import os import time import requests import re import threading import queue import hashlib import http.client import traceback from concurrent.futures import ThreadPoolExecutor, Future, CancelledError, as_completed import html # Import the html module for unescaping from PyQt5.QtCore import QObject, pyqtSignal, QThread, QMutex, QMutexLocker from urllib.parse import urlparse try: from PIL import Image except ImportError: print("ERROR: Pillow library not found. Please install it: pip install Pillow") Image = None from io import BytesIO fastapi_app = None # Placeholder, not used in this script KNOWN_NAMES = [] # Global list, populated by main.py def is_title_match_for_character(post_title, character_name_filter): """Checks if a post title contains a specific character name (case-insensitive, whole word).""" if not post_title: return False if not character_name_filter: # If no filter, it's considered a match (or handle as per broader logic) return True # Regex to match whole word, case insensitive pattern = r"(?i)\b" + re.escape(character_name_filter) + r"\b" if re.search(pattern, post_title): return True return False def clean_folder_name(name): """Cleans a string to be suitable for a folder name.""" if not isinstance(name, str): name = str(name) # Ensure string # Remove invalid characters, replace spaces with underscores cleaned = re.sub(r'[^\w\s\-\_]', '', name) # Allow alphanumeric, whitespace, hyphen, underscore return cleaned.strip().replace(' ', '_') def clean_filename(name): """Cleans a string to be suitable for a filename, preserving extension.""" if not isinstance(name, str): name = str(name) # Ensure string # Remove invalid characters, replace spaces with underscores # Allow alphanumeric, whitespace, hyphen, underscore, and period (for extension) cleaned = re.sub(r'[^\w\s\-\_\.]', '', name) return cleaned.strip().replace(' ', '_') def extract_folder_name_from_title(title, unwanted_keywords): """Extracts a potential folder name from a title, avoiding common unwanted keywords.""" if not title: return 'Uncategorized' title_lower = title.lower() # Tokenize by words, prefer longer, more specific tokens if possible tokens = re.findall(r'\b[\w\-]+\b', title_lower) # Find alphanumeric words with hyphens for token in tokens: clean_token = clean_folder_name(token) # Clean the token itself if clean_token and clean_token not in unwanted_keywords: return clean_token # Return the first suitable token # If no suitable token found, use the cleaned full title (or fallback) cleaned_full_title = clean_folder_name(title) return cleaned_full_title if cleaned_full_title else 'Uncategorized' def match_folders_from_title(title, names_to_match, unwanted_keywords): """Matches known names (characters/shows) in a title to suggest folder names.""" if not title or not names_to_match: return [] title_lower = title.lower() matched_cleaned_names = set() # Sort by length to match longer names first (e.g., "Luffy Gear 5" before "Luffy") sorted_names_to_match = sorted(names_to_match, key=len, reverse=True) for name in sorted_names_to_match: name_lower = name.lower() if not name_lower: continue # Skip empty names pattern = r'\b' + re.escape(name_lower) + r'\b' # Whole word match if re.search(pattern, title_lower): cleaned_name = clean_folder_name(name).lower() # Clean the original matched name if cleaned_name and cleaned_name not in unwanted_keywords: matched_cleaned_names.add(cleaned_name) return sorted(list(matched_cleaned_names)) def is_image(filename): """Checks if a filename likely represents an image.""" if not filename: return False return filename.lower().endswith(('.png', '.jpg', '.jpeg', '.webp', '.gif')) def is_video(filename): """Checks if a filename likely represents a video.""" if not filename: return False return filename.lower().endswith(('.mp4', '.mov', '.mkv', '.webm', '.avi', '.wmv')) def is_zip(filename): """Checks if a filename likely represents a ZIP archive.""" if not filename: return False return filename.lower().endswith('.zip') def is_rar(filename): """Checks if a filename likely represents a RAR archive.""" if not filename: return False return filename.lower().endswith('.rar') def is_post_url(url): """Checks if a URL likely points to a specific post.""" if not isinstance(url, str): return False return '/post/' in urlparse(url).path def extract_post_info(url_string): """Extracts service, user ID, and post ID from a Kemono/Coomer URL.""" service, user_id, post_id = None, None, None if not isinstance(url_string, str) or not url_string.strip(): return None, None, None try: parsed_url = urlparse(url_string.strip()) domain = parsed_url.netloc.lower() is_kemono = any(d in domain for d in ['kemono.su', 'kemono.party']) is_coomer = any(d in domain for d in ['coomer.su', 'coomer.party']) if not (is_kemono or is_coomer): return None, None, None # Not a supported domain path_parts = [part for part in parsed_url.path.strip('/').split('/') if part] # Standard URL format: //user//post/ # Or creator feed: //user/ if len(path_parts) >= 3 and path_parts[1].lower() == 'user': service = path_parts[0] user_id = path_parts[2] if len(path_parts) >= 5 and path_parts[3].lower() == 'post': post_id = path_parts[4] return service, user_id, post_id # API URL format: /api/v1//user//post/ # Or creator feed: /api/v1//user/ if len(path_parts) >= 5 and path_parts[0].lower() == 'api' and \ path_parts[1].lower() == 'v1' and path_parts[3].lower() == 'user': service = path_parts[2] user_id = path_parts[4] if len(path_parts) >= 7 and path_parts[5].lower() == 'post': post_id = path_parts[6] return service, user_id, post_id except Exception as e: # Log error if needed, but return None, None, None for graceful failure print(f"Debug: Exception during extract_post_info for URL '{url_string}': {e}") return None, None, None def fetch_posts_paginated(api_url_base, headers, offset, logger, cancellation_event=None): """Fetches a single page of posts from the