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import copy
import asyncio
import functools
import inspect
import threading
import time
from pathlib import Path
from typing import Any, Sequence
from shared.api import GeneratedArtifact, GenerationError, GenerationResult, PreviewUpdate, SessionJob, WanGPSession, _pushd
_NO_YIELDED_RESULT = object()
_GRADIO_LOG_PATCH_LOCK = threading.Lock()
_ORIGINAL_GRADIO_LOG_MESSAGE = None
_WRAPPED_LOG_LOCAL = threading.local()
def _buffered_gradio_log_message(message: str, title: str, level: str = "info", duration: float | None = 10, visible: bool = True):
from gradio.context import LocalContext
blocks = LocalContext.blocks.get()
event_id = LocalContext.event_id.get()
if blocks is not None and event_id is not None:
return _ORIGINAL_GRADIO_LOG_MESSAGE(message, title=title, level=level, duration=duration, visible=visible)
owner = getattr(_WRAPPED_LOG_LOCAL, "owner", None)
call_id = str(getattr(_WRAPPED_LOG_LOCAL, "call_id", "") or "").strip()
if owner is not None and len(call_id) > 0:
state = owner._get_wrapped_call(call_id)
if state is not None:
state.queue_log_message(message=message, title=title, level=level, duration=duration, visible=visible)
return
return _ORIGINAL_GRADIO_LOG_MESSAGE(message, title=title, level=level, duration=duration, visible=visible)
def _ensure_gradio_log_message_patch() -> None:
global _ORIGINAL_GRADIO_LOG_MESSAGE
with _GRADIO_LOG_PATCH_LOCK:
if _ORIGINAL_GRADIO_LOG_MESSAGE is not None:
return
import gradio.helpers as gr_helpers
_ORIGINAL_GRADIO_LOG_MESSAGE = gr_helpers.log_message
gr_helpers.log_message = _buffered_gradio_log_message
def _normalize_queue_request(request):
if request is None:
return None
try:
from gradio import route_utils
route_utils.get_api_call_path(request)
return request
except Exception:
pass
try:
from fastapi import Request as FastAPIRequest
except Exception:
return request
scope = dict(getattr(request, "scope", {}) or {})
if scope.get("type") != "http":
return request
queue_path = f"{route_utils.API_PREFIX}/queue/join"
scope["path"] = queue_path
scope["raw_path"] = queue_path.encode("utf-8")
scope["query_string"] = b""
try:
return FastAPIRequest(scope, request.receive)
except Exception:
return request
class GradioProgressCallbacks:
def __init__(self, progress) -> None:
self._progress = progress
self._ratio = 0.0
def on_status(self, status) -> None:
status = str(status or "").strip()
if status:
self._progress(self._ratio, desc=status)
def on_progress(self, update) -> None:
self._ratio = max(0.0, min(1.0, float(getattr(update, "progress", 0)) / 100.0))
self._progress(self._ratio, desc=str(getattr(update, "status", "") or "Generating..."))
class _WrappedCallState:
def __init__(self, output_count: int) -> None:
self.output_count = output_count
self.done = threading.Event()
self.result: Any = None
self.has_result = False
self.error: BaseException | None = None
self.job: SessionJob | None = None
self.abort_client_id = ""
self._abort_client_ids: list[str] = []
self._abort_client_ids_lock = threading.Lock()
self.callback_context_ready = threading.Event()
self.callback_context: dict[str, Any] | None = None
self._followup_jobs: list[SessionJob] = []
self._followup_lock = threading.Lock()
self._followup_enabled = False
self._primary_job_forwarded = False
self._yielded_results: list[Any] = []
self._yielded_results_lock = threading.Lock()
self._log_messages: list[dict[str, Any]] = []
self._log_messages_lock = threading.Lock()
def set_result(self, result: Any) -> None:
self.result = result
self.has_result = True
self.done.set()
def set_completed(self) -> None:
self.done.set()
def set_error(self, error: BaseException) -> None:
self.error = error
self.done.set()
def set_callback_context(self, context: dict[str, Any]) -> None:
self.callback_context = dict(context)
self.callback_context_ready.set()
def enable_followup_queue_triggers(self) -> None:
self._followup_enabled = True
def add_followup_job(self, job: SessionJob) -> None:
if not self._followup_enabled:
return
with self._followup_lock:
self._followup_jobs.append(job)
def pop_ready_followup_load_queue_token(self) -> str:
with self._followup_lock:
for index, job in enumerate(self._followup_jobs):
if job.webui_submission_ready:
self._followup_jobs.pop(index)
return job.webui_load_queue_token
return ""
def pop_primary_load_queue_token(self) -> str:
if self._primary_job_forwarded or self.job is None or not self.job.webui_submission_ready:
return ""
self._primary_job_forwarded = True
self.enable_followup_queue_triggers()
return self.job.webui_load_queue_token
def queue_abort_client_id(self, client_id: str) -> None:
client_id = str(client_id or "").strip()
if len(client_id) == 0:
return
with self._abort_client_ids_lock:
self._abort_client_ids.append(client_id)
def pop_abort_client_id(self) -> str:
with self._abort_client_ids_lock:
if not self._abort_client_ids:
return ""
client_id = self._abort_client_ids.pop(0)
self.abort_client_id = client_id
return client_id
def push_yielded_result(self, result: Any) -> None:
with self._yielded_results_lock:
