297 lines
11 KiB
Python
297 lines
11 KiB
Python
import re
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import shutil
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import sys
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from pathlib import Path
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import mangadlp.downloader as downloader
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import mangadlp.utils as utils
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# supported api's
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from mangadlp.api.mangadex import Mangadex
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class MangaDLP:
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"""Download Mangas from supported sites.
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After initialization, start the script with the function get_manga().
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:param url_uuid: URL or UUID of the manga
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:param language: Manga language with country codes. "en" --> english
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:param chapters: Chapters to download, "all" for every chapter available
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:param list_chapters: List all available chapters and exit
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:param file_format: Archive format to create. An empty string means don't archive the folder
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:param forcevol: Force naming of volumes. Useful for mangas where chapters reset each volume
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:param download_path: Download path. Defaults to '<script_dir>/downloads'
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:param download_wait: Time to wait for each picture to download in seconds
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:param verbose: If verbose logging is enabled
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:return: Nothing. Just the files
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"""
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def __init__(
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self,
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url_uuid: str,
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language: str = "en",
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chapters: str = "",
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list_chapters: bool = False,
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file_format: str = "cbz",
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forcevol: bool = False,
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download_path: str = "downloads",
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download_wait: float = 0.5,
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verbose: bool = False,
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) -> None:
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# init parameters
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self.url_uuid = url_uuid
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self.language = language
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self.chapters = chapters
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self.list_chapters = list_chapters
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self.file_format = file_format
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self.forcevol = forcevol
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self.download_path = download_path
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self.download_wait = download_wait
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self.verbose = verbose
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# prepare everything
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self._prepare()
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def _prepare(self) -> None:
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# additional stuff
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# set manga format suffix
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if self.file_format and "." not in self.file_format:
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self.file_format = f".{self.file_format}"
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# start prechecks
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self.pre_checks()
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# init api
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self.api_used = self.check_api(self.url_uuid)
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self.api = self.api_used(
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self.url_uuid, self.language, self.forcevol, self.verbose
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)
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# get manga title and uuid
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self.manga_uuid = self.api.manga_uuid
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self.manga_title = self.api.manga_title
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# get chapter list
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self.manga_chapter_list = self.api.chapter_list
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self.manga_path = Path(f"{self.download_path}/{self.manga_title}")
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def pre_checks(self) -> None:
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# prechecks userinput/options
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# no url and no readin list given
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if not self.url_uuid:
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print(
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f'ERR: You need to specify a manga url/uuid with "-u" or a list with "--read"'
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)
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sys.exit(1)
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# checks if --list is not used
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if not self.list_chapters:
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if self.chapters is None:
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# no chapters to download were given
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print(
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f'ERR: You need to specify one or more chapters to download. To see all chapters use "--list"'
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)
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sys.exit(1)
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# if forcevol is used, but didn't specify a volume in the chapters selected
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if self.forcevol and ":" not in self.chapters:
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print(f"ERR: You need to specify the volume if you use --forcevol")
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sys.exit(1)
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# if forcevol is not used, but a volume is specified
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if not self.forcevol and ":" in self.chapters:
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print(f"ERR: Don't specify the volume without --forcevol")
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sys.exit(1)
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# check the api which needs to be used
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def check_api(self, url_uuid: str) -> type:
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# apis to check
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api_mangadex = re.compile("mangadex.org")
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api_mangadex2 = 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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api_test = re.compile("test.test")
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# check url for match
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if api_mangadex.search(url_uuid) or api_mangadex2.search(url_uuid):
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return Mangadex
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# this is only for testing multiple apis
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if api_test.search(url_uuid):
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print("Not supported yet")
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sys.exit(1)
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# no supported api found
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print(f"ERR: No supported api in link/uuid found: {url_uuid}")
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raise ValueError
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# once called per manga
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def get_manga(self) -> None:
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# create empty skipped chapters list
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skipped_chapters = []
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error_chapters = []
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# show infos
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print_divider = "========================================="
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print(f"\n{print_divider}")
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print(f"INFO: Manga Name: {self.manga_title}")
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print(f"INFO: Manga UUID: {self.manga_uuid}")
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print(f"INFO: Total chapters: {len(self.manga_chapter_list)}")
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# list chapters if list_chapters is true
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if self.list_chapters:
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print(f"INFO: Available Chapters:\n{', '.join(self.manga_chapter_list)}")
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print(f"{print_divider}\n")
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return None
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# check chapters to download if not all
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if self.chapters.lower() == "all":
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chapters_to_download = self.manga_chapter_list
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else:
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chapters_to_download = utils.get_chapter_list(
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self.chapters, self.manga_chapter_list
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)
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# show chapters to download
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print(f"INFO: Chapters selected:\n{', '.join(chapters_to_download)}")
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print(f"{print_divider}\n")
