[rule34vault] Added initial support for rule34vault.com

- Added playlists support for rule34vault
- Added support for posts in rule34vault
- Fixed supported sites with script
- Fixed posts pattern in rule34vault
- Added tests for rule34vault
- Clean
- Fixed lint warnings

gallery_dl/extractor/__init__.py

@@ -139,6 +139,7 @@ modules = [
     "reddit",
     "redgifs",
     "rule34us",
+    "rule34vault",
     "sankaku",
     "sankakucomplex",
     "seiga",

gallery_dl/extractor/rule34vault.py

@@ -0,0 +1,130 @@
+# -*- coding: utf-8 -*-
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+"""Extractors for https://rule34vault.com/"""
+
+from .booru import BooruExtractor
+from .. import text
+
+
+class Rule34vaultExtractor(BooruExtractor):
+    category = "rule34vault"
+    root = "https://rule34vault.com"
+    cdn_root = "https://r34xyz.b-cdn.net"
+    filename_fmt = "{category}_{id}.{extension}"
+    per_page = 100
+
+    def _get_file_url(self, post_id, filetype):
+        extension = "jpg" if filetype == "image" else "mp4"
+        return "{}/posts/{}/{}/{}.{}".format(self.cdn_root,
+                                             post_id // 1000,
+                                             post_id,
+                                             post_id,
+                                             extension)
+
+    def _parse_post(self, post_id):
+        url = "{}/api/v2/post/{}".format(self.root, post_id)
+        data = self.request(url).json()
+
+        tags = " ".join(t["value"].replace(" ", "_") for t in data["tags"])
+        post = {
+            "id": post_id,
+            "tags": tags,
+            "uploader": data["uploader"]["userName"],
+            "score": data.get("likes") or 0,
+            "width": data["width"],
+            "height": data["height"],
+        }
+        post["file_url"] = self._get_file_url(post_id,
+                                              "image" if data['type'] == 0
+                                              else "video")
+
+        return post
+
+
+class Rule34vaultPostExtractor(Rule34vaultExtractor):
+    subcategory = "post"
+    archive_fmt = "{id}"
+    pattern = r"(?:https?://)?rule34vault\.com/post/(\d+)"
+    example = "https://rule34vault.com/post/399437"
+
+    def __init__(self, match):
+        Rule34vaultExtractor.__init__(self, match)
+        self.post_id = int(match.group(1))
+
+    def posts(self):
+        return (self._parse_post(self.post_id),)
+
+
+class Rule34vaultPlaylistExtractor(Rule34vaultExtractor):
+    subcategory = "playlist"
+    directory_fmt = ("{category}", "{playlist_id}")
+    archive_fmt = "t_{playlist_id}_{id}"
+    pattern = r"(?:https?://)?rule34vault\.com/playlists/view/(\d+)"
+    example = "https://rule34vault.com/playlists/view/2"
+
+    def __init__(self, match):
+        Rule34vaultExtractor.__init__(self, match)
+        self.playlist_id = match.group(1)
+
+    def metadata(self):
+        return {"playlist_id": self.playlist_id}
+
+    def posts(self):
+        url = "{}/api/v2/post/search/playlist/{}".format(self.root,
+                                                         self.playlist_id)
+        current_page = self.page_start
+
+        while True:
+            payload = {
+                "CountTotal": True,
+                "Skip": current_page * self.per_page,
+                "take": self.per_page,
+            }
+            data = self.request(url, method="POST", json=payload).json()
+
+            for post in data["items"]:
+                yield self._parse_post(post["id"])
+
+            if current_page * self.per_page > data["totalCount"]:
+                return
+            current_page += 1
+
+
+class Rule34vaultTagExtractor(Rule34vaultExtractor):
+    subcategory = "tag"
+    directory_fmt = ("{category}", "{search_tags}")
+    archive_fmt = "t_{search_tags}_{id}"
+    pattern = r"(?:https?://)?rule34vault\.com/([^/?#]+)$"
+    example = "https://rule34vault.com/not_porn"
+
+    def __init__(self, match):
+        Rule34vaultExtractor.__init__(self, match)
+        self.tags_ = text.unquote(match.group(1)).split("%7C")
+        self.tags = [t.replace("_", " ") for t in self.tags_]
+
+    def metadata(self):
+        return {"search_tags": " ".join(self.tags_)}
+
+    def posts(self):
+        url = '{}/api/v2/post/search/root'.format(self.root)
+        current_page = self.page_start
+
+        while True:
+            payload = {
+                "CountTotal": True,
+                "Skip": current_page * self.per_page,
+                "take": self.per_page,
+                "includeTags": self.tags,
+            }
+            data = self.request(url, method="POST", json=payload).json()
+
+            for post in data["items"]:
+                yield self._parse_post(post["id"])
+
+            if current_page * self.per_page > data['totalCount']:
+                return
+            current_page += 1