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mirror of https://github.com/mikf/gallery-dl.git synced 2024-11-24 03:32:33 +01:00
gallery-dl/gallery_dl/extractor/artstation.py
Mike Fährmann 968d3e8465
remove '&' from URL patterns
'/?&#' -> '/?#' and '?&#' -> '?#'

According to https://www.ietf.org/rfc/rfc3986.txt, URLs are
"organized hierarchically" by using "the slash ("/"), question
mark ("?"), and number sign ("#") characters to delimit components"
2020-10-22 23:31:25 +02:00

401 lines
14 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2018-2019 Mike Fährmann
#
# 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.
"""Extract images from https://www.artstation.com/"""
from .common import Extractor, Message
from .. import text, util, exception
import random
import string
class ArtstationExtractor(Extractor):
"""Base class for artstation extractors"""
category = "artstation"
filename_fmt = "{category}_{id}_{asset[id]}_{title}.{extension}"
directory_fmt = ("{category}", "{userinfo[username]}")
archive_fmt = "{asset[id]}"
root = "https://www.artstation.com"
def __init__(self, match):
Extractor.__init__(self, match)
self.user = match.group(1) or match.group(2)
self.external = self.config("external", False)
def items(self):
data = self.metadata()
yield Message.Version, 1
yield Message.Directory, data
for project in self.projects():
for asset in self.get_project_assets(project["hash_id"]):
asset.update(data)
adict = asset["asset"]
if adict["has_embedded_player"] and self.external:
player = adict["player_embedded"]
url = text.extract(player, 'src="', '"')[0] or \
text.extract(player, "src='", "'")[0]
if url and not url.startswith(self.root):
asset["extension"] = None
yield Message.Url, "ytdl:" + url, asset
continue
if adict["has_image"]:
url = adict["image_url"]
text.nameext_from_url(url, asset)
yield Message.Url, self._no_cache(url), asset
def metadata(self):
"""Return general metadata"""
return {"userinfo": self.get_user_info(self.user)}
def projects(self):
"""Return an iterable containing all relevant project IDs"""
def get_project_assets(self, project_id):
"""Return all assets associated with 'project_id'"""
url = "{}/projects/{}.json".format(self.root, project_id)
data = self.request(url).json()
data["title"] = text.unescape(data["title"])
data["description"] = text.unescape(text.remove_html(
data["description"]))
data["date"] = text.parse_datetime(
data["created_at"], "%Y-%m-%dT%H:%M:%S.%f%z")
assets = data["assets"]
del data["assets"]
if len(assets) == 1:
data["asset"] = assets[0]
yield data
else:
for asset in assets:
data["asset"] = asset
yield data.copy()
def get_user_info(self, username):
"""Return metadata for a specific user"""
url = "{}/users/{}/quick.json".format(self.root, username.lower())
response = self.request(url, notfound="user")
return response.json()
def _pagination(self, url, params=None, json=None):
if json:
params = json
kwargs = {"json": json}
else:
if not params:
params = {}
kwargs = {"params": params}
params["page"] = 1
total = 0
while True:
data = self.request(url, **kwargs).json()
yield from data["data"]
total += len(data["data"])
if total >= data["total_count"]:
return
params["page"] += 1
@staticmethod
def _no_cache(url, alphabet=(string.digits + string.ascii_letters)):
"""Cause a cache miss to prevent Cloudflare 'optimizations'
Cloudflare's 'Polish' optimization strips image metadata and may even
recompress an image as lossy JPEG. This can be prevented by causing
a cache miss when requesting an image by adding a random dummy query
parameter.
Ref:
https://github.com/r888888888/danbooru/issues/3528
https://danbooru.donmai.us/forum_topics/14952
"""
param = "gallerydl_no_cache=" + util.bencode(
random.getrandbits(64), alphabet)
sep = "&" if "?" in url else "?"
return url + sep + param
class ArtstationUserExtractor(ArtstationExtractor):
"""Extractor for all projects of an artstation user"""
subcategory = "user"
pattern = (r"(?:https?://)?(?:(?:www\.)?artstation\.com"
r"/(?!artwork|projects|search)([^/?#]+)(?:/albums/all)?"
