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gallery-dl/gallery_dl/extractor/imagechest.py
Mike Fährmann d1f2ef3b7b
[imagechest] update
- don't load HTML page when using API
- restructure some code
- add more methods to ImagechestAPI
2023-05-22 22:42:16 +02:00

149 lines
4.8 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2020 Leonid "Bepis" Pavel
# Copyright 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://imgchest.com/"""
from .common import GalleryExtractor
from .. import text, exception
class ImagechestGalleryExtractor(GalleryExtractor):
"""Extractor for image galleries from imgchest.com"""
category = "imagechest"
root = "https://imgchest.com"
pattern = r"(?:https?://)?(?:www\.)?imgchest\.com/p/([A-Za-z0-9]{11})"
test = (
("https://imgchest.com/p/3na7kr3by8d", {
"pattern": r"https://cdn\.imgchest\.com/files/\w+\.(jpg|png)",
"keyword": {
"count": 3,
"gallery_id": "3na7kr3by8d",
"num": int,
"title": "Wizardry - Video Game From The Mid 80's",
},
"url": "7328ca4ec2459378d725e3be19f661d2b045feda",
"content": "076959e65be30249a2c651fbe6090dc30ba85193",
"count": 3
}),
# "Load More Files" button (#4028)
("https://imgchest.com/p/9p4n3q2z7nq", {
"pattern": r"https://cdn\.imgchest\.com/files/\w+\.(jpg|png)",
"url": "f5674e8ba79d336193c9f698708d9dcc10e78cc7",
"count": 52,
}),
("https://imgchest.com/p/xxxxxxxxxxx", {
"exception": exception.NotFoundError,
}),
)
def __init__(self, match):
self.gallery_id = match.group(1)
url = self.root + "/p/" + self.gallery_id
GalleryExtractor.__init__(self, match, url)
self.access_token = self.config("access-token")
if self.access_token:
self.gallery_url = None
self.metadata = self._metadata_api
self.images = self._images_api
def metadata(self, page):
if "Sorry, but the page you requested could not be found." in page:
raise exception.NotFoundError("gallery")
return {
"gallery_id": self.gallery_id,
"title": text.unescape(text.extr(
page, 'property="og:title" content="', '"').strip())
}
def images(self, page):
if " More Files</button>" in page:
url = "{}/p/{}/loadAll".format(self.root, self.gallery_id)
headers = {
"X-Requested-With": "XMLHttpRequest",
"Origin" : self.root,
"Referer" : self.gallery_url,
}
csrf_token = text.extr(page, 'name="csrf-token" content="', '"')
data = {"_token": csrf_token}
page += self.request(
url, method="POST", headers=headers, data=data).text
return [
(url, None)
for url in text.extract_iter(page, 'data-url="', '"')
]
def _metadata_api(self, page):
api = ImagechestAPI(self, self.access_token)
post = api.post(self.gallery_id)
post["date"] = text.parse_datetime(
post["created"], "%Y-%m-%dT%H:%M:%S.%fZ")
for img in post["images"]:
img["date"] = text.parse_datetime(
img["created"], "%Y-%m-%dT%H:%M:%S.%fZ")
post["gallery_id"] = self.gallery_id
post.pop("image_count", None)
self._image_list = post.pop("images")
return post
def _images_api(self, page):
return [
(img["link"], img)
for img in self._image_list
]
class ImagechestAPI():
"""Interface for the Image Chest API
https://imgchest.com/docs/api/1.0/general/overview
"""
root = "https://api.imgchest.com"
def __init__(self, extractor, access_token):
self.extractor = extractor
self.headers = {"Authorization": "Bearer " + access_token}
def file(self, file_id):
endpoint = "/v1/file/" + file_id
return self._call(endpoint)
def post(self, post_id):
endpoint = "/v1/post/" + post_id
return self._call(endpoint)
def user(self, username):
endpoint = "/v1/user/" + username
return self._call(endpoint)
def _call(self, endpoint):
url = self.root + endpoint
while True:
response = self.extractor.request(
url, headers=self.headers, fatal=None, allow_redirects=False)
if response.status_code < 300:
return response.json()["data"]
elif response.status_code < 400:
raise exception.AuthenticationError("Invalid API access token")
elif response.status_code == 429:
self.extractor.wait(seconds=600)
else:
self.extractor.log.debug(response.text)
raise exception.StopExtraction("API request failed")