| import base64 | |
| import io | |
| import time | |
| import gradio as gr | |
| from pydantic import BaseModel, Field | |
| from modules.shared import opts | |
| import modules.shared as shared | |
| current_task = None | |
| pending_tasks = {} | |
| finished_tasks = [] | |
| def start_task(id_task): | |
| global current_task | |
| current_task = id_task | |
| pending_tasks.pop(id_task, None) | |
| def finish_task(id_task): | |
| global current_task | |
| if current_task == id_task: | |
| current_task = None | |
| finished_tasks.append(id_task) | |
| if len(finished_tasks) > 16: | |
| finished_tasks.pop(0) | |
| def add_task_to_queue(id_job): | |
| pending_tasks[id_job] = time.time() | |
| class ProgressRequest(BaseModel): | |
| id_task: str = Field(default=None, title="Task ID", description="id of the task to get progress for") | |
| id_live_preview: int = Field(default=-1, title="Live preview image ID", description="id of last received last preview image") | |
| class ProgressResponse(BaseModel): | |
| active: bool = Field(title="Whether the task is being worked on right now") | |
| queued: bool = Field(title="Whether the task is in queue") | |
| completed: bool = Field(title="Whether the task has already finished") | |
| progress: float = Field(default=None, title="Progress", description="The progress with a range of 0 to 1") | |
| eta: float = Field(default=None, title="ETA in secs") | |
| live_preview: str = Field(default=None, title="Live preview image", description="Current live preview; a data: uri") | |
| id_live_preview: int = Field(default=None, title="Live preview image ID", description="Send this together with next request to prevent receiving same image") | |
| textinfo: str = Field(default=None, title="Info text", description="Info text used by WebUI.") | |
| def setup_progress_api(app): | |
| return app.add_api_route("/internal/progress", progressapi, methods=["POST"], response_model=ProgressResponse) | |
| def progressapi(req: ProgressRequest): | |
| active = req.id_task == current_task | |
| queued = req.id_task in pending_tasks | |
| completed = req.id_task in finished_tasks | |
| if not active: | |
| return ProgressResponse(active=active, queued=queued, completed=completed, id_live_preview=-1, textinfo="In queue..." if queued else "Waiting...") | |
| progress = 0 | |
| job_count, job_no = shared.state.job_count, shared.state.job_no | |
| sampling_steps, sampling_step = shared.state.sampling_steps, shared.state.sampling_step | |
| if job_count > 0: | |
| progress += job_no / job_count | |
| if sampling_steps > 0 and job_count > 0: | |
| progress += 1 / job_count * sampling_step / sampling_steps | |
| progress = min(progress, 1) | |
| elapsed_since_start = time.time() - shared.state.time_start | |
| predicted_duration = elapsed_since_start / progress if progress > 0 else None | |
| eta = predicted_duration - elapsed_since_start if predicted_duration is not None else None | |
| id_live_preview = req.id_live_preview | |
| shared.state.set_current_image() | |
| if opts.live_previews_enable and shared.state.id_live_preview != req.id_live_preview: | |
| image = shared.state.current_image | |
| if image is not None: | |
| buffered = io.BytesIO() | |
| image.save(buffered, format="png") | |
| live_preview = 'data:image/png;base64,' + base64.b64encode(buffered.getvalue()).decode("ascii") | |
| id_live_preview = shared.state.id_live_preview | |
| else: | |
| live_preview = None | |
| else: | |
| live_preview = None | |
| return ProgressResponse(active=active, queued=queued, completed=completed, progress=progress, eta=eta, live_preview=live_preview, id_live_preview=id_live_preview, textinfo=shared.state.textinfo) | |