r"|((?!www)\w+)\.artstation\.com(?:/projects)?)/?$")
test = (
("https://www.artstation.com/gaerikim/", {
"pattern": r"https://\w+\.artstation\.com/p/assets"
r"/images/images/\d+/\d+/\d+/large/[^/]+",
"count": ">= 6",
}),
("https://www.artstation.com/gaerikim/albums/all/"),
("https://gaerikim.artstation.com/"),
("https://gaerikim.artstation.com/projects/"),
)
def projects(self):
url = "{}/users/{}/projects.json".format(self.root, self.user)
return self._pagination(url)
class ArtstationAlbumExtractor(ArtstationExtractor):
"""Extractor for all projects in an artstation album"""
subcategory = "album"
directory_fmt = ("{category}", "{userinfo[username]}", "Albums",
"{album[id]} - {album[title]}")
archive_fmt = "a_{album[id]}_{asset[id]}"
pattern = (r"(?:https?://)?(?:(?:www\.)?artstation\.com"
r"/(?!artwork|projects|search)([^/?#]+)"
r"|((?!www)\w+)\.artstation\.com)/albums/(\d+)")
test = (
("https://www.artstation.com/huimeiye/albums/770899", {
"count": 2,
}),
("https://www.artstation.com/huimeiye/albums/770898", {
"exception": exception.NotFoundError,
}),
("https://huimeiye.artstation.com/albums/770899"),
)
def __init__(self, match):
ArtstationExtractor.__init__(self, match)
self.album_id = text.parse_int(match.group(3))
def metadata(self):
userinfo = self.get_user_info(self.user)
album = None
for album in userinfo["albums_with_community_projects"]:
if album["id"] == self.album_id:
break
else:
raise exception.NotFoundError("album")
return {
"userinfo": userinfo,
"album": album
}
def projects(self):
url = "{}/users/{}/projects.json".format(self.root, self.user)
params = {"album_id": self.album_id}
return self._pagination(url, params)
class ArtstationLikesExtractor(ArtstationExtractor):
"""Extractor for liked projects of an artstation user"""
subcategory = "likes"
directory_fmt = ("{category}", "{userinfo[username]}", "Likes")
archive_fmt = "f_{userinfo[id]}_{asset[id]}"
pattern = (r"(?:https?://)?(?:www\.)?artstation\.com"
r"/(?!artwork|projects|search)([^/?#]+)/likes/?")
test = (
("https://www.artstation.com/mikf/likes", {
"pattern": r"https://\w+\.artstation\.com/p/assets"
r"/images/images/\d+/\d+/\d+/large/[^/]+",
"count": 6,
}),
# no likes
("https://www.artstation.com/sungchoi/likes", {
"count": 0,
}),
)
def projects(self):
url = "{}/users/{}/likes.json".format(self.root, self.user)
return self._pagination(url)
class ArtstationChallengeExtractor(ArtstationExtractor):
"""Extractor for submissions of artstation challenges"""
subcategory = "challenge"
filename_fmt = "{submission_id}_{asset_id}_{filename}.{extension}"
directory_fmt = ("{category}", "Challenges",
"{challenge[id]} - {challenge[title]}")
archive_fmt = "c_{challenge[id]}_{asset_id}"
pattern = (r"(?:https?://)?(?:www\.)?artstation\.com"
r"/contests/[^/?#]+/challenges/(\d+)"
r"/?(?:\?sorting=([a-z]+))?")
