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gallery-dl/gallery_dl/extractor/patreon.py

376 lines
13 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2019-2023 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.
"""Extractors for https://www.patreon.com/"""
from .common import Extractor, Message
from .. import text, util, exception
from ..cache import memcache
import collections
import itertools
class PatreonExtractor(Extractor):
"""Base class for patreon extractors"""
category = "patreon"
root = "https://www.patreon.com"
cookiedomain = ".patreon.com"
directory_fmt = ("{category}", "{creator[full_name]}")
filename_fmt = "{id}_{title}_{num:>02}.{extension}"
archive_fmt = "{id}_{num}"
browser = "firefox"
tls12 = False
_warning = True
def items(self):
if self._warning:
if not self._check_cookies(("session_id",)):
self.log.warning("no 'session_id' cookie set")
PatreonExtractor._warning = False
generators = self._build_file_generators(self.config("files"))
for post in self.posts():
if not post.get("current_user_can_view", True):
self.log.warning("Not allowed to view post %s", post["id"])
continue
yield Message.Directory, post
post["num"] = 0
hashes = set()
for kind, url, name in itertools.chain.from_iterable(
g(post) for g in generators):
fhash = self._filehash(url)
if fhash not in hashes or not fhash:
hashes.add(fhash)
post["hash"] = fhash
post["type"] = kind
post["num"] += 1
yield Message.Url, url, text.nameext_from_url(name, post)
else:
self.log.debug("skipping %s (%s %s)", url, fhash, kind)
@staticmethod
def _postfile(post):
postfile = post.get("post_file")
if postfile:
return (("postfile", postfile["url"], postfile["name"]),)
return ()
def _images(self, post):
for image in post["images"]:
url = image.get("download_url")
if url:
name = image.get("file_name") or self._filename(url) or url
yield "image", url, name
def _image_large(self, post):
image = post.get("image")
if image:
url = image.get("large_url")
if url:
name = image.get("file_name") or self._filename(url) or url
return (("image_large", url, name),)
return ()
def _attachments(self, post):
for attachment in post["attachments"]:
url = self.request(
attachment["url"], method="HEAD",
allow_redirects=False, fatal=False,
).headers.get("Location")
if url:
yield "attachment", url, attachment["name"]
def _content(self, post):
content = post.get("content")
if content:
for img in text.extract_iter(
content, '<img data-media-id="', '>'):
url = text.extr(img, 'src="', '"')
if url:
yield "content", url, self._filename(url) or url
def posts(self):
"""Return all relevant post objects"""
def _pagination(self, url):
headers = {
"Referer" : self.root + "/",
"Content-Type": "application/vnd.api+json",
}
while url:
url = text.ensure_http_scheme(url)
posts = self.request(url, headers=headers).json()
if "included" in posts:
included = self._transform(posts["included"])
for post in posts["data"]:
yield self._process(post, included)
if "links" not in posts:
return
url = posts["links"].get("next")
def _process(self, post, included):
"""Process and extend a 'post' object"""
attr = post["attributes"]
attr["id"] = text.parse_int(post["id"])
if attr.get("current_user_can_view", True):
relationships = post["relationships"]
attr["images"] = self._files(post, included, "images")
attr["attachments"] = self._files(post, included, "attachments")
attr["date"] = text.parse_datetime(
attr["published_at"], "%Y-%m-%dT%H:%M:%S.%f%z")
tags = relationships.get("user_defined_tags")
attr["tags"] = [
tag["id"].replace("user_defined;", "")
for tag in tags["data"]
if tag["type"] == "post_tag"
] if tags else []
user = relationships["user"]
attr["creator"] = (
self._user(user["links"]["related"]) or
included["user"][user["data"]["id"]])
return attr
@staticmethod
def _transform(included):
"""Transform 'included' into an easier to handle format"""
result = collections.defaultdict(dict)
for inc in included:
result[inc["type"]][inc["id"]] = inc["attributes"]
return result
@staticmethod
def _files(post, included, key):
"""Build a list of files"""
files = post["relationships"].get(key)
if files and files.get("data"):
return [
included[file["type"]][file["id"]]
for file in files["data"]
]
return []
@memcache(keyarg=1)
def _user(self, url):
"""Fetch user information"""
response = self.request(url, fatal=False)
if response.status_code >= 400:
return None
user = response.json()["data"]
attr = user["attributes"]
attr["id"] = user["id"]
attr["date"] = text.parse_datetime(
attr["created"], "%Y-%m-%dT%H:%M:%S.%f%z")
return attr
def _filename(self, url):
"""Fetch filename from an URL's Content-Disposition header"""
response = self.request(url, method="HEAD", fatal=False)
cd = response.headers.get("Content-Disposition")
return text.extr(cd, 'filename="', '"')
@staticmethod
def _filehash(url):
"""Extract MD5 hash from a download URL"""
parts = url.partition("?")[0].split("/")
parts.reverse()
for part in parts:
if len(part) == 32:
return part
return ""
@staticmethod
def _build_url(endpoint, query):
return (
"https://www.patreon.com/api/" + endpoint +