self._yielded_results.append(result)
def pop_yielded_result(self) -> Any:
with self._yielded_results_lock:
if not self._yielded_results:
return _NO_YIELDED_RESULT
return self._yielded_results.pop(0)
def queue_log_message(self, *, message: str, title: str, level: str, duration: float | None, visible: bool) -> None:
with self._log_messages_lock:
self._log_messages.append({"log": str(message or ""), "title": str(title or ""), "level": str(level or "info"), "duration": duration, "visible": bool(visible)})
def pop_log_messages(self) -> list[dict[str, Any]]:
with self._log_messages_lock:
if not self._log_messages:
return []
messages = list(self._log_messages)
self._log_messages.clear()
return messages
class _BoundGradioCallbacks:
def __init__(self, callbacks: object, state: _WrappedCallState, owner: "GradioWanGPSession") -> None:
self._callbacks = callbacks
self._state = state
self._owner = owner
def __getattr__(self, name: str) -> Any:
target = getattr(self._callbacks, name)
if not callable(target):
return target
@functools.wraps(target)
def wrapped(*args, **kwargs):
self._state.callback_context_ready.wait(timeout=30.0)
context = self._state.callback_context
if not isinstance(context, dict):
return target(*args, **kwargs)
with self._owner._push_callback_context(context):
return target(*args, **kwargs)
return wrapped
class WebUIQueueProbe:
_POLL_INTERVAL_SECONDS = 0.2
_MISSING_OUTPUT_TIMEOUT_SECONDS = 5.0
_QUEUE_ADMISSION_SUSPEND_NOTICE_SECONDS = 10.0
_INLINE_QUEUE_SLOT_TIMEOUT_SECONDS = 10.0
_CANCEL_GRACE_SECONDS = 1.0
def __init__(self, session: WanGPSession, runtime, tasks: list[dict[str, Any]], job: SessionJob) -> None:
self._session = session
self._runtime = runtime
self._tasks = tasks
self._job = job
self._wgp = runtime.module
self._gen = session._state["gen"]
self._manifest = job.webui_manifest or self._build_manifest(tasks)
self._client_ids: list[str] = []
self._task_index_by_client_id: dict[str, int] = {}
self._task_id_by_client_id: dict[str, Any] = {}
self._outputs_by_client_id: dict[str, str] = {}
self._artifacts_by_client_id: dict[str, GeneratedArtifact] = {}
self._errors_by_client_id: dict[str, GenerationError] = {}
self._admitted_client_ids: set[str] = set()
self._missing_output_since: dict[str, float] = {}
self._last_status_text = ""
self._last_active_client_id = ""
self._last_progress_key: tuple[Any, ...] | None = None
self._last_preview_key: tuple[Any, ...] | None = None
self._active_progress_seed: Any = None
self._cancel_issued = False
self._cancel_requested_at: float | None = None
self._cancel_dispatched_client_ids: set[str] = set()
self._submitted_at = 0.0
self._queue_wait_suspended = False
self._logged_admitted_client_ids: set[str] = set()
self._logged_missing_output_client_ids: set[str] = set()
self._live_started_client_ids: set[str] = set()
for index, task in enumerate(self._tasks, start=1):
params = self._session._get_task_settings(task)
client_id = str(params.get("client_id", "") or "").strip()
if len(client_id) == 0:
continue
self._client_ids.append(client_id)
self._task_index_by_client_id[client_id] = index
self._task_id_by_client_id[client_id] = task.get("id")
def run(self) -> GenerationResult:
self._submit_inline_manifest()
while not self._all_clients_finished():
self._poll_once()
if self._all_clients_finished():
break
time.sleep(self._POLL_INTERVAL_SECONDS)
generated_files = [self._outputs_by_client_id[client_id] for client_id in self._client_ids if client_id in self._outputs_by_client_id]
errors = [self._errors_by_client_id[client_id] for client_id in self._client_ids if client_id in self._errors_by_client_id]
successful_tasks = len(generated_files)
failed_tasks = len(self._client_ids) - successful_tasks
return GenerationResult(
success=len(errors) == 0 and failed_tasks == 0,
generated_files=generated_files,
errors=errors,
total_tasks=len(self._client_ids),
successful_tasks=successful_tasks,
failed_tasks=failed_tasks,
artifacts=tuple(self._artifacts_by_client_id.get(client_id) for client_id in self._client_ids if client_id in self._artifacts_by_client_id),
)
def _submit_inline_manifest(self) -> None:
self._reset_idle_state()
self._wait_for_inline_queue_slot()
if self._job.cancel_requested:
for client_id in self._client_ids:
self._register_error(client_id, "Generation was cancelled", stage="cancelled")
return
self._gen.setdefault("queue_errors", {})
self._gen["inline_queue"] = copy.deepcopy(self._manifest)
self._job._mark_webui_submission_ready()
print(f"WanGP API queued client_ids={self._client_ids}")
gradio_context = getattr(self._session, "_gradio_webui_context", None)
if not isinstance(gradio_context, dict) or not gradio_context.get("defer_load_queue_trigger", False):
self._trigger_load_queue_event()
self._submitted_at = time.time()
self._publish("status", "Queued in WanGP...", "on_status")
def _trigger_load_queue_event(self) -> None:
gradio_context = getattr(self._session, "_gradio_webui_context", None)
if not isinstance(gradio_context, dict):
raise RuntimeError("WanGP WebUI queue submission requires an active Gradio session context.")