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# create manga folder
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self.manga_path.mkdir(parents=True, exist_ok=True)
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# get chapters
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for chapter in chapters_to_download:
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return_infos = self.get_chapter(chapter)
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error_chapters.append(return_infos.get("error"))
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skipped_chapters.append(return_infos.get("skipped"))
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if self.file_format and return_infos["chapter_path"]:
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return_infos = self.archive_chapter(return_infos["chapter_path"])
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error_chapters.append(return_infos.get("error"))
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skipped_chapters.append(return_infos.get("skipped"))
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# check if chapter was skipped
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try:
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return_infos["skipped"]
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# chapter was not skipped
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except KeyError:
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# done with chapter
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print("INFO: Done with chapter\n")
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# done with manga
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print(f"{print_divider}")
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print(f"INFO: Done with manga: {self.manga_title}")
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# filter skipped list
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skipped_chapters = list(filter(None, skipped_chapters))
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if len(skipped_chapters) >= 1:
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print(f"INFO: Skipped chapters:\n{', '.join(skipped_chapters)}")
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# filter error list
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error_chapters = list(filter(None, error_chapters))
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if len(error_chapters) >= 1:
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print(f"INFO: Chapters with errors:\n{', '.join(error_chapters)}")
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print(f"{print_divider}\n")
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# once called per chapter
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def get_chapter(self, chapter: str) -> dict:
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# get chapter infos
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chapter_infos = self.api.get_chapter_infos(chapter)
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# get image urls for chapter
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try:
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chapter_image_urls = self.api.get_chapter_images(
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chapter, self.download_wait
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)
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except KeyboardInterrupt:
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print("ERR: Stopping")
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sys.exit(1)
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# check if the image urls are empty. if yes skip this chapter (for mass downloads)
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if not chapter_image_urls:
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print(
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f"ERR: No images: Skipping Vol. {chapter_infos['volume']} Ch.{chapter_infos['chapter']}"
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)
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# add to skipped chapters list
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return (
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{
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"error": f"{chapter_infos['volume']}:{chapter_infos['chapter']}",
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"chapter_path": None,
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}
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if self.forcevol
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else {"error": f"{chapter_infos['chapter']}", "chapter_path": None}
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)
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# get filename for chapter (without suffix)
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chapter_filename = utils.get_filename(
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chapter_infos["name"], chapter_infos["volume"], chapter, self.forcevol
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)
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# set download path for chapter (image folder)
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chapter_path = self.manga_path / chapter_filename
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# set archive path with file format
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chapter_archive_path = Path(f"{chapter_path}{self.file_format}")
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# check if chapter already exists
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# check for folder, if file format is an empty string
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if chapter_archive_path.exists():
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print(f"INFO: '{chapter_archive_path}' already exists. Skipping")
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# add to skipped chapters list
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return (
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{
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"skipped": f"{chapter_infos['volume']}:{chapter_infos['chapter']}",
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"chapter_path": None,
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}
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if self.forcevol
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else {"skipped": f"{chapter_infos['chapter']}", "chapter_path": None}
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)
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# create chapter folder (skips it if it already exists)
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chapter_path.mkdir(parents=True, exist_ok=True)
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# verbose log
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if self.verbose:
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print(f"INFO: Chapter UUID: {chapter_infos['uuid']}")
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print(f"INFO: Filename: '{chapter_archive_path.name}'\n")
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print(f"INFO: File path: '{chapter_archive_path}'\n")
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print(f"INFO: Image URLS:\n{chapter_image_urls}\n")
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# log
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print(f"INFO: Downloading: '{chapter_filename}'")
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# download images
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try:
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downloader.download_chapter(
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chapter_image_urls, chapter_path, self.download_wait, self.verbose
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)
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except KeyboardInterrupt:
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print("ERR: Stopping")
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sys.exit(1)
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except:
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print(f"ERR: Cant download: '{chapter_filename}'. Skipping")
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# add to skipped chapters list
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return (
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{
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"error": f"{chapter_infos['volume']}:{chapter_infos['chapter']}",
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"chapter_path": None,
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}
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if self.forcevol
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else {"error": f"{chapter_infos['chapter']}", "chapter_path": None}
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)
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else:
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# Done with chapter
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print(f"INFO: Successfully downloaded: '{chapter_filename}'")
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return {"chapter_path": chapter_path}
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# create an archive of the chapter if needed
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def archive_chapter(self, chapter_path: Path) -> dict:
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print(f"INFO: Creating '{self.file_format}' archive")
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try:
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# check if image folder is existing
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if not chapter_path.exists():
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print(f"ERR: Image folder: {chapter_path} does not exist")
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raise IOError
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if self.file_format == ".pdf":
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utils.make_pdf(chapter_path)
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else:
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utils.make_archive(chapter_path, self.file_format)
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except:
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print(f"ERR: Archive error. Skipping chapter")
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# add to skipped chapters list
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return {
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"error": chapter_path,
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}
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else:
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# remove image folder
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shutil.rmtree(chapter_path)
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return {}
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