API. Checks cancellation_event if provided.""" if cancellation_event and cancellation_event.is_set(): logger(" Fetch cancelled before request.") raise RuntimeError("Fetch operation cancelled by user.") # Or return empty list paginated_url = f'{api_url_base}?o={offset}' logger(f" Fetching: {paginated_url}") try: response = requests.get(paginated_url, headers=headers, timeout=(10, 60)) # connect timeout, read timeout response.raise_for_status() # Raise HTTPError for bad responses (4XX or 5XX) if 'application/json' not in response.headers.get('Content-Type', '').lower(): logger(f"⚠️ Unexpected content type from API: {response.headers.get('Content-Type')}. Body: {response.text[:200]}") return [] # Return empty list on unexpected content type return response.json() except requests.exceptions.Timeout: raise RuntimeError(f"Timeout fetching offset {offset} from {paginated_url}") except requests.exceptions.RequestException as e: err_msg = f"Error fetching offset {offset} from {paginated_url}: {e}" if e.response is not None: err_msg += f" (Status: {e.response.status_code}, Body: {e.response.text[:200]})" raise RuntimeError(err_msg) except ValueError as e: # JSONDecodeError inherits from ValueError raise RuntimeError(f"Error decoding JSON from offset {offset} ({paginated_url}): {e}. Response text: {response.text[:200]}") except Exception as e: # Catch any other unexpected errors raise RuntimeError(f"Unexpected error fetching offset {offset} ({paginated_url}): {e}") def download_from_api(api_url_input, logger=print, start_page=None, end_page=None, manga_mode=False, cancellation_event=None): """ Generator function to fetch posts from Kemono/Coomer API. Handles pagination and specific post fetching. In manga_mode, it fetches all posts and yields them in reversed order (oldest first). Checks cancellation_event if provided. """ headers = {'User-Agent': 'Mozilla/5.0'} # Basic user agent service, user_id, target_post_id = extract_post_info(api_url_input) if cancellation_event and cancellation_event.is_set(): logger(" Download_from_api cancelled at start.") return if not service or not user_id: logger(f"❌ Invalid URL or could not extract service/user: {api_url_input}") return # Stop generation if URL is invalid if target_post_id and (start_page or end_page): logger("⚠️ Page range (start/end page) is ignored when a specific post URL is provided.") start_page = end_page = None # Reset page range for single post URL is_creator_feed_for_manga = manga_mode and not target_post_id parsed_input = urlparse(api_url_input) api_domain = parsed_input.netloc # Ensure we use a valid API domain, defaulting if necessary if not any(d in api_domain.lower() for d in ['kemono.su', 'kemono.party', 'coomer.su', 'coomer.party']): logger(f"⚠️ Unrecognized domain '{api_domain}'. Defaulting to kemono.su for API calls.") api_domain = "kemono.su" api_base_url = f"https://{api_domain}/api/v1/{service}/user/{user_id}" page_size = 50 # API returns 50 posts per page if is_creator_feed_for_manga: logger(" Manga Mode: Fetching all posts to reverse order (oldest posts processed first)...") all_posts_for_manga_mode = [] current_offset_manga = 0 while True: # Loop to fetch all pages if cancellation_event and cancellation_event.is_set(): logger(" Manga mode post fetching cancelled.") break try: posts_batch_manga = fetch_posts_paginated(api_base_url, headers, current_offset_manga, logger, cancellation_event) if not isinstance(posts_batch_manga, list): logger(f"❌ API Error (Manga Mode): Expected list of posts, got {type(posts_batch_manga)}.") break if not posts_batch_manga: # No more posts logger("✅ Reached end of posts (Manga Mode fetch all).") break all_posts_for_manga_mode.extend(posts_batch_manga) current_offset_manga += len(posts_batch_manga) time.sleep(0.6) except RuntimeError as e: if "cancelled by user" in str(e).lower(): # Check if it was our cancellation logger(f"ℹ️ Manga mode pagination stopped due to cancellation: {e}") else: logger(f"❌ {e}\n Aborting manga mode pagination.") break except Exception as e: logger(f"❌ Unexpected error during manga mode fetch: {e}") traceback.print_exc() break if cancellation_event and cancellation_event.is_set(): return if all_posts_for_manga_mode: logger(f" Manga Mode: Fetched {len(all_posts_for_manga_mode)} total posts. Reversing order...") all_posts_for_manga_mode.reverse() for i in range(0, len(all_posts_for_manga_mode), page_size): if cancellation_event and cancellation_event.is_set(): logger(" Manga mode post yielding cancelled.") break yield all_posts_for_manga_mode[i:i + page_size] else: logger(" Manga Mode: No posts found to process.") return current_page_num = 1 current_offset = 0 processed_target_post_flag = False if start_page and start_page > 1: current_offset = (start_page - 1) * page_size current_page_num = start_page logger(f" Starting from page {current_page_num} (calculated offset {current_offset}).") while True: if cancellation_event and cancellation_event.is_set(): logger(" Post fetching loop cancelled.") break if end_page and current_page_num > end_page: logger(f"✅ Reached specified end page ({end_page}). Stopping.") break if target_post_id and processed_target_post_flag: logger(f"✅ Target post {target_post_id} has been processed.") break try: posts_batch = fetch_posts_paginated(api_base_url, headers, current_offset, logger, cancellation_event) if not isinstance(posts_batch, list): logger(f"❌ API Error: Expected list of posts, got {type(posts_batch)} at page {current_page_num}.") break except RuntimeError as e: if "cancelled by user" in str(e).lower(): logger(f"ℹ️ Pagination stopped due to cancellation: {e}") else: logger(f"❌ {e}\n Aborting pagination at page {current_page_num}.") break except Exception as e: logger(f"❌ Unexpected error fetching page {current_page_num}: {e}") traceback.print_exc() break if not posts_batch: if current_page_num == (start_page or 1) and not target_post_id : logger("😕 No posts