fn_index = gradio_context.get("load_queue_fn_index")
blocks = gradio_context.get("blocks")
request = gradio_context.get("request")
session_hash = gradio_context.get("session_hash")
if not isinstance(fn_index, int) or blocks is None or request is None or not session_hash:
raise RuntimeError("WanGP WebUI queue trigger is unavailable for the current Gradio session.")
from gradio.data_classes import PredictBodyInternal
request = _normalize_queue_request(request)
if getattr(blocks._queue, "server_app", None) is None and getattr(blocks, "app", None) is not None:
blocks._queue.set_server_app(blocks.app)
body = PredictBodyInternal(session_hash=session_hash, fn_index=fn_index, data=[None, None], request=request)
success, error_or_event_id = asyncio.run(blocks._queue.push(body=body, request=request, username=getattr(request, "username", None)))
if not success:
raise RuntimeError(str(error_or_event_id))
def _wait_for_inline_queue_slot(self) -> None:
deadline = time.time() + self._INLINE_QUEUE_SLOT_TIMEOUT_SECONDS
while self._gen.get("inline_queue") is not None:
if self._job.cancel_requested:
return
if time.time() >= deadline:
raise RuntimeError("WanGP inline queue bridge is busy")
time.sleep(0.05)
def _reset_idle_state(self) -> None:
if self._gen.get("in_progress", False) or list(self._gen.get("queue", []) or []):
return
self._gen["abort"] = False
self._gen["resume"] = False
self._gen["early_stop"] = False
self._gen["early_stop_forwarded"] = False
self._gen["status"] = ""
self._gen["status_display"] = False
self._gen["last_progress_args"] = None
self._gen["progress_args"] = None
self._gen["preview"] = None
def _poll_once(self) -> None:
queue_client_ids, active_client_id = self._get_queue_snapshot()
for client_id in queue_client_ids:
if client_id in self._client_ids:
self._admitted_client_ids.add(client_id)
if client_id not in self._logged_admitted_client_ids:
print(f"WanGP API admitted client_id={client_id}")
self._logged_admitted_client_ids.add(client_id)
if self._job.cancel_requested:
self._request_cancel()
if self._queue_wait_suspended and any(client_id in self._admitted_client_ids for client_id in self._client_ids):
print("WanGP back in focus API queue resumed")
self._queue_wait_suspended = False
self._check_queue_errors()
self._check_outputs(queue_client_ids)
self._emit_live_updates(queue_client_ids, active_client_id)
self._check_queue_admission_timeout()
self._finalize_cancelled_clients(queue_client_ids)
def _get_queue_snapshot(self) -> tuple[list[str], str]:
queue_client_ids: list[str] = []
active_client_id = ""
first_queue_task = True
for task in list(self._gen.get("queue", []) or []):
if not isinstance(task, dict):
continue
params = self._session._get_task_settings(task)
client_id = str(params.get("client_id", "") or "").strip()
if first_queue_task:
active_client_id = client_id
first_queue_task = False
if len(client_id) == 0:
continue
queue_client_ids.append(client_id)
return queue_client_ids, active_client_id
def _check_queue_errors(self) -> None:
queue_errors = self._gen.get("queue_errors", {}) or {}
for client_id in self._client_ids:
if client_id in self._outputs_by_client_id or client_id in self._errors_by_client_id:
continue
error_tuple = queue_errors.get(client_id)
if error_tuple is None:
continue
error_text = str(error_tuple[0] if len(error_tuple) > 0 else "WanGP queue error")
aborted = bool(error_tuple[1]) if len(error_tuple) > 1 else False
print(f"WanGP API queue error client_id={client_id} aborted={aborted} error={error_text}")
if aborted:
self._remove_queue_client_id(client_id)
self._register_error(client_id, "Generation was cancelled", stage="cancelled")
else:
self._register_error(client_id, error_text or "WanGP queue error", stage="generation")
def _check_outputs(self, queue_client_ids: list[str]) -> None:
processed = self._wgp.get_processed_queue(self._gen)
if not isinstance(processed, tuple) or len(processed) != 4:
return
file_list, file_settings_list, audio_file_list, audio_file_settings_list = processed
for client_id in self._client_ids:
if client_id in self._outputs_by_client_id or client_id in self._errors_by_client_id:
continue
output_path = self._find_output_for_client(client_id, file_list, file_settings_list, audio_file_list, audio_file_settings_list)
