Add personal license agreement and rename product section to tradable symbols.
Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
+49
-44
@@ -1,44 +1,49 @@
|
||||
"""SQLite 连接统一配置(WAL + busy_timeout,降低并发锁冲突)。"""
|
||||
from __future__ import annotations
|
||||
|
||||
import os
|
||||
import sqlite3
|
||||
import time
|
||||
|
||||
DB_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)), "futures.db")
|
||||
|
||||
|
||||
def connect_db(path: str | None = None) -> sqlite3.Connection:
|
||||
db_path = path or DB_PATH
|
||||
conn = sqlite3.connect(db_path, timeout=30, check_same_thread=False)
|
||||
conn.row_factory = sqlite3.Row
|
||||
conn.execute("PRAGMA busy_timeout=30000")
|
||||
try:
|
||||
conn.execute("PRAGMA journal_mode=WAL")
|
||||
except sqlite3.OperationalError:
|
||||
pass
|
||||
return conn
|
||||
|
||||
|
||||
def execute_retry(
|
||||
conn: sqlite3.Connection,
|
||||
sql: str,
|
||||
params: tuple = (),
|
||||
*,
|
||||
retries: int = 6,
|
||||
base_delay: float = 0.05,
|
||||
) -> sqlite3.Cursor:
|
||||
"""遇 database is locked 时短暂退避重试。"""
|
||||
last_exc: Exception | None = None
|
||||
for attempt in range(retries):
|
||||
try:
|
||||
return conn.execute(sql, params)
|
||||
except sqlite3.OperationalError as exc:
|
||||
if "locked" not in str(exc).lower():
|
||||
raise
|
||||
last_exc = exc
|
||||
if attempt < retries - 1:
|
||||
time.sleep(base_delay * (attempt + 1))
|
||||
if last_exc:
|
||||
raise last_exc
|
||||
raise sqlite3.OperationalError("database is locked")
|
||||
# Copyright (c) 2025-2026 马建军. All rights reserved.
|
||||
# 专有软件 — 未经授权禁止复制、传播、转售。
|
||||
# 严禁用于:带单/代客理财、向他人推荐期货品种或买卖建议、融资配资等业务。
|
||||
# 详见 LICENSE.zh-CN.txt 与 docs/软件购买与使用协议.md
|
||||
|
||||
"""SQLite 连接统一配置(WAL + busy_timeout,降低并发锁冲突)。"""
|
||||
from __future__ import annotations
|
||||
|
||||
import os
|
||||
import sqlite3
|
||||
import time
|
||||
|
||||
DB_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)), "futures.db")
|
||||
|
||||
|
||||
def connect_db(path: str | None = None) -> sqlite3.Connection:
|
||||
db_path = path or DB_PATH
|
||||
conn = sqlite3.connect(db_path, timeout=30, check_same_thread=False)
|
||||
conn.row_factory = sqlite3.Row
|
||||
conn.execute("PRAGMA busy_timeout=30000")
|
||||
try:
|
||||
conn.execute("PRAGMA journal_mode=WAL")
|
||||
except sqlite3.OperationalError:
|
||||
pass
|
||||
return conn
|
||||
|
||||
|
||||
def execute_retry(
|
||||
conn: sqlite3.Connection,
|
||||
sql: str,
|
||||
params: tuple = (),
|
||||
*,
|
||||
retries: int = 6,
|
||||
base_delay: float = 0.05,
|
||||
) -> sqlite3.Cursor:
|
||||
"""遇 database is locked 时短暂退避重试。"""
|
||||
last_exc: Exception | None = None
|
||||
for attempt in range(retries):
|
||||
try:
|
||||
return conn.execute(sql, params)
|
||||
except sqlite3.OperationalError as exc:
|
||||
if "locked" not in str(exc).lower():
|
||||
raise
|
||||
last_exc = exc
|
||||
if attempt < retries - 1:
|
||||
time.sleep(base_delay * (attempt + 1))
|
||||
if last_exc:
|
||||
raise last_exc
|
||||
raise sqlite3.OperationalError("database is locked")
|
||||
|
||||
Reference in New Issue
Block a user