Ivan Schaller
5e28cb1088
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Signed-off-by: Ivan Schaller <ivan@schaller.sh>
288 lines
11 KiB
Python
288 lines
11 KiB
Python
import re
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from time import sleep
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import requests
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from loguru import logger as log
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from mangadlp import utils
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class Mangadex:
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"""Mangadex API Class.
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Get infos for a manga from mangadex.org.
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Args:
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url_uuid (str): URL or UUID of the manga
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language (str): Manga language with country codes. "en" --> english
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forcevol (bool): Force naming of volumes. Useful for mangas where chapters reset each volume
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Attributes:
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api_name (str): Name of the API
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manga_uuid (str): UUID of the manga, without the url part
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manga_data (dict): Infos of the manga. Name, title etc
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manga_title (str): The title of the manga, sanitized for all file systems
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manga_chapter_data (dict): All chapter data of the manga. Volumes, chapters, chapter uuids and chapter names
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chapter_list (list): A list of all available chapters for the language
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"""
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# api information
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api_base_url = "https://api.mangadex.org"
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img_base_url = "https://uploads.mangadex.org"
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# get infos to initiate class
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def __init__(self, url_uuid: str, language: str, forcevol: bool):
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# static info
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self.api_name = "Mangadex"
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self.url_uuid = url_uuid
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self.language = language
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self.forcevol = forcevol
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# api stuff
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self.api_content_ratings = "contentRating[]=safe&contentRating[]=suggestive&contentRating[]=erotica&contentRating[]=pornographic"
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self.api_language = f"translatedLanguage[]={self.language}"
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self.api_additions = f"{self.api_language}&{self.api_content_ratings}"
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# infos from functions
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self.manga_uuid = self.get_manga_uuid()
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self.manga_data = self.get_manga_data()
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self.manga_title = self.get_manga_title()
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self.manga_chapter_data = self.get_chapter_data()
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self.chapter_list = self.create_chapter_list()
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# get the uuid for the manga
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def get_manga_uuid(self) -> str:
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# isolate id from url
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uuid_regex = re.compile(
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"[a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12}"
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)
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# try to get uuid in string
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try:
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uuid = uuid_regex.search(self.url_uuid)[0] # type: ignore
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except Exception as exc:
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log.error("No valid UUID found")
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raise exc
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return uuid
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# make initial request
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def get_manga_data(self) -> dict:
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log.debug(f"Getting manga data for: {self.manga_uuid}")
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counter = 1
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while counter <= 3:
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try:
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response = requests.get(
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f"{self.api_base_url}/manga/{self.manga_uuid}", timeout=10
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)
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except Exception as exc:
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if counter >= 3:
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log.error("Maybe the MangaDex API is down?")
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raise exc
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log.error("Mangadex API not reachable. Retrying")
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sleep(2)
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counter += 1
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else:
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break
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# check if manga exists
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if response.json()["result"] != "ok":
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log.error("Manga not found")
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raise KeyError
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return response.json()["data"]
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# get the title of the manga (and fix the filename)
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def get_manga_title(self) -> str:
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log.debug(f"Getting manga title for: {self.manga_uuid}")
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attributes = self.manga_data["attributes"]
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# try to get the title in requested language
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try:
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title = attributes["title"][self.language]
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except KeyError:
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log.info("Manga title not found in requested language. Trying alt titles")
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else:
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log.debug(f"Language={self.language}, Title='{title}'")
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return utils.fix_name(title)
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# search in alt titles
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try:
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log.debug(f"Alt titles: {attributes['altTitles']}")
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for item in attributes["altTitles"]:
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if item.get(self.language):
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alt_title = item
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break
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title = alt_title[self.language]
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except (KeyError, UnboundLocalError):
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log.warning(
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"Manga title also not found in alt titles. Falling back to english title"
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)
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else:
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log.debug(f"Language={self.language}, Alt-title='{title}'")
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return utils.fix_name(title)
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title = attributes["title"]["en"]
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log.debug(f"Language=en, Fallback-title='{title}'")
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return utils.fix_name(title)
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# check if chapters are available in requested language
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def check_chapter_lang(self) -> int:
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log.debug(f"Checking for chapters in specified language for: {self.manga_uuid}")
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r = requests.get(
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f"{self.api_base_url}/manga/{self.manga_uuid}/feed?limit=0&{self.api_additions}",
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timeout=10,
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)
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try:
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total_chapters = r.json()["total"]
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except Exception as exc:
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log.error(
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"Error retrieving the chapters list. Did you specify a valid language code?"