pending_artifact = self._session._peek_output_artifact(client_id)
if pending_artifact is not None and client_id not in queue_client_ids:
if not queue_client_ids and self._gen.get("in_progress", False):
if client_id not in self._logged_missing_output_client_ids:
print(f"WanGP API delaying completion for client_id={client_id} until main queue settles")
self._logged_missing_output_client_ids.add(client_id)
continue
artifact = self._session._consume_output_artifact(client_id)
resolved_output_path = str(output_path or (artifact.path if artifact is not None else "") or "").strip()
if len(resolved_output_path) == 0:
self._register_error(client_id, f"Generation produced an API artifact for client_id '{client_id}' without an output path.", stage="generation")
continue
self._outputs_by_client_id[client_id] = resolved_output_path
if artifact is not None:
self._artifacts_by_client_id[client_id] = GeneratedArtifact(
path=resolved_output_path,
media_type=artifact.media_type,
client_id=artifact.client_id,
video_tensor_uint8=artifact.video_tensor_uint8,
video_tensor_hdr=artifact.video_tensor_hdr,
hdr=artifact.hdr,
audio_tensor=artifact.audio_tensor,
audio_sampling_rate=artifact.audio_sampling_rate,
fps=artifact.fps,
flashvsr_continue_cache=artifact.flashvsr_continue_cache,
)
self._missing_output_since.pop(client_id, None)
self._logged_missing_output_client_ids.discard(client_id)
print(f"WanGP API completed client_id={client_id} via artifact path={resolved_output_path}")
payload = {"client_id": client_id, "path": resolved_output_path}
self._publish("output", payload, "on_output")
continue
if output_path is not None and client_id not in queue_client_ids:
if not queue_client_ids and self._gen.get("in_progress", False):
if client_id not in self._logged_missing_output_client_ids:
print(f"WanGP API delaying gallery completion for client_id={client_id} until main queue settles")
self._logged_missing_output_client_ids.add(client_id)
continue
self._outputs_by_client_id[client_id] = output_path
artifact = self._session._consume_output_artifact(client_id)
if artifact is not None:
self._artifacts_by_client_id[client_id] = GeneratedArtifact(
path=output_path,
media_type=artifact.media_type,
client_id=artifact.client_id,
video_tensor_uint8=artifact.video_tensor_uint8,
video_tensor_hdr=artifact.video_tensor_hdr,
hdr=artifact.hdr,
audio_tensor=artifact.audio_tensor,
audio_sampling_rate=artifact.audio_sampling_rate,
fps=artifact.fps,
flashvsr_continue_cache=artifact.flashvsr_continue_cache,
)
self._missing_output_since.pop(client_id, None)
self._logged_missing_output_client_ids.discard(client_id)
print(f"WanGP API completed client_id={client_id} via gallery path={output_path}")
payload = {"client_id": client_id, "path": output_path}
self._publish("output", payload, "on_output")
continue
if client_id in queue_client_ids:
self._missing_output_since.pop(client_id, None)
self._logged_missing_output_client_ids.discard(client_id)
continue
if client_id not in self._admitted_client_ids:
continue
started_missing_at = self._missing_output_since.setdefault(client_id, time.time())
if client_id not in self._logged_missing_output_client_ids:
print(f"WanGP API waiting for output client_id={client_id} queue_empty={not queue_client_ids} artifact_ready={pending_artifact is not None}")
self._logged_missing_output_client_ids.add(client_id)
if time.time() - started_missing_at >= self._MISSING_OUTPUT_TIMEOUT_SECONDS:
self._register_error(
client_id,
f"Generation finished queue processing but no output with client_id '{client_id}' was found in the gallery.",
stage="generation",
)
def _emit_live_updates(self, queue_client_ids: list[str], active_client_id: str) -> None:
if active_client_id != self._last_active_client_id:
self._last_active_client_id = active_client_id
self._last_progress_key = None
self._last_preview_key = None
self._last_status_text = ""
self._active_progress_seed = copy.deepcopy(self._gen.get("last_progress_args"))
live_generation_running = bool(self._gen.get("in_progress", False))
active_client_is_live = live_generation_running and active_client_id in self._client_ids and active_client_id not in self._outputs_by_client_id and active_client_id not in self._errors_by_client_id
if active_client_is_live:
