接入数据库

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crypto_predictor committed 2026-02-04 18:35:10 +08:00
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@@ -1,10 +1,17 @@
"""生成测试数据以便在无法连接Binance时使用"""
import sys
import os
from pathlib import Path
# 添加项目根目录 to path
sys.path.append(str(Path(__file__).resolve().parent.parent))
import pandas as pd
import numpy as np
from datetime import datetime, timedelta
from pathlib import Path
from data.database import DatabaseManager
def generate_sample_data(
symbol: str = 'BTC',
@@ -76,14 +83,13 @@ def generate_sample_data(
df = pd.DataFrame(data)
# 保存到缓存
cache_dir = Path('./data/cache')
cache_dir.mkdir(parents=True, exist_ok=True)
# 保存到数据库
# 注意:我们这里假设DatabaseManager的默认路径在脚本运行时是相对于CWD的
# 如果从根目录运行,./data/cache/market_data.db 是正确的
db_manager = DatabaseManager()
db_manager.save_ohlcv(df, symbol, timeframe)
cache_file = cache_dir / f"{symbol}_{timeframe}_1y_now.csv"
df.to_csv(cache_file, index=False)
print(f"✓ 已生成 {len(df)} 行模拟数据并保存到:{cache_file}")
print(f"✓ 已生成 {len(df)} 行模拟数据并保存到数据库")
return df