found on the first page checked.") elif not target_post_id: logger("✅ Reached end of posts (no more content).") break if target_post_id: matching_post = next((p for p in posts_batch if str(p.get('id')) == str(target_post_id)), None) if matching_post: logger(f"🎯 Found target post {target_post_id}.") yield [matching_post] processed_target_post_flag = True else: logger(f"❌ Target post {target_post_id} not found in the batch from offset {current_offset}. This may indicate the post URL is incorrect or the API behavior is unexpected.") break else: yield posts_batch if not (target_post_id and processed_target_post_flag): if not posts_batch : break current_offset += len(posts_batch) current_page_num += 1 time.sleep(0.6) else: break if target_post_id and not processed_target_post_flag and not (cancellation_event and cancellation_event.is_set()): logger(f"❌ Target post {target_post_id} could not be found after checking relevant pages.") def get_link_platform(url): """Attempts to identify the platform of an external link.""" try: domain = urlparse(url).netloc.lower() # Specific known platforms if 'drive.google.com' in domain: return 'google drive' if 'mega.nz' in domain or 'mega.io' in domain: return 'mega' if 'dropbox.com' in domain: return 'dropbox' if 'patreon.com' in domain: return 'patreon' if 'instagram.com' in domain: return 'instagram' if 'twitter.com' in domain or 'x.com' in domain: return 'twitter/x' if 'discord.gg' in domain or 'discord.com/invite' in domain: return 'discord invite' if 'pixiv.net' in domain: return 'pixiv' if 'kemono.su' in domain or 'kemono.party' in domain: return 'kemono' # Explicitly identify kemono if 'coomer.su' in domain or 'coomer.party' in domain: return 'coomer' # Explicitly identify coomer # Generic extraction for other domains parts = domain.split('.') if len(parts) >= 2: # Return the second-to-last part for common structures (e.g., 'google' from google.com) # Avoid returning generic TLDs like 'com', 'org', 'net' as the platform if parts[-2] not in ['com', 'org', 'net', 'gov', 'edu', 'co'] or len(parts) == 2: return parts[-2] elif len(parts) >= 3: # Handle cases like 'google.co.uk' -> 'google' return parts[-3] else: # Fallback to full domain if unsure return domain return 'external' # Default if domain parsing fails except Exception: return 'unknown' # Error case class PostProcessorSignals(QObject): """Defines signals used by PostProcessorWorker to communicate with the GUI thread.""" progress_signal = pyqtSignal(str) file_download_status_signal = pyqtSignal(bool) # MODIFIED: Added link_text argument external_link_signal = pyqtSignal(str, str, str, str) # post_title, link_text, link_url, platform file_progress_signal = pyqtSignal(str, int, int) class PostProcessorWorker: """Processes a single post: determines save paths, downloads files, handles compression.""" def __init__(self, post_data, download_root, known_names, filter_character_list, unwanted_keywords, filter_mode, skip_zip, skip_rar, use_subfolders, use_post_subfolders, target_post_id_from_initial_url, custom_folder_name, compress_images, download_thumbnails, service, user_id, api_url_input, cancellation_event, signals, downloaded_files, downloaded_file_hashes, downloaded_files_lock, downloaded_file_hashes_lock, skip_words_list=None, show_external_links=False, extract_links_only=False, num_file_threads=4, skip_current_file_flag=None, manga_mode_active=False ): self.post = post_data self.download_root = download_root self.known_names = known_names self.filter_character_list = filter_character_list if filter_character_list else [] self.unwanted_keywords = unwanted_keywords self.filter_mode = filter_mode self.skip_zip = skip_zip self.skip_rar = skip_rar self.use_subfolders = use_subfolders self.use_post_subfolders = use_post_subfolders self.target_post_id_from_initial_url = target_post_id_from_initial_url self.custom_folder_name = custom_folder_name self.compress_images = compress_images self.download_thumbnails = download_thumbnails self.service = service self.user_id = user_id self.api_url_input = api_url_input self.cancellation_event = cancellation_event self.signals = signals self.skip_current_file_flag = skip_current_file_flag self.downloaded_files = downloaded_files if downloaded_files is not None else set() self.downloaded_file_hashes = downloaded_file_hashes if downloaded_file_hashes is not None else set() self.downloaded_files_lock = downloaded_files_lock if downloaded_files_lock is not None else threading.Lock() self.downloaded_file_hashes_lock = downloaded_file_hashes_lock if downloaded_file_hashes_lock is not None else threading.Lock() self.skip_words_list = skip_words_list if skip_words_list is not None else [] self.show_external_links = show_external_links self.extract_links_only = extract_links_only self.num_file_threads = num_file_threads self.manga_mode_active = manga_mode_active if self.compress_images and Image is None: self.logger("⚠️ Image compression disabled: Pillow library not found.") self.compress_images = False def logger(self, message): """Emits a log message via the progress_signal if available.""" if self.signals and hasattr(self.signals, 'progress_signal'): self.signals.progress_signal.emit(message) else: print(f"(Worker Log - No Signal): {message}") def check_cancel(self): """Checks if cancellation has been requested.""" return self.cancellation_event.is_set() def _download_single_file(self, file_info, target_folder_path, headers, original_post_id_for_log, skip_event, post_title="", file_index_in_post=0): """Downloads a single file, handles retries, compression, and hash checking.""" if self.check_cancel() or (skip_event and skip_event.is_set()): return 0, 1 file_url = file_info.get('url') api_original_filename = file_info.get('_original_name_for_log', file_info.get('name')) if not file_url or not api_original_filename: self.logger(f"⚠️ Skipping file from post {original_post_id_for_log}: Missing