allow blacklist/whitelist to be empty lists/strings (#1051)

mikf · Oct 8, 2020 · fd20093 · fd20093
1 parent 3ebb174
commit fd20093
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/gallery_dl/job.py b/gallery_dl/job.py
@@ -453,15 +453,15 @@ def initialize(self, kwdict=None):
 
     def _build_blacklist(self):
         wlist = self.extractor.config("whitelist")
-        if wlist:
+        if wlist is not None:
             if isinstance(wlist, str):
                 wlist = wlist.split(",")
             blist = {e.category for e in extractor._list_classes()}
             blist.difference_update(wlist)
             return blist
 
         blist = self.extractor.config("blacklist")
-        if blist:
+        if blist is not None:
             if isinstance(blist, str):
                 blist = blist.split(",")
             blist = set(blist)