42 lines
1.0 KiB
Python
42 lines
1.0 KiB
Python
|
|
import asyncio
|
|
from base.orm import local_session
|
|
from orm.shout import ShoutAuthor
|
|
|
|
|
|
class ShoutAuthorStorage:
|
|
authors_by_shout = {}
|
|
lock = asyncio.Lock()
|
|
period = 30*60 #sec
|
|
|
|
@staticmethod
|
|
async def load(session):
|
|
self = ShoutAuthorStorage
|
|
authors = session.query(ShoutAuthor).all()
|
|
for author in authors:
|
|
user = author.user
|
|
shout = author.shout
|
|
if shout in self.authors_by_shout:
|
|
self.authors_by_shout[shout].append(user)
|
|
else:
|
|
self.authors_by_shout[shout] = [user]
|
|
print('[zine.authors] %d shouts preprocessed' % len(self.authors_by_shout))
|
|
|
|
@staticmethod
|
|
async def get_authors(shout):
|
|
self = ShoutAuthorStorage
|
|
async with self.lock:
|
|
return self.authors_by_shout.get(shout, [])
|
|
|
|
@staticmethod
|
|
async def worker():
|
|
self = ShoutAuthorStorage
|
|
while True:
|
|
try:
|
|
with local_session() as session:
|
|
async with self.lock:
|
|
await self.load(session)
|
|
print("[zine.authors] state updated")
|
|
except Exception as err:
|
|
print("[zine.authors] errror: %s" % (err))
|
|
await asyncio.sleep(self.period) |