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#!/usr/bin/env python3
import os
import json
import re
import requests
class Chapter:
id = ""
title = ""
time = ""
class Manga:
id = ""
updated = ""
chapters = None
directory = ""
def __init__(self):
self.chapters = []
# Returns None if the manga is not tracked using mangadex or if it has already been migrated
def manga_data_file_read(filepath):
with open(filepath, "rb") as file:
data = json.load(file)
if data["plugin"] != "mangadex.py":
return None
manga_link = data["link"]
title_search = re.search(r"/title/([0-9]+)", manga_link)
if not title_search or len(title_search.groups()) == 0:
print("Mangadex manga already migrated: %s" % manga_link)
return None
manga_data = Manga()
manga_data.id = int(title_search.group(1))
manga_data.updated = data["updated"]
downloaded = data.get("downloaded")
if type(downloaded) is list:
for downloaded_item in downloaded:
chapter_url = downloaded_item["url"]
chapter_title_search = re.search(r"chapter/([0-9]+)", chapter_url)
if not chapter_title_search:
print("Failed to extract title from manga %s, chapter %s" % (manga_link, chapter_url))
exit(1)
chapter_data = Chapter()
chapter_data.id = int(chapter_title_search.group(1))
chapter_data.title = downloaded_item["title"]
chapter_data.time = downloaded_item["time"]
manga_data.chapters.append(chapter_data)
return manga_data
# Returns a list with tuple where the first element is the legacy id and the second element is the new id
def legacy_id_to_new_id(ids, type):
mapping = []
id_start = 0
while id_start < len(ids):
id_end = min(id_start + 1000, len(ids))
if id_end - id_start == 0:
break
response = requests.post("https://api.mangadex.org/legacy/mapping", json={"type": type, "ids": ids[id_start:id_end]})
response.raise_for_status()
response_json = response.json()
for response_item in response_json:
if response_item["result"] != "ok":
print("legacy mapping returned an error")
exit(1)
attributes = response_item["data"]["attributes"]
mapping.append((attributes["legacyId"], attributes["newId"]))
id_start = id_end
if len(mapping) != len(ids):
print("Failed to get the legacy to new id mapping for all ids. Got %d mappings, expected %d" % (len(mapping), len(ids)))
exit(1)
return mapping
def get_manga_by_id(manga_list, manga_id):
for manga_data in manga_list:
if manga_data.id == manga_id:
return manga_data
def get_chapter_by_id_in_legacy_mapping(legacy_chapter_ids_to_new_ids, id):
for chapter_id_mapping in legacy_chapter_ids_to_new_ids:
if chapter_id_mapping[0] == id:
return chapter_id_mapping
def file_overwrite_atomic(filepath, content):
tmp_filepath = filepath + ".tmp"
with open(tmp_filepath, "wb") as file:
file.write(content.encode())
file.flush()
os.fsync(file.fileno())
os.rename(tmp_filepath, filepath)
if __name__ == "__main__":
migrate_finished_filepath = os.path.expanduser("~/.config/automedia/mangadex-upgraded")
if os.path.isfile(migrate_finished_filepath):
print("Mangadex tracked manga have already migrated, nothing to do")
exit(0)
tracked_dir = os.path.expanduser("~/.config/automedia/html/tracked")
manga_list = []
for manga_name in os.listdir(tracked_dir):
manga_tracked_dir = os.path.join(tracked_dir, manga_name)
manga_data_file = os.path.join(manga_tracked_dir, "data")
manga_data = manga_data_file_read(manga_data_file)
if manga_data:
manga_data.directory = os.path.join(tracked_dir, manga_name)
manga_list.append(manga_data)
manga_ids = []
chapter_ids = []
cc = {}
for manga_data in manga_list:
manga_ids.append(manga_data.id)
for chapter_data in manga_data.chapters:
chapter_ids.append(chapter_data.id)
legancy_manga_ids_to_new_ids = legacy_id_to_new_id(manga_ids, "manga")
legacy_chapter_ids_to_new_ids = legacy_id_to_new_id(chapter_ids, "chapter")
for manga_id in legancy_manga_ids_to_new_ids:
manga_data = get_manga_by_id(manga_list, manga_id[0])
if not manga_data:
print("Failed to get manga by id: %s" % manga_id[0])
exit(1)
new_manga_link = str(manga_id[1])
new_manga_data = {}
new_manga_data["plugin"] = "mangadex.py"
new_manga_data["link"] = new_manga_link
new_manga_data["updated"] = manga_data.updated
downloaded = []
for chapter_data in manga_data.chapters:
chapter_id_mapping = get_chapter_by_id_in_legacy_mapping(legacy_chapter_ids_to_new_ids, chapter_data.id)
if not chapter_id_mapping:
print("Failed to get new id from manga %d, chapter %d" % (manga_data.id, chapter_data.id))
exit(1)
downloaded_item = {}
downloaded_item["title"] = chapter_data.title
downloaded_item["time"] = chapter_data.time
downloaded_item["url"] = chapter_id_mapping[1]
downloaded.append(downloaded_item)
new_manga_data["downloaded"] = downloaded
file_overwrite_atomic(os.path.join(manga_data.directory, "link"), new_manga_link)
new_manga_data_str = json.dumps(new_manga_data, indent=4)
file_overwrite_atomic(os.path.join(manga_data.directory, "data"), new_manga_data_str)
file_overwrite_atomic(migrate_finished_filepath, "1")
print("Successfully migrated %d manga with a total of %d chapters" % (len(manga_ids), len(chapter_ids)))
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