"?include=campaign,access_rules,attachments,audio,images,media,"
"native_video_insights,poll.choices,"
"poll.current_user_responses.user,"
"poll.current_user_responses.choice,"
"poll.current_user_responses.poll,"
"user,user_defined_tags,ti_checks"
"&fields[campaign]=currency,show_audio_post_download_links,"
"avatar_photo_url,avatar_photo_image_urls,earnings_visibility,"
"is_nsfw,is_monthly,name,url"
"&fields[post]=change_visibility_at,comment_count,commenter_count,"
"content,current_user_can_comment,current_user_can_delete,"
"current_user_can_view,current_user_has_liked,embed,image,"
"insights_last_updated_at,is_paid,like_count,meta_image_url,"
"min_cents_pledged_to_view,post_file,post_metadata,published_at,"
"patreon_url,post_type,pledge_url,preview_asset_type,thumbnail,"
"thumbnail_url,teaser_text,title,upgrade_url,url,"
"was_posted_by_campaign_owner,has_ti_violation,moderation_status,"
"post_level_suspension_removal_date,pls_one_liners_by_category,"
"video_preview,view_count"
"&fields[post_tag]=tag_type,value"
"&fields[user]=image_url,full_name,url"
"&fields[access_rule]=access_rule_type,amount_cents"
"&fields[media]=id,image_urls,download_url,metadata,file_name"
"&fields[native_video_insights]=average_view_duration,"
"average_view_pct,has_preview,id,last_updated_at,num_views,"
"preview_views,video_duration" + query +
"&json-api-version=1.0"
)
def _build_file_generators(self, filetypes):
if filetypes is None:
return (self._images, self._image_large,
self._attachments, self._postfile, self._content)
genmap = {
"images" : self._images,
"image_large": self._image_large,
"attachments": self._attachments,
"postfile" : self._postfile,
"content" : self._content,
}
if isinstance(filetypes, str):
filetypes = filetypes.split(",")
return [genmap[ft] for ft in filetypes]
def _extract_bootstrap(self, page):
return util.json_loads(text.extr(
page, "window.patreon.bootstrap,", "\n});") + "}")
class PatreonCreatorExtractor(PatreonExtractor):
"""Extractor for a creator's works"""
subcategory = "creator"
pattern = (r"(?:https?://)?(?:www\.)?patreon\.com"
r"/(?!(?:home|join|posts|login|signup)(?:$|[/?#]))"
r"([^/?#]+)(?:/posts)?/?(?:\?([^#]+))?")
test = (
("https://www.patreon.com/koveliana", {
"range": "1-25",
"count": ">= 25",
"keyword": {
"attachments" : list,
"comment_count": int,
"content" : str,
"creator" : dict,
"date" : "type:datetime",
"id" : int,
"images" : list,
"like_count" : int,
"post_type" : str,
"published_at" : str,
"title" : str,
},
}),
("https://www.patreon.com/koveliana/posts?filters[month]=2020-3", {
"count": 1,
"keyword": {"date": "dt:2020-03-30 21:21:44"},
}),
("https://www.patreon.com/kovelianot", {
"exception": exception.NotFoundError,
}),
("https://www.patreon.com/user?u=2931440"),
("https://www.patreon.com/user/posts/?u=2931440"),
)
def __init__(self, match):
PatreonExtractor.__init__(self, match)
self.creator, self.query = match.groups()
def posts(self):
query = text.parse_query(self.query)
creator_id = query.get("u")
if creator_id:
url = "{}/user/posts?u={}".format(self.root, creator_id)
else:
url = "{}/{}/posts".format(self.root, self.creator)
page = self.request(url, notfound="creator").text
try:
data = self._extract_bootstrap(page)
campaign_id = data["creator"]["data"]["id"]
except (KeyError, ValueError):
raise exception.NotFoundError("creator")
filters = "".join(
"&filter[{}={}".format(key[8:], text.escape(value))
for key, value in query.items()
if key.startswith("filters[")
)
url = self._build_url("posts", (
"&filter[campaign_id]=" + campaign_id +
"&filter[contains_exclusive_posts]=true"
"&filter[is_draft]=false" + filters +
"&sort=" + query.get("sort", "-published_at")
))
return self._pagination(url)
class PatreonUserExtractor(PatreonExtractor):
"""Extractor for media from creators supported by you"""
subcategory = "user"
pattern = r"(?:https?://)?(?:www\.)?patreon\.com/home$"
test = ("https://www.patreon.com/home",)
def posts(self):
url = self._build_url("stream", (
"&page[cursor]=null"
"&filter[is_following]=true"
"&json-api-use-default-includes=false"
))
return self._pagination(url)
class PatreonPostExtractor(PatreonExtractor):
"""Extractor for media from a single post"""
subcategory = "post"
pattern = r"(?:https?://)?(?:www\.)?patreon\.com/posts/([^/?#]+)"
test = (
# postfile + attachments
("https://www.patreon.com/posts/precious-metal-23563293", {
"count": 4,
}),
# postfile + content
("https://www.patreon.com/posts/56127163", {
"count": 3,
"keyword": {"filename": r"re:^(?!1).+$"},
}),
# tags (#1539)
("https://www.patreon.com/posts/free-post-12497641", {
"keyword": {"tags": ["AWMedia"]},
}),
("https://www.patreon.com/posts/not-found-123", {
"exception": exception.NotFoundError,
}),
)
def __init__(self, match):
PatreonExtractor.__init__(self, match)
self.slug = match.group(1)
def posts(self):
url = "{}/posts/{}".format(self.root, self.slug)
page = self.request(url, notfound="post").text
post = self._extract_bootstrap(page)["post"]
included = self._transform(post["included"])
return (self._process(post["data"], included),)