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)
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raise exc
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if total_chapters == 0:
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log.error("No chapters available to download in specified language")
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raise KeyError
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log.debug(f"Total chapters={total_chapters}")
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return total_chapters
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# get chapter data like name, uuid etc
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def get_chapter_data(self) -> dict:
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log.debug(f"Getting chapter data for: {self.manga_uuid}")
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api_sorting = "order[chapter]=asc&order[volume]=asc"
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# check for chapters in specified lang
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total_chapters = self.check_chapter_lang()
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chapter_data = {}
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last_volume, last_chapter = ("", "")
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offset = 0
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while offset < total_chapters: # if more than 500 chapters
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r = requests.get(
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f"{self.api_base_url}/manga/{self.manga_uuid}/feed?{api_sorting}&limit=500&offset={offset}&{self.api_additions}",
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timeout=10,
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)
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for chapter in r.json()["data"]:
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attributes: dict = chapter["attributes"]
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# chapter infos from feed
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chapter_num: str = attributes.get("chapter") or ""
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chapter_vol: str = attributes.get("volume") or ""
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chapter_uuid: str = chapter.get("id") or ""
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chapter_name: str = attributes.get("title") or ""
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chapter_external: str = attributes.get("externalUrl") or ""
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chapter_pages: int = attributes.get("pages") or 0
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# check for chapter title and fix it
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if chapter_name:
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chapter_name = utils.fix_name(chapter_name)
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# check if the chapter is external (can't download them)
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if chapter_external:
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log.debug(f"Chapter is external. Skipping: {chapter_name}")
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continue
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# check if its duplicate from the last entry
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if last_volume == chapter_vol and last_chapter == chapter_num:
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continue
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# export chapter data as a dict
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chapter_index = (
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chapter_num if not self.forcevol else f"{chapter_vol}:{chapter_num}"
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)
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chapter_data[chapter_index] = {
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"uuid": chapter_uuid,
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"volume": chapter_vol,
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"chapter": chapter_num,
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"name": chapter_name,
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"pages": chapter_pages,
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}
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# add last chapter to duplicate check
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last_volume, last_chapter = (chapter_vol, chapter_num)
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# increase offset for mangas with more than 500 chapters
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offset += 500
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return chapter_data
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# get images for the chapter (mangadex@home)
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def get_chapter_images(self, chapter: str, wait_time: float) -> list:
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log.debug(f"Getting chapter images for: {self.manga_uuid}")
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athome_url = f"{self.api_base_url}/at-home/server"
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chapter_uuid = self.manga_chapter_data[chapter]["uuid"]
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# retry up to two times if the api applied rate limits
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api_error = False
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counter = 1
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while counter <= 3:
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try:
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r = requests.get(f"{athome_url}/{chapter_uuid}", timeout=10)
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api_data = r.json()
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if api_data["result"] != "ok":
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log.error(f"No chapter with the id {chapter_uuid} found")
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api_error = True
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raise IndexError
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if api_data["chapter"]["data"] is None:
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log.error(f"No chapter data found for chapter {chapter_uuid}")
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api_error = True
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raise IndexError
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# no error
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api_error = False
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break
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except Exception:
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if counter >= 3:
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api_error = True
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log.error("Retrying in a few seconds")
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counter += 1
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sleep(wait_time + 2)
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# check if result is ok
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else:
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if api_error:
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return []
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chapter_hash = api_data["chapter"]["hash"]
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chapter_img_data = api_data["chapter"]["data"]
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# get list of image urls
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image_urls = []
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for image in chapter_img_data:
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image_urls.append(f"{self.img_base_url}/data/{chapter_hash}/{image}")
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sleep(wait_time)
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return image_urls
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# create list of chapters
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def create_chapter_list(self) -> list:
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log.debug(f"Creating chapter list for: {self.manga_uuid}")
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chapter_list = []
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for data in self.manga_chapter_data.values():
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chapter_number: str = data["chapter"]
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volume_number: str = data["volume"]
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if self.forcevol:
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chapter_list.append(f"{volume_number}:{chapter_number}")
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else:
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chapter_list.append(chapter_number)
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return chapter_list
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def create_metadata(self, chapter: str) -> dict:
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log.info("Creating metadata from api")
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chapter_data = self.manga_chapter_data[chapter]
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try:
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volume = int(chapter_data.get("volume"))
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except (ValueError, TypeError):
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volume = None
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metadata = {
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"Volume": volume,
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"Number": chapter_data.get("chapter"),
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"PageCount": chapter_data.get("pages"),
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"Title": chapter_data.get("name"),
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"Series": self.manga_title,
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"Count": len(self.manga_chapter_data),
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"LanguageISO": self.language,
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"Summary": self.manga_data["attributes"]["description"].get("en"),
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"Genre": self.manga_data["attributes"].get("publicationDemographic"),
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"Web": f"https://mangadex.org/title/{self.manga_uuid}",
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}
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return metadata
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