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gallery-dl/gallery_dl/extractor/tumblr.py
2024-08-12 09:09:59 +02:00

522 lines
18 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2016-2023 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.tumblr.com/"""
from .common import Extractor, Message
from .. import text, util, oauth, exception
from datetime import datetime, date, timedelta
import re
BASE_PATTERN = (
r"(?:tumblr:(?:https?://)?([^/]+)|"
r"(?:https?://)?"
r"(?:www\.tumblr\.com/(?:blog/(?:view/)?)?([\w-]+)|"
r"([\w-]+\.tumblr\.com)))"
)
POST_TYPES = frozenset((
"text", "quote", "link", "answer", "video", "audio", "photo", "chat"))
class TumblrExtractor(Extractor):
"""Base class for tumblr extractors"""
category = "tumblr"
directory_fmt = ("{category}", "{blog_name}")
filename_fmt = "{category}_{blog_name}_{id}_{num:>02}.{extension}"
archive_fmt = "{id}_{num}"
cookies_domain = None
def __init__(self, match):
Extractor.__init__(self, match)
name = match.group(2)
if name:
self.blog = name + ".tumblr.com"
else:
self.blog = match.group(1) or match.group(3)
def _init(self):
self.api = TumblrAPI(self)
self.types = self._setup_posttypes()
self.avatar = self.config("avatar", False)
self.inline = self.config("inline", True)
self.reblogs = self.config("reblogs", True)
self.external = self.config("external", False)
self.original = self.config("original", True)
self.fallback_delay = self.config("fallback-delay", 120.0)
self.fallback_retries = self.config("fallback-retries", 2)
if len(self.types) == 1:
self.api.posts_type = next(iter(self.types))
elif not self.types:
self.log.warning("no valid post types selected")
if self.reblogs == "same-blog":
self._skip_reblog = self._skip_reblog_same_blog
self.date_min, self.api.before = self._get_date_min_max(0, None)
def items(self):
blog = None
# pre-compile regular expressions
self._sub_video = re.compile(
r"https?://((?:vt|vtt|ve)(?:\.media)?\.tumblr\.com"
r"/tumblr_[^_]+)_\d+\.([0-9a-z]+)").sub
if self.inline:
self._sub_image = re.compile(
r"https?://(\d+\.media\.tumblr\.com(?:/[0-9a-f]+)?"
r"/tumblr(?:_inline)?_[^_]+)_\d+\.([0-9a-z]+)").sub
self._subn_orig_image = re.compile(r"/s\d+x\d+/").subn
_findall_image = re.compile('<img src="([^"]+)"').findall
_findall_video = re.compile('<source src="([^"]+)"').findall
for post in self.posts():
if self.date_min > post["timestamp"]:
return
if post["type"] not in self.types:
continue
if not blog:
blog = self.api.info(self.blog)
blog["uuid"] = self.blog
if self.avatar:
url = self.api.avatar(self.blog)
yield Message.Directory, {"blog": blog}
yield self._prepare_avatar(url, post.copy(), blog)
reblog = "reblogged_from_id" in post
if reblog and self._skip_reblog(post):
continue
post["reblogged"] = reblog
if "trail" in post:
del post["trail"]
post["blog"] = blog
post["date"] = text.parse_timestamp(post["timestamp"])
posts = []
if "photos" in post: # type "photo" or "link"
photos = post["photos"]
del post["photos"]
for photo in photos:
post["photo"] = photo
best_photo = photo["original_size"]
for alt_photo in photo["alt_sizes"]:
if (alt_photo["height"] > best_photo["height"] or
alt_photo["width"] > best_photo["width"]):
best_photo = alt_photo
photo.update(best_photo)
if self.original and "/s2048x3072/" in photo["url"] and (
photo["width"] == 2048 or photo["height"] == 3072):
photo["url"], fb = self._original_photo(photo["url"])
if fb:
post["_fallback"] = self._original_image_fallback(
photo["url"], post["id"])
del photo["original_size"]
