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339 lines
12 KiB
339 lines
12 KiB
# -*- coding: utf-8 -*-
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# Copyright 2018 Mike Fährmann
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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"""Extract images from https://www.artstation.com/"""
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from .common import Extractor, Message
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from .. import text, util, exception
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import random
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import string
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class ArtstationExtractor(Extractor):
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"""Base class for artstation extractors"""
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category = "artstation"
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filename_fmt = "{category}_{id}_{asset[id]}_{title}.{extension}"
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directory_fmt = ["{category}", "{userinfo[username]}"]
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archive_fmt = "{asset[id]}"
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root = "https://www.artstation.com"
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def __init__(self, match=None):
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Extractor.__init__(self)
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self.user = match.group(1) if match else None
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self.external = self.config("external", False)
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def items(self):
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data = self.metadata()
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yield Message.Version, 1
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yield Message.Directory, data
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for project in self.projects():
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for asset in self.get_project_assets(project["hash_id"]):
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adict = asset["asset"]
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if data:
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asset.update(data)
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if adict["has_image"]:
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url = adict["image_url"]
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text.nameext_from_url(url, asset)
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yield Message.Url, self._no_cache(url), asset
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if adict["has_embedded_player"] and self.external:
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url = text.extract(adict["player_embedded"], '"', '"')[0]
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yield Message.Queue, url, asset
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def metadata(self):
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"""Return general metadata"""
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return {"userinfo": self.get_user_info(self.user)}
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def projects(self):
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"""Return an iterable containing all relevant project IDs"""
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def get_project_assets(self, project_id):
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"""Return all assets associated with 'project_id'"""
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url = "{}/projects/{}.json".format(self.root, project_id)
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data = self.request(url).json()
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data["title"] = text.unescape(data["title"])
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data["description"] = text.unescape(text.remove_html(
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data["description"]))
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assets = data["assets"]
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del data["assets"]
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for asset in assets:
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data["asset"] = asset
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yield data
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def get_user_info(self, username):
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"""Return metadata for a specific user"""
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url = "{}/users/{}/quick.json".format(self.root, username.lower())
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response = self.request(url, fatal=False)
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if response.status_code == 404:
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raise exception.NotFoundError("user")
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return response.json()
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def _pagination(self, url, params=None):
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if not params:
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params = {}
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params["page"] = 1
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total = 0
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while True:
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data = self.request(url, params=params).json()
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yield from data["data"]
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total += len(data["data"])
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if total >= data["total_count"]:
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return
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params["page"] += 1
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@staticmethod
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def _no_cache(url, alphabet=(string.digits + string.ascii_letters)):
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"""Cause a cache miss to prevent Cloudflare 'optimizations'
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Cloudflare's 'Polish' optimization strips image metadata and may even
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recompress an image as lossy JPEG. This can be prevented by causing
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a cache miss when requesting an image by adding a random dummy query
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parameter.
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Ref:
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https://github.com/r888888888/danbooru/issues/3528
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https://danbooru.donmai.us/forum_topics/14952
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"""
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param = "gallerydl_no_cache=" + util.bencode(
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random.getrandbits(64), alphabet)
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sep = "&" if "?" in url else "?"
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return url + sep + param
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class ArtstationUserExtractor(ArtstationExtractor):
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"""Extractor for all projects of an artstation user"""
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subcategory = "user"
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pattern = [r"(?:https?://)?(?:www\.)?artstation\.com"
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r"/(?!artwork|projects|search)([^/?&#]+)(?:/albums/all)?/?$",
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r"(?:https?://)?((?!www)\w+)\.artstation\.com"
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r"(?:/(?:projects/?)?)?$"]
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test = [
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("https://www.artstation.com/gaerikim/", {
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"pattern": r"https://\w+\.artstation\.com/p/assets"
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r"/images/images/\d+/\d+/\d+/large/[^/]+",
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"count": ">= 6",
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}),
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("https://www.artstation.com/gaerikim/albums/all/", None),
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("https://gaerikim.artstation.com/", None),
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("https://gaerikim.artstation.com/projects/", None),
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]
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def projects(self):
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url = "{}/users/{}/projects.json".format(self.root, self.user)
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return self._pagination(url)
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class ArtstationAlbumExtractor(ArtstationExtractor):
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"""Extractor for all projects in an artstation album"""
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subcategory = "album"
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directory_fmt = ["{category}", "{userinfo[username]}", "Albums",
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"{album[id]} - {album[title]}"]
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archive_fmt = "a_{album[id]}_{asset[id]}"
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pattern = [r"(?:https?://)?(?:www\.)?artstation\.com"
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r"/(?!artwork|projects|search)([^/?&#]+)/albums/(\d+)",
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r"(?:https?://)?((?!www)\w+)\.artstation\.com"
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r"/albums/(\d+)"]
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test = [
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("https://www.artstation.com/huimeiye/albums/770899", {
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"count": 2,
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}),
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("https://www.artstation.com/huimeiye/albums/770898", {
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"exception": exception.NotFoundError,
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}),
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("https://huimeiye.artstation.com/albums/770899", None),
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]
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def __init__(self, match):
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ArtstationExtractor.__init__(self, match)
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self.album_id = text.parse_int(match.group(2))
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def metadata(self):
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userinfo = self.get_user_info(self.user)
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album = None
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for album in userinfo["albums_with_community_projects"]:
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if album["id"] == self.album_id:
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break
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else:
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raise exception.NotFoundError("album")
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return {
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"userinfo": userinfo,
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"album": album
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}
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def projects(self):
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url = "{}/users/{}/projects.json".format(self.root, self.user)
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params = {"album_id": self.album_id}
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return self._pagination(url, params)
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class ArtstationLikesExtractor(ArtstationExtractor):
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"""Extractor for liked projects of an artstation user"""
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subcategory = "likes"
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directory_fmt = ["{category}", "{userinfo[username]}", "Likes"]
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archive_fmt = "f_{userinfo[id]}_{asset[id]}"
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pattern = [r"(?:https?://)?(?:www\.)?artstation\.com"
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r"/(?!artwork|projects|search)([^/?&#]+)/likes/?"]
