Legacy code that we will work on

Siddharta Govindaraj · Siddharta Govindaraj · commit 7bd73f741a0b · 2015-03-23T15:38:10.000+05:30
diff --git a/stock_alerter/legacy.py b/stock_alerter/legacy.py
@@ -0,0 +1,27 @@
+from datetime import datetime
+
+from .stock import Stock
+from .rule import PriceRule
+
+
+class AlertProcessor:
+    def __init__(self):
+        self.exchange = {"GOOG": Stock("GOOG"), "AAPL": Stock("AAPL")}
+        rule_1 = PriceRule("GOOG", lambda stock: stock.price > 10)
+        rule_2 = PriceRule("AAPL", lambda stock: stock.price > 5)
+        self.exchange["GOOG"].updated.connect(
+            lambda stock: print(stock.symbol, stock.price) \
+                          if rule_1.matches(self.exchange) else None)
+        self.exchange["AAPL"].updated.connect(
+            lambda stock: print(stock.symbol, stock.price) \
+                          if rule_2.matches(self.exchange) else None)
+        updates = []
+        with open("updates.csv", "r") as fp:
+            for line in fp.readlines():
+                symbol, timestamp, price = line.split(",")
+                updates.append((symbol,
+                       datetime.strptime(timestamp, "%Y-%m-%dT%H:%M:%S.%f"),
+                       int(price)))
+        for symbol, timestamp, price in updates:
+            stock = self.exchange[symbol]
+            stock.update(timestamp, price)
diff --git a/updates.csv b/updates.csv
@@ -0,0 +1,6 @@
+GOOG,2014-02-11T14:10:22.13,5
+AAPL,2014-02-11T00:00:00.0,8
+GOOG,2014-02-11T14:11:22.13,3
+GOOG,2014-02-11T14:12:22.13,15
+AAPL,2014-02-11T00:00:00.0,10
+GOOG,2014-02-11T14:15:22.13,21
