Allow different loglevels for message

freqtrade/pairlist/IPairList.py

@@ -67,21 +67,37 @@ class IPairList(ABC):
         """
 
     @staticmethod
-    def verify_blacklist(pairlist: List[str], blacklist: List[str]) -> List[str]:
+    def verify_blacklist(pairlist: List[str], blacklist: List[str],
+                         aswarning: bool) -> List[str]:
         """
         Verify and remove items from pairlist - returning a filtered pairlist.
+        Logs a warning or info depending on `aswarning`.
+        Pairlists explicitly using this method shall use `aswarning=False`!
+        :param pairlist: Pairlist to validate
+        :param blacklist: Blacklist to validate pairlist against
+        :param aswarning: Log message as Warning or info
+        :return: pairlist - blacklisted pairs
         """
         for pair in deepcopy(pairlist):
             if pair in blacklist:
-                logger.warning(f"Pair {pair} in your blacklist. Removing it from whitelist...")
+                if aswarning:
+                    logger.warning(f"Pair {pair} in your blacklist. Removing it from whitelist...")
+                else:
+                    logger.info(f"Pair {pair} in your blacklist. Removing it from whitelist...")
                 pairlist.remove(pair)
         return pairlist
 
-    def _verify_blacklist(self, pairlist: List[str]) -> List[str]:
+    def _verify_blacklist(self, pairlist: List[str], aswarning: bool = True) -> List[str]:
         """
         Proxy method to verify_blacklist for easy access for child classes.
+        Logs a warning or info depending on `aswarning`.
+        Pairlists explicitly using this method shall use aswarning=False!
+        :param pairlist: Pairlist to validate
+        :param aswarning: Log message as Warning or info.
+        :return: pairlist - blacklisted pairs
         """
-        return IPairList.verify_blacklist(pairlist, self._pairlistmanager.blacklist)
+        return IPairList.verify_blacklist(pairlist, self._pairlistmanager.blacklist,
+                                          aswarning=aswarning)
 
     def _whitelist_for_active_markets(self, pairlist: List[str]) -> List[str]:
         """

freqtrade/pairlist/VolumePairList.py

@@ -106,7 +106,7 @@ class VolumePairList(IPairList):
 
         # Validate whitelist to only have active market pairs
         pairs = self._whitelist_for_active_markets([s['symbol'] for s in sorted_tickers])
-        pairs = self._verify_blacklist(pairs)
+        pairs = self._verify_blacklist(pairs, aswarning=False)
         # Limit to X number of pairs
         pairs = pairs[:self._number_pairs]
         logger.info(f"Searching {self._number_pairs} pairs: {pairs}")

freqtrade/pairlist/pairlistmanager.py

@@ -91,6 +91,6 @@ class PairListManager():
             pairlist = pl.filter_pairlist(pairlist, tickers)
 
         # Validation against blacklist happens after the pairlists to ensure blacklist is respected.
-        pairlist = IPairList.verify_blacklist(pairlist, self.blacklist)
+        pairlist = IPairList.verify_blacklist(pairlist, self.blacklist, True)
 
         self._whitelist = pairlist