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#!/usr/bin/env python3
import os
import time
import sys
import requests
import json
from lxml import etree
headers = {
'User-Agent': "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.163 Safari/537.36"
}
def usage():
print("mangakatana.py command")
print("commands:")
print(" download")
print(" list")
exit(1)
def usage_list():
print("mangakatana.py list <url>")
exit(1)
def usage_download():
print("mangakatana.py download <url> <download_dir>")
print("examples:")
print(" mangakatana.py download \"http://mangakatana.com/manga/useless-ponko.22679\" /home/user/Manga/MangaName")
print("")
print("Note: The manga directory has to exist.")
exit(1)
if len(sys.argv) < 2:
usage()
def download_file(url, save_path):
file_size = 0
with requests.get(url, headers=headers, stream=True, timeout=30) as response:
if not response.ok:
return 0
with open(save_path, "wb") as file:
for chunk in response.iter_content(chunk_size=8192):
if chunk:
file.write(chunk)
file_size += len(chunk)
return file_size
def list_chapters(url, chapter_list_input):
response = requests.get(url, headers=headers, timeout=30)
response.raise_for_status()
seen_titles = set()
for item in chapter_list_input:
title = item.get("title")
if title and len(title) > 0:
seen_titles.add(title.lower().replace(" ", "").replace("/", "_"))
seen_urls = set()
for item in chapter_list_input:
chapter_url = item.get("url")
if chapter_url and len(chapter_url) > 0:
seen_urls.add(chapter_url)
tree = etree.HTML(response.text)
chapters = []
for element in tree.xpath('//div[@class="chapters"]//div[@class="chapter"]//a[1]'):
element_text = element.text.strip().replace("/", "_")
url = element.attrib.get("href").strip()
if element_text.lower().replace(" ", "") in seen_titles or url in seen_urls:
break
chapters.append({ "name": element_text, "url": url })
print(json.dumps(chapters))
def get_javascript_array_string(html_source, var_name):
sources_start = html_source.find(var_name + "=[")
if sources_start == -1:
return []
sources_start += len(var_name) + 2
sources_end = html_source.find("]", sources_start)
if sources_end == -1:
return []
return html_source[sources_start:sources_end].replace("'", "").split(",")
def download_chapter(url, download_dir):
response = requests.get(url, timeout=30)
response.raise_for_status()
in_progress_filepath = os.path.join(download_dir, ".in_progress")
with open(in_progress_filepath, "w") as file:
file.write(url)
response_text = response.text
urls_ytaw = get_javascript_array_string(response_text, "ytaw")
urls_htnc = get_javascript_array_string(response_text, "htnc")
image_sources = urls_ytaw if len(urls_ytaw) >= len(urls_htnc) else urls_htnc
img_number = 1
for image_source in image_sources:
image_source = image_source.strip()
if not image_source:
continue
ext = image_source[image_source.rfind("."):]
image_name = str(img_number) + ext
image_path = os.path.join(download_dir, image_name)
print("Downloading {} to {}".format(image_source, image_path))
if not download_file(image_source, image_path):
image_source = image_source.replace("://i3", "://i2")
if not download_file(image_source, image_path):
print("Failed to download image: %s" % image_source)
os.remove(in_progress_filepath)
exit(2)
img_number += 1
if img_number == 1:
print("Failed to find images for chapter")
os.remove(in_progress_filepath)
exit(2)
with open(os.path.join(download_dir, ".finished"), "w") as file:
file.write("1")
os.remove(in_progress_filepath)
command = sys.argv[1]
if command == "list":
if len(sys.argv) < 3:
usage_list()
url = sys.argv[2]
chapter_list_input = sys.stdin.read()
if len(chapter_list_input) == 0:
chapter_list_input = []
else:
chapter_list_input = json.loads(chapter_list_input)
list_chapters(url, chapter_list_input)
elif command == "download":
if len(sys.argv) < 4:
usage_download()
url = sys.argv[2]
download_dir = sys.argv[3]
download_chapter(url, download_dir)
else:
usage()
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