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import asyncio
import multiprocessing
import time
import typing
from hat import aio
from hat import json
from hatter import common
import hatter.backend
async def create(conf: json.Data,
backend: hatter.backend.Backend
) -> 'Server':
server = Server()
server._conf = conf
server._backend = backend
server._async_group = aio.Group()
server._lock = asyncio.Lock()
server._run_queue = aio.Queue()
server._sync_events = {}
for repo, repo_conf in conf['repos'].items():
sync_event = asyncio.Event()
server._sync_events[repo] = sync_event
server.async_group.spawn(server._sync_loop, repo_conf, sync_event)
for _ in range(multiprocessing.cpu_count()):
server.async_group.spawn(server._run_loop)
try:
commits = await backend.get_commits(repo=None,
statuses={common.Status.PENDING,
common.Status.RUNNING},
order=common.Order.ASC)
for commit in commits:
commit = commit._replace(change=time.time(),
status=common.Status.PENDING,
output='')
await backend.update_commit(commit)
server._run_queue.put_nowait(commit)
except BaseException:
await aio.uncancellable(server.async_close())
raise
return server
class Server(aio.Resource):
@property
def async_group(self):
return self._async_group
def get_repos(self) -> typing.Iterable[str]:
return self._conf['repos'].keys()
async def get_commits(self,
repo: typing.Optional[str],
) -> typing.Iterable[common.Commit]:
if repo and repo not in self._conf['repos']:
raise ValueError(f'invalid repo {repo}')
commits = await self._backend.get_commits(repo=repo,
statuses=None,
order=common.Order.DESC)
return commits
async def get_commit(self,
repo: str,
commit_hash: str
) -> common.Commit:
if repo not in self._conf['repos']:
raise ValueError(f'invalid repo {repo}')
async with self._lock:
commit = await self._backend.get_commit(repo, commit_hash)
if not commit:
commit = common.Commit(repo=repo,
hash=commit_hash,
change=time.time(),
status=common.Status.PENDING,
output='')
await self._backend.update_commit(commit)
self._run_queue.put_nowait(commit)
return commit
def sync_repo(self, repo: str):
self._sync_events[repo].set()
async def rerun_commit(self,
repo: str,
commit_hash: str):
if repo not in self._conf['repos']:
raise ValueError(f'invalid repo {repo}')
async with self._lock:
commit = await self._backend.get_commit(repo, commit_hash)
if not commit:
raise ValueError(f'invalid commit {commit_hash}')
commit = commit._replace(change=time.time(),
status=common.Status.PENDING,
output='')
await self._backend.update_commit(commit)
self._run_queue.put_nowait(commit)
async def remove_commit(self,
repo: str,
commit_hash: str):
if repo not in self._conf['repos']:
raise ValueError(f'invalid repo {repo}')
async with self._lock:
commit = await self._backend.get_commit(repo, commit_hash)
if not commit:
raise ValueError(f'invalid commit {commit_hash}')
await self._backend.remove_commit(commit)
async def _sync_loop(self, repo_conf, sync_event):
pass
async def _run_loop(self):
pass
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