Add personal license agreement and rename product section to tradable symbols.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
dekun
2026-06-26 02:52:45 +08:00
parent 7b60f0dce5
commit ab9987e4c7
85 changed files with 18772 additions and 18235 deletions
+49 -44
View File
@@ -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")