|
17 | 17 | """ |
18 | 18 |
|
19 | 19 | import asyncio |
| 20 | +import errno |
20 | 21 | import json |
21 | 22 | import logging |
| 23 | +import os |
22 | 24 | import re |
23 | 25 | import threading |
| 26 | +from dataclasses import dataclass |
24 | 27 | from datetime import datetime |
| 28 | +from pathlib import Path |
25 | 29 | from typing import Optional, Union, Dict, Any |
26 | 30 |
|
27 | | -from fastapi import APIRouter, HTTPException, Depends, Query, BackgroundTasks |
| 31 | +from fastapi import APIRouter, HTTPException, Depends, Query, BackgroundTasks, Body |
28 | 32 | from fastapi.responses import JSONResponse, StreamingResponse |
29 | 33 |
|
30 | 34 | from api.deps import get_config_dep |
|
71 | 75 |
|
72 | 76 | router = APIRouter() |
73 | 77 |
|
| 78 | +try: |
| 79 | + import fcntl |
| 80 | +except ImportError: # pragma: no cover - Windows fallback |
| 81 | + fcntl = None |
| 82 | + |
74 | 83 | _SUPPORTED_FREE_TEXT_RE = re.compile(r"^[A-Za-z0-9.*\-+\u3400-\u9fff\s]+$") |
75 | 84 | _market_review_lock = threading.Lock() |
76 | 85 | _market_review_running = False |
77 | 86 |
|
78 | 87 |
|
79 | | -def _run_market_review_background(send_notification: bool) -> None: |
80 | | - """Run market review after the API response has been accepted.""" |
| 88 | +@dataclass |
| 89 | +class _MarketReviewExecutionLock: |
| 90 | + handle: Any |
| 91 | + path: Path |
| 92 | + uses_flock: bool |
| 93 | + |
| 94 | + |
| 95 | +def _market_review_lock_path(config: Config) -> Path: |
| 96 | + database_path = getattr(config, "database_path", "./data/stock_analysis.db") |
| 97 | + return Path(database_path).parent / "market_review.lock" |
| 98 | + |
| 99 | + |
| 100 | +def _write_market_review_lock_metadata(handle: Any) -> None: |
| 101 | + handle.seek(0) |
| 102 | + handle.truncate() |
| 103 | + handle.write(f"pid={os.getpid()}\nstarted_at={datetime.now().isoformat()}\n") |
| 104 | + handle.flush() |
| 105 | + |
| 106 | + |
| 107 | +def _try_acquire_market_review_lock( |
| 108 | + config: Config, |
| 109 | +) -> Optional[_MarketReviewExecutionLock]: |
| 110 | + """Acquire an in-process and cross-process market-review execution lock.""" |
81 | 111 | global _market_review_running |
| 112 | + lock_path = _market_review_lock_path(config) |
| 113 | + |
| 114 | + with _market_review_lock: |
| 115 | + if _market_review_running: |
| 116 | + return None |
| 117 | + |
| 118 | + lock_path.parent.mkdir(parents=True, exist_ok=True) |
| 119 | + |
| 120 | + if fcntl is not None: |
| 121 | + handle = open(lock_path, "a+", encoding="utf-8") |
| 122 | + try: |
| 123 | + fcntl.flock(handle.fileno(), fcntl.LOCK_EX | fcntl.LOCK_NB) |
| 124 | + except (BlockingIOError, OSError) as exc: |
| 125 | + handle.close() |
| 126 | + if isinstance(exc, BlockingIOError) or getattr(exc, "errno", None) in ( |
| 127 | + errno.EACCES, |
| 128 | + errno.EAGAIN, |
| 129 | + ): |
| 130 | + return None |
| 131 | + raise |
| 132 | + uses_flock = True |
| 133 | + else: # pragma: no cover - exercised only on platforms without fcntl |
| 134 | + try: |
| 135 | + fd = os.open(str(lock_path), os.O_CREAT | os.O_EXCL | os.O_RDWR) |
| 136 | + except FileExistsError: |
| 137 | + return None |
| 138 | + handle = os.fdopen(fd, "w+", encoding="utf-8") |
| 139 | + uses_flock = False |
| 140 | + |
| 141 | + _write_market_review_lock_metadata(handle) |
| 142 | + _market_review_running = True |
| 143 | + return _MarketReviewExecutionLock( |
| 144 | + handle=handle, |
| 145 | + path=lock_path, |
