Check list of dates in StockReturn.py

Functions.py

@@ -4,9 +4,18 @@ class Functions:
         return min(items, key=lambda x: abs(x - pivot))
     def stringToDate(date):
         from datetime import datetime
+
         #datetime_object = datetime.strptime('Jun 1 2005  1:33PM', '%b %d %Y %I:%M%p')
         datetime_object = datetime.strptime(date, '%Y-%m-%d').date()
         return(datetime_object)
+        '''
+        dateSplit = date.split('-')
+        year = int(dateSplit[0])
+        month = int(dateSplit[1])
+        day = int(dateSplit[2])
+        datetime_object = datetime.date(year, month, day)
+        '''
+        return datetime_object
 
 def main():
     exit()

StockData.py

@@ -29,8 +29,7 @@ Daily Requests = 20,000
 Symbol Requests = 500
 '''
 
-import requests, json, socket
-import importlib.util, sys # To check whether a package is installed
+import requests, json
 from datetime import datetime
 
 class StockData:
@@ -446,8 +445,8 @@ class StockData:
       finalClose = finalDatesAndClose[1]
       finalDates = []
 
-      for i in range(0, len(finalDatesStrings), 1):
       from Functions import Functions
+      for i in range(0, len(finalDatesStrings), 1):
           temp = Functions.stringToDate(finalDatesStrings[i])
           finalDates.append(temp)
       #print(finalDates)
@@ -457,6 +456,7 @@ class StockData:
       return(finalDatesAndClose2)
 
   def is_connected():
+    import socket # To check internet connection
     try:
         # connect to the host -- tells us if the host is actually
         # reachable
@@ -468,6 +468,7 @@ class StockData:
     return False
 
   def main(self):
+    import importlib.util, sys # To check whether a package is installed
 
     packages = ['requests']
     for i in range(0, len(packages), 1):

StockReturn.py

@@ -36,35 +36,51 @@ class Return:
         firstLastDates.append(lastDate)
         return firstLastDates
 
+    def getFirstLastDates2(self, stock):
+        finalDatesAndClose = StockData.returnFinalDatesAndClose(stock)
+        finalDatesAndClose2 = StockData.returnFinalDatesAndClose2(stock)
+        firstDate = self.firstLastDates[0]
+        lastDate = self.firstLastDates[1]
+        finalDates = finalDatesAndClose[0]
+
+        firstDateExists = False
+        lastDateExists = False
+        for i in range(0, len(finalDates), 1):
+            if finalDates[i] == str(firstDate):
+                firstDateExists = True
+            elif finalDates[i] == lastDate:
+                lastDateExists = True
+                i = len(finalDates)
+
+        if firstDateExists == False:
+            print("Could not find first date. Changing first date to closest date")
+            tempDate = Functions.stringToDate(firstDate) # Change to datetime
+            print('Original first date: ', tempDate)
+            #tempDate = datetime.date(2014,1,17)
+            newFirstDate = Functions.getNearest(finalDatesAndClose2[0], tempDate)
+            print('New first date: ', newFirstDate)
+            firstDate = str(newFirstDate)
+
+        if lastDateExists == False:
+            print("Could not find final date. Changing final date to closest date")
+            tempDate2 = Functions.stringToDate(lastDate) # Change to datetime
+            print('Original final date: ', tempDate2)
+            #tempDate2 = datetime.date(2014,1,17)
+            newLastDate = Functions.getNearest(finalDatesAndClose2[0], tempDate2)
+            print('New final date: ', newLastDate)
+            lastDate = str(newLastDate)
+
+        firstLastDates = []
+        firstLastDates.append(firstDate)
+        firstLastDates.append(lastDate)
+        return firstLastDates
+
     def getUnadjustedReturn(self, stock):
         finalDatesAndClose = StockData.returnFinalDatesAndClose(stock)
         finalDatesAndClose2 = StockData.returnFinalDatesAndClose2(stock)
         firstDate = self.firstLastDates[0]
         lastDate = self.firstLastDates[1]
         finalDates = finalDatesAndClose[0]
-        finalClose = finalDatesAndClose[1]
-
-        firstClose = 0
-        for i in range(0, len(finalDates), 1):
-            if finalDates[i] == firstDate:
-                firstClose = finalClose[i]
-            elif finalDates[i] == lastDate:
-                lastClose = finalClose[i]
-                i = len(finalDates)
-
-        if firstClose == 0:
-            print("Could not find first date. Changing first date to closest date")
-            temp = Functions.stringToDate(firstDate) # Change to datetime
-            print('Original first date: ', temp)
-            newFirstDate = Functions.getNearest(finalDatesAndClose2[0], temp)
-            print('New first date: ', newFirstDate)
-
-            for i in range(0, len(finalDates), 1):
-                if finalDates[i] == str(newFirstDate):
-                    firstClose = finalClose[i]
-
-        print(firstClose)
-        print(lastClose)
 
 #    def getBeta(self, timeFrame):
 
@@ -86,6 +102,10 @@ class Return:
         self.firstLastDates = Return.getFirstLastDates(self, stock)
         print('Dates: ', self.firstLastDates)
 
+        print('\nMaking sure dates are within list...')
+        self.firstLastDates = Return.getFirstLastDates2(self, stock)
+        print('New dates: ', self.firstLastDates)
+
         print('\nGetting unadjusted return')
         Return.getUnadjustedReturn(self, stock)