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Code Issues Releases Wiki Activity

Thread lock when using channel data cache

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Cadence Ember 2020-09-06 00:31:17 +12:00
parent 52b3ae07b1
commit e18efc9591
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GPG Key ID: 128B99B1B74A6412
1 changed files with 13 additions and 6 deletions
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7
extractors/channel.py
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@ -3,12 +3,16 @@ import requests
import xml.etree.ElementTree as ET
from tools.converters import *
from tools.extractors import extract_yt_initial_data
from threading import Lock
from cachetools import TTLCache
channel_cache = TTLCache(maxsize=50, ttl=300)
channel_cache_lock = Lock()
channel_latest_cache = TTLCache(maxsize=500, ttl=300)
channel_latest_cache_lock = Lock()
def extract_channel(ucid):
with channel_cache_lock:
if ucid in channel_cache:
return channel_cache[ucid]
@ -96,6 +100,7 @@ def extract_channel(ucid):
"relatedChannels": []
}
with channel_cache_lock:
channel_cache[ucid] = channel
return channel
@ -108,6 +113,7 @@ def extract_channel_videos(ucid):
return channel["latestVideos"]
def extract_channel_latest(ucid):
with channel_latest_cache_lock:
if ucid in channel_latest_cache:
return channel_latest_cache[ucid]
@ -145,6 +151,7 @@ def extract_channel_latest(ucid):
"isUpcoming": None
})
with channel_latest_cache_lock:
channel_latest_cache[ucid] = results
return results