del photo["alt_sizes"]
posts.append(
self._prepare_image(photo["url"], post.copy()))
del post["photo"]
post.pop("_fallback", None)
url = post.get("audio_url") # type "audio"
if url and url.startswith("https://a.tumblr.com/"):
posts.append(self._prepare(url, post.copy()))
url = post.get("video_url") # type "video"
if url:
posts.append(self._prepare(
self._original_video(url), post.copy()))
if self.inline and "reblog" in post: # inline media
# only "chat" posts are missing a "reblog" key in their
# API response, but they can't contain images/videos anyway
body = post["reblog"]["comment"] + post["reblog"]["tree_html"]
for url in _findall_image(body):
url, fb = self._original_inline_image(url)
if fb:
post["_fallback"] = self._original_image_fallback(
url, post["id"])
posts.append(self._prepare_image(url, post.copy()))
post.pop("_fallback", None)
for url in _findall_video(body):
url = self._original_video(url)
posts.append(self._prepare(url, post.copy()))
if self.external: # external links
url = post.get("permalink_url") or post.get("url")
if url:
post["extension"] = None
posts.append((Message.Queue, url, post.copy()))
del post["extension"]
post["count"] = len(posts)
yield Message.Directory, post
for num, (msg, url, post) in enumerate(posts, 1):
post["num"] = num
post["count"] = len(posts)
yield msg, url, post
def posts(self):
"""Return an iterable containing all relevant posts"""
def _setup_posttypes(self):
types = self.config("posts", "all")
if types == "all":
return POST_TYPES
elif not types:
return frozenset()
else:
if isinstance(types, str):
types = types.split(",")
types = frozenset(types)
invalid = types - POST_TYPES
if invalid:
types = types & POST_TYPES
self.log.warning("Invalid post types: '%s'",
"', '".join(sorted(invalid)))
return types
@staticmethod
def _prepare(url, post):
text.nameext_from_url(url, post)
post["hash"] = post["filename"].partition("_")[2]
return Message.Url, url, post
@staticmethod
def _prepare_image(url, post):
text.nameext_from_url(url, post)
# try ".gifv" (#3095)
# it's unknown whether all gifs in this case are actually webps
# incorrect extensions will be corrected by 'adjust-extensions'
if post["extension"] == "gif":
post["_fallback"] = (url + "v",)
post["_http_headers"] = {"Accept": # copied from chrome 106
"image/avif,image/webp,image/apng,"
"image/svg+xml,image/*,*/*;q=0.8"}
parts = post["filename"].split("_")
try:
post["hash"] = parts[1] if parts[1] != "inline" else parts[2]
except IndexError:
# filename doesn't follow the usual pattern (#129)
post["hash"] = post["filename"]
return Message.Url, url, post
@staticmethod
def _prepare_avatar(url, post, blog):
text.nameext_from_url(url, post)
post["num"] = post["count"] = 1
post["blog"] = blog
post["reblogged"] = False
post["type"] = post["id"] = post["hash"] = "avatar"
return Message.Url, url, post
def _skip_reblog(self, _):
return not self.reblogs
def _skip_reblog_same_blog(self, post):
return self.blog != post.get("reblogged_root_uuid")
def _original_photo(self, url):
resized = url.replace("/s2048x3072/", "/s99999x99999/", 1)
return self._update_image_token(resized)
def _original_inline_image(self, url):
if self.original:
resized, n = self._subn_orig_image("/s99999x99999/", url, 1)
if n:
return self._update_image_token(resized)
return self._sub_image(r"https://\1_1280.\2", url), False
def _original_video(self, url):
return self._sub_video(r"https://\1.\2", url)
def _update_image_token(self, resized):
headers = {"Accept": "text/html,*/*;q=0.8"}
