From 98f9d7cc21e00a8b47e053051a92ea044c43b215 Mon Sep 17 00:00:00 2001
From: Janne Sinivirta <janne.sinivirta@gmail.com>
Date: Sun, 27 Aug 2017 16:50:59 +0300
Subject: [PATCH] use lazy-evaluating form of logger (pylint W1202)

---
 analyze.py      |  2 +-
 main.py         | 12 ++++++------
 rpc/telegram.py |  6 +++---
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/analyze.py b/analyze.py
index bc14b439e..1e53ffdd5 100644
--- a/analyze.py
+++ b/analyze.py
@@ -89,7 +89,7 @@ def get_buy_signal(pair):
         return False
 
     signal = latest['underpriced'] == 1
-    logger.debug('buy_trigger: {} (pair={}, signal={})'.format(latest['date'], pair, signal))
+    logger.debug('buy_trigger: %s (pair=%s, signal=%s)', latest['date'], pair, signal)
     return signal
 
 
diff --git a/main.py b/main.py
index 7a60a73f8..d6e6b6701 100755
--- a/main.py
+++ b/main.py
@@ -109,7 +109,7 @@ class TradeThread(threading.Thread):
             trade.open_order_id = None
             # Check if this trade can be marked as closed
             if close_trade_if_fulfilled(trade):
-                logger.info('No open orders found and trade is fulfilled. Marking {} as closed ...'.format(trade))
+                logger.info('No open orders found and trade is fulfilled. Marking %s as closed ...', trade)
                 continue
 
             # Check if we can sell our current pair
@@ -144,7 +144,7 @@ def handle_trade(trade):
         if not trade.is_open:
             raise ValueError('attempt to handle closed trade: {}'.format(trade))
 
-        logger.debug('Handling open trade {} ...'.format(trade))
+        logger.debug('Handling open trade %s ...', trade)
         # Get current rate
         current_rate = api_wrapper.get_ticker(trade.pair)['bid']
         current_profit = 100 * ((current_rate - trade.open_rate) / trade.open_rate)
@@ -171,7 +171,7 @@ def handle_trade(trade):
                 TelegramHandler.send_msg(message)
                 return
         else:
-            logger.debug('Threshold not reached. (cur_profit: {}%)'.format(round(current_profit, 2)))
+            logger.debug('Threshold not reached. (cur_profit: %1.2f%%)', current_profit)
     except ValueError:
         logger.exception('Unable to handle open order')
 
@@ -182,7 +182,7 @@ def create_trade(stake_amount: float, exchange):
     :param stake_amount: amount of btc to spend
     :param exchange: exchange to use
     """
-    logger.info('Creating new trade with stake_amount: {} ...'.format(stake_amount))
+    logger.info('Creating new trade with stake_amount: %f ...', stake_amount)
     whitelist = CONFIG[exchange.name.lower()]['pair_whitelist']
     # Check if btc_amount is fulfilled
     if api_wrapper.get_balance(CONFIG['stake_currency']) < stake_amount:
@@ -196,7 +196,7 @@ def create_trade(stake_amount: float, exchange):
     for trade in trades:
         if trade.pair in whitelist:
             whitelist.remove(trade.pair)
-            logger.debug('Ignoring {} in pair whitelist'.format(trade.pair))
+            logger.debug('Ignoring %s in pair whitelist', trade.pair)
     if not whitelist:
         raise ValueError('No pair in whitelist')
 
@@ -231,7 +231,7 @@ def create_trade(stake_amount: float, exchange):
 
 
 if __name__ == '__main__':
-    logger.info('Starting freqtrade {}'.format(__version__))
+    logger.info('Starting freqtrade %s', __version__)
     TelegramHandler.listen()
     while True:
         time.sleep(0.5)
diff --git a/rpc/telegram.py b/rpc/telegram.py
index 1c6c1225f..7c18ec691 100644
--- a/rpc/telegram.py
+++ b/rpc/telegram.py
@@ -36,10 +36,10 @@ def authorized_only(command_handler):
 
         chat_id = int(conf['telegram']['chat_id'])
         if int(update.message.chat_id) == chat_id:
-            logger.info('Executing handler: {} for chat_id: {}'.format(command_handler.__name__, chat_id))
+            logger.info('Executing handler: %s for chat_id: %s', command_handler.__name__, chat_id)
             return command_handler(*args, **kwargs)
         else:
-            logger.info('Rejected unauthorized message from: {}'.format(update.message.chat_id))
+            logger.info('Rejected unauthorized message from: %s', update.message.chat_id)
     return wrapper
 
 
@@ -307,7 +307,7 @@ class TelegramHandler(object):
                 except NetworkError as error:
                     # Sometimes the telegram server resets the current connection,
                     # if this is the case we send the message again.
-                    logger.warning('Got Telegram NetworkError: {}! trying one more time'.format(error.message))
+                    logger.warning('Got Telegram NetworkError: %s! Trying one more time.', error.message)
                     bot.send_message(conf['telegram']['chat_id'], msg, parse_mode=parse_mode)
             except Exception:
                 logger.exception('Exception occurred within Telegram API')