Add "is_pairlist_generator" field to pairlists

freqtrade/plugins/pairlist/IPairList.py

@@ -45,6 +45,8 @@ PairlistParameter = Union[
 
 class IPairList(LoggingMixin, ABC):
 
+    is_pairlist_generator = False
+
     def __init__(self, exchange: Exchange, pairlistmanager,
                  config: Config, pairlistconfig: Dict[str, Any],
                  pairlist_pos: int) -> None:

freqtrade/plugins/pairlist/ProducerPairList.py

@@ -28,6 +28,7 @@ class ProducerPairList(IPairList):
             }
         ],
     """
+    is_pairlist_generator = True
 
     def __init__(self, exchange, pairlistmanager,
                  config: Dict[str, Any], pairlistconfig: Dict[str, Any],

freqtrade/plugins/pairlist/RemotePairList.py

@@ -23,6 +23,8 @@ logger = logging.getLogger(__name__)
 
 class RemotePairList(IPairList):
 
+    is_pairlist_generator = True
+
     def __init__(self, exchange, pairlistmanager,
                  config: Config, pairlistconfig: Dict[str, Any],
                  pairlist_pos: int) -> None:

freqtrade/plugins/pairlist/StaticPairList.py

@@ -17,6 +17,8 @@ logger = logging.getLogger(__name__)
 
 class StaticPairList(IPairList):
 
+    is_pairlist_generator = True
+
     def __init__(self, exchange, pairlistmanager,
                  config: Config, pairlistconfig: Dict[str, Any],
                  pairlist_pos: int) -> None:

freqtrade/plugins/pairlist/VolumePairList.py

@@ -25,6 +25,8 @@ SORT_VALUES = ['quoteVolume']
 
 class VolumePairList(IPairList):
 
+    is_pairlist_generator = True
+
     def __init__(self, exchange, pairlistmanager,
                  config: Config, pairlistconfig: Dict[str, Any],
                  pairlist_pos: int) -> None: