[text] add second argument to 'parse_query_list()' (#7138)

return only values whose name is in 'as_list' as a list

gallery_dl/extractor/civitai.py

@@ -372,7 +372,8 @@ class CivitaiUserImagesExtractor(CivitaiExtractor):
     example = "https://civitai.com/user/USER/images"
 
     def __init__(self, match):
-        self.params = text.parse_query_list(match.group(2))
+        self.params = text.parse_query_list(
+            match.group(2), {"reactions"})
         if self.params.get("section") == "reactions":
             self.subcategory = "reactions"
             self.images = self.images_reactions
@@ -392,12 +393,8 @@ class CivitaiUserImagesExtractor(CivitaiExtractor):
         params = self.params
         params["authed"] = True
         params["useIndex"] = False
-        if "reactions" in params:
-            if isinstance(params["reactions"], str):
-                params["reactions"] = (params["reactions"],)
-        else:
-            params["reactions"] = (
-                "Like", "Dislike", "Heart", "Laugh", "Cry")
+        if "reactions" not in params:
+            params["reactions"] = ("Like", "Dislike", "Heart", "Laugh", "Cry")
         return self.api.images(params)
 
 

gallery_dl/extractor/itaku.py

@@ -80,7 +80,8 @@ class ItakuSearchExtractor(ItakuExtractor):
     example = "https://itaku.ee/home/images?tags=SEARCH"
 
     def posts(self):
-        params = text.parse_query_list(self.groups[0])
+        params = text.parse_query_list(
+            self.groups[0], {"tags", "maturity_rating"})
         return self.api.search_images(params)
 
 
@@ -99,13 +100,7 @@ class ItakuAPI():
         negative_tags = []
         optional_tags = []
 
-        tags = params.pop("tags", None)
-        if not tags:
-            tags = ()
-        elif isinstance(tags, str):
-            tags = (tags,)
-
-        for tag in tags:
+        for tag in params.pop("tags", None) or ():
             if not tag:
                 pass
             elif tag[0] == "-":