Bump requests from 2.7.0 to 2.20.0

Bumps [requests](https://github.com/requests/requests) from 2.7.0 to 2.20.0.
- [Release notes](https://github.com/requests/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/master/HISTORY.md)
- [Commits](https://github.com/requests/requests/compare/v2.7.0...v2.20.0)

Signed-off-by: dependabot[bot] <support@github.com>

data/streaming.py

@@ -1,9 +1,11 @@
 from __future__ import print_function
 
 from decimal import Decimal, getcontext, ROUND_HALF_DOWN
-import requests
+import logging
 import json
 
+import requests
+
 from qsforex.event.event import TickEvent
 from qsforex.data.price import PriceHandler
 
@@ -19,6 +21,7 @@ class StreamingForexPrices(PriceHandler):
         self.events_queue = events_queue
         self.pairs = pairs
         self.prices = self._set_up_prices_dict()
+        self.logger = logging.getLogger(__name__)
 
     def invert_prices(self, pair, bid, ask):
         """
@@ -38,12 +41,13 @@ class StreamingForexPrices(PriceHandler):
 
     def connect_to_stream(self):
         pairs_oanda = ["%s_%s" % (p[:3], p[3:]) for p in self.pairs]
+        pair_list = ",".join(pairs_oanda)
         try:
             requests.packages.urllib3.disable_warnings()
             s = requests.Session()
             url = "https://" + self.domain + "/v1/prices"
             headers = {'Authorization' : 'Bearer ' + self.access_token}
-            params = {'instruments' : pairs_oanda, 'accountId' : self.account_id}
+            params = {'instruments' : pair_list, 'accountId' : self.account_id}
             req = requests.Request('GET', url, headers=headers, params=params)
             pre = req.prepare()
             resp = s.send(pre, stream=True, verify=False)
@@ -62,10 +66,12 @@ class StreamingForexPrices(PriceHandler):
                     dline = line.decode('utf-8')
                     msg = json.loads(dline)
                 except Exception as e:
-                    print("Caught exception when converting message into json\n" + str(e))
+                    self.logger.error(
+                        "Caught exception when converting message into json: %s" % str(e)
+                    )
                     return
                 if "instrument" in msg or "tick" in msg:
-                    print(msg)
+                    self.logger.debug(msg)
                     getcontext().rounding = ROUND_HALF_DOWN 
                     instrument = msg["tick"]["instrument"].replace("_", "")
                     time = msg["tick"]["time"]

event/event.py

@@ -10,15 +10,33 @@ class TickEvent(Event):
         self.bid = bid
         self.ask = ask
 
+    def __str__(self):
+        return "Type: %s, Instrument: %s, Time: %s, Bid: %s, Ask: %s" % (
+            str(self.type), str(self.instrument), 
+            str(self.time), str(self.bid), str(self.ask)
+        )
+
+    def __repr__(self):
+        return str(self)
+
 
 class SignalEvent(Event):
     def __init__(self, instrument, order_type, side, time):
         self.type = 'SIGNAL'
         self.instrument = instrument
         self.order_type = order_type
-        self.side = side        
+        self.side = side
         self.time = time  # Time of the last tick that generated the signal
 
+    def __str__(self):
+        return "Type: %s, Instrument: %s, Order Type: %s, Side: %s" % (
+            str(self.type), str(self.instrument), 
+            str(self.order_type), str(self.side)
+        )
+
+    def __repr__(self):
+        return str(self)
+
 
 class OrderEvent(Event):
     def __init__(self, instrument, units, order_type, side):
@@ -26,4 +44,13 @@ class OrderEvent(Event):
         self.instrument = instrument
         self.units = units
         self.order_type = order_type
-        self.side = side        
+        self.side = side
+
+    def __str__(self):
+        return "Type: %s, Instrument: %s, Units: %s, Order Type: %s, Side: %s" % (
+            str(self.type), str(self.instrument), str(self.units),
+            str(self.order_type), str(self.side)
+        )
+
+    def __repr__(self):
+        return str(self)

execution/execution.py

@@ -5,6 +5,7 @@ try:
     import httplib
 except ImportError:
     import http.client as httplib
+import logging
 try:
     from urllib import urlencode
 except ImportError:
@@ -47,6 +48,7 @@ class OANDAExecutionHandler(ExecutionHandler):
         self.access_token = access_token
         self.account_id = account_id
         self.conn = self.obtain_connection()
+        self.logger = logging.getLogger(__name__)
 
     def obtain_connection(self):
         return httplib.HTTPSConnection(self.domain)
@@ -68,6 +70,6 @@ class OANDAExecutionHandler(ExecutionHandler):
             "/v1/accounts/%s/orders" % str(self.account_id), 
             params, headers
         )
-        response = self.conn.getresponse().read()
-        print(response)
+        response = self.conn.getresponse().read().decode("utf-8").replace("\n","").replace("\t","")
+        self.logger.debug(response)
         

