fix: LibTorrent not detecting that file has been deleted until LibTorrent Session is reinitialized / enhance download management with file existence checks and cleanup

src/core/data/scrapers/monkrus.py

@@ -57,7 +57,7 @@ def _get_telegram_posts():
 
     return(posts)
 
-def scrape_monkrus_telegram(query):
+def scrape_m0nkrus(query):
     posts = _get_telegram_posts()
     filtered_posts = []
 

src/core/data/scrapers/rutracker.py

@@ -2,9 +2,8 @@ import requests
 from core.utils.data.state import state
 from core.utils.logging.logs import consoleLog
 
-
+def scrape_rutracker(query):
-def scrape_rutracker(search_text):
+    search = requests.get(f"{state.api_url}/search?q={query}")
-    search = requests.get(f"{state.api_url}/search?q={search_text}")
     consoleLog("Sent request to server")
     if search:
         try:
@@ -12,10 +11,9 @@ def scrape_rutracker(search_text):
         except Exception:
             consoleLog("No results found / No response from server")
             return None
-
     else:
         return None
         
 
 
-# This function utilizes the SoftwareManager server - source code can be found under the "server" branch.
+# This function utilizes the SoftwareManager server - source code can be found under the SoftwareManager-Server repository.

src/core/data/scrapers/uztracker.py

@@ -1,83 +1,35 @@
 import requests
-import threading
 from bs4 import BeautifulSoup
-from core.utils.data.state import state
+from urllib.parse import urljoin
 from core.utils.logging.logs import consoleLog
-from core.utils.general.wrappers import run_thread
 
+def scrape_uztracker(query):
+    base_url="https://uztracker.net/"
+    search_url = f"{base_url.rstrip('/')}/tracker.php?nm={query}"
+    consoleLog(search_url)
+    posts = []
 
-global url_uztracker
-url_uztracker = "https://uztracker.net/tracker.php?nm="
-
-def init_uztracker():
-    global up
-    global soup
     try:
-        response = requests.get(url_uztracker, timeout=10)
+        response = requests.get(search_url)
-        if response.status_code == 200:
+        response.raise_for_status()
-            up = True
-        else:
-            up = False
-            consoleLog(f"Uztracker seems down, status code: {response.status_code}")
-    except requests.exceptions.RequestException as e:
-        consoleLog(f"Request Exception on {url_uztracker}:")
-        consoleLog(str(e))
-        consoleLog("Is the Site down?")
-        up = False
-
-run_thread(threading.Thread(target=init_uztracker))
-
-def scrape_uztracker(search):
-    if up:
-        search_url = url_uztracker + search
-        consoleLog(search_url)
-        result = False
-        global results
-        global resulttitles
-        results = []
-        resulttitles = []
-
-        try:
-            resultCount = 0
-            response = requests.get(search_url)
-            response.raise_for_status()
-            soup = BeautifulSoup(response.text, 'html.parser')
-            links = soup.find_all('a', class_="genmed tLink", href=lambda x: x and x.startswith('./viewtopic'))
-            for link in links:
-                if link.b:
-                    resultCount += 1
-                    results.append(link['href'])
-                    resulttitles.append(link.b.text)
-                    result = True
-
-            if result:
-                return resulttitles, results
-
-            if not result:
-                # add popup in gui for no result
-                return None
-
-        except requests.RequestException as e:
-            if result:
-                consoleLog(f"Failed to fetch {search_url}: {e}")
-            return None
-    else:
-        consoleLog("Error: Uztracker down")
-        return None, None
-
-def get_post_title(post_url):
-    if up:
-        response = requests.get(post_url)
         soup = BeautifulSoup(response.text, 'html.parser')
-        maintitle = soup.find(class_='tt-text')
+        links = soup.find_all('tr', class_="tCenter hl-tr", id=lambda x: x and x.startswith('tor_'))
-        if maintitle:
+        for link in links:
-            return maintitle.text
+
-        else:
+            theme_link = link.find('a', class_="genmed tLink", href=lambda x: x and x.startswith('./viewtopic')) 
-            consoleLog("Program not found")
+            url = urljoin(base_url, theme_link['href'])
-    else:
+            title = theme_link.b.text
-        consoleLog("Error: Uztracker down")
+            author_link = link.find('a', class_="med")
+            author = author_link.text.strip() if author_link else "Unknown"
+
+            posts.append(dict(
+                title=title,
+                url=url,
+                author=author
+            ))
+
+        return posts
+
+    except requests.RequestException as e:
+        consoleLog(f"Failed to fetch {search_url}: {e}")
         return None
-
-    
-
-

src/core/interface/gui.py

@@ -157,7 +157,7 @@ class MainWindow(QtWidgets.QMainWindow, QWidget):
             header = table.horizontalHeader()
             header.setSectionResizeMode(0, QHeaderView.ResizeMode.Stretch) 
             header.setSectionResizeMode(1, QHeaderView.ResizeMode.Fixed)   
-            header.resizeSection(1, 200)
+            header.resizeSection(1, 500)
             header.setStretchLastSection(False)
 
             return table
@@ -513,12 +513,12 @@ class MainWindow(QtWidgets.QMainWindow, QWidget):
         event.accept()
 
     def set_tracker(self, _):
+        old_tracker = state.tracker
         state.tracker = self.tracker_list.currentText()
 