self._live_started_client_ids.add(active_client_id)
progress_args = self._gen.get("last_progress_args")
progress_ready = progress_args != self._active_progress_seed
progress_update = self._session._build_progress_update(progress_args, include_state_fallback=False) if progress_ready else None
if progress_update is not None:
if len(progress_update.status) > 0 and progress_update.status != self._last_status_text:
self._last_status_text = progress_update.status
self._publish("status", progress_update.status, "on_status")
progress_key = (
active_client_id,
progress_update.phase,
progress_update.progress,
progress_update.current_step,
progress_update.total_steps,
progress_update.status,
progress_update.unit,
)
if progress_key != self._last_progress_key:
self._last_progress_key = progress_key
self._publish("progress", progress_update, "on_progress")
preview_image = self._gen.get("preview")
if preview_image is not None and progress_update is not None:
preview_key = (active_client_id, id(preview_image), getattr(preview_image, "size", None), progress_update.progress)
if preview_key != self._last_preview_key:
self._last_preview_key = preview_key
self._publish(
"preview",
PreviewUpdate(
image=preview_image,
phase=progress_update.phase,
status=progress_update.status,
progress=progress_update.progress,
current_step=progress_update.current_step,
total_steps=progress_update.total_steps,
),
"on_preview",
)
return
queued_client_ids = [
client_id for client_id in queue_client_ids
if client_id in self._client_ids and client_id not in self._outputs_by_client_id and client_id not in self._errors_by_client_id
]
if queued_client_ids and any(client_id not in self._live_started_client_ids for client_id in queued_client_ids):
status_text = "Waiting in WanGP queue..."
if status_text != self._last_status_text:
self._last_status_text = status_text
self._publish("status", status_text, "on_status")
def _check_queue_admission_timeout(self) -> None:
pending_client_ids = [
client_id
for client_id in self._client_ids
if client_id not in self._outputs_by_client_id and client_id not in self._errors_by_client_id and client_id not in self._admitted_client_ids
]
if not pending_client_ids:
self._queue_wait_suspended = False
return
if self._gen.get("in_progress", False) or list(self._gen.get("queue", []) or []):
self._submitted_at = time.time()
return
if self._submitted_at <= 0 or time.time() - self._submitted_at < self._QUEUE_ADMISSION_SUSPEND_NOTICE_SECONDS or self._queue_wait_suspended:
return
print("WanGP API queue suspended while waiting for Video Generator to get browser focus")
self._publish("status", "Waiting for WanGP Video Generator to get browser focus...", "on_status")
self._queue_wait_suspended = True
def _finalize_cancelled_clients(self, queue_client_ids: list[str]) -> None:
if not self._cancel_issued or self._cancel_requested_at is None:
return
if time.time() - self._cancel_requested_at < self._CANCEL_GRACE_SECONDS:
return
for client_id in self._client_ids:
if client_id in self._outputs_by_client_id or client_id in self._errors_by_client_id:
continue
if client_id in queue_client_ids or self._inline_queue_contains_client_id(client_id):
continue
self._register_error(client_id, "Generation was cancelled", stage="cancelled")
def _request_cancel(self) -> None:
dispatched_any = False
for client_id in self._client_ids:
if client_id in self._outputs_by_client_id or client_id in self._errors_by_client_id:
continue
if client_id in self._cancel_dispatched_client_ids:
continue
if self._remove_inline_queue_client_id(client_id):
self._cancel_dispatched_client_ids.add(client_id)
dispatched_any = True
continue
if client_id in self._admitted_client_ids:
self._queue_abort_client_id(client_id)
self._cancel_dispatched_client_ids.add(client_id)
dispatched_any = True
if dispatched_any:
self._cancel_issued = True
self._cancel_requested_at = time.time()
def _queue_abort_client_id(self, client_id: str) -> None:
owner = getattr(self._session, "_gradio_session_proxy", None)
enqueue = getattr(owner, "_enqueue_abort_client_id", None)
if not callable(enqueue) or not enqueue(self._job, client_id):
self._gen["abort"] = True
print("WanGP API set direct abort flag because the WebUI abort trigger was unavailable.")
