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240 lines
8.1 KiB
240 lines
8.1 KiB
# -*- coding: utf-8 -*-
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# Copyright 2019 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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"""Extractors for https://www.patreon.com/"""
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from .common import Extractor, Message
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from .. import text
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from ..cache import memcache
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import collections
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import json
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class PatreonExtractor(Extractor):
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"""Base class for patreon extractors"""
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category = "patreon"
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root = "https://www.patreon.com"
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directory_fmt = ("{category}", "{creator[full_name]}")
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filename_fmt = "{id}_{title}_{num:>02}.{extension}"
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archive_fmt = "{id}_{num}"
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_warning = True
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def items(self):
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yield Message.Version, 1
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if self._warning:
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if "session_id" not in self.session.cookies:
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self.log.warning("no 'session_id' cookie set")
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PatreonExtractor._warning = False
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for post in self.posts():
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yield Message.Directory, post
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ids = set()
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post["num"] = 0
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content = post.get("content")
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postfile = post.get("post_file")
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for image in post["images"]:
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url = image.get("download_url")
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if not url:
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continue
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ids.add(url.split("/")[-2])
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name = image.get("file_name") or self._filename(url) or url
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post["num"] += 1
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post["type"] = "image"
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yield Message.Url, url, text.nameext_from_url(name, post)
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if postfile and postfile["url"].split("/")[-2] not in ids:
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post["num"] += 1
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post["type"] = "postfile"
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text.nameext_from_url(postfile["name"], post)
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yield Message.Url, postfile["url"], post
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for attachment in post["attachments"]:
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post["num"] += 1
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post["type"] = "attachment"
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text.nameext_from_url(attachment["name"], post)
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yield Message.Url, attachment["url"], post
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if content:
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for url in text.extract_iter(content, 'src="', '"'):
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post["num"] += 1
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post["type"] = "content"
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yield Message.Url, url, text.nameext_from_url(url, post)
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def posts(self):
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"""Return all relevant post objects"""
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def _pagination(self, url):
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headers = {"Referer": self.root}
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while url:
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posts = self.request(url, headers=headers).json()
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if "included" in posts:
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included = self._transform(posts["included"])
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for post in posts["data"]:
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yield self._process(post, included)
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if "links" not in posts:
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return
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url = posts["links"].get("next")
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def _process(self, post, included):
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"""Process and extend a 'post' object"""
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attr = post["attributes"]
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attr["id"] = text.parse_int(post["id"])
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attr["images"] = self._files(post, included, "images")
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attr["attachments"] = self._files(post, included, "attachments")
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attr["date"] = text.parse_datetime(
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attr["published_at"], "%Y-%m-%dT%H:%M:%S.%f%z")
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attr["creator"] = self._user(
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post["relationships"]["user"]["links"]["related"])
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return attr
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@staticmethod
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def _transform(included):
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"""Transform 'included' into an easier to handle format"""
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result = collections.defaultdict(dict)
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for inc in included:
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result[inc["type"]][inc["id"]] = inc["attributes"]
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return result
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@staticmethod
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def _files(post, included, key):
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"""Build a list of files"""
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files = post["relationships"].get(key)
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if files and files.get("data"):
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return [
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included[file["type"]][file["id"]]
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for file in files["data"]
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]
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return []
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@memcache(keyarg=1)
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def _user(self, url):
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"""Fetch user information"""
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user = self.request(url).json()["data"]
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attr = user["attributes"]
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attr["id"] = user["id"]
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attr["date"] = text.parse_datetime(
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attr["created"], "%Y-%m-%dT%H:%M:%S.%f%z")
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return attr
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def _filename(self, url):
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"""Fetch filename from its Content-Disposition header"""
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response = self.request(url, method="HEAD", fatal=False)
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cd = response.headers.get("Content-Disposition")
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return text.extract(cd, 'filename="', '"')[0]
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@staticmethod
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def _build_url(endpoint, query):
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return (
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"https://www.patreon.com/api/" + endpoint +
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"?include=user,images,attachments,user_defined_tags,campaign,poll."
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"choices,poll.current_user_responses.user,poll.current_user_respon"
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"ses.choice,poll.current_user_responses.poll,access_rules.tier.nul"
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"l"
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"&fields[post]=change_visibility_at,comment_count,content,current_"
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"user_can_delete,current_user_can_view,current_user_has_liked,embe"
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"d,image,is_paid,like_count,min_cents_pledged_to_view,post_file,pu"
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"blished_at,patron_count,patreon_url,post_type,pledge_url,thumbnai"
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"l_url,teaser_text,title,upgrade_url,url,was_posted_by_campaign_ow"
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"ner"
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"&fields[user]=image_url,full_name,url"
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"&fields[campaign]=avatar_photo_url,earnings_visibility,is_nsfw,is"
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"_monthly,name,url"
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"&fields[access_rule]=access_rule_type,amount_cents" + query +
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"&json-api-use-default-includes=false"
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"&json-api-version=1.0"
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)
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class PatreonCreatorExtractor(PatreonExtractor):
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"""Extractor for a creator's works"""
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subcategory = "creator"
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pattern = (r"(?:https?://)?(?:www\.)?patreon\.com"
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r"/(?!(?:home|join|posts|login|signup)(?:$|[/?&#]))"
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r"([^/?&#]+)/?")
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test = ("https://www.patreon.com/koveliana", {
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"range": "1-25",
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"count": ">= 25",
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"keyword": {
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"attachments": list,
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"comment_count": int,
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"content": str,
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"creator": dict,
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"date": "type:datetime",
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"id": int,
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"images": list,
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"like_count": int,
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"post_type": str,
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"published_at": str,
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"title": str,
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},
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})
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def __init__(self, match):
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PatreonExtractor.__init__(self, match)
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self.creator = match.group(1).lower()
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def posts(self):
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url = "{}/{}".format(self.root, self.creator)
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page = self.request(url).text
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campaign_id = text.extract(page, "/campaign/", "/")[0]
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url = self._build_url("posts", (
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"&sort=-published_at"
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"&filter[is_draft]=false"
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"&filter[contains_exclusive_posts]=true"
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"&filter[campaign_id]=" + campaign_id
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))
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return self._pagination(url)
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class PatreonUserExtractor(PatreonExtractor):
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"""Extractor for media from creators supported by you"""
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subcategory = "user"
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pattern = r"(?:https?://)?(?:www\.)?patreon\.com/home$"
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test = ("https://www.patreon.com/home",)
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def posts(self):
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url = self._build_url("stream", (
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"&page[cursor]=null"
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"&filter[is_following]=true"
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))
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return self._pagination(url)
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class PatreonPostExtractor(PatreonExtractor):
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"""Extractor for media from a single post"""
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subcategory = "post"
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pattern = (r"(?:https?://)?(?:www\.)?patreon\.com"
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r"/posts/[^/?&#]*?(\d+)")
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test = ("https://www.patreon.com/posts/precious-metal-23563293", {
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"count": 4,
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})
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def __init__(self, match):
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PatreonExtractor.__init__(self, match)
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self.post_id = match.group(1)
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def posts(self):
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url = "{}/posts/{}".format(self.root, self.post_id)
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page = self.request(url).text
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data = text.extract(page, "window.patreon.bootstrap,", "\n});")[0]
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post = json.loads(data + "}")["post"]
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included = self._transform(post["included"])
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return (self._process(post["data"], included),)
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