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guopengfa
2026-01-17 01:26:25 +08:00
parent b4a03a8e33
commit b49e642066
1 changed files with 5 additions and 5 deletions
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backend_api_python/app/data_sources/crypto.py
+5 -5
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@@ -84,7 +84,7 @@ class CryptoDataSource(BaseDataSource):
else: else:
symbol_pair = symbol symbol_pair = symbol
logger.info(f"获取加密货币K线: {symbol_pair}, 周期: {ccxt_timeframe}, 条数: {limit}") # logger.info(f"获取加密货币K线: {symbol_pair}, 周期: {ccxt_timeframe}, 条数: {limit}")
ohlcv = self._fetch_ohlcv(symbol_pair, ccxt_timeframe, limit, before_time, timeframe) ohlcv = self._fetch_ohlcv(symbol_pair, ccxt_timeframe, limit, before_time, timeframe)
@@ -136,7 +136,7 @@ class CryptoDataSource(BaseDataSource):
since = int(start_time.timestamp() * 1000) since = int(start_time.timestamp() * 1000)
end_ms = before_time * 1000 end_ms = before_time * 1000
logger.info(f"历史数据请求: since={since//1000}, end={before_time}, 时间跨度={total_seconds/86400:.1f}天") # logger.info(f"历史数据请求: since={since//1000}, end={before_time}, 时间跨度={total_seconds/86400:.1f}天")
# 分页获取数据，直到覆盖完整时间范围 # 分页获取数据，直到覆盖完整时间范围
all_ohlcv = [] all_ohlcv = []
@@ -168,13 +168,13 @@ class CryptoDataSource(BaseDataSource):
timeframe_ms = TIMEFRAME_SECONDS.get(timeframe, 86400) * 1000 timeframe_ms = TIMEFRAME_SECONDS.get(timeframe, 86400) * 1000
current_since = last_timestamp + timeframe_ms current_since = last_timestamp + timeframe_ms
logger.info(f"分页获取中: 已获取 {len(all_ohlcv)} 条, 继续从 {datetime.fromtimestamp(current_since/1000)}") # logger.info(f"分页获取中: 已获取 {len(all_ohlcv)} 条, 继续从 {datetime.fromtimestamp(current_since/1000)}")
ohlcv = all_ohlcv ohlcv = all_ohlcv
else: else:
ohlcv = self.exchange.fetch_ohlcv(symbol_pair, ccxt_timeframe, limit=limit) ohlcv = self.exchange.fetch_ohlcv(symbol_pair, ccxt_timeframe, limit=limit)
logger.info(f"CCXT 返回 {len(ohlcv) if ohlcv else 0} 条数据") # logger.info(f"CCXT 返回 {len(ohlcv) if ohlcv else 0} 条数据")
return ohlcv return ohlcv
except Exception as e: except Exception as e:
@@ -201,7 +201,7 @@ class CryptoDataSource(BaseDataSource):
since = int((datetime.now() - timedelta(seconds=total_seconds)).timestamp() * 1000) since = int((datetime.now() - timedelta(seconds=total_seconds)).timestamp() * 1000)
ohlcv = self.exchange.fetch_ohlcv(symbol_pair, ccxt_timeframe, since=since, limit=limit) ohlcv = self.exchange.fetch_ohlcv(symbol_pair, ccxt_timeframe, since=since, limit=limit)
logger.info(f"CCXT 备用方法返回 {len(ohlcv) if ohlcv else 0} 条数据") # logger.info(f"CCXT 备用方法返回 {len(ohlcv) if ohlcv else 0} 条数据")
return ohlcv return ohlcv
except Exception as e: except Exception as e:
logger.error(f"CCXT fallback method also failed: {str(e)}") logger.error(f"CCXT fallback method also failed: {str(e)}")