try:
response = self.request(resized, headers=headers)
except Exception:
return resized, True
else:
updated = text.extr(response.text, '" src="', '"')
return updated, (resized == updated)
def _original_image_fallback(self, url, post_id):
for _ in util.repeat(self.fallback_retries):
self.sleep(self.fallback_delay, "image token")
yield self._update_image_token(url)[0]
self.log.warning("Unable to fetch higher-resolution "
"version of %s (%s)", url, post_id)
class TumblrUserExtractor(TumblrExtractor):
"""Extractor for a Tumblr user's posts"""
subcategory = "user"
pattern = BASE_PATTERN + r"(?:/page/\d+|/archive)?/?$"
example = "https://www.tumblr.com/BLOG"
def posts(self):
return self.api.posts(self.blog, {})
class TumblrPostExtractor(TumblrExtractor):
"""Extractor for a single Tumblr post"""
subcategory = "post"
pattern = BASE_PATTERN + r"/(?:post/|image/)?(\d+)"
example = "https://www.tumblr.com/BLOG/12345"
def __init__(self, match):
TumblrExtractor.__init__(self, match)
self.post_id = match.group(4)
self.reblogs = True
self.date_min = 0
def posts(self):
return self.api.posts(self.blog, {"id": self.post_id})
@staticmethod
def _setup_posttypes():
return POST_TYPES
class TumblrTagExtractor(TumblrExtractor):
"""Extractor for Tumblr user's posts by tag"""
subcategory = "tag"
pattern = BASE_PATTERN + r"/tagged/([^/?#]+)"
example = "https://www.tumblr.com/BLOG/tagged/TAG"
def __init__(self, match):
TumblrExtractor.__init__(self, match)
self.tag = text.unquote(match.group(4).replace("-", " "))
def posts(self):
return self.api.posts(self.blog, {"tag": self.tag})
class TumblrDayExtractor(TumblrExtractor):
"""Extractor for Tumblr user's posts by day"""
subcategory = "day"
pattern = BASE_PATTERN + r"/day/(\d\d\d\d/\d\d/\d\d)"
example = "https://www.tumblr.com/BLOG/day/1970/01/01"
def __init__(self, match):
TumblrExtractor.__init__(self, match)
year, month, day = match.group(4).split("/")
self.ordinal = date(int(year), int(month), int(day)).toordinal()
def _init(self):
TumblrExtractor._init(self)
self.date_min = (
# 719163 == date(1970, 1, 1).toordinal()
(self.ordinal - 719163) * 86400)
self.api.before = self.date_min + 86400
def posts(self):
return self.api.posts(self.blog, {})
class TumblrLikesExtractor(TumblrExtractor):
"""Extractor for a Tumblr user's liked posts"""
subcategory = "likes"
directory_fmt = ("{category}", "{blog_name}", "likes")
archive_fmt = "f_{blog[name]}_{id}_{num}"
pattern = BASE_PATTERN + r"/likes"
example = "https://www.tumblr.com/BLOG/likes"
def posts(self):
return self.api.likes(self.blog)
class TumblrAPI(oauth.OAuth1API):
"""Interface for the Tumblr API v2
https://github.com/tumblr/docs/blob/master/api.md
"""
ROOT = "https://api.tumblr.com"
API_KEY = "O3hU2tMi5e4Qs5t3vezEi6L0qRORJ5y9oUpSGsrWu8iA3UCc3B"
API_SECRET = "sFdsK3PDdP2QpYMRAoq0oDnw0sFS24XigXmdfnaeNZpJpqAn03"
BLOG_CACHE = {}
def __init__(self, extractor):
oauth.OAuth1API.__init__(self, extractor)
self.posts_type = self.before = None
def info(self, blog):
"""Return general information about a blog"""
try:
return self.BLOG_CACHE[blog]
except KeyError:
endpoint = "/v2/blog/{}/info".format(blog)
params = {"api_key": self.api_key} if self.api_key else None
self.BLOG_CACHE[blog] = blog = self._call(endpoint, params)["blog"]
return blog
def avatar(self, blog, size="512"):
"""Retrieve a blog avatar"""
if self.api_key:
return "{}/v2/blog/{}/avatar/{}?api_key={}".format(
self.ROOT, blog, size, self.api_key)
endpoint = "/v2/blog/{}/avatar".format(blog)
