_counts"})
async def get_all_chunk_ref_counts(self, session_id: str):
oscar_api = await self._get_oscar_lifecycle_api(session_id)
res = await oscar_api.get_all_chunk_ref_counts()
self.write(serialize_serializable(res))
web_handlers = {LifecycleWebAPIHandler.get_root_pattern(): LifecycleWebAPIHandler}
[docs]class WebLifecycleAPI(AbstractLifecycleAPI, MarsWebAPIClientMixin):
[docs] def __init__(
self, session_id: str, address: str, request_rewriter: Callable = None
):
self._session_id = session_id
self._address = address.rstrip("/")
self.request_rewriter = request_rewriter
async def decref_tileables(
self, tileable_keys: List[str], counts: List[int] = None
):
path = f"{self._address}/api/session/{self._session_id}/lifecycle"
params = dict(action="decref_tileables")
counts = (
f"&counts={','.join(str(c) for c in counts)}" if counts is not None else ""
)
await self._request_url(
path=path,
method="POST",
params=params,
headers={"Content-Type": "application/x-www-form-urlencoded"},
data="tileable_keys=" + ",".join(tileable_keys) + counts,
)
async def get_all_chunk_ref_counts(self) -> Dict[str, int]:
params = dict(action="get_all_chunk_ref_counts")
path = f"{self._address}/api/session/{self._session_id}/lifecycle"
res = await self._request_url("GET", path, params=params)
return deserialize_serializable(res.body)