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This commit is contained in:
Jack Robison 2020-03-19 13:24:25 -04:00
parent 923cfa3d50
commit 95a9a76598
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1 changed files with 7 additions and 3 deletions
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10
lbry/wallet/database.py
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@ -2,6 +2,7 @@ import os
import logging
import asyncio
import sqlite3
import platform
from binascii import hexlify
from dataclasses import dataclass
from contextvars import ContextVar
@ -51,11 +52,14 @@ def run_read_only_fetchone(sql, params):
raise
READER_EXECUTOR_CLASS = ThreadPoolExecutor if 'ANDROID_ARGUMENT' in os.environ else ProcessPoolExecutor
if platform.system() == 'Windows' or 'ANDROID_ARGUMENT' in os.environ:
ReaderExecutorClass = ThreadPoolExecutor
else:
ReaderExecutorClass = ProcessPoolExecutor
class AIOSQLite:
reader_executor: READER_EXECUTOR_CLASS
reader_executor: ReaderExecutorClass
def __init__(self):
# has to be single threaded as there is no mapping of thread:connection
@ -76,7 +80,7 @@ class AIOSQLite:
db.writer_connection = sqlite3.connect(path, *args, **kwargs)
readers = max(os.cpu_count() - 2, 2)
db.reader_executor = READER_EXECUTOR_CLASS(
db.reader_executor = ReaderExecutorClass(
max_workers=readers, initializer=initializer, initargs=(path, )
)
await asyncio.get_event_loop().run_in_executor(db.writer_executor, _connect_writer)