64 lines
2.2 KiB
Python
64 lines
2.2 KiB
Python
import sqlite3
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from threading import Lock
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import time
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from codes.common import clibs
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def db_init(db_file):
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conn = sqlite3.connect(db_file, isolation_level=None, check_same_thread=False, cached_statements=2048, timeout=10.0)
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cursor = conn.cursor()
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cursor.execute("PRAGMA journal_mode=wal")
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cursor.execute("PRAGMA wal_checkpoint=TRUNCATE")
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cursor.execute("PRAGMA synchronous=normal")
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cursor.execute("PRAGMA temp_store=memory")
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cursor.execute("PRAGMA mmap_size=30000000000")
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cursor.execute("PRAGMA cache_size=200000")
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cursor.execute(
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"""
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create table if not exists logs(
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id integer primary key autoincrement,
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timestamp DATETIME DEFAULT(STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW', 'localtime')),
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level text,
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module text,
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content text
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)
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"""
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)
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cursor.close()
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conn.close()
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def db_lock(func):
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def wrapper(*args, **kwargs):
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try:
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Lock().acquire(True)
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ret = func(*args, **kwargs)
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finally:
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Lock().release()
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return ret
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return wrapper
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def db_backup():
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t = time.strftime("%Y%m%d%H%M%S", time.localtime())
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db_file = clibs.base_path / "assets/database/toolbox.db"
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db_file_backup = clibs.base_path / f"assets/database/toolbox.{t}.db"
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if not (db_file.exists() and db_file.is_file()):
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db_init(db_file)
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else:
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db_file_backup.write_bytes(db_file.read_bytes())
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db_dir = clibs.base_path / "assets/database"
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db_list = [db for db in db_dir.glob("*.db")]
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print(f"db_list: {sorted(db_list)}")
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for db in sorted(db_list)[:-clibs.max_db_number]:
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db.unlink()
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def db_conn():
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db_file = clibs.base_path / "assets/database/toolbox.db"
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conn = sqlite3.connect(db_file, isolation_level=None, check_same_thread=False, cached_statements=2048, timeout=10.0)
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cursor = conn.cursor()
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cursor.execute("PRAGMA journal_mode=wal")
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cursor.execute("PRAGMA wal_checkpoint=TRUNCATE")
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cursor.execute("PRAGMA synchronous=normal")
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cursor.execute("PRAGMA temp_store=memory")
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cursor.execute("PRAGMA mmap_size=30000000000")
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cursor.execute("PRAGMA cache_size=200000")
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return conn, cursor |