113 lines
3.7 KiB
Python
113 lines
3.7 KiB
Python
import sqlite3
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import time
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from inspect import currentframe
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from codes.common import clibs
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def db_init():
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if clibs.db_file.exists():
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return
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clibs.conn = sqlite3.connect(clibs.db_file, isolation_level=None, check_same_thread=False, cached_statements=2048, timeout=10.0)
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clibs.cursor = clibs.conn.cursor()
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clibs.cursor.execute("PRAGMA journal_mode=wal")
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clibs.cursor.execute("PRAGMA wal_checkpoint=TRUNCATE")
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clibs.cursor.execute("PRAGMA synchronous=normal")
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clibs.cursor.execute("PRAGMA temp_store=memory")
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clibs.cursor.execute("PRAGMA mmap_size=30000000000")
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clibs.cursor.execute("PRAGMA cache_size=200000")
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clibs.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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clibs.cursor.execute(
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"""
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create table if not exists users(
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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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username text not null unique,
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password text not null,
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salt text not null
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)
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"""
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)
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db_write_logs("数据库初始化成功！", "login_ui")
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db_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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clibs.lock.acquire(True)
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ret = func(*args, **kwargs)
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finally:
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clibs.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_backup = clibs.base_path / f"assets/database/toolbox.{t}.db"
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db_file_backup.write_bytes(clibs.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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for db in sorted(db_list)[:-clibs.config["maximum_db_number"]]:
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db.unlink()
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def db_conn():
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clibs.conn = sqlite3.connect(clibs.db_file, isolation_level=None, check_same_thread=False, cached_statements=2048, timeout=3.0)
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clibs.cursor = clibs.conn.cursor()
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clibs.cursor.execute("PRAGMA journal_mode=wal")
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clibs.cursor.execute("PRAGMA wal_checkpoint=TRUNCATE")
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clibs.cursor.execute("PRAGMA synchronous=normal")
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clibs.cursor.execute("PRAGMA temp_store=memory")
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clibs.cursor.execute("PRAGMA mmap_size=30000000000")
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clibs.cursor.execute("PRAGMA cache_size=200000")
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@db_lock
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def db_close():
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if clibs.cursor is not None:
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clibs.cursor.close()
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if clibs.conn is not None:
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clibs.conn.close()
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clibs.conn, clibs.cursor = None, None
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@db_lock
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def db_write_logs(content, module="", level="info"):
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if module == "":
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frame = currentframe().f_back
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module_name = frame.f_globals["__name__"]
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line_no = frame.f_lineno
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module = f"{module_name}.{line_no}"
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if level.lower() not in ["info", "warning", "error", "exception"]:
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level = "unknown"
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clibs.cursor.execute(f"INSERT INTO logs (level, module, content) VALUES (?, ?, ?)", (level, module, content))
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@db_lock
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def db_query_logs():
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...
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@db_lock
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def db_write_users(username, password_encrypted, salt):
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clibs.cursor.execute("INSERT INTO users (username, password, salt) VALUES (?, ?, ?)", (username, password_encrypted, salt))
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@db_lock
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def db_delete_users(username):
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# clibs.cursor.execute("INSERT INTO users (username, password, salt) VALUES (?, ?, ?)", (username, password_encrypted, salt))
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...
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@db_lock
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def db_query_users(username):
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clibs.cursor.execute(f""" SELECT * FROM users where username = "{username}" """)
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record = clibs.cursor.fetchall()
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return record
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