| 146 | + uses_flock=uses_flock, |
| 147 | + ) |
| 148 | + |
| 149 | + |
| 150 | +def _release_market_review_lock( |
| 151 | + lock_token: Optional[_MarketReviewExecutionLock], |
| 152 | +) -> None: |
| 153 | + global _market_review_running |
| 154 | + with _market_review_lock: |
| 155 | + _market_review_running = False |
| 156 | + |
| 157 | + if lock_token is None: |
| 158 | + return |
| 159 | + |
| 160 | + try: |
| 161 | + if lock_token.uses_flock and fcntl is not None: |
| 162 | + fcntl.flock(lock_token.handle.fileno(), fcntl.LOCK_UN) |
| 163 | + finally: |
| 164 | + lock_token.handle.close() |
| 165 | + if not lock_token.uses_flock: |
| 166 | + try: |
| 167 | + lock_token.path.unlink() |
| 168 | + except FileNotFoundError: |
| 169 | + pass |
| 170 | + |
| 171 | + |
| 172 | +def _compute_market_review_override_region(config: Config) -> Optional[str]: |
| 173 | + if not getattr(config, "trading_day_check_enabled", True): |
| 174 | + return None |
| 175 | + |
| 176 | + try: |
| 177 | + from src.core.trading_calendar import ( |
| 178 | + get_open_markets_today, |
| 179 | + compute_effective_region, |
| 180 | + ) |
| 181 | + |
| 182 | + open_markets = get_open_markets_today() |
| 183 | + return compute_effective_region( |
| 184 | + getattr(config, "market_review_region", "cn") or "cn", |
| 185 | + open_markets, |
| 186 | + ) |
| 187 | + except Exception as exc: |
| 188 | + logger.warning("大盘复盘交易日过滤失败,按配置继续执行: %s", exc) |
| 189 | + return None |
| 190 | + |
| 191 | + |
| 192 | +def _build_market_review_runtime(config: Config) -> tuple[Any, Any, Any]: |
| 193 | + from src.analyzer import GeminiAnalyzer |
| 194 | + from src.notification import NotificationService |
| 195 | + from src.search_service import SearchService |
| 196 | + |
| 197 | + notifier = NotificationService() |
| 198 | + |
| 199 | + search_service = None |
| 200 | + has_search_capability = getattr(config, "has_search_capability_enabled", None) |
| 201 | + if callable(has_search_capability) and has_search_capability(): |
| 202 | + search_service = SearchService( |
| 203 | + bocha_keys=getattr(config, "bocha_api_keys", None), |
| 204 | + tavily_keys=getattr(config, "tavily_api_keys", None), |
| 205 | + anspire_keys=getattr(config, "anspire_api_keys", None), |
| 206 | + brave_keys=getattr(config, "brave_api_keys", None), |
| 207 | + serpapi_keys=getattr(config, "serpapi_keys", None), |
| 208 | + minimax_keys=getattr(config, "minimax_api_keys", None), |
| 209 | + searxng_base_urls=getattr(config, "searxng_base_urls", None), |
| 210 | + searxng_public_instances_enabled=getattr( |
| 211 | + config, |
| 212 | + "searxng_public_instances_enabled", |
| 213 | + True, |
| 214 | + ), |
| 215 | + news_max_age_days=getattr(config, "news_max_age_days", 3), |
| 216 | + news_strategy_profile=getattr(config, "news_strategy_profile", "short"), |
| 217 | + ) |
| 218 | + |
| 219 | + analyzer = None |
| 220 | + if getattr(config, "gemini_api_key", None) or getattr(config, "openai_api_key", None): |
| 221 | + analyzer = GeminiAnalyzer(api_key=getattr(config, "gemini_api_key", None)) |
| 222 | + if not analyzer.is_available(): |
| 223 | + logger.warning("AI 分析器初始化后不可用,请检查 API Key 配置") |
| 224 | + analyzer = None |
| 225 | + else: |
| 226 | + logger.warning("未检测到 API Key (Gemini/OpenAI),将仅使用模板生成报告") |
| 227 | + |
| 228 | + return notifier, analyzer, search_service |
| 229 | + |
| 230 | + |
| 231 | +def _run_market_review_background( |
| 232 | + send_notification: bool, |