URL or original filename. Info: {str(file_info)[:100]}") return 0, 1 # --- Check skip words on ORIGINAL filename FIRST --- if self.skip_words_list: name_to_check_lower = api_original_filename.lower() # Simple check if any skip word is a substring # For more precise matching (e.g., whole words), adjust this logic if any(skip_word.lower() in name_to_check_lower for skip_word in self.skip_words_list): matched_skip = next((sw for sw in self.skip_words_list if sw.lower() in name_to_check_lower), "unknown_skip_word") self.logger(f" -> Skip File (Keyword on Original Name): '{api_original_filename}' contains '{matched_skip}'.") return 0, 1 # --- End skip word check --- _, original_ext = os.path.splitext(api_original_filename) if original_ext and not original_ext.startswith('.'): original_ext = '.' + original_ext elif not original_ext: _, temp_ext = os.path.splitext(clean_filename(api_original_filename)) if temp_ext and not temp_ext.startswith('.'): original_ext = '.' + temp_ext elif temp_ext: original_ext = temp_ext else: original_ext = '' filename_to_save = "" if self.manga_mode_active: if post_title and post_title.strip(): cleaned_post_title_full = clean_filename(post_title.strip()) original_filename_base, _ = os.path.splitext(api_original_filename) extracted_sequence_from_original = "" simple_end_match = re.search(r'(\d+)$', original_filename_base) if simple_end_match: extracted_sequence_from_original = simple_end_match.group(1) else: complex_match = re.search(r'(?:[ _.\-/]|^)(?:p|page|ch|chapter|ep|episode|v|vol|volume|no|num|number|pt|part)[ _.\-]*(\d+)', original_filename_base, re.IGNORECASE) if complex_match: extracted_sequence_from_original = complex_match.group(1) cleaned_title_base = re.sub( r'[|\[\]()]*[ _.\-]*(?:page|p|ch|chapter|ep|episode|v|vol|volume|no|num|number|pt|part)s?[ _.\-]*\d+([ _.\-]+\d+)?$', '', cleaned_post_title_full, flags=re.IGNORECASE ).strip() if not cleaned_title_base: cleaned_title_base = cleaned_post_title_full cleaned_title_base = cleaned_title_base.rstrip(' _.-') if extracted_sequence_from_original: filename_to_save = f"{cleaned_title_base} {extracted_sequence_from_original}{original_ext}" self.logger(f" Manga Mode (Seq from Original): Renaming '{api_original_filename}' to '{filename_to_save}'") else: fallback_sequence = str(file_index_in_post + 1) filename_to_save = f"{cleaned_title_base} {fallback_sequence}{original_ext}" self.logger(f" Manga Mode (No Seq in Original): Using cleaned title + file index '{fallback_sequence}'. Renaming '{api_original_filename}' to '{filename_to_save}'") counter = 1 base_name_coll, ext_coll = os.path.splitext(filename_to_save) temp_filename_for_collision_check = filename_to_save while os.path.exists(os.path.join(target_folder_path, temp_filename_for_collision_check)): temp_filename_for_collision_check = f"{base_name_coll}_{counter}{ext_coll}" counter += 1 if temp_filename_for_collision_check != filename_to_save: filename_to_save = temp_filename_for_collision_check self.logger(f" Manga Mode: Collision detected. Adjusted filename to '{filename_to_save}'") else: filename_to_save = clean_filename(api_original_filename) self.logger(f"⚠️ Manga mode: Post title missing. Using cleaned original filename '{filename_to_save}'.") else: filename_to_save = clean_filename(api_original_filename) final_filename_for_sets_and_saving = filename_to_save if not self.download_thumbnails: is_img_type = is_image(api_original_filename) is_vid_type = is_video(api_original_filename) is_zip_type = is_zip(api_original_filename) is_rar_type = is_rar(api_original_filename) if self.filter_mode == 'image' and not is_img_type: self.logger(f" -> Filter Skip: '{api_original_filename}' (Not Image)"); return 0,1 if self.filter_mode == 'video' and not is_vid_type: self.logger(f" -> Filter Skip: '{api_original_filename}' (Not Video)"); return 0,1 if self.skip_zip and is_zip_type: self.logger(f" -> Pref Skip: '{api_original_filename}' (ZIP)"); return 0,1 if self.skip_rar and is_rar_type: self.logger(f" -> Pref Skip: '{api_original_filename}' (RAR)"); return 0,1 target_folder_basename = os.path.basename(target_folder_path) current_save_path = os.path.join(target_folder_path, final_filename_for_sets_and_saving) if os.path.exists(current_save_path) and os.path.getsize(current_save_path) > 0: self.logger(f" -> Exists (Path): '{final_filename_for_sets_and_saving}' in '{target_folder_basename}'.") with self.downloaded_files_lock: self.downloaded_files.add(final_filename_for_sets_and_saving) return 0, 1 with self.downloaded_files_lock: if final_filename_for_sets_and_saving in self.downloaded_files: self.logger(f" -> Global Skip (Filename): '{final_filename_for_sets_and_saving}' already recorded.") return 0, 1 max_retries = 3; retry_delay = 5; downloaded_size_bytes = 0 calculated_file_hash = None; file_content_bytes = None; total_size_bytes = 0 download_successful_flag = False log_name_during_dl = f"{api_original_filename} (as {final_filename_for_sets_and_saving})" for attempt_num in range(max_retries + 1): if self.check_cancel() or (skip_event and skip_event.is_set()): break try: if attempt_num > 0: self.logger(f" Retrying '{log_name_during_dl}' (Attempt {attempt_num}/{max_retries})..."); time.sleep(retry_delay * (2**(attempt_num-1))) if self.signals: self.signals.file_download_status_signal.emit(True) response = requests.get(file_url, headers=headers, timeout=(15, 300), stream=True) response.raise_for_status() total_size_bytes = int(response.headers.get('Content-Length', 0)) file_content_bytes = BytesIO(); downloaded_size_bytes = 0; md5_hasher = hashlib.md5() last_progress_time = time.time() for chunk in response.iter_content(chunk_size=1 * 1024 * 1024): # 1MB chunks if self.check_cancel() or (skip_event and skip_event.is_set()): break # Check cancellation inside loop if chunk: file_content_bytes.write(chunk); md5_hasher.update(chunk); downloaded_size_bytes += len(chunk) if time.time() - last_progress_time > 1 and total_size_bytes > 0 and self.signals: self.signals.file_progress_signal.emit(log_name_during_dl, downloaded_size_bytes, total_size_bytes) last_progress_time = time.time() if self.check_cancel() or (skip_event and skip_event.is_set()): break if downloaded_size_bytes > 0: calculated_file_hash = md5_hasher.hexdigest() download_successful_flag = True break elif total_size_bytes == 0 and response.status_code == 200 : self.logger(f" Note: '{log_name_during_dl}' is a 0-byte file according to server.") calculated_file_hash = md5_hasher.hexdigest() download_successful_flag = True break except (requests.exceptions.ConnectionError, requests.exceptions.Timeout, http.client.IncompleteRead) as e: self.logger(f" ❌ Download Error (Retryable): {log_name_during_dl}. Error: {e}") except requests.exceptions.RequestException as e: self.logger(f" ❌ Download Error (Non-Retryable): {log_name_during_dl}. Error: {e}"); break except Exception as e: self.logger(f" ❌ Unexpected Download Error: {log_name_during_dl}: {e}\n{traceback.format_exc(limit=2)}"); break finally: if self.signals: self.signals.file_download_status_signal.emit(False) if self.signals and total_size_bytes > 0 : self.signals.file_progress_signal.emit(log_name_during_dl, downloaded_size_bytes, total_size_bytes) if self.check_cancel() or (skip_event and skip_event.is_set()): self.logger(f" ⚠️ Download interrupted for {log_name_during_dl}.") if file_content_bytes: file_content_bytes.close() return 0, 1 if not download_successful_flag: self.logger(f"❌ Download failed for '{log_name_during_dl}' after {max_retries} retries.") if file_content_bytes: file_content_bytes.close() return 0, 1 with self.downloaded_file_hashes_lock: if calculated_file_hash in self.downloaded_file_hashes: self.logger(f" -> Content Skip (Hash): '{log_name_during_dl}' (Hash: {calculated_file_hash[:8]}...).") with self.downloaded_files_lock: self.downloaded_files.add(final_filename_for_sets_and_saving) if file_content_bytes: file_content_bytes.close() return 0, 1 bytes_to_write = file_content_bytes; bytes_to_write.seek(0) final_filename_after_processing = final_filename_for_sets_and_saving current_save_path_final = current_save_path is_img_for_compress_check = is_image(api_original_filename) if is_img_for_compress_check and self.compress_images and Image and downloaded_size_bytes > (1.5 * 1024 * 1024): self.logger(f" Compressing '{api_original_filename}' ({downloaded_size_bytes / (1024*1024):.2f} MB)...") try: with Image.open(bytes_to_write) as img_obj: if img_obj.mode == 'P': img_obj = img_obj.convert('RGBA') elif img_obj.mode not in ['RGB', 'RGBA', 'L']: img_obj = img_obj.convert('RGB') compressed_bytes_io = BytesIO() img_obj.save(compressed_bytes_io, format='WebP', quality=80, method=4) compressed_size = compressed_bytes_io.getbuffer().nbytes if compressed_size < downloaded_size_bytes * 0.9: self.logger(f" Compression success: {compressed_size / (1024*1024):.2f} MB.") bytes_to_write.close() bytes_to_write = compressed_bytes_io; bytes_to_write.seek(0) base_name_orig, _ = os.path.splitext(final_filename_for_sets_and_saving) final_filename_after_processing = base_name_orig + '.webp' current_save_path_final = os.path.join(target_folder_path, final_filename_after_processing) self.logger(f" Updated filename (compressed): {final_filename_after_processing}") else: self.logger(f" Compression skipped: WebP not significantly smaller."); bytes_to_write.seek(0) except Exception as comp_e: self.logger(f"❌ Compression failed for '{api_original_filename}': {comp_e}. Saving original."); bytes_to_write.seek(0) if final_filename_after_processing != final_filename_for_sets_and_saving and \ os.path.exists(current_save_path_final) and os.path.getsize(current_save_path_final) > 0: self.logger(f" -> Exists (Path - Post-Compress): '{final_filename_after_processing}' in '{target_folder_basename}'.") with self.downloaded_files_lock: self.downloaded_files.add(final_filename_after_processing) bytes_to_write.close() return 0, 1 try: os.makedirs(os.path.dirname(current_save_path_final), exist_ok=True) with open(current_save_path_final, 'wb') as f_out: f_out.write(bytes_to_write.getvalue()) with self.downloaded_file_hashes_lock: self.downloaded_file_hashes.add(calculated_file_hash) with self.downloaded_files_lock: self.downloaded_files.add(final_filename_after_processing) self.logger(f"✅ Saved: '{final_filename_after_processing}' (from '{api_original_filename}', {downloaded_size_bytes / (1024*1024):.2f} MB) in '{target_folder_basename}'") time.sleep(0.05) return 1, 0 except Exception as save_err: self.logger(f"❌ Save Fail for '{final_filename_after_processing}': {save_err}") if os.path.exists(current_save_path_final): try: os.remove(current_save_path_final); except OSError: self.logger(f" -> Failed to remove partially saved file: {current_save_path_final}") return 0, 1 finally: if bytes_to_write: bytes_to_write.close() def process(self): """Main processing logic for a single post.""" if self.check_cancel(): return 0, 0 total_downloaded_this_post = 0 total_skipped_this_post = 0 parsed_api_url = urlparse(self.api_url_input) referer_url = f"https://{parsed_api_url.netloc}/" headers = {'User-Agent': 'Mozilla/5.0', 'Referer': referer_url} # Regex to capture URL (group 1) and link text (group 2) link_pattern = re.compile(r"""]*? # Any characters except > (non-greedy) href=["'](https?://[^"']+)["'] # Capture href URL in group 1 [^>]*? # Any characters except > (non-greedy) > # Closing > of opening tag (.