[cien] add 'files' option (#2885)

docs/configuration.rst

@@ -1448,6 +1448,22 @@ Description
     Process reposts.
 
 
+extractor.cien.files
+--------------------
+Type
+    ``list`` of ``strings``
+Default
+    ``["image", "video", "download", "gallery"]``
+Description
+    Determines the type and order of files to be downloaded.
+
+    Available types are
+    ``image``,
+    ``video``,
+    ``download``,
+    ``gallery``.
+
+
 extractor.cyberdrop.domain
 --------------------------
 Type

gallery_dl/extractor/cien.py

@@ -82,10 +82,24 @@ class CienArticleExtractor(CienExtractor):
     def _extract_files(self, page):
         files = []
 
-        self._extract_files_image(page, files)
-        self._extract_files_video(page, files)
-        self._extract_files_attachment(page, files)
-        self._extract_files_gallery(page, files)
+        filetypes = self.config("files")
+        if filetypes is None:
+            self._extract_files_image(page, files)
+            self._extract_files_video(page, files)
+            self._extract_files_download(page, files)
+            self._extract_files_gallery(page, files)
+        else:
+            generators = {
+                "image"   : self._extract_files_image,
+                "video"   : self._extract_files_video,
+                "download": self._extract_files_download,
+                "gallery" : self._extract_files_gallery,
+                "gallerie": self._extract_files_gallery,
+            }
+            if isinstance(filetypes, str):
+                filetypes = filetypes.split(",")
+            for ft in filetypes:
+                generators[ft.rstrip("s")](page, files)
 
         return files
 
@@ -114,14 +128,14 @@ class CienArticleExtractor(CienExtractor):
             file["type"] = "video"
             files.append(file)
 
-    def _extract_files_attachment(self, page, files):
+    def _extract_files_download(self, page, files):
         for download in text.extract_iter(
                 page, 'class="downloadBlock', "</div>"):
             name = text.extr(download, "<p>", "<")
 
             file = text.nameext_from_url(name.rpartition(" ")[0])
             file["url"] = text.extr(download, ' href="', '"')
-            file["type"] = "attachment"
+            file["type"] = "download"
             files.append(file)
 
     def _extract_files_gallery(self, page, files):

test/results/cien.py

@@ -50,12 +50,12 @@ __tests__ = (
     "#url"     : "https://ci-en.dlsite.com/creator/25509/article/1172460",
     "#category": ("", "cien", "article"),
     "#class"   : cien.CienArticleExtractor,
-    "#range"   : "3",
+    "#options" : {"files": "download"},
     "#pattern" : r"https://media\.ci-en\.jp/private/attachment/creator/00025509/7fd3c039d2277ba9541e82592aca6f6751f6c268404038ccbf1112bcf2f93357/upload/.+\.zip\?px-time=.+",
 
     "filename" : "VP 1.05.4 Tim-v9 ENG rec v3",
     "extension": "zip",
-    "type"     : "attachment",
+    "type"     : "download",
 },
 
 {