-        while self.horizontal_layout.count():
+        old_widget = state.tracker_list[old_tracker]
-            item = self.horizontal_layout.takeAt(0)
+        self.horizontal_layout.removeWidget(old_widget)
-            if item.widget():
+        old_widget.setParent(None)
-                item.widget().setParent(None)
 
         tracker_widget = state.tracker_list[state.tracker]
         self.horizontal_layout.addWidget(tracker_widget)

src/core/interface/utils/searchhelper.py

@@ -2,10 +2,16 @@ from PySide6.QtWidgets import QTableWidgetItem
 from core.utils.logging.logs import consoleLog
 from core.data.scrapers.uztracker import scrape_uztracker
 from core.data.scrapers.rutracker import scrape_rutracker
-from core.data.scrapers.monkrus import scrape_monkrus_telegram
+from core.data.scrapers.monkrus import scrape_m0nkrus
-from core.utils.network.jsonhandler import split_data, format_data, format_data_m0nkrus
+from core.utils.network.jsonhandler import split_data, format_data, format_data_minimal
 from core.utils.data.state import state
 
+scrapers = {
+    "uztracker": scrape_uztracker,
+    "rutracker": scrape_rutracker,
+    "m0nkrus": scrape_m0nkrus
+}
+
 def return_pressed(self):
     search_text = self.searchbar.text()
     if search_text == "":
@@ -13,29 +19,7 @@ def return_pressed(self):
         return
     consoleLog(f"User searched for: {search_text}")
     
-    if state.tracker == "uztracker":
+    if state.tracker == "rutracker":
-        response = scrape_uztracker(search_text)
-        if response:
-            state.post_titles, state.post_urls = response
-            state.tracker_list[state.tracker].clear()
-            if state.post_titles and len(state.post_titles) > 0:
-                state.tracker_list[state.tracker].setHorizontalHeaderLabels(["Post Title", "Author"])
-                state.tracker_list[state.tracker].setRowCount(len(state.post_titles))
-                for i, author in enumerate(state.post_author):
-                    state.tracker_list[state.tracker].setItem(i, 1, QTableWidgetItem(author))
-                for i, title in enumerate(state.post_titles):
-                    state.tracker_list[state.tracker].setItem(i, 0, QTableWidgetItem(title))
-                self.show_empty_results(False)
-            else:
-                consoleLog(f"No Results for {search_text}")
-                state.tracker_list[state.tracker].clear()
-                self.show_empty_results(True)
-        else:
-            consoleLog(f"No response from uztracker")
-            state.tracker_list[state.tracker].clear()
-            self.show_empty_results(True)
-    
-    elif state.tracker == "rutracker":
         response = scrape_rutracker(search_text)
         if response:
             _, state.posts, _, _, cached = split_data(response)
@@ -64,15 +48,14 @@ def return_pressed(self):
             state.tracker_list[state.tracker].clear()
             self.show_empty_results(True)
 
-    elif state.tracker == "m0nkrus":
+    elif state.tracker is not None:
-        state.posts = scrape_monkrus_telegram(search_text)
+        state.posts = scrapers[state.tracker](search_text)
-
         if state.posts == []:
             consoleLog(f"No Results for {search_text}")
             state.tracker_list[state.tracker].clear()
             self.show_empty_results(True)
         else:
-            state.post_titles, _, state.post_author = format_data_m0nkrus(state.posts)
+            state.post_author, state.post_titles, state.post_urls = format_data_minimal(state.posts)
             self.show_empty_results(False)
             state.tracker_list[state.tracker].clear()
             state.tracker_list[state.tracker].setHorizontalHeaderLabels(["Post Title", "Author"])

src/core/network/interface.py

@@ -19,7 +19,7 @@ def get_active_interfaces():
         for addr in addr_list:
             if addr.family == 2: # ipv4
                 ipv4 = addr.address
-                if not ipv4.startswith("127.") and not ipv4.startswith("169.254") and up == True:
+                if not ipv4.startswith("127.") and not ipv4.startswith("169.254") and up:
                     active.append(interface)
                     consoleLog(f"Found Active: {interface}")
 
@@ -33,7 +33,7 @@ def list_interfaces() -> None:
         for addr in addr_list:
             if addr.family == 2: # ipv4
                 ipv4 = addr.address
-                if not ipv4.startswith("127.") and not ipv4.startswith("169.254") and up == True:
+                if not ipv4.startswith("127.") and not ipv4.startswith("169.254") and up:
                     status = "ACTIVE"
                 else:
                     status = "INACTIVE"

src/core/network/libtorrent_int.py

@@ -1,4 +1,5 @@
 import time
+import os
 from core.utils.general.wrappers import run_thread
 from core.network.interface import get_interface_ip
 import threading
@@ -51,8 +52,26 @@ def add_download(magnet_uri, dl_path=state.download_path):
     init_session()
 
     if magnet_uri in state.active_downloads:
-        consoleLog("Skipping Downloading, download already running...")
+        try:
-        return
+            handle = state.active_downloads[magnet_uri]
+            status = handle.status()
+        except RuntimeError as e:
+            consoleLog(f"Error in LibTorrent Handle: {e}")
+
+        if status.has_metadata:
+            filepath = os.path.join(status.save_path, status.name)
+
+            if not os.path.exists(filepath):
+
+                consoleLog(f"File Deleted, redownloading: {status.name}")
+                state.dl_session.remove_torrent(handle)
+                del state.active_downloads[magnet_uri]
+            else:
+                consoleLog("Skipping Downloading, download already running...")
+                return False
+        else:
+            consoleLog("Skipping Downloading, download already running... ")
+            return False
 
     magnetdl = lt.parse_magnet_uri(magnet_uri)
     magnetdl.save_path = dl_path
@@ -62,6 +81,7 @@ def add_download(magnet_uri, dl_path=state.download_path):
     consoleLog(f"Added {magnet_uri} to downloads")
 
     run_thread(threading.Thread(target=dl_status_loop))
+    return True
 
 
 

src/core/network/libtorrent_misc.py

@@ -3,6 +3,7 @@ from core.utils.logging.logs import update_download_completed_by_hash
 from core.utils.logging.logs import consoleLog
 from plyer import notification
 import libtorrent as lt
+import os
 import time
 
 
@@ -58,3 +59,24 @@ def update_log(shutdown_event):
         except Exception:
             pass
         time.sleep(5)
+
+def check_deleted_files(shutdown_event):
+    while not shutdown_event.is_set():
+        try:
+            for magnet_uri, magnetdl in list(state.active_downloads.items()):
+                if isinstance(magnetdl, dict):
+                    continue
+                
+                status = magnetdl.status()
+                
+                if status.state == lt.torrent_status.seeding and status.has_metadata:
+                    file_path = os.path.join(status.save_path, status.name)
+
+                    if not os.path.exists(file_path):
+                        consoleLog(f"Registered File Deletion: {status.name}")
+                        state.dl_session.remove_torrent(magnetdl)
+                        del state.active_downloads[magnet_uri]
+
+        except Exception:
+            pass
+        time.sleep(5)

src/core/utils/data/state.py

@@ -8,7 +8,7 @@ class AppState(QObject):
 
     def __init__(self):
         super().__init__()
-        self.posts: List[Dict[str, Any]] = []
+        self.posts: list[Any] | None = None
         self.post_titles: Optional[List] = None
         self.post_urls: Optional[List] = None
         self.post_author: List[str] = []

src/core/utils/network/download.py

@@ -1,12 +1,9 @@
-from core.utils.data.state import state
 from core.utils.logging.logs import consoleLog
 from core.utils.data.tracker import get_item_url
 from core.utils.data.tracker import get_magnet_link
 from core.network.libtorrent_wrapper import add_download
 from core.utils.general.wrappers import run_thread
 from core.utils.logging.logs import add_download_log
-import time
-
 import threading
 
 
@@ -22,11 +19,10 @@ def run_download(item, posts, post_titles):
     consoleLog(f"Selected URL: {post_url}")
     magnet_uri = get_magnet_link(post_url)
 
-    add_download(magnet_uri)
+    if add_download(magnet_uri):
-    add_download_log(item, post_url, magnet_uri, False)
+        add_download_log(item, post_url, magnet_uri, False)
 
 def run_download_direct(magnet_uri):
+    consoleLog(f"Direct download: {magnet_uri[:60]}")
     add_download(magnet_uri)
-
+    add_download_log("Direct Download", "", magnet_uri, False)
-
-

src/core/utils/network/jsonhandler.py

@@ -20,12 +20,12 @@ def format_data(data):
 
     return post_titles, post_links, post_author, post_seeders, post_leechers
 
-def format_data_m0nkrus(data): 
+def format_data_minimal(data): 
     post_author = [post["author"] for post in data]
     post_titles = [post["title"] for post in data]
     post_links = [post["url"] for post in data]
 
-    return post_titles, post_links, post_author
+    return post_author, post_titles, post_links
 
 
 

src/main.py

@@ -1,7 +1,7 @@
 from core.interface.gui import MainWindow, windowCloseHelper
 from core.utils.data.state import state
 from core.utils.logging.logs import consoleLog
-from core.network.libtorrent_misc import send_notification, update_log
+from core.network.libtorrent_misc import send_notification, update_log, check_deleted_files
 from core.utils.logging.logs import get_download_logs
 from core.utils.general.shutdown import closehelper, shutdown_event
 from core.utils.general.wrappers import run_thread
@@ -53,6 +53,8 @@ def main():
     consoleLog("Started Thread: update_log")
     run_thread(threading.Thread(target=check_completed, args=(downloads, state.autoresume)))
     consoleLog("Started Thread: check_completed")
+    run_thread(threading.Thread(target=check_deleted_files, args=(shutdown_event,), daemon=True))
+    consoleLog("Started Thread: check_deleted_files")
     check_downloads(downloads)
     elapsed = time.perf_counter() - start_time
     consoleLog(f"Initialization completed in {elapsed:.2f}s. Launching GUI")