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Kemono-Downloader/src/ui/classes/rule34video_downloader_thread.py
Yuvi63771 9fe0c37127 Commit
2025-10-18 16:03:34 +05:30

87 lines
3.5 KiB
Python

import os
import time
import requests
from PyQt5.QtCore import QThread, pyqtSignal
import cloudscraper
from ...core.rule34video_client import fetch_rule34video_data
from ...utils.file_utils import clean_folder_name
class Rule34VideoDownloadThread(QThread):
"""A dedicated QThread for handling rule34video.com downloads."""
progress_signal = pyqtSignal(str)
file_progress_signal = pyqtSignal(str, object)
finished_signal = pyqtSignal(int, int, bool) # dl_count, skip_count, cancelled
def __init__(self, url, output_dir, parent=None):
super().__init__(parent)
self.video_url = url
self.output_dir = output_dir
self.is_cancelled = False
def run(self):
download_count = 0
skip_count = 0
video_title, final_video_url = fetch_rule34video_data(self.video_url, self.progress_signal.emit)
if not final_video_url:
self.progress_signal.emit("❌ Failed to get video data. Aborting.")
self.finished_signal.emit(0, 1, self.is_cancelled)
return
# Create a safe filename from the title, defaulting if needed
safe_title = clean_folder_name(video_title if video_title else "rule34video_file")
filename = f"{safe_title}.mp4"
filepath = os.path.join(self.output_dir, filename)
if os.path.exists(filepath):
self.progress_signal.emit(f" -> Skip: '{filename}' already exists.")
self.finished_signal.emit(0, 1, self.is_cancelled)
return
self.progress_signal.emit(f" Downloading: '{filename}'...")
try:
scraper = cloudscraper.create_scraper()
# The CDN link might not require special headers, but a referer is good practice
headers = {'Referer': 'https://rule34video.com/'}
response = scraper.get(final_video_url, stream=True, headers=headers, timeout=90)
response.raise_for_status()
total_size = int(response.headers.get('content-length', 0))
downloaded_size = 0
last_update_time = time.time()
with open(filepath, 'wb') as f:
# Use a larger chunk size for video files
for chunk in response.iter_content(chunk_size=8192 * 4):
if self.is_cancelled:
break
if chunk:
f.write(chunk)
downloaded_size += len(chunk)
current_time = time.time()
if total_size > 0 and (current_time - last_update_time) > 0.5:
self.file_progress_signal.emit(filename, (downloaded_size, total_size))
last_update_time = current_time
if self.is_cancelled:
if os.path.exists(filepath):
os.remove(filepath)
skip_count = 1
self.progress_signal.emit(f" Download cancelled for '{filename}'.")
else:
download_count = 1
except Exception as e:
self.progress_signal.emit(f" ❌ Failed to download '{filename}': {e}")
if os.path.exists(filepath):
os.remove(filepath)
skip_count = 1
self.file_progress_signal.emit("", None)
self.finished_signal.emit(download_count, skip_count, self.is_cancelled)
def cancel(self):
self.is_cancelled = True
self.progress_signal.emit(" Cancellation signal received by Rule34Video thread.")