logging.conf

@@ -0,0 +1,28 @@
+[loggers]
+keys=root,qsforex.trading.trading
+
+[handlers]
+keys=consoleHandler
+
+[formatters]
+keys=simpleFormatter
+
+[logger_root]
+level=DEBUG
+handlers=consoleHandler
+
+[logger_qsforex.trading.trading]
+level=DEBUG
+handlers=consoleHandler
+qualname=qsforex.trading.trading
+propagate=0
+
+[handler_consoleHandler]
+class=StreamHandler
+level=DEBUG
+formatter=simpleFormatter
+args=(sys.stdout,)
+
+[formatter_simpleFormatter]
+format=%(asctime)s - %(name)s - %(levelname)s - %(message)s
+datefmt=

portfolio/portfolio.py

@@ -2,6 +2,7 @@ from __future__ import print_function
 
 from copy import deepcopy
 from decimal import Decimal, getcontext, ROUND_HALF_DOWN
+import logging
 import os
 
 import pandas as pd
@@ -30,6 +31,7 @@ class Portfolio(object):
         self.positions = {}
         if self.backtest:
             self.backtest_file = self.create_equity_file()
+        self.logger = logging.getLogger(__name__)
 
     def calc_risk_position_size(self):
         return self.equity * self.risk_per_trade
@@ -126,51 +128,66 @@ class Portfolio(object):
             print(out_line[:-2])
             self.backtest_file.write(out_line)
 
-    def execute_signal(self, signal_event):       
-        side = signal_event.side
-        currency_pair = signal_event.instrument
-        units = int(self.trade_units)
-        time = signal_event.time
-        
-        # If there is no position, create one
-        if currency_pair not in self.positions:
-            if side == "buy":
-                position_type = "long"
+    def execute_signal(self, signal_event):
+        # Check that the prices ticker contains all necessary
+        # currency pairs prior to executing an order
+        execute = True
+        tp = self.ticker.prices
+        for pair in tp:
+            if tp[pair]["ask"] is None or tp[pair]["bid"] is None:
+                execute = False
+
+        # All necessary pricing data is available,
+        # we can execute
+        if execute:
+            side = signal_event.side
+            currency_pair = signal_event.instrument
+            units = int(self.trade_units)
+            time = signal_event.time
+            
+            # If there is no position, create one
+            if currency_pair not in self.positions:
+                if side == "buy":
+                    position_type = "long"
+                else:
+                    position_type = "short"
+                self.add_new_position(
+                    position_type, currency_pair, 
+                    units, self.ticker
+                )
+
+            # If a position exists add or remove units
             else:
-                position_type = "short"
-            self.add_new_position(
-                position_type, currency_pair, 
-                units, self.ticker
-            )
+                ps = self.positions[currency_pair]
 
-        # If a position exists add or remove units
+                if side == "buy" and ps.position_type == "long":
+                    add_position_units(currency_pair, units)
+
+                elif side == "sell" and ps.position_type == "long":
+                    if units == ps.units:
+                        self.close_position(currency_pair)
+                    # TODO: Allow units to be added/removed
+                    elif units < ps.units:
+                        return
+                    elif units > ps.units:
+                        return
+
+                elif side == "buy" and ps.position_type == "short":
+                    if units == ps.units:
+                        self.close_position(currency_pair)
+                    # TODO: Allow units to be added/removed
+                    elif units < ps.units:
+                        return
+                    elif units > ps.units:
+                        return
+                        
+                elif side == "sell" and ps.position_type == "short":
+                    add_position_units(currency_pair, units)
+
+            order = OrderEvent(currency_pair, units, "market", side)
+            self.events.put(order)
+
+            self.logger.info("Portfolio Balance: %s" % self.balance)
         else:
-            ps = self.positions[currency_pair]
-
-            if side == "buy" and ps.position_type == "long":
-                add_position_units(currency_pair, units)
-
-            elif side == "sell" and ps.position_type == "long":
-                if units == ps.units:
-                    self.close_position(currency_pair)
-                # TODO: Allow units to be added/removed
-                elif units < ps.units:
-                    return
-                elif units > ps.units:
-                    return
-
-            elif side == "buy" and ps.position_type == "short":
-                if units == ps.units:
-                    self.close_position(currency_pair)
-                # TODO: Allow units to be added/removed
-                elif units < ps.units:
-                    return
-                elif units > ps.units:
-                    return
-                    
-            elif side == "sell" and ps.position_type == "short":
-                add_position_units(currency_pair, units)
-
-        order = OrderEvent(currency_pair, units, "market", side)
-        self.events.put(order)
+            self.logger.info("Unable to execute order as price data was insufficient.")
         

portfolio/portfolio_test.py

@@ -212,7 +212,7 @@ class TestPortfolio(unittest.TestCase):
         )
         self.assertTrue(rpu)
         self.assertEqual(ps.units, Decimal("7000"))
-        self.assertEqual(self.port.balance, Decimal("99988.84"))
+        self.assertEqual(self.port.balance, Decimal("99988.83"))
 
     def test_close_position_long(self):
         position_type = "long"
@@ -265,7 +265,7 @@ class TestPortfolio(unittest.TestCase):
         cp = self.port.close_position(currency_pair)
         self.assertTrue(cp)
         self.assertRaises(ps)  # Key doesn't exist
-        self.assertEqual(self.port.balance, Decimal("100026.64"))
+        self.assertEqual(self.port.balance, Decimal("100026.63"))
 
     def test_close_position_short(self):
         position_type = "short"
@@ -312,13 +312,13 @@ class TestPortfolio(unittest.TestCase):
         )
         self.assertTrue(rpu)
         self.assertEqual(ps.units, Decimal("7000"))
-        self.assertEqual(self.port.balance, Decimal("99988.84"))
+        self.assertEqual(self.port.balance, Decimal("99988.83"))
 