test = (
("https://www.artstation.com/contests/thu-2017/challenges/20"),
(("https://www.artstation.com/contests/beyond-human"
"/challenges/23?sorting=winners"), {
"range": "1-30",
"count": 30,
}),
)
def __init__(self, match):
ArtstationExtractor.__init__(self, match)
self.challenge_id = match.group(1)
self.sorting = match.group(2) or "popular"
def items(self):
challenge_url = "{}/contests/_/challenges/{}.json".format(
self.root, self.challenge_id)
submission_url = "{}/contests/_/challenges/{}/submissions.json".format(
self.root, self.challenge_id)
update_url = "{}/contests/submission_updates.json".format(
self.root)
challenge = self.request(challenge_url).json()
yield Message.Version, 1
yield Message.Directory, {"challenge": challenge}
params = {"sorting": self.sorting}
for submission in self._pagination(submission_url, params):
params = {"submission_id": submission["id"]}
for update in self._pagination(update_url, params=params):
del update["replies"]
update["challenge"] = challenge
for url in text.extract_iter(
update["body_presentation_html"], ' href="', '"'):
update["asset_id"] = self._id_from_url(url)
text.nameext_from_url(url, update)
yield Message.Url, self._no_cache(url), update
@staticmethod
def _id_from_url(url):
"""Get an image's submission ID from its URL"""
parts = url.split("/")
return text.parse_int("".join(parts[7:10]))
class ArtstationSearchExtractor(ArtstationExtractor):
"""Extractor for artstation search results"""
subcategory = "search"
directory_fmt = ("{category}", "Searches", "{search[query]}")
archive_fmt = "s_{search[query]}_{asset[id]}"
pattern = (r"(?:https?://)?(?:\w+\.)?artstation\.com"
r"/search/?\?([^#]+)")
test = ("https://www.artstation.com/search?q=ancient&sort_by=rank", {
"range": "1-20",
"count": 20,
})
def __init__(self, match):
ArtstationExtractor.__init__(self, match)
query = text.parse_query(match.group(1))
self.query = query.get("q", "")
self.sorting = query.get("sort_by", "rank").lower()
def metadata(self):
return {"search": {
"query" : self.query,
"sorting": self.sorting,
}}
def projects(self):
url = "{}/api/v2/search/projects.json".format(self.root)
return self._pagination(url, json={
"additional_fields": "[]",
"filters" : "[]",
"page" : None,
"per_page" : "50",
"pro_first" : "1",
"query" : self.query,
"sorting" : self.sorting,
})
class ArtstationArtworkExtractor(ArtstationExtractor):
"""Extractor for projects on artstation's artwork page"""
subcategory = "artwork"
directory_fmt = ("{category}", "Artworks", "{artwork[sorting]!c}")
archive_fmt = "A_{asset[id]}"
pattern = (r"(?:https?://)?(?:\w+\.)?artstation\.com"
r"/artwork/?\?([^#]+)")
test = ("https://www.artstation.com/artwork?sorting=latest", {
"range": "1-20",
"count": 20,
})
def __init__(self, match):
ArtstationExtractor.__init__(self, match)
self.query = text.parse_query(match.group(1))
def metadata(self):
return {"artwork": self.query}
def projects(self):
url = "{}/projects.json".format(self.root)
return self._pagination(url, self.query.copy())
class ArtstationImageExtractor(ArtstationExtractor):
"""Extractor for images from a single artstation project"""
subcategory = "image"
pattern = (r"(?:https?://)?(?:"
r"(?:\w+\.)?artstation\.com/(?:artwork|projects|search)"
r"|artstn\.co/p)/(\w+)")
test = (
("https://www.artstation.com/artwork/LQVJr", {
"pattern": r"https?://\w+\.artstation\.com/p/assets"
r"/images/images/008/760/279/large/.+",
"content": "1f645ce7634e44675ebde8f6b634d36db0617d3c",
# SHA1 hash without _no_cache()
# "content": "2e8aaf6400aeff2345274f45e90b6ed3f2a0d946",
}),
# multiple images per project
("https://www.artstation.com/artwork/Db3dy", {
"count": 4,
}),
# embedded youtube video
("https://www.artstation.com/artwork/g4WPK", {
"range": "2",
"options": (("external", True),),
"pattern": "ytdl:https://www.youtube.com/embed/JNFfJtwwrU0",
}),
# alternate URL patterns
("https://sungchoi.artstation.com/projects/LQVJr"),
("https://artstn.co/p/LQVJr"),
)
def __init__(self, match):
ArtstationExtractor.__init__(self, match)
self.project_id = match.group(1)
self.assets = None
def metadata(self):
self.assets = list(ArtstationExtractor.get_project_assets(
self, self.project_id))
self.user = self.assets[0]["user"]["username"]
return ArtstationExtractor.metadata(self)
def projects(self):
return ({"hash_id": self.project_id},)
def get_project_assets(self, project_id):
return self.assets
class ArtstationFollowingExtractor(ArtstationExtractor):
"""Extractor for a user's followed users"""
subcategory = "following"
pattern = (r"(?:https?://)?(?:www\.)?artstation\.com"
r"/(?!artwork|projects|search)([^/?#]+)/following")
test = ("https://www.artstation.com/gaerikim/following", {
"pattern": ArtstationUserExtractor.pattern,
"count": ">= 50",
})
def items(self):
url = "{}/users/{}/following.json".format(self.root, self.user)
for user in self._pagination(url):
url = "{}/{}".format(self.root, user["username"])
user["_extractor"] = ArtstationUserExtractor
yield Message.Queue, url, user