| 233 | + override_region: Optional[str] = None, |
| 234 | + lock_token: Optional[_MarketReviewExecutionLock] = None, |
| 235 | + config: Optional[Config] = None, |
| 236 | +) -> None: |
| 237 | + """Run market review after the API response has been accepted.""" |
82 | 238 | try: |
83 | 239 | from src.core.market_review import run_market_review |
84 | | - from src.notification import NotificationService |
85 | 240 |
|
86 | | - notifier = NotificationService() |
87 | | - run_market_review(notifier, send_notification=send_notification) |
| 241 | + runtime_config = config or get_config_dep() |
| 242 | + notifier, analyzer, search_service = _build_market_review_runtime(runtime_config) |
| 243 | + run_market_review( |
| 244 | + notifier=notifier, |
| 245 | + analyzer=analyzer, |
| 246 | + search_service=search_service, |
| 247 | + send_notification=send_notification, |
| 248 | + override_region=override_region, |
| 249 | + ) |
88 | 250 | except Exception as exc: |
89 | 251 | logger.error("大盘复盘后台任务失败: %s", exc, exc_info=True) |
90 | 252 | finally: |
91 | | - with _market_review_lock: |
92 | | - _market_review_running = False |
| 253 | + _release_market_review_lock(lock_token) |
93 | 254 |
|
94 | 255 |
|
95 | 256 | def _invalid_analysis_input_error() -> HTTPException: |
@@ -430,23 +591,43 @@ def _handle_sync_analysis( |
430 | 591 | description="提交一个后台大盘复盘任务,复用 CLI 的大盘复盘链路并保存报告。", |
431 | 592 | ) |
432 | 593 | def trigger_market_review( |
433 | | - request: MarketReviewRequest, |
434 | 594 | background_tasks: BackgroundTasks, |
| 595 | + request: Optional[MarketReviewRequest] = Body(None), |
| 596 | + config: Config = Depends(get_config_dep), |
435 | 597 | ) -> MarketReviewAccepted: |
436 | 598 | """Trigger market review from Web/API without blocking the request.""" |
437 | | - global _market_review_running |
438 | | - with _market_review_lock: |
439 | | - if _market_review_running: |
440 | | - raise HTTPException( |
441 | | - status_code=409, |
442 | | - detail={ |
443 | | - "error": "duplicate_market_review", |
444 | | - "message": "大盘复盘正在执行中,请稍后再试", |
445 | | - }, |
446 | | - ) |
447 | | - _market_review_running = True |
| 599 | + request = request or MarketReviewRequest() |
| 600 | + |
| 601 | + override_region = _compute_market_review_override_region(config) |
| 602 | + if override_region == "": |
| 603 | + return MarketReviewAccepted( |
| 604 | + status="accepted", |
| 605 | + message="今日大盘复盘相关市场均为非交易日,已跳过大盘复盘", |
| 606 | + send_notification=request.send_notification, |
| 607 | + ) |
| 608 | + |
| 609 | + lock_token = _try_acquire_market_review_lock(config) |
| 610 | + if lock_token is None: |
| 611 | + raise HTTPException( |
| 612 | + status_code=409, |
| 613 | + detail={ |
| 614 | + "error": "duplicate_market_review", |
| 615 | + "message": "大盘复盘正在执行中,请稍后再试", |
| 616 | + }, |
| 617 | + ) |
| 618 | + |
| 619 | + try: |
| 620 | + background_tasks.add_task( |
| 621 | + _run_market_review_background, |
| 622 | + request.send_notification, |
| 623 | + override_region, |
| 624 | + lock_token, |
| 625 | + config, |
| 626 | + ) |
| 627 | + except Exception: |
| 628 | + _release_market_review_lock(lock_token) |
| 629 | + raise |
448 | 630 |
|
449 | | - background_tasks.add_task(_run_market_review_background, request.send_notification) |
450 | 631 | return MarketReviewAccepted( |
451 | 632 | status="accepted", |
452 | 633 | message="大盘复盘任务已提交,完成后会保存报告并按配置推送通知", |
|
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