[arcalife] add 'gifs' option (#5657)

docs/configuration.rst

@@ -1405,6 +1405,17 @@ Description
     Download emoticon images.
 
 
+extractor.arcalive.gifs
+-----------------------
+Type
+    ``bool``
+Default
+    ``true``
+Description
+    Check if ``.mp4`` videos have a ``.gif`` version
+    and download those instead.
+
+
 extractor.artstation.external
 -----------------------------
 Type

docs/gallery-dl.conf

@@ -103,7 +103,8 @@
         {
             "sleep-request": "0.5-1.5",
 
-            "emoticons": false
+            "emoticons": false,
+            "gifs"     : true
         },
         "artstation":
         {

gallery_dl/extractor/arcalive.py

@@ -41,6 +41,7 @@ class ArcalivePostExtractor(ArcaliveExtractor):
 
     def items(self):
         self.emoticons = self.config("emoticons", False)
+        self.gifs = self.config("gifs", True)
 
         post = self.api.post(self.groups[0])
         files = self._extract_files(post)
@@ -61,7 +62,7 @@ class ArcalivePostExtractor(ArcaliveExtractor):
     def _extract_files(self, post):
         files = []
 
-        for media in self._extract_media(post["content"]):
+        for video, media in self._extract_media(post["content"]):
 
             if not self.emoticons and 'class="arca-emoticon"' in media:
                 continue
@@ -87,6 +88,13 @@ class ArcalivePostExtractor(ArcaliveExtractor):
                 if ext != orig:
                     fallback = (url + "?type=orig",)
                     url = path + "." + orig
+            elif video and self.gifs:
+                url_gif = url.rpartition(".")[0] + ".gif"
+                response = self.request(
+                    url_gif + "?type=orig", method="HEAD", fatal=False)
+                if response.status_code < 400:
+                    fallback = (url + "?type=orig",)
+                    url = url_gif
 
             files.append({
                 "url"   : url + "?type=orig",
@@ -99,7 +107,7 @@ class ArcalivePostExtractor(ArcaliveExtractor):
 
     def _extract_media(self, content):
         ArcalivePostExtractor._extract_media = extr = re.compile(
-            r"<(?:img|video) ([^>]+)").findall
+            r"<(?:img|vide(o)) ([^>]+)").findall
         return extr(content)
 
 

test/results/arcalive.py

@@ -86,7 +86,7 @@ __tests__ = (
 
 {
     "#url"    : "https://arca.live/b/bluearchive/117240135",
-    "#comment": "video",
+    "#comment": ".mp4 video",
     "#class"  : arcalive.ArcalivePostExtractor,
     "#urls"   : "https://ac.namu.la/20240926sac/16f07778a97f91b935c8a3394ead01a223d96b2a619fdb25c4628ddba88b5fad.mp4?type=orig",
 },
@@ -94,10 +94,8 @@ __tests__ = (
 {
     "#url"    : "https://arca.live/b/bluearchive/111191955",
     "#comment": "fake .mp4 GIF",
-    "#skip"   : "not implemented",
     "#class"  : arcalive.ArcalivePostExtractor,
-    #  "#urls"   : "https://ac.namu.la/20240714sac/c8fcadeb0b578e5121eb7a7e8fb05984cb87c68e7a6e0481a1c8869bf0ecfd2b.gif?type=orig",
+    "#urls"   : "https://ac.namu.la/20240714sac/c8fcadeb0b578e5121eb7a7e8fb05984cb87c68e7a6e0481a1c8869bf0ecfd2b.gif?type=orig",
-    "#urls"   : "https://ac.namu.la/20240714sac/c8fcadeb0b578e5121eb7a7e8fb05984cb87c68e7a6e0481a1c8869bf0ecfd2b.mp4?type=orig",
 },
 
 {