Repository navigation
Expand file tree
/
Copy pathmaintenance.py
More file actions
228 lines (193 loc) · 7.59 KB
/
Copy pathmaintenance.py
File metadata and controls
228 lines (193 loc) · 7.59 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
"""无人值守维护任务：日志轮转与 SQLite 历史数据清理。"""
from __future__ import annotations
import os
import sqlite3
import time
from datetime import datetime, timedelta
import config
from logger import get_logger
logger = get_logger("maintenance")
def rotate_plain_log(log_path: str, max_bytes: int, backup_count: int) -> bool:
"""轮转由 stdout/stderr 追加写入的普通日志文件。"""
if max_bytes <= 0 or backup_count <= 0 or not os.path.exists(log_path):
return False
if os.path.getsize(log_path) < max_bytes:
return False
os.makedirs(os.path.dirname(log_path) or ".", exist_ok=True)
oldest = f"{log_path}.{backup_count}"
if os.path.exists(oldest):
os.remove(oldest)
for index in range(backup_count - 1, 0, -1):
src = f"{log_path}.{index}"
dst = f"{log_path}.{index + 1}"
if os.path.exists(src):
os.replace(src, dst)
os.replace(log_path, f"{log_path}.1")
open(log_path, "a", encoding="utf-8").close()
logger.info(f"已轮转日志: {log_path}")
return True
def rotate_xqm_log() -> bool:
"""轮转 XtQuantManager
EDAE
处理重定向日志。"""
return rotate_plain_log(
getattr(config, "XQM_LOG_FILE", os.path.join("logs", "xqm_manager.log")),
getattr(config, "XQM_LOG_MAX_SIZE", 10 * 1024 * 1024),
getattr(config, "XQM_LOG_BACKUP_COUNT", 5),
)
def _table_exists(conn: sqlite3.Connection, table_name: str) -> bool:
row = conn.execute(
"SELECT 1 FROM sqlite_master WHERE type='table' AND name=?",
(table_name,),
).fetchone()
return row is not None
def _delete_older_than(
conn: sqlite3.Connection,
table_name: str,
date_column: str,
cutoff: datetime,
extra_where: str = "",
) -> int:
if not _table_exists(conn, table_name):
return 0
cutoff_text = cutoff.strftime("%Y-%m-%d %H:%M:%S")
where = f"datetime({date_column}) < datetime(?)"
if extra_where:
where = f"({where}) AND ({extra_where})"
cursor = conn.execute(f"DELETE FROM {table_name} WHERE {where}", (cutoff_text,))
return cursor.rowcount if cursor.rowcount and cursor.rowcount > 0 else 0
def cleanup_trading_db(db_path: str | None = None, now: datetime | None = None) -> dict:
"""清理主交易库中的追加型历史表。"""
db_path = db_path or config.DB_PATH
now = now or datetime.now()
summary = {
"db_path": db_path,
"trade_records": 0,
"grid_sessions": 0,
"premarket_sync_history": 0,
"config_history": 0,
"vacuum": False,
}
if not db_path or not os.path.exists(db_path):
return summary
conn = sqlite3.connect(db_path)
try:
conn.execute("PRAGMA busy_timeout = 30000")
conn.execute("PRAGMA foreign_keys = ON")
summary["trade_records"] = _delete_older_than(
conn,
"trade_records",
"trade_time",
now - timedelta(days=config.TRADE_RECORD_RETENTION_DAYS),
)
summary["premarket_sync_history"] = _delete_older_than(
conn,
"premarket_sync_history",
"sync_time",
now - timedelta(days=config.PREMARKET_HISTORY_RETENTION_DAYS),
)
summary["config_history"] = _delete_older_than(
conn,
"config_history",
"changed_at",
now - timedelta(days=config.CONFIG_HISTORY_RETENTION_DAYS),
)
if _table_exists(conn, "grid_trading_sessions"):
cutoff = (now - timedelta(days=config.GRID_SESSION_RETENTION_DAYS)).strftime("%Y-%m-%d %H:%M:%S")
cursor = conn.execute(
"""
DELETE FROM grid_trading_sessions
WHERE status != 'active'
AND datetime(COALESCE(stop_time, updated_at, created_at)) < datetime(?)