         # Close the position
         cp = self.port.close_position(currency_pair)
         self.assertTrue(cp)
         self.assertRaises(ps)  # Key doesn't exist
-        self.assertEqual(self.port.balance, Decimal("99962.80"))
+        self.assertEqual(self.port.balance, Decimal("99962.77"))
 
 
 if __name__ == "__main__":

portfolio/position.py

@@ -24,7 +24,7 @@ class Position(object):
         ticker_cur = self.ticker.prices[self.currency_pair]
         if self.position_type == "long":
             self.avg_price = Decimal(str(ticker_cur["ask"]))
-            self.cur_price = Decimal(str(ticker_cur["bid"]))
+            self.cur_price = Decimal(str(ticker_cur["bid"]))    
         else:
             self.avg_price = Decimal(str(ticker_cur["bid"]))
             self.cur_price = Decimal(str(ticker_cur["ask"]))
@@ -83,11 +83,11 @@ class Position(object):
         ticker_cp = self.ticker.prices[self.currency_pair]
         ticker_qh = self.ticker.prices[self.quote_home_currency_pair]
         if self.position_type == "long":
-            remove_price = ticker_cp["ask"]
-            qh_close = ticker_qh["bid"]
-        else:
             remove_price = ticker_cp["bid"]
             qh_close = ticker_qh["ask"]
+        else:
+            remove_price = ticker_cp["ask"]
+            qh_close = ticker_qh["bid"]
         self.units -= dec_units
         self.update_position_price()
         # Calculate PnL
@@ -99,11 +99,9 @@ class Position(object):
         ticker_cp = self.ticker.prices[self.currency_pair]
         ticker_qh = self.ticker.prices[self.quote_home_currency_pair]
         if self.position_type == "long":
-            remove_price = ticker_cp["ask"]
-            qh_close = ticker_qh["bid"]
-        else:
-            remove_price = ticker_cp["bid"]
             qh_close = ticker_qh["ask"]
+        else:
+            qh_close = ticker_qh["bid"]
         self.update_position_price()
         # Calculate PnL
         pnl = self.calculate_pips() * qh_close * self.units

requirements.txt

@@ -7,7 +7,7 @@ pandas==0.16.1
 pyparsing==2.0.3
 python-dateutil==2.4.2
 pytz==2014.10
-requests==2.7.0
+requests==2.20.0
 scikit-learn==0.16.1
 scipy==0.15.1
 seaborn==0.5.1

strategy/strategy.py

@@ -20,7 +20,7 @@ class TestStrategy(object):
         self.invested = False
 
     def calculate_signals(self, event):
-        if event.type == 'TICK':
+        if event.type == 'TICK' and event.instrument == self.pairs[0]:
             if self.ticks % 5 == 0:
                 if self.invested == False:
                     signal = SignalEvent(self.pairs[0], "market", "buy", event.time)

trading/trading.py

@@ -1,5 +1,7 @@
 import copy
 from decimal import Decimal, getcontext
+import logging
+import logging.config
 try:
     import Queue as queue
 except ImportError:
@@ -30,16 +32,23 @@ def trade(events, strategy, portfolio, execution, heartbeat):
         else:
             if event is not None:
                 if event.type == 'TICK':
+                    logger.info("Received new tick event: %s", event)
                     strategy.calculate_signals(event)
                     portfolio.update_portfolio(event)
                 elif event.type == 'SIGNAL':
+                    logger.info("Received new signal event: %s", event)
                     portfolio.execute_signal(event)
                 elif event.type == 'ORDER':
+                    logger.info("Received new order event: %s", event)
                     execution.execute_order(event)
         time.sleep(heartbeat)
 
 
 if __name__ == "__main__":
+    # Set up logging
+    logging.config.fileConfig('../logging.conf')
+    logger = logging.getLogger('qsforex.trading.trading')
+
     # Set the number of decimal places to 2
     getcontext().prec = 2
 
@@ -47,8 +56,8 @@ if __name__ == "__main__":
     events = queue.Queue()
     equity = settings.EQUITY
 
-    # Trade "Cable"
-    pairs = ["GBPUSD"]
+    # Pairs to include in streaming data set
+    pairs = ["EURUSD", "GBPUSD"]
 
     # Create the OANDA market price streaming class
     # making sure to provide authentication commands
@@ -86,5 +95,7 @@ if __name__ == "__main__":
     price_thread = threading.Thread(target=prices.stream_to_queue, args=[])
     
     # Start both threads
+    logger.info("Starting trading thread")
     trade_thread.start()
+    logger.info("Starting price streaming thread")
     price_thread.start()