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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("mangatown.py command")
print("commands:")
print(" download")
print(" list")
exit(1)
def usage_list():
print("mangatown.py list <url>")
exit(1)
def usage_download():
print("mangatown.py download <url> <download_dir>")
print("examples:")
print(" mangatown.py download \"https://www.mangatown.com/manga/naruto/v63/c700.2/\" /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) 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)
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('//ul[@class="chapter_list"]//a'):
element_text = element.text.strip().replace("/", "_")
url = element.attrib.get("href").strip()
if "/manga/" not in url:
continue
url = "https://www.mangatown.com" + url
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 is_only_num(s):
for c in s:
if c < '0' or c > '9':
return False
return True
def download_chapter(url, download_dir):
if not url[-1] == '/':
url += '/'
response = requests.get(url, headers=headers)
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)
tree = etree.HTML(response.text)
num_pages = 0
for element in tree.xpath('//div[@class="page_select"]//option'):
value = element.attrib.get("value", "")
if "/manga/" in value and is_only_num(element.text):
num_pages = int(element.text)
if num_pages == 0:
print("Failed to find number of pages for chapter")
os.remove(in_progress_filepath)
exit(2)
img_number = 1
page_url = url
while img_number <= num_pages:
image_sources = tree.xpath("//img[@id='image']/@src")
if not image_sources or len(image_sources) == 0:
print("Failed to find images %d for chapter" % img_number)
os.remove(in_progress_filepath)
exit(2)
image_source = "https:" + image_sources[0]
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))
file_size = download_file(image_source, image_path)
if file_size < 255:
print("resource temporary unavailable: %s" % image_source)
os.remove(in_progress_filepath)
exit(2)
img_number += 1
if img_number - 1 == num_pages:
break
next_page_urls = tree.xpath("//a[@class='next_page']/@href")
if not next_page_urls or len(next_page_urls) == 0:
break
next_page_url = url + next_page_urls[0]
page_url = next_page_url
response = requests.get(page_url, headers=headers)
if not response.ok:
print("Failed to get next page for chapter")
os.remove(in_progress_filepath)
exit(2)
tree = etree.HTML(response.text)
if img_number == 1 or (img_number - 1 != num_pages):
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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