반복적인 IPC 오류 해결, 봇 오류 해결, 인증 오류 해결, 서버 자원 할당 오류 해결, 코드 리팩토링

modules/services/kis.py

@@ -484,31 +484,174 @@ class KISClient:
         self.ensure_token()
         url = f"{self.base_url}/uapi/domestic-stock/v1/quotations/inquire-investor"
         headers = self._get_headers(tr_id="FHKST01010900")
-        
+
         params = {
             "FID_COND_MRKT_DIV_CODE": "J",
             "FID_INPUT_ISCD": ticker
         }
-        
+
         try:
             res = requests.get(url, headers=headers, params=params)
             res.raise_for_status()
             data = res.json()
             if data['rt_cd'] != '0':
                 return None
-            
-            # output 리스트: [ {stck_bsop_date: 날짜, frgn_ntby_qty: 외인순매수, orgn_ntby_qty: 기관순매수, ...}, ... ]
+
             trends = []
-            for item in data['output'][:5]: # 최근 5일치만
+            for item in data['output'][:5]:
                 trends.append({
                     "date": item['stck_bsop_date'],
-                    "foreigner": self._safe_int(item.get('frgn_ntby_qty')), # 외인 순매수량
-                    "institutional": self._safe_int(item.get('orgn_ntby_qty')), # 기관 순매수량
-                    "price_change": float(item['prdy_vrss']) # 전일대비 등락금액
+                    "foreigner": self._safe_int(item.get('frgn_ntby_qty')),
+                    "institutional": self._safe_int(item.get('orgn_ntby_qty')),
+                    "price_change": float(item['prdy_vrss'])
                 })
-            
-            # 최근일이 0번 인덱스임
+
             return trends
         except Exception as e:
-            print(f"❌ 투자자 동향 조회 실패({ticker}): {e}")
+            print(f"[KIS] 투자자 동향 조회 실패({ticker}): {e}")
             return None
+
+
+class KISAsyncClient:
+    """
+    비동기 KIS API 클라이언트
+    - aiohttp 기반 HTTP 호출
+    - 동기 KISClient의 토큰/설정을 공유
+    - 다중 종목 병렬 수집용
+    """
+    def __init__(self, sync_client):
+        self.sync = sync_client
+        self.min_interval = 0.5  # 초당 2회 제한
+
+    async def _async_get(self, session, url, headers, params):
+        """비동기 GET 요청"""
+        try:
+            async with session.get(url, headers=headers, params=params) as resp:
+                return await resp.json()
+        except Exception as e:
+            print(f"[KIS Async] Request failed: {e}")
+            return None
+
+    async def get_daily_price_async(self, ticker):
+        """비동기 일별 시세 조회"""
+        import aiohttp
+        import asyncio
+
+        self.sync.ensure_token()
+        url = f"{self.sync.base_url}/uapi/domestic-stock/v1/quotations/inquire-daily-price"
+        headers = self.sync._get_headers(tr_id="FHKST01010400")
+        params = {
+            "FID_COND_MRKT_DIV_CODE": "J",
+            "FID_INPUT_ISCD": ticker,
+            "FID_PERIOD_DIV_CODE": "D",
+            "FID_ORG_ADJ_PRC": "1"
+        }
+
+        async with aiohttp.ClientSession() as session:
+            data = await self._async_get(session, url, headers, params)
+            if data and data.get('rt_cd') == '0':
+                prices = [int(item['stck_clpr']) for item in data['output']]
+                prices.reverse()
+                return prices
+        return []
+
+    async def get_investor_trend_async(self, ticker):
+        """비동기 투자자 동향 조회"""
+        import aiohttp
+
+        self.sync.ensure_token()
+        url = f"{self.sync.base_url}/uapi/domestic-stock/v1/quotations/inquire-investor"
+        headers = self.sync._get_headers(tr_id="FHKST01010900")
+        params = {
+            "FID_COND_MRKT_DIV_CODE": "J",
+            "FID_INPUT_ISCD": ticker
+        }
+
+        async with aiohttp.ClientSession() as session:
+            data = await self._async_get(session, url, headers, params)
+            if data and data.get('rt_cd') == '0':
+                trends = []
+                for item in data['output'][:5]:
+                    trends.append({
+                        "date": item['stck_bsop_date'],
+                        "foreigner": self.sync._safe_int(item.get('frgn_ntby_qty')),
+                        "institutional": self.sync._safe_int(item.get('orgn_ntby_qty')),
+                        "price_change": float(item['prdy_vrss'])
+                    })
+                return trends
+        return None
+
+    async def get_daily_prices_batch(self, tickers):
+        """여러 종목의 일별 시세를 병렬로 조회"""
+        import aiohttp
+        import asyncio
+
+        self.sync.ensure_token()
+        results = {}
+
+        async with aiohttp.ClientSession() as session:
+            tasks = []
+            for i, ticker in enumerate(tickers):
+                # rate limit: 0.5초 간격으로 요청 생성
+                if i > 0:
+                    await asyncio.sleep(self.min_interval)
+
+                url = f"{self.sync.base_url}/uapi/domestic-stock/v1/quotations/inquire-daily-price"
+                headers = self.sync._get_headers(tr_id="FHKST01010400")
+                params = {
+                    "FID_COND_MRKT_DIV_CODE": "J",
+                    "FID_INPUT_ISCD": ticker,
+                    "FID_PERIOD_DIV_CODE": "D",
+                    "FID_ORG_ADJ_PRC": "1"
+                }
+                tasks.append((ticker, self._async_get(session, url, headers, params)))
+
+            for ticker, task in tasks:
+                data = await task
+                if data and data.get('rt_cd') == '0':
+                    prices = [int(item['stck_clpr']) for item in data['output']]
+                    prices.reverse()
+                    results[ticker] = prices
+                else:
+                    results[ticker] = []
+
+        return results
+
+    async def get_investor_trends_batch(self, tickers):
+        """여러 종목의 투자자 동향을 병렬로 조회"""
+        import aiohttp
+        import asyncio
+
+        self.sync.ensure_token()
+        results = {}
+
+        async with aiohttp.ClientSession() as session:
+            tasks = []
+            for i, ticker in enumerate(tickers):
+                if i > 0:
+                    await asyncio.sleep(self.min_interval)
+
+                url = f"{self.sync.base_url}/uapi/domestic-stock/v1/quotations/inquire-investor"
+                headers = self.sync._get_headers(tr_id="FHKST01010900")
+                params = {
+                    "FID_COND_MRKT_DIV_CODE": "J",
+                    "FID_INPUT_ISCD": ticker
+                }
+                tasks.append((ticker, self._async_get(session, url, headers, params)))
+
+            for ticker, task in tasks:
+                data = await task
+                if data and data.get('rt_cd') == '0':
+                    trends = []
+                    for item in data['output'][:5]:
+                        trends.append({
+                            "date": item['stck_bsop_date'],
+                            "foreigner": self.sync._safe_int(item.get('frgn_ntby_qty')),
+                            "institutional": self.sync._safe_int(item.get('orgn_ntby_qty')),
+                            "price_change": float(item['prdy_vrss'])
+                        })
+                    results[ticker] = trends
+                else:
+                    results[ticker] = None
+
+        return results