params = {"size": size}
return self._call(
endpoint, params, allow_redirects=False)["avatar_url"]
def posts(self, blog, params):
"""Retrieve published posts"""
params["offset"] = self.extractor.config("offset")
params["limit"] = 50
params["reblog_info"] = "true"
params["type"] = self.posts_type
params["before"] = self.before
if self.before and params["offset"]:
self.log.warning("'offset' and 'date-max' cannot be used together")
return self._pagination(blog, "/posts", params, cache=True)
def likes(self, blog):
"""Retrieve liked posts"""
endpoint = "/v2/blog/{}/likes".format(blog)
params = {"limit": "50", "before": self.before}
if self.api_key:
params["api_key"] = self.api_key
while True:
posts = self._call(endpoint, params)["liked_posts"]
if not posts:
return
yield from posts
params["before"] = posts[-1]["liked_timestamp"]
def _call(self, endpoint, params, **kwargs):
url = self.ROOT + endpoint
kwargs["params"] = params
while True:
response = self.request(url, **kwargs)
try:
data = response.json()
except ValueError:
data = response.text
status = response.status_code
else:
status = data["meta"]["status"]
if 200 <= status < 400:
return data["response"]
self.log.debug(data)
if status == 403:
raise exception.AuthorizationError()
elif status == 404:
try:
error = data["errors"][0]["detail"]
board = ("only viewable within the Tumblr dashboard"
in error)
except Exception:
board = False
if board:
self.log.info("Run 'gallery-dl oauth:tumblr' "
"to access dashboard-only blogs")
raise exception.AuthorizationError(error)
raise exception.NotFoundError("user or post")
elif status == 429:
# daily rate limit
if response.headers.get("x-ratelimit-perday-remaining") == "0":
self.log.info("Daily API rate limit exceeded")
reset = response.headers.get("x-ratelimit-perday-reset")
api_key = self.api_key or self.session.auth.consumer_key
if api_key == self.API_KEY:
self.log.info(
"Register your own OAuth application and use its "
"credentials to prevent this error: "
"https://gdl-org.github.io/docs/configuration.html"
"#extractor-tumblr-api-key-api-secret")
if self.extractor.config("ratelimit") == "wait":
self.extractor.wait(seconds=reset)
continue
t = (datetime.now() + timedelta(0, float(reset))).time()
raise exception.StopExtraction(
"Aborting - Rate limit will reset at %s",
"{:02}:{:02}:{:02}".format(t.hour, t.minute, t.second))
# hourly rate limit
reset = response.headers.get("x-ratelimit-perhour-reset")
if reset:
self.log.info("Hourly API rate limit exceeded")
self.extractor.wait(seconds=reset)
continue
raise exception.StopExtraction(data)
def _pagination(self, blog, endpoint, params, key="posts", cache=False):
endpoint = "/v2/blog/{}{}".format(blog, endpoint)
if self.api_key:
params["api_key"] = self.api_key
strategy = self.extractor.config("pagination")
while True:
data = self._call(endpoint, params)
if cache:
self.BLOG_CACHE[blog] = data["blog"]
cache = False
posts = data[key]
yield from posts
if strategy == "api":
try:
endpoint = data["_links"]["next"]["href"]
except KeyError:
return
params = None
if self.api_key:
endpoint += "&api_key=" + self.api_key
elif strategy == "before":
if not posts:
return
timestamp = posts[-1]["timestamp"] + 1
if params["before"] and timestamp >= params["before"]:
return
params["before"] = timestamp
params["offset"] = None
else: # offset
params["offset"] = \
text.parse_int(params["offset"]) + params["limit"]
params["before"] = None
if params["offset"] >= data["total_posts"]:
return