*?) # Capture link text in group 2 (non-greedy) # Closing anchor tag """, re.IGNORECASE | re.VERBOSE | re.DOTALL) post_data = self.post post_title = post_data.get('title', '') or 'untitled_post' post_id = post_data.get('id', 'unknown_id') post_main_file_info = post_data.get('file') post_attachments = post_data.get('attachments', []) post_content_html = post_data.get('content', '') is_target_post_by_id = (self.target_post_id_from_initial_url is not None) and \ (str(post_id) == str(self.target_post_id_from_initial_url)) self.logger(f"\n--- Processing Post {post_id} ('{post_title[:50]}...') (Thread: {threading.current_thread().name}) ---") # --- Skip Check 1: Post Title --- if self.skip_words_list: title_lower = post_title.lower() if any(skip_word.lower() in title_lower for skip_word in self.skip_words_list): matched_skip = next((sw for sw in self.skip_words_list if sw.lower() in title_lower), "unknown_skip_word") self.logger(f" -> Skip Post (Title Keyword): Title contains '{matched_skip}'.") # Estimate skipped files count (main file + attachments) num_potential_files = len(post_attachments) + (1 if post_main_file_info else 0) return 0, num_potential_files # --- Skip Check 2: Character Filter (Only if subfolders enabled and not a target post) --- if self.filter_character_list and not is_target_post_by_id and self.use_subfolders: matched_by_char_filter = any(is_title_match_for_character(post_title, char_filter) for char_filter in self.filter_character_list) if not matched_by_char_filter: self.logger(f" -> Filter Skip Post: Title ('{post_title[:50]}...') doesn't match character filters.") num_potential_files = len(post_attachments) + (1 if post_main_file_info else 0) return 0, num_potential_files if not isinstance(post_attachments, list): self.logger(f"⚠️ Corrupt attachment data for post {post_id} (expected list, got {type(post_attachments)}). Skipping attachments.") post_attachments = [] # --- Determine Potential Save Folders --- base_save_folders = [] if self.use_subfolders: if is_target_post_by_id and self.custom_folder_name: base_save_folders = [self.custom_folder_name] self.logger(f" Folder: Using custom folder for target post: '{self.custom_folder_name}'") elif self.filter_character_list: matched_chars = [clean_folder_name(cf.lower()) for cf in self.filter_character_list if is_title_match_for_character(post_title, cf)] if matched_chars: base_save_folders = matched_chars self.logger(f" Folder: Matched character filter(s): {', '.join(base_save_folders)}") else: # If character filter is active but no match, we already skipped the post above # If no character filter, derive from title/known names matched_from_title = match_folders_from_title(post_title, self.known_names, self.unwanted_keywords) base_save_folders = matched_from_title if matched_from_title else [extract_folder_name_from_title(post_title, self.unwanted_keywords)] self.logger(f" Folder: No character filter match. Using derived: {', '.join(base_save_folders)}") else: # No character filter active matched_from_title = match_folders_from_title(post_title, self.known_names, self.unwanted_keywords) base_save_folders = matched_from_title if matched_from_title else [extract_folder_name_from_title(post_title, self.unwanted_keywords)] self.logger(f" Folder: Using derived: {', '.join(base_save_folders)}") else: # Subfolders disabled base_save_folders = [""] self.logger(" Folder: Subfolders disabled. Using root download directory.") if not base_save_folders: # Fallback if somehow no folders were determined base_save_folders = [clean_folder_name(post_title) or 'untitled_post_fallback'] # --- Skip Check 3: Potential Folder Name(s) --- if self.skip_words_list and self.use_subfolders: # Only check folder names if subfolders are used skip_post_due_to_folder = False for folder_name in base_save_folders: if not folder_name: continue # Skip check for root folder "" folder_name_lower = folder_name.lower() if any(skip_word.lower() in folder_name_lower for skip_word in self.skip_words_list): matched_skip = next((sw for sw in self.skip_words_list if sw.lower() in folder_name_lower), "unknown_skip_word") self.logger(f" -> Skip Post (Folder Keyword): Potential folder '{folder_name}' contains '{matched_skip}'.") skip_post_due_to_folder = True break # No need to check other folders for this post if skip_post_due_to_folder: num_potential_files = len(post_attachments) + (1 if post_main_file_info else 0) return 0, num_potential_files # --- End Folder Skip Check --- # --- External Link Processing (Can happen even if files are skipped later) --- if (self.show_external_links or self.extract_links_only) and post_content_html: try: found_links_with_text = link_pattern.findall(post_content_html) if found_links_with_text: unique_links_data = {} for link_url, raw_link_text in found_links_with_text: link_url = link_url.strip() clean_link_text = re.sub(r'<.*?>', '', raw_link_text) clean_link_text = html.unescape(clean_link_text) clean_link_text = clean_link_text.strip() if not any(ext in link_url.lower() for ext in ['.css', '.js', '.ico', '.xml', '.svg']) \ and not link_url.startswith('javascript:'): if link_url not in unique_links_data and clean_link_text: unique_links_data[link_url] = clean_link_text elif link_url not in unique_links_data: unique_links_data[link_url] = "[Link]" links_emitted_count = 0 scraped_platforms = {'kemono', 'coomer', 'patreon'} for link_url, link_text in unique_links_data.items(): platform = get_link_platform(link_url) if platform not in scraped_platforms: if self.signals and hasattr(self.signals, 'external_link_signal'): self.signals.external_link_signal.emit(post_title, link_text, link_url, platform) links_emitted_count +=1 if links_emitted_count > 0: self.logger(f" 🔗 Found {links_emitted_count} potential external link(s) in post content.") except Exception as e: self.logger(f"⚠️ Error parsing post content for links: {e}\n{traceback.format_exc(limit=2)}") # --- End External Link Processing --- if self.extract_links_only: self.logger(f" Extract Links Only mode: Skipping file download for post {post_id}.") return 0, 0 # --- Determine Final Save Paths (after folder name skip check passed) --- final_save_paths_for_post = [] for base_folder_name in base_save_folders: current_path = os.path.join(self.download_root, base_folder_name) if self.use_post_subfolders and self.use_subfolders: cleaned_title_for_subfolder = clean_folder_name(post_title) post_specific_subfolder = f"{post_id}_{cleaned_title_for_subfolder}" if cleaned_title_for_subfolder else f"{post_id}_untitled" final_save_paths_for_post.append(os.path.join(current_path, post_specific_subfolder)) else: final_save_paths_for_post.append(current_path) if not final_save_paths_for_post: # This case should be less likely now with the earlier folder determination, but keep as fallback self.logger(f" CRITICAL ERROR: No valid folder paths determined for post {post_id}. Skipping."); return 0, 1 # --- Prepare File List --- files_to_download_info_list = [] api_file_domain = parsed_api_url.netloc if self.download_thumbnails: self.logger(f" Thumbnail-only mode for Post {post_id}. (Functionality depends on API providing clear thumbnail links).") # Logic to find thumbnail links would go here if not files_to_download_info_list: self.logger(f" -> No specific thumbnail links found for post {post_id} in thumbnail-only mode.") return 0, 0 else: if post_main_file_info and isinstance(post_main_file_info, dict) and post_main_file_info.get('path'): file_path = post_main_file_info['path'].lstrip('/') original_api_name = post_main_file_info.get('name') or os.path.basename(file_path) if original_api_name: files_to_download_info_list.append({ 'url': f"https://{api_file_domain}{file_path}" if file_path.startswith('/') else f"https://{api_file_domain}/data/{file_path}", 'name': original_api_name, '_original_name_for_log': original_api_name, '_is_thumbnail': False }) else: self.logger(f" ⚠️ Skipping main file for post {post_id}: Missing name (Path: {file_path})") for idx, att_info in enumerate(post_attachments): if isinstance(att_info, dict) and att_info.get('path'): att_path = att_info['path'].lstrip('/') original_api_att_name = att_info.get('name') or os.path.basename(att_path) if original_api_att_name: files_to_download_info_list.append({ 'url': f"https://{api_file_domain}{att_path}" if att_path.startswith('/') else f"https://{api_file_domain}/data/{att_path}", 'name': original_api_att_name, '_original_name_for_log': original_api_att_name, '_is_thumbnail': False }) else: self.logger(f" ⚠️ Skipping attachment {idx+1} for post {post_id}: Missing name (Path: {att_path})") else: self.logger(f" ⚠️ Skipping invalid attachment {idx+1} for post {post_id}: {str(att_info)[:100]}") if not files_to_download_info_list: self.logger(f" No files found to download for post {post_id}.") return 0, 0 self.logger(f" Identified {len(files_to_download_info_list)} file(s) for potential download from post {post_id}.") # --- Download Files (Skip Check 4: Original Filename happens inside _download_single_file) --- with ThreadPoolExecutor(max_workers=self.num_file_threads, thread_name_prefix=f'P{post_id}File_') as file_pool: futures_list = [] for idx, file_info_to_dl in enumerate(files_to_download_info_list): if self.check_cancel(): break for save_location_path in final_save_paths_for_post: if self.check_cancel(): break futures_list.append(file_pool.submit( self._download_single_file, file_info_to_dl, save_location_path, headers, post_id, self.skip_current_file_flag, post_title, file_index_in_post=idx )) for future in as_completed(futures_list): if self.check_cancel(): break try: dl_count, skip_count = future.result() total_downloaded_this_post += dl_count total_skipped_this_post += skip_count except CancelledError: total_skipped_this_post += 1 except Exception as exc_f: self.logger(f"❌ File download task for post {post_id} resulted in error: {exc_f}") total_skipped_this_post += 1 if self.signals and hasattr(self.signals, 'file_progress_signal'): self.signals.file_progress_signal.emit("", 0, 0) if self.check_cancel(): self.logger(f" Post {post_id} processing cancelled."); else: self.logger(f" Post {post_id} Summary: Downloaded={total_downloaded_this_post}, Skipped Files={total_skipped_this_post}") return total_downloaded_this_post, total_skipped_this_post class DownloadThread(QThread): """Manages the overall download process (primarily for single-threaded GUI mode).""" progress_signal = pyqtSignal(str) add_character_prompt_signal = pyqtSignal(str) file_download_status_signal = pyqtSignal(bool) finished_signal = pyqtSignal(int, int, bool) # MODIFIED: Added link_text argument external_link_signal = pyqtSignal(str, str, str, str) # post_title, link_text, link_url, platform file_progress_signal = pyqtSignal(str, int, int) def __init__(self, api_url_input, output_dir, known_names_copy, cancellation_event, filter_character_list=None, filter_mode='all', skip_zip=True, skip_rar=True, use_subfolders=True, use_post_subfolders=False, custom_folder_name=None, compress_images=False, download_thumbnails=False, service=None, user_id=None, downloaded_files=None, downloaded_file_hashes=None, downloaded_files_lock=None, downloaded_file_hashes_lock=None, skip_words_list=None, show_external_links=False, num_file_threads_for_worker=1, skip_current_file_flag=None, start_page=None, end_page=None, target_post_id_from_initial_url=None, manga_mode_active=False, unwanted_keywords=None ): super().__init__() self.api_url_input = api_url_input self.output_dir = output_dir self.known_names = list(known_names_copy) self.cancellation_event = cancellation_event self.skip_current_file_flag = skip_current_file_flag self.initial_target_post_id = target_post_id_from_initial_url self.filter_character_list = filter_character_list if filter_character_list else [] self.filter_mode = filter_mode self.skip_zip = skip_zip self.skip_rar = skip_rar self.use_subfolders = use_subfolders self.use_post_subfolders = use_post_subfolders self.custom_folder_name = custom_folder_name self.compress_images = compress_images self.download_thumbnails = download_thumbnails self.service = service self.user_id = user_id self.skip_words_list = skip_words_list if skip_words_list is not None else [] self.downloaded_files = downloaded_files if downloaded_files is not None else set() self.downloaded_files_lock = downloaded_files_lock if downloaded_files_lock is not None else threading.Lock() self.downloaded_file_hashes = downloaded_file_hashes if downloaded_file_hashes is not None else set() self.downloaded_file_hashes_lock = downloaded_file_hashes_lock if downloaded_file_hashes_lock is not None else threading.Lock() self._add_character_response = None self.prompt_mutex = QMutex() self.show_external_links = show_external_links self.num_file_threads_for_worker = num_file_threads_for_worker self.start_page = start_page self.end_page = end_page self.manga_mode_active = manga_mode_active self.unwanted_keywords = unwanted_keywords if unwanted_keywords is not None else {'spicy', 'hd', 'nsfw', '4k', 'preview', 'teaser', 'clip'} if self.compress_images and Image is None: self.logger("⚠️ Image compression disabled: Pillow library not found (DownloadThread).") self.compress_images = False def logger(self, message): """Emits a log message via the progress_signal.""" self.progress_signal.emit(str(message)) def isInterruptionRequested(self): """Overrides QThread's interruption check to also use the cancellation_event.""" return super().isInterruptionRequested() or self.cancellation_event.is_set() def skip_file(self): """Sets the skip_current_file_flag to skip the currently downloading file.""" if self.isRunning() and self.skip_current_file_flag: self.logger("⏭️ Skip requested for current file (single-thread mode).") self.skip_current_file_flag.set() else: self.logger("ℹ️ Skip file: No download active or flag not set.") def run(self): """Main execution loop for the download thread.""" grand_total_downloaded_files = 0 grand_total_skipped_files = 0 was_process_cancelled = False worker_signals_obj = PostProcessorSignals() try: worker_signals_obj.progress_signal.connect(self.progress_signal) worker_signals_obj.file_download_status_signal.connect(self.file_download_status_signal) worker_signals_obj.file_progress_signal.connect(self.file_progress_signal) # Connect the worker's external_link_signal to this thread's external_link_signal # This ensures links found by the worker (even in single-thread mode) are emitted by this thread worker_signals_obj.external_link_signal.connect(self.external_link_signal) self.logger(" Starting post fetch (single-threaded download process)...") post_generator = download_from_api( self.api_url_input, logger=self.logger, start_page=self.start_page, end_page=self.end_page, manga_mode=self.manga_mode_active, cancellation_event=self.cancellation_event # Pass cancellation event ) for posts_batch_data in post_generator: if self.isInterruptionRequested(): was_process_cancelled = True; break for individual_post_data in posts_batch_data: if self.isInterruptionRequested(): was_process_cancelled = True; break post_processing_worker = PostProcessorWorker( post_data=individual_post_data, download_root=self.output_dir, known_names=self.known_names, filter_character_list=self.filter_character_list, unwanted_keywords=self.unwanted_keywords, filter_mode=self.filter_mode, skip_zip=self.skip_zip, skip_rar=self.skip_rar, use_subfolders=self.use_subfolders, use_post_subfolders=self.use_post_subfolders, target_post_id_from_initial_url=self.initial_target_post_id, custom_folder_name=self.custom_folder_name, compress_images=self.compress_images, download_thumbnails=self.download_thumbnails, service=self.service, user_id=self.user_id, api_url_input=self.api_url_input, cancellation_event=self.cancellation_event, signals=worker_signals_obj, # Pass the connected signals object downloaded_files=self.downloaded_files, downloaded_file_hashes=self.downloaded_file_hashes, downloaded_files_lock=self.downloaded_files_lock, downloaded_file_hashes_lock=self.downloaded_file_hashes_lock, skip_words_list=self.skip_words_list, show_external_links=self.show_external_links, extract_links_only=False, num_file_threads=self.num_file_threads_for_worker, skip_current_file_flag=self.skip_current_file_flag, manga_mode_active=self.manga_mode_active ) try: dl_count, skip_count = post_processing_worker.process() grand_total_downloaded_files += dl_count grand_total_skipped_files += skip_count except Exception as proc_err: post_id_for_err = individual_post_data.get('id', 'N/A') self.logger(f"❌ Error processing post {post_id_for_err} in DownloadThread: {proc_err}") traceback.print_exc() grand_total_skipped_files += len(individual_post_data.get('attachments', [])) + (1 if individual_post_data.get('file') else 0) if self.skip_current_file_flag and self.skip_current_file_flag.is_set(): self.skip_current_file_flag.clear() self.logger(" Skip current file flag was processed and cleared.") self.msleep(10) if was_process_cancelled: break if not was_process_cancelled: self.logger("✅ All posts processed or end of content reached.") except Exception as main_thread_err: self.logger(f"\n❌ Critical error within DownloadThread run loop: {main_thread_err}") traceback.print_exc() if not self.isInterruptionRequested(): was_process_cancelled = False finally: try: if worker_signals_obj: # Disconnect signals worker_signals_obj.progress_signal.disconnect(self.progress_signal) worker_signals_obj.file_download_status_signal.disconnect(self.file_download_status_signal) worker_signals_obj.external_link_signal.disconnect(self.external_link_signal) worker_signals_obj.file_progress_signal.disconnect(self.file_progress_signal) except (TypeError, RuntimeError) as e: self.logger(f"ℹ️ Note during signal disconnection: {e}") self.finished_signal.emit(grand_total_downloaded_files, grand_total_skipped_files, was_process_cancelled) def receive_add_character_result(self, result): """Handles the response from a character add prompt (if GUI signals back to this thread).""" with QMutexLocker(self.prompt_mutex): self._add_character_response = result self.logger(f" (DownloadThread) Received character prompt response: {'Yes' if result else 'No'}")