""",
(cutoff,),
)
summary["grid_sessions"] = cursor.rowcount if cursor.rowcount and cursor.rowcount > 0 else 0
conn.commit()
deleted = sum(v for k, v in summary.items() if k not in ("db_path", "vacuum") and isinstance(v, int))
if (
deleted >= getattr(config, "DB_MAINTENANCE_VACUUM_MIN_DELETED_ROWS", 1000)
and getattr(config, "DB_MAINTENANCE_ENABLE_VACUUM", True)
):
conn.execute("VACUUM")
summary["vacuum"] = True
finally:
conn.close()
return summary
def cleanup_autobuy_db(db_path: str | None = None, now: datetime | None = None) -> dict:
"""清理自动买入复盘库中的高频决策明细。"""
from autobuy.store import DEFAULT_DB_PATH
db_path = db_path or DEFAULT_DB_PATH
now = now or datetime.now()
summary = {"db_path": db_path, "decision_log": 0, "vacuum": False}
if not os.path.exists(db_path):
return summary
conn = sqlite3.connect(db_path)
try:
conn.execute("PRAGMA busy_timeout = 30000")
summary["decision_log"] = _delete_older_than(
conn,
"decision_log",
"run_time",
now - timedelta(days=config.AUTOBUY_DECISION_LOG_RETENTION_DAYS),
)
conn.commit()
if (
summary["decision_log"] >= getattr(config, "DB_MAINTENANCE_VACUUM_MIN_DELETED_ROWS", 1000)
and getattr(config, "DB_MAINTENANCE_ENABLE_VACUUM", True)
):
conn.execute("VACUUM")
summary["vacuum"] = True
finally:
conn.close()
return summary
def _summarize_maintenance_result(result: dict) -> tuple[int, bool]:
deleted_rows = 0
vacuum_ran = False
for summary in result.values():
if not isinstance(summary, dict):
continue
vacuum_ran = vacuum_ran or bool(summary.get("vacuum"))
for key, value in summary.items():
if key in ("db_path", "vacuum"):
continue
if isinstance(value, int):
deleted_rows += value
return deleted_rows, vacuum_ran
def run_database_maintenance(now: datetime | None = None) -> dict:
"""执行一次数据库维护。"""
now = now or datetime.now()
result = {
"trading_db": cleanup_trading_db(now=now),
"autobuy_db": cleanup_autobuy_db(now=now),
}
deleted_rows, vacuum_ran = _summarize_maintenance_result(result)
vacuum_text = "已执行" if vacuum_ran else "未执行"
logger.info(f"数据库维护完成: 清理 {deleted_rows} 行, VACUUM={vacuum_text}")
logger.debug(f"数据库维护明细: {result}")
return result
def schedule_database_maintenance(stop_event=None) -> None:
"""每天在配置时间附近执行一次数据库维护。"""
if not getattr(config, "ENABLE_DB_MAINTENANCE", True):
return
last_run_date = None
interval = getattr(config, "DB_MAINTENANCE_CHECK_INTERVAL", 600)
target_time = datetime.strptime(config.DB_MAINTENANCE_TIME, "%H:%M:%S").time()
while stop_event is None or not stop_event.is_set():
now = datetime.now()
should_run = now.time() >= target_time and last_run_date != now.date()
if (
should_run
and (
not getattr(config, "DB_MAINTENANCE_REQUIRE_NON_TRADE_TIME", True)
or not config.is_market_hours()
)
):
try:
rotate_xqm_log()
run_database_maintenance(now)
last_run_date = now.date()
except Exception as exc:
logger.error(f"数据库维护任务失败: {exc}", exc_info=True)
if stop_event is not None:
stop_event.wait(interval)
else:
time.sleep(interval)