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test = [
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("https://www.artstation.com/dcchris/likes", {
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"count": ">= 3",
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}),
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# no likes
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("https://www.artstation.com/sungchoi/likes", {
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"count": 0,
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}),
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]
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def projects(self):
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url = "{}/users/{}/likes.json".format(self.root, self.user)
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return self._pagination(url)
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class ArtstationChallengeExtractor(ArtstationExtractor):
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"""Extractor for submissions of artstation challenges"""
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subcategory = "challenge"
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filename_fmt = "{submission_id}_{asset_id}_{name}.{extension}"
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directory_fmt = ["{category}", "Challenges",
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"{challenge[id]} - {challenge[title]}"]
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archive_fmt = "c_{challenge[id]}_{asset_id}"
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pattern = [r"(?:https?://)?(?:www\.)?artstation\.com"
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r"/contests/[^/?&#]+/challenges/(\d+)"
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r"/?(?:\?sorting=([a-z]+))?"]
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test = [
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(("https://www.artstation.com/contests/thu-2017/challenges/20"), None),
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(("https://www.artstation.com/contests/beyond-human"
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"/challenges/23?sorting=winners"), {
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"count": 203,
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}),
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]
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def __init__(self, match):
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ArtstationExtractor.__init__(self)
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self.challenge_id = match.group(1)
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self.sorting = match.group(2) or "popular"
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def items(self):
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challenge_url = "{}/contests/_/challenges/{}.json".format(
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self.root, self.challenge_id)
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submission_url = "{}/contests/_/challenges/{}/submissions.json".format(
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self.root, self.challenge_id)
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update_url = "{}/contests/submission_updates.json".format(
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self.root)
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challenge = self.request(challenge_url).json()
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yield Message.Version, 1
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yield Message.Directory, {"challenge": challenge}
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params = {"sorting": self.sorting}
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for submission in self._pagination(submission_url, params):
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params = {"submission_id": submission["id"]}
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for update in self._pagination(update_url, params=params):
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del update["replies"]
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update["challenge"] = challenge
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for url in text.extract_iter(
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update["body_presentation_html"], ' href="', '"'):
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update["asset_id"] = self._id_from_url(url)
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text.nameext_from_url(url, update)
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yield Message.Url, self._no_cache(url), update
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@staticmethod
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def _id_from_url(url):
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"""Get an image's submission ID from its URL"""
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parts = url.split("/")
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return text.parse_int("".join(parts[7:10]))
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class ArtstationSearchExtractor(ArtstationExtractor):
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"""Extractor for artstation search results"""
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subcategory = "search"
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directory_fmt = ["{category}", "Searches", "{search[searchterm]}"]
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archive_fmt = "s_{search[searchterm]}_{asset[id]}"
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pattern = [r"(?:https?://)?(?:\w+\.)?artstation\.com"
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r"/search/?\?([^#]+)"]
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test = [
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("https://www.artstation.com/search?sorting=recent&q=ancient", None),
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]
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def __init__(self, match):
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ArtstationExtractor.__init__(self)
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query = text.parse_query(match.group(1))
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self.searchterm = query.get("q", "")
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self.order = query.get("sorting", "recent").lower()
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def metadata(self):
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return {"search": {
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"searchterm": self.searchterm,
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"order": self.order,
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}}
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def projects(self):
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order = "likes_count" if self.order == "likes" else "published_at"
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url = "{}/search/projects.json".format(self.root)
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params = {
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"direction": "desc",
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"order": order,
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"q": self.searchterm,
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# "show_pro_first": "true",
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}
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return self._pagination(url, params)
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class ArtstationImageExtractor(ArtstationExtractor):
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"""Extractor for images from a single artstation project"""
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subcategory = "image"
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pattern = [r"(?:https?://)?(?:\w+\.)?artstation\.com"
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r"/(?:artwork|projects|search)/(\w+)"]
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test = [
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("https://www.artstation.com/artwork/LQVJr", {
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"pattern": r"https?://\w+\.artstation\.com/p/assets"
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r"/images/images/008/760/279/large/.+",
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"content": "1f645ce7634e44675ebde8f6b634d36db0617d3c",
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# SHA1 hash without _no_cache()
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# "content": "2e8aaf6400aeff2345274f45e90b6ed3f2a0d946",
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}),
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# multiple images per project
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("https://www.artstation.com/artwork/Db3dy", {
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"count": 4,
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}),
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# different URL pattern
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("https://sungchoi.artstation.com/projects/LQVJr", None),
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]
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def __init__(self, match):
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ArtstationExtractor.__init__(self)
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self.project_id = match.group(1)
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self.assets = None
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def metadata(self):
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self.assets = [
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asset.copy()
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for asset in ArtstationExtractor.get_project_assets(
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self, self.project_id
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)
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]
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self.user = self.assets[0]["user"]["username"]
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return ArtstationExtractor.metadata(self)
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def projects(self):
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return ({"hash_id": self.project_id},)
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def get_project_assets(self, project_id):
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return self.assets
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