Mangadex: do not download same chapter by a different translator

1 files changed, 12 insertions, 0 deletions

diff --git a/plugins/mangadex.py b/plugins/mangadex.py
index 29b0d31..08e85b5 100755
--- a/plugins/mangadex.py
+++ b/plugins/mangadex.py
@@ -53,6 +53,11 @@ def title_url_extract_manga_id(url):
 def chapter_sort_func(chapter_data):
     return chapter_data[1].get("timestamp", 0)
 
+def chapter_title_extract_number(chapter_title):
+    result = re.search("Ch. ([0-9]+)", chapter_title)
+    if result and len(result.groups()) > 0:
+        return result.groups()[0]
+
 def list_chapters(url, chapter_list_input):
     manga_id = title_url_extract_manga_id(url)
     if not manga_id:
@@ -66,10 +71,14 @@ def list_chapters(url, chapter_list_input):
         exit(2)
 
     seen_titles = set()
+    seen_chapter_numbers = set()
     for item in chapter_list_input:
         title = item.get("title")
         if title and len(title) > 0:
             seen_titles.add(title.lower().replace(" ", ""))
+            chapter_number = chapter_title_extract_number(title)
+            if chapter_number:
+                seen_chapter_numbers.add(chapter_number)
 
     seen_urls = set()
     for item in chapter_list_input:
@@ -115,6 +124,9 @@ def list_chapters(url, chapter_list_input):
         if chapter_title.lower().replace(" ", "") in seen_titles or chapter_url in seen_urls:
             break
 
+        if chapter_number_str in seen_chapter_numbers:
+            break
+
         output_chapters.append({ "name": chapter_name, "url": chapter_url })
     print(json.dumps(output_chapters))