def _remove_inline_queue_client_id(self, client_id: str) -> bool:
inline_queue = self._gen.get("inline_queue")
if inline_queue is None:
return False
def _matches(item: Any) -> bool:
if not isinstance(item, dict):
return False
params = item.get("params")
if isinstance(params, dict) and str(params.get("client_id", "") or "").strip() == client_id:
return True
return str(item.get("client_id", "") or "").strip() == client_id
if _matches(inline_queue):
self._gen.pop("inline_queue", None)
return True
if isinstance(inline_queue, list):
remaining = [item for item in inline_queue if not _matches(item)]
if len(remaining) != len(inline_queue):
if remaining:
self._gen["inline_queue"] = remaining
else:
self._gen.pop("inline_queue", None)
return True
return False
def _remove_queue_client_id(self, client_id: str) -> bool:
queue = self._gen.get("queue")
if not isinstance(queue, list):
return False
remaining = []
removed = False
for item in list(queue):
if self._inline_item_matches_client_id(item, client_id):
removed = True
continue
remaining.append(item)
if removed:
queue[:] = remaining
self._gen["queue"] = queue
return removed
def _inline_queue_contains_client_id(self, client_id: str) -> bool:
inline_queue = self._gen.get("inline_queue")
if inline_queue is None:
return False
if isinstance(inline_queue, list):
return any(self._inline_item_matches_client_id(item, client_id) for item in inline_queue)
return self._inline_item_matches_client_id(inline_queue, client_id)
@staticmethod
def _inline_item_matches_client_id(item: Any, client_id: str) -> bool:
if not isinstance(item, dict):
return False
params = item.get("params")
if isinstance(params, dict) and str(params.get("client_id", "") or "").strip() == client_id:
return True
return str(item.get("client_id", "") or "").strip() == client_id
@staticmethod
def _find_output_for_client(
client_id: str,
file_list: Sequence[Any],
file_settings_list: Sequence[Any],
audio_file_list: Sequence[Any],
audio_file_settings_list: Sequence[Any],
) -> str | None:
for paths, settings_list in ((file_list, file_settings_list), (audio_file_list, audio_file_settings_list)):
for path, settings in zip(reversed(list(paths or [])), reversed(list(settings_list or []))):
if not isinstance(settings, dict):
continue
if str(settings.get("client_id", "") or "").strip() == client_id:
return str(Path(path).resolve())
return None
def _register_error(self, client_id: str, message: str, *, stage: str) -> None:
if client_id in self._errors_by_client_id or client_id in self._outputs_by_client_id:
return
failure = GenerationError(
message=message,
task_index=self._task_index_by_client_id.get(client_id),
task_id=self._task_id_by_client_id.get(client_id),
stage=stage,
)
self._errors_by_client_id[client_id] = failure
self._publish("error", failure, "on_error")
def _publish(self, kind: str, payload: Any, callback_name: str | None = None) -> None:
self._job.events.put(kind, payload)
if callback_name is not None:
self._session._emit_callback(callback_name, payload, job=self._job)
def _all_clients_finished(self) -> bool:
completed_count = len(self._outputs_by_client_id) + len(self._errors_by_client_id)
return completed_count >= len(self._client_ids)
@staticmethod
def _build_manifest(tasks: Sequence[dict[str, Any]]) -> list[dict[str, Any]]:
manifest = []
for index, task in enumerate(tasks, start=1):
params = copy.deepcopy(WanGPSession._get_task_settings(task))
manifest.append({"id": task.get("id", index), "params": params, "plugin_data": copy.deepcopy(task.get("plugin_data", {}))})
return manifest
def run_webui_job(session, job: SessionJob, tasks: list[dict[str, Any]]) -> None:
try:
runtime = session._ensure_runtime()
job.events.put("started", {"tasks": len(tasks), "backend": "webui_queue"})
result = WebUIQueueProbe(session, runtime, tasks, job).run()
job.events.put("completed", result)
session._emit_callback("on_complete", result, job=job)
job._set_result(result)
except BaseException as exc:
failure = session._make_generation_error(exc, task_index=None, task_id=None, stage="runtime")
result = GenerationResult(
success=False,
generated_files=[],
errors=[failure],
total_tasks=len(tasks),
successful_tasks=0,
failed_tasks=max(1, len(tasks)),
artifacts=(),
)
job.events.put("error", failure)
session._emit_callback("on_error", failure, job=job)
job.events.put("completed", result)
session._emit_callback("on_complete", result, job=job)
job._set_result(result)
finally:
job.events.close()
with session._job_lock:
if session._active_job is job:
session._active_job = None
class GradioWanGPSession:
def __init__(self, *, init_fn, plugin=None, state_component: Any = None, session_kwargs: dict[str, Any] | None = None) -> None:
self._init_fn = init_fn
self._plugin = plugin
self._state_component = state_component
self._session_kwargs = dict(session_kwargs or {})
self._session_kwargs.setdefault("console_output", False)
self._session: WanGPSession | None = None
self._defer_load_queue_trigger = False
self._ui_local = threading.local()
self._wrapped_calls: dict[str, _WrappedCallState] = {}
self._wrapped_calls_lock = threading.Lock()
self._ui_call_component = None
@classmethod
def for_plugin(cls, plugin, *, init_fn, session_kwargs: dict[str, Any] | None = None):
plugin.request_component("state")
return cls(init_fn=init_fn, plugin=plugin, session_kwargs=session_kwargs)
def submit(self, source, callbacks: object | None = None) -> SessionJob:
session = self._ensure_session()
self._bind_gradio_context(session)
job = session.submit(source, callbacks=self._wrap_callbacks_for_current_call(callbacks))
self._capture_job_for_current_call(job)
return job
def submit_task(self, settings: dict[str, Any], callbacks: object | None = None) -> SessionJob:
session = self._ensure_session()
self._bind_gradio_context(session)
job = session.submit_task(settings, callbacks=self._wrap_callbacks_for_current_call(callbacks))
self._capture_job_for_current_call(job)
return job
def submit_manifest(self, settings_list: list[dict[str, Any]], callbacks: object | None = None) -> SessionJob:
session = self._ensure_session()
self._bind_gradio_context(session)
job = session.submit_manifest(settings_list, callbacks=self._wrap_callbacks_for_current_call(callbacks))
self._capture_job_for_current_call(job)
return job
def run(self, source, callbacks: object | None = None) -> GenerationResult:
session = self._ensure_session()
self._bind_gradio_context(session)
return session.run(source, callbacks=self._wrap_callbacks_for_current_call(callbacks))
def run_task(self, settings: dict[str, Any], callbacks: object | None = None) -> GenerationResult:
session = self._ensure_session()
self._bind_gradio_context(session)
return session.run_task(settings, callbacks=self._wrap_callbacks_for_current_call(callbacks))
def run_manifest(self, settings_list: list[dict[str, Any]], callbacks: object | None = None) -> GenerationResult:
session = self._ensure_session()
self._bind_gradio_context(session)
return session.run_manifest(settings_list, callbacks=self._wrap_callbacks_for_current_call(callbacks))
def ensure_ready(self):
self._ensure_session().ensure_ready()
return self
def close(self) -> None:
if self._session is None:
return
self._session.close()
self._session = None
def cancel(self) -> None:
if self._session is not None:
self._session.cancel()
@contextlib.contextmanager
def plugin_ui_context(self):
import gradio as gr
original_click = gr.Button.click
if self._ui_call_component is None:
self._ui_call_component = gr.State("")
@functools.wraps(original_click)
def patched_click(button, *args, **kwargs):
fn = kwargs.get("fn")
if fn is None and args:
fn = args[0]
if not callable(fn):
return original_click(button, *args, **kwargs)
if not self._callback_uses_api_session(fn):
return original_click(button, *args, **kwargs)
return self._wrap_button_click(original_click, button, *args, **kwargs)
gr.Button.click = patched_click
try:
yield
finally:
gr.Button.click = original_click
def __getattr__(self, name: str) -> Any:
if name.startswith("_"):
raise AttributeError(name)
return getattr(self._ensure_session(), name)
def _wrap_button_click(self, original_click, button, *args, **kwargs):
import gradio as gr
fn = kwargs.get("fn")
if fn is None and args:
fn = args[0]
inputs = kwargs.get("inputs")
if inputs is None and len(args) > 1:
inputs = args[1]
outputs = kwargs.get("outputs")
if outputs is None and len(args) > 2:
outputs = args[2]
original_outputs = self._normalize_outputs(outputs)
explicit_show_progress = kwargs.get("show_progress") if "show_progress" in kwargs else None
explicit_progress_targets = self._normalize_outputs(kwargs.get("show_progress_on")) if "show_progress_on" in kwargs else None
load_queue_trigger = self._resolve_main_bridge_component("wangp_main_load_queue_trigger")
abort_client_id = self._resolve_main_bridge_component("wangp_main_abort_client_id")
call_state = self._ui_call_component
wrapped_start = self._make_wrapped_click_start(fn, len(original_outputs))
kwargs["fn"] = wrapped_start
kwargs["outputs"] = [*original_outputs, load_queue_trigger, abort_client_id, call_state]
kwargs["show_progress"] = "hidden"
args = ()
dependency = original_click(button, *args, **kwargs)
wait_outputs = [*original_outputs, load_queue_trigger, abort_client_id, call_state]
progress_targets = explicit_progress_targets if explicit_progress_targets is not None else [component for component in original_outputs if hasattr(component, "_id")]
def wait_wrapped_call(call_id):
yield from self._wait_wrapped_call(call_id, len(original_outputs))
then_kwargs = {"fn": wait_wrapped_call, "inputs": [call_state], "outputs": wait_outputs, "show_progress": explicit_show_progress or "full"}
if progress_targets is not None and len(progress_targets) > 0:
then_kwargs["show_progress_on"] = progress_targets
dependency.then(
**then_kwargs,
)
return dependency
def _make_wrapped_click_start(self, fn, output_count: int):
import gradio as gr
@functools.wraps(fn)
def wrapped(*args, **kwargs):
call_id = str(time.time_ns())
state = _WrappedCallState(output_count)
self._remember_wrapped_call(call_id, state)
bound_state = self._resolve_state()
bound_context = self._capture_current_gradio_context()
state.set_callback_context(bound_context)
worker = threading.Thread(target=self._run_wrapped_click_worker, args=(call_id, fn, args, kwargs, bound_state, bound_context), daemon=True, name="wangp-plugin-click")
worker.start()
deadline = time.time() + 0.5
while time.time() < deadline:
yielded_result = state.pop_yielded_result()
if yielded_result is not _NO_YIELDED_RESULT:
return [*self._normalize_callback_result(yielded_result, output_count), gr.skip(), gr.skip(), call_id]
load_queue_token = state.pop_primary_load_queue_token()
if load_queue_token:
return [*self._blank_outputs(output_count), load_queue_token, gr.skip(), call_id]
if state.job is not None:
state.job._webui_submission_ready.wait(timeout=0.05)
if state.done.wait(timeout=0.05):
if state.error is not None:
self._forget_wrapped_call(call_id)
raise self._as_gradio_error(state.error)
yielded_result = state.pop_yielded_result()
if yielded_result is not _NO_YIELDED_RESULT:
return [*self._normalize_callback_result(yielded_result, output_count), gr.skip(), gr.skip(), call_id]
if not state.has_result:
self._forget_wrapped_call(call_id)
return [*self._blank_outputs(output_count), gr.skip(), gr.skip(), ""]
self._forget_wrapped_call(call_id)
return [*self._normalize_callback_result(state.result, output_count), gr.skip(), gr.skip(), ""]
if state.job is not None:
if not state.job._webui_submission_ready.wait(timeout=5):
self._forget_wrapped_call(call_id)
raise gr.Error("WanGP WebUI submission did not become ready in time.")
load_queue_token = state.pop_primary_load_queue_token()
if load_queue_token:
return [*self._blank_outputs(output_count), load_queue_token, gr.skip(), call_id]
state.done.wait()
if state.error is not None:
self._forget_wrapped_call(call_id)
raise self._as_gradio_error(state.error)
yielded_result = state.pop_yielded_result()
if yielded_result is not _NO_YIELDED_RESULT:
return [*self._normalize_callback_result(yielded_result, output_count), gr.skip(), gr.skip(), call_id]
if not state.has_result:
self._forget_wrapped_call(call_id)
return [*self._blank_outputs(output_count), gr.skip(), gr.skip(), ""]
self._forget_wrapped_call(call_id)
return [*self._normalize_callback_result(state.result, output_count), gr.skip(), gr.skip(), ""]
wrapped.__signature__ = inspect.signature(fn)
return wrapped
def _wait_wrapped_call(self, call_id: str, output_count: int):
import gradio as gr
call_id = str(call_id or "").strip()
if len(call_id) == 0:
yield [*self._blank_outputs(output_count), gr.skip(), gr.skip(), ""]
return
state = self._get_wrapped_call(call_id)
if state is None:
yield [*self._blank_outputs(output_count), gr.skip(), gr.skip(), ""]
return
try:
state.set_callback_context(self._capture_progress_callback_context())
self._flush_buffered_log_messages(state)
while True:
self._flush_buffered_log_messages(state)
load_queue_token = state.pop_primary_load_queue_token()
if load_queue_token:
yield [*self._blank_outputs(output_count), load_queue_token, gr.skip(), call_id]
continue
load_queue_token = state.pop_ready_followup_load_queue_token()
if load_queue_token:
print(f"WanGP API forwarding follow-up load_queue_trigger token={load_queue_token}")
yield [*self._blank_outputs(output_count), load_queue_token, gr.skip(), call_id]
continue
abort_client_id = state.pop_abort_client_id()
if abort_client_id:
print(f"WanGP API forwarding abort_client_id={abort_client_id}")
yield [*self._blank_outputs(output_count), gr.skip(), abort_client_id, call_id]
continue
yielded_result = state.pop_yielded_result()
if yielded_result is not _NO_YIELDED_RESULT:
yield [*self._normalize_callback_result(yielded_result, output_count), gr.skip(), gr.skip(), call_id]
continue
if state.done.is_set():
if state.error is not None:
raise self._as_gradio_error(state.error)
if state.has_result:
yield [*self._normalize_callback_result(state.result, output_count), gr.skip(), gr.skip(), ""]
else:
yield [*self._blank_outputs(output_count), gr.skip(), gr.skip(), ""]
break
time.sleep(0.05)
finally:
self._forget_wrapped_call(call_id)
@staticmethod
def _flush_buffered_log_messages(state: _WrappedCallState) -> None:
context = state.callback_context
if not isinstance(context, dict):
return
blocks = context.get("blocks")
event_id