use 'v[0] == "c"' instead of 'v.startswith("c")'

gallery_dl/extractor/deviantart.py

@@ -401,7 +401,7 @@ class DeviantartExtractor(Extractor):
         html = content["html"]
         markup = html["markup"]
 
-        if not markup.startswith("{"):
+        if not markup or markup[0] != "{":
             return markup
 
         if html["type"] == "tiptap":

gallery_dl/extractor/exhentai.py

@@ -260,9 +260,9 @@ class ExhentaiGalleryExtractor(ExhentaiExtractor):
             "torrentcount" : extr('>Torrent Download (', ')'),
         }
 
-        if data["uploader"].startswith("<"):
-            data["uploader"] = text.unescape(text.extr(
-                data["uploader"], ">", "<"))
+        uploader = data["uploader"]
+        if uploader and uploader[0] == "<":
+            data["uploader"] = text.unescape(text.extr(uploader, ">", "<"))
 
         f = data["favorites"][0]
         if f == "N":

gallery_dl/extractor/foolfuuka.py

@@ -37,7 +37,7 @@ class FoolfuukaExtractor(BaseExtractor):
 
             if not url and "remote_media_link" in media:
                 url = self.remote(media)
-            if url.startswith("/"):
+            if url and url[0] == "/":
                 url = self.root + url
 
             post["filename"], _, post["extension"] = \

gallery_dl/extractor/mangakakalot.py

@@ -19,7 +19,7 @@ BASE_PATTERN = r"(?:https?://)?(?:ww[\dw]?\.)?mangakakalot\.tv"
 class MangakakalotBase():
     """Base class for mangakakalot extractors"""
     category = "mangakakalot"
-    root = "https://ww6.mangakakalot.tv"
+    root = "https://ww8.mangakakalot.tv"
 
 
 class MangakakalotChapterExtractor(MangakakalotBase, ChapterExtractor):
@@ -40,7 +40,7 @@ class MangakakalotChapterExtractor(MangakakalotBase, ChapterExtractor):
         match = re.match(
             r"(?:[Vv]ol\. *(\d+) )?"
             r"[Cc]hapter *([^:]*)"
-            r"(?:: *(.+))?", info)
+            r"(?:: *(.+))?", info or "")
         volume, chapter, title = match.groups() if match else ("", "", info)
         chapter, sep, minor = chapter.partition(".")
 
@@ -86,7 +86,7 @@ class MangakakalotMangaExtractor(MangakakalotBase, MangaExtractor):
             data["chapter"] = text.parse_int(chapter)
             data["chapter_minor"] = sep + minor
 
-            if url.startswith("/"):
+            if url[0] == "/":
                 url = self.root + url
             results.append((url, data.copy()))
         return results

gallery_dl/extractor/postmill.py

@@ -50,7 +50,7 @@ class PostmillExtractor(BaseExtractor):
             forum = match.group(1)
             id = int(match.group(2))
 
-            is_text_post = url.startswith("/")
+            is_text_post = (url[0] == "/")
             is_image_post = self._search_image_tag(page) is not None
             data = {
                 "title": title,

gallery_dl/extractor/telegraph.py

@@ -49,7 +49,7 @@ class TelegraphGalleryExtractor(GalleryExtractor):
             url, pos = text.extract(figure, 'src="', '"')
             if url.startswith("/embed/"):
                 continue
-            elif url.startswith("/"):
+            elif url[0] == "/":
                 url = self.root + url
             caption, pos = text.extract(figure, "<figcaption>", "<", pos)
             num += 1

gallery_dl/extractor/tsumino.py

@@ -148,8 +148,10 @@ class TsuminoSearchExtractor(TsuminoBase, Extractor):
             data["PageNumber"] += 1
 
     def _parse(self, query):
+        if not query:
+            return {}
         try:
-            if query.startswith("?"):
+            if query[0] == "?":
                 return self._parse_simple(query)
             return self._parse_jsurl(query)
         except Exception as exc:
@@ -187,8 +189,6 @@ class TsuminoSearchExtractor(TsuminoBase, Extractor):
         Example: ~(name~'John*20Doe~age~42~children~(~'Mary~'Bill))
         Ref: https://github.com/Sage/jsurl
         """
-        if not data:
-            return {}
         i = 0
         imax = len(data)