Add support for lhtranslation manga website

1 files changed, 116 insertions, 0 deletions

diff --git a/plugins/lhtranslation.py b/plugins/lhtranslation.py
new file mode 100755
index 0000000..a90f579
--- /dev/null
+++ b/plugins/lhtranslation.py
@@ -0,0 +1,116 @@
+#!/usr/bin/env python3
+
+import os
+import time
+import sys
+import requests
+import json
+import subprocess
+
+from lxml import etree
+
+def usage():
+    print("lhtranslation.py command")
+    print("commands:")
+    print("  download")
+    print("  list")
+    exit(1)
+
+def usage_list():
+    print("lhtranslation.py list <url>")
+    exit(1)
+
+def usage_download():
+    print("lhtranslation.py download <url> <download_dir>")
+    print("examples:")
+    print("  lhtranslation.py download \"https://lhtranslation.net/manga-kaifuku-jutsushi-no-yarinaoshi.html\" /home/adam/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):
+    process = subprocess.Popen(["wget", "-q", "-o", "/dev/null", "-O", save_path, url], stderr=subprocess.PIPE)
+    _, stderr = process.communicate()
+    if process.returncode != 0:
+        print("Failed to download file: {}, error: {}".format(url, stderr.decode('utf-8')))
+        return False
+    return True
+
+def list_chapters(url, chapter_list_input):
+    response = requests.get(url)
+    if response.status_code != 200:
+        print("Failed to list chapters, server responded with status code %d" % response.status_code)
+        exit(2)
+
+    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(" ", ""))
+
+    seen_urls = set()
+    for item in chapter_list_input:
+        url = item.get("url")
+        if url and len(url) > 0:
+            seen_urls.add(url)
+
+    tree = etree.HTML(response.text)
+    chapters = []
+    for element in tree.xpath("//div[@class='list-chapters']//a[@class='chapter']"):
+        title = element.attrib.get("title").strip()
+        url = element.attrib.get("href").strip()
+        if title.lower().replace(" ", "") in seen_titles or url in seen_urls:
+            break
+        chapters.append({ "name": title, "url": url })
+    print(json.dumps(chapters))
+
+def download_chapter(url, download_dir):
+    response = requests.get(url)
+    if response.status_code != 200:
+        print("Failed to list chapters, server responded with status code %d" % response.status_code)
+        exit(2)
+
+    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)
+    img_number = 1
+    for image_source in tree.xpath("//article[@id='content']//img/@src"):
+        image_source = image_source.strip()
+        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):
+            exit(1)
+        img_number += 1
+
+    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()