import platform import gradio as gr from pathlib import Path import logging import asyncio from typing import Any, Optional, Dict, List, Union, Tuple from ..services import TrainingService, CaptioningService, SplittingService, ImportService from ..config import ( STORAGE_PATH, VIDEOS_TO_SPLIT_PATH, STAGING_PATH, OUTPUT_PATH, TRAINING_PATH, LOG_FILE_PATH, TRAINING_PRESETS, TRAINING_VIDEOS_PATH, MODEL_PATH, OUTPUT_PATH, MODEL_TYPES, SMALL_TRAINING_BUCKETS ) from ..utils import count_media_files, format_media_title, TrainingLogParser from ..tabs import ImportTab, SplitTab, CaptionTab, TrainTab, ManageTab logger = logging.getLogger(__name__) logger.setLevel(logging.INFO) httpx_logger = logging.getLogger('httpx') httpx_logger.setLevel(logging.WARN) class VideoTrainerUI: def __init__(self): """Initialize services and tabs""" # Initialize core services self.trainer = TrainingService() self.splitter = SplittingService() self.importer = ImportService() self.captioner = CaptioningService() # Recovery status from any interrupted training recovery_result = self.trainer.recover_interrupted_training() # Add null check for recovery_result if recovery_result is None: recovery_result = {"status": "unknown", "ui_updates": {}} self.recovery_status = recovery_result.get("status", "unknown") self.ui_updates = recovery_result.get("ui_updates", {}) # Initialize log parser self.log_parser = TrainingLogParser() # Shared state for tabs self.state = { "recovery_result": recovery_result } # Initialize tabs dictionary (will be populated in create_ui) self.tabs = {} self.tabs_component = None # Log recovery status logger.info(f"Initialization complete. Recovery status: {self.recovery_status}") def create_ui(self): """Create the main Gradio UI""" with gr.Blocks(title="🎥 Video Model Studio") as app: gr.Markdown("# 🎥 Video Model Studio") # Create main tabs component with gr.Tabs() as self.tabs_component: # Initialize tab objects self.tabs["import_tab"] = ImportTab(self) self.tabs["split_tab"] = SplitTab(self) self.tabs["caption_tab"] = CaptionTab(self) self.tabs["train_tab"] = TrainTab(self) self.tabs["manage_tab"] = ManageTab(self) # Create tab UI components for tab_id, tab_obj in self.tabs.items(): tab_obj.create(self.tabs_component) # Connect event handlers for tab_id, tab_obj in self.tabs.items(): tab_obj.connect_events() # app-level timers for auto-refresh functionality self._add_timers() # Initialize app state on load app.load( fn=self.initialize_app_state, outputs=[ self.tabs["split_tab"].components["video_list"], self.tabs["caption_tab"].components["training_dataset"], self.tabs["train_tab"].components["start_btn"], self.tabs["train_tab"].components["stop_btn"], self.tabs["train_tab"].components["pause_resume_btn"], self.tabs["train_tab"].components["training_preset"], self.tabs["train_tab"].components["model_type"], self.tabs["train_tab"].components["training_type"], # Add the new training_type component to outputs self.tabs["train_tab"].components["lora_rank"], self.tabs["train_tab"].components["lora_alpha"], self.tabs["train_tab"].components["num_epochs"], self.tabs["train_tab"].components["batch_size"], self.tabs["train_tab"].components["learning_rate"], self.tabs["train_tab"].components["save_iterations"] ] ) return app def _add_timers(self): """Add auto-refresh timers to the UI""" # Status update timer (every 1 second) status_timer = gr.Timer(value=1) # Use a safer approach - check if the component exists before using it outputs = [ self.tabs["train_tab"].components["status_box"], self.tabs["train_tab"].components["log_box"], self.tabs["train_tab"].components["start_btn"], self.tabs["train_tab"].components["stop_btn"] ] # Add delete_checkpoints_btn only if it exists if "delete_checkpoints_btn" in self.tabs["train_tab"].components: outputs.append(self.tabs["train_tab"].components["delete_checkpoints_btn"]) else: # Add pause_resume_btn as fallback outputs.append(self.tabs["train_tab"].components["pause_resume_btn"]) status_timer.tick( fn=self.tabs["train_tab"].get_latest_status_message_logs_and_button_labels, outputs=outputs ) # Dataset refresh timer (every 5 seconds) dataset_timer = gr.Timer(value=5) dataset_timer.tick( fn=self.refresh_dataset, outputs=[ self.tabs["split_tab"].components["video_list"], self.tabs["caption_tab"].components["training_dataset"] ] ) # Titles update timer (every 6 seconds) titles_timer = gr.Timer(value=6) titles_timer.tick( fn=self.update_titles, outputs=[ self.tabs["split_tab"].components["split_title"], self.tabs["caption_tab"].components["caption_title"], self.tabs["train_tab"].components["train_title"] ] ) def initialize_app_state(self): """Initialize all app state in one function to ensure correct output count""" # Get dataset info video_list = self.tabs["split_tab"].list_unprocessed_videos() training_dataset = self.tabs["caption_tab"].list_training_files_to_caption() # Get button states based on recovery status button_states = self.get_initial_button_states() start_btn = button_states[0] stop_btn = button_states[1] delete_checkpoints_btn = button_states[2] # This replaces pause_resume_btn in the response tuple # Get UI form values - possibly from the recovery if self.recovery_status in ["recovered", "ready_to_recover", "running"] and "ui_updates" in self.state["recovery_result"]: recovery_ui = self.state["recovery_result"]["ui_updates"] # If we recovered training parameters from the original session ui_state = {} # Handle model_type specifically - could be internal or display name if "model_type" in recovery_ui: model_type_value = recovery_ui["model_type"] # If it's an internal name, convert to display name if model_type_value not in MODEL_TYPES: # Find the display name for this internal model type for display_name, internal_name in MODEL_TYPES.items(): if internal_name == model_type_value: model_type_value = display_name logger.info(f"Converted internal model type '{recovery_ui['model_type']}' to display name '{model_type_value}'") break ui_state["model_type"] = model_type_value # Handle training_type if "training_type" in recovery_ui: training_type_value = recovery_ui["training_type"] # If it's an internal name, convert to display name if training_type_value not in TRAINING_TYPES: for display_name, internal_name in TRAINING_TYPES.items(): if internal_name == training_type_value: training_type_value = display_name logger.info(f"Converted internal training type '{recovery_ui['training_type']}' to display name '{training_type_value}'") break ui_state["training_type"] = training_type_value # Copy other parameters for param in ["lora_rank", "lora_alpha", "num_epochs", "batch_size", "learning_rate", "save_iterations", "training_preset"]: if param in recovery_ui: ui_state[param] = recovery_ui[param] # Merge with existing UI state if needed if ui_state: current_state = self.load_ui_values() current_state.update(ui_state) self.trainer.save_ui_state(current_state) logger.info(f"Updated UI state from recovery: {ui_state}") # Load values (potentially with recovery updates applied) ui_state = self.load_ui_values() # Ensure model_type is a display name, not internal name model_type_val = ui_state.get("model_type", list(MODEL_TYPES.keys())[0]) if model_type_val not in MODEL_TYPES: # Convert from internal to display name for display_name, internal_name in MODEL_TYPES.items(): if internal_name == model_type_val: model_type_val = display_name break # Ensure training_type is a display name, not internal name training_type_val = ui_state.get("training_type", list(TRAINING_TYPES.keys())[0]) if training_type_val not in TRAINING_TYPES: # Convert from internal to display name for display_name, internal_name in TRAINING_TYPES.items(): if internal_name == training_type_val: training_type_val = display_name break training_preset = ui_state.get("training_preset", list(TRAINING_PRESETS.keys())[0]) lora_rank_val = ui_state.get("lora_rank", "128") lora_alpha_val = ui_state.get("lora_alpha", "128") num_epochs_val = int(ui_state.get("num_epochs", 70)) batch_size_val = int(ui_state.get("batch_size", 1)) learning_rate_val = float(ui_state.get("learning_rate", 3e-5)) save_iterations_val = int(ui_state.get("save_iterations", 500)) # Return all values in the exact order expected by outputs return ( video_list, training_dataset, start_btn, stop_btn, delete_checkpoints_btn, training_preset, model_type_val, training_type_val, lora_rank_val, lora_alpha_val, num_epochs_val, batch_size_val, learning_rate_val, save_iterations_val ) def initialize_ui_from_state(self): """Initialize UI components from saved state""" ui_state = self.load_ui_values() # Return values in order matching the outputs in app.load return ( ui_state.get("training_preset", list(TRAINING_PRESETS.keys())[0]), ui_state.get("model_type", list(MODEL_TYPES.keys())[0]), ui_state.get("training_type", list(TRAINING_TYPES.keys())[0]), ui_state.get("lora_rank", "128"), ui_state.get("lora_alpha", "128"), ui_state.get("num_epochs", 70), ui_state.get("batch_size", 1), ui_state.get("learning_rate", 3e-5), ui_state.get("save_iterations", 500) ) def update_ui_state(self, **kwargs): """Update UI state with new values""" current_state = self.trainer.load_ui_state() current_state.update(kwargs) self.trainer.save_ui_state(current_state) # Don't return anything to avoid Gradio warnings return None def load_ui_values(self): """Load UI state values for initializing form fields""" ui_state = self.trainer.load_ui_state() # Ensure proper type conversion for numeric values ui_state["lora_rank"] = ui_state.get("lora_rank", "128") ui_state["lora_alpha"] = ui_state.get("lora_alpha", "128") ui_state["num_epochs"] = int(ui_state.get("num_epochs", 70)) ui_state["batch_size"] = int(ui_state.get("batch_size", 1)) ui_state["learning_rate"] = float(ui_state.get("learning_rate", 3e-5)) ui_state["save_iterations"] = int(ui_state.get("save_iterations", 500)) return ui_state # Add this new method to get initial button states: def get_initial_button_states(self): """Get the initial states for training buttons based on recovery status""" recovery_result = self.state.get("recovery_result") or self.trainer.recover_interrupted_training() ui_updates = recovery_result.get("ui_updates", {}) # Check for checkpoints to determine start button text has_checkpoints = len(list(OUTPUT_PATH.glob("checkpoint-*"))) > 0 # Default button states if recovery didn't provide any if not ui_updates or not ui_updates.get("start_btn"): is_training = self.trainer.is_training_running() if is_training: # Active training detected start_btn_props = {"interactive": False, "variant": "secondary", "value": "Continue Training" if has_checkpoints else "Start Training"} stop_btn_props = {"interactive": True, "variant": "primary", "value": "Stop at Last Checkpoint"} delete_btn_props = {"interactive": False, "variant": "stop", "value": "Delete All Checkpoints"} else: # No active training start_btn_props = {"interactive": True, "variant": "primary", "value": "Continue Training" if has_checkpoints else "Start Training"} stop_btn_props = {"interactive": False, "variant": "secondary", "value": "Stop at Last Checkpoint"} delete_btn_props = {"interactive": has_checkpoints, "variant": "stop", "value": "Delete All Checkpoints"} else: # Use button states from recovery start_btn_props = ui_updates.get("start_btn", {"interactive": True, "variant": "primary", "value": "Start Training"}) stop_btn_props = ui_updates.get("stop_btn", {"interactive": False, "variant": "secondary", "value": "Stop at Last Checkpoint"}) delete_btn_props = ui_updates.get("delete_checkpoints_btn", {"interactive": has_checkpoints, "variant": "stop", "value": "Delete All Checkpoints"}) # Return button states in the correct order return ( gr.Button(**start_btn_props), gr.Button(**stop_btn_props), gr.Button(**delete_btn_props) ) def update_titles(self) -> Tuple[Any]: """Update all dynamic titles with current counts Returns: Dict of Gradio updates """ # Count files for splitting split_videos, _, split_size = count_media_files(VIDEOS_TO_SPLIT_PATH) split_title = format_media_title( "split", split_videos, 0, split_size ) # Count files for captioning caption_videos, caption_images, caption_size = count_media_files(STAGING_PATH) caption_title = format_media_title( "caption", caption_videos, caption_images, caption_size ) # Count files for training train_videos, train_images, train_size = count_media_files(TRAINING_VIDEOS_PATH) train_title = format_media_title( "train", train_videos, train_images, train_size ) return ( gr.Markdown(value=split_title), gr.Markdown(value=caption_title), gr.Markdown(value=f"{train_title} available for training") ) def refresh_dataset(self): """Refresh all dynamic lists and training state""" video_list = self.tabs["split_tab"].list_unprocessed_videos() training_dataset = self.tabs["caption_tab"].list_training_files_to_caption() return ( video_list, training_dataset )