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Merge pull request #5354 from FinnStutzenstein/fixUnnenessaryBrokenLock 

Fix unnecessary and unfunctional lock for production usage with gunicorn
This commit is contained in:
Emanuel Schütze 2020-05-06 17:29:28 +02:00 committed by GitHub
parent 1e2395c1e6 2910701422
commit 5aa895bda2
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 20 deletions
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30
openslides/core/config.py
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@ -1,4 +1,3 @@
import asyncio
from typing import Any, Callable, Dict, Iterable, Optional, TypeVar, Union, cast
from asgiref.sync import async_to_sync
@ -28,8 +27,6 @@ INPUT_TYPE_MAPPING = {
ALLOWED_NONE = ("datetimepicker",)
build_key_to_id_lock = asyncio.Lock()
class ConfigHandler:
"""
@ -77,25 +74,18 @@ class ConfigHandler:
async def build_key_to_id(self) -> None:
"""
Build the key_to_id dict.
Recreates it, if it does not exists.
This uses the element_cache. It expects, that the config values are in the database
before this is called.
Build the key_to_id dict, if it does not exists.
"""
async with build_key_to_id_lock:
# Another worker could have build the key_to_id_dict, check and return early
if self.key_to_id is not None:
return
if self.key_to_id is not None:
return
config_full_data = await element_cache.get_collection_data(
self.get_collection_string()
)
elements = config_full_data.values()
self.key_to_id = {}
for element in elements:
self.key_to_id[element["key"]] = element["id"]
config_full_data = await element_cache.get_collection_data(
self.get_collection_string()
)
elements = config_full_data.values()
self.key_to_id = {}
for element in elements:
self.key_to_id[element["key"]] = element["id"]
def exists(self, key: str) -> bool:
"""