first commit

src/exchanges/ls.py

@@ -0,0 +1,58 @@
+import requests
+from datetime import datetime
+from typing import List
+from .base import BaseExchange, Trade
+
+class LSExchange(BaseExchange):
+    @property
+    def name(self) -> str:
+        return "LS"
+
+    def fetch_latest_trades(self) -> List[Trade]:
+        # Today's trades endpoint
+        url = "https://www.ls-x.de/_rpc/json/.lstc/instrument/list/lstctradestoday"
+        
+        # We might need headers to mimic a browser or handle disclaimer
+        headers = {
+            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
+            'Accept': 'application/json',
+            'Referer': 'https://www.ls-tc.de/'
+        }
+        
+        try:
+            response = requests.get(url, headers=headers)
+            response.raise_for_status()
+            
+            import csv
+            import io
+            f = io.StringIO(response.text)
+            # Header: isin;displayName;tradeTime;price;currency;size;orderId
+            reader = csv.DictReader(f, delimiter=';')
+            
+            trades = []
+            for item in reader:
+                try:
+                    price = float(item['price'].replace(',', '.'))
+                    quantity = float(item['size'].replace(',', '.'))
+                    isin = item['isin']
+                    symbol = item['displayName']
+                    time_str = item['tradeTime']
+                    
+                    # Format: 2026-01-23T07:30:00.992000Z
+                    ts_str = time_str.replace('Z', '+00:00')
+                    timestamp = datetime.fromisoformat(ts_str)
+                    
+                    trades.append(Trade(
+                        exchange=self.name,
+                        symbol=symbol,
+                        isin=isin,
+                        price=price,
+                        quantity=quantity,
+                        timestamp=timestamp
+                    ))
+                except Exception:
+                    continue
+            return trades
+        except Exception as e:
+            print(f"Error fetching LS data: {e}")
+            return []