Show only selected warnings using the force_show parameter

freqtrade/mixins/logging_mixin.py

@@ -20,21 +20,23 @@ class LoggingMixin:
         self.refresh_period = refresh_period
         self._log_cache: TTLCache = TTLCache(maxsize=1024, ttl=self.refresh_period)
 
-    def log_once(self, message: str, logmethod: Callable) -> None:
+    def log_once(self, message: str, logmethod: Callable, force_show: bool = False) -> None:
         """
         Logs message - not more often than "refresh_period" to avoid log spamming
         Logs the log-message as debug as well to simplify debugging.
         :param message: String containing the message to be sent to the function.
         :param logmethod: Function that'll be called. Most likely `logger.info`.
+        :param force_show: If True, sends the message regardless of show_output value.
         :return: None.
         """
-
         @cached(cache=self._log_cache)
         def _log_once(message: str):
             logmethod(message)
 
         # Log as debug first
         self.logger.debug(message)
-        # Call hidden function.
-        if self.show_output:
+
+        # Call hidden function if show_output is True or force_show is True
+        if self.show_output or force_show:
             _log_once(message)
+

freqtrade/plugins/pairlist/IPairList.py

@@ -237,11 +237,6 @@ class IPairList(LoggingMixin, ABC):
         :return: the list of pairs the user wants to trade without those unavailable or
         black_listed
         """
-
-        # Save show_output value and set it to True
-        prev_show_output = self.show_output
-        self.show_output = True
-
         markets = self._exchange.markets
         if not markets:
             raise OperationalException(
@@ -256,6 +251,7 @@ class IPairList(LoggingMixin, ABC):
                     f"Pair {pair} is not compatible with exchange "
                     f"{self._exchange.name}. Removing it from whitelist..",
                     logger.warning,
+                    True,
                 )
                 continue
 
@@ -263,6 +259,7 @@ class IPairList(LoggingMixin, ABC):
                 self.log_once(
                     f"Pair {pair} is not tradable with Freqtrade. Removing it from whitelist..",
                     logger.warning,
+                    True,
                 )
                 continue
 
@@ -271,19 +268,21 @@ class IPairList(LoggingMixin, ABC):
                     f"Pair {pair} is not compatible with your stake currency "
                     f"{self._config['stake_currency']}. Removing it from whitelist..",
                     logger.warning,
+                    True,
                 )
                 continue
 
             # Check if market is active
             market = markets[pair]
             if not market_is_active(market):
-                self.log_once(f"Ignoring {pair} from whitelist. Market is not active.", logger.info)
+                self.log_once(
+                    f"Ignoring {pair} from whitelist. Market is not active.",
+                    logger.info,
+                    True,
+                )
                 continue
             if pair not in sanitized_whitelist:
                 sanitized_whitelist.append(pair)
 
-        # Return show_output to its previous value
-        self.show_output = prev_show_output
-
         # We need to remove pairs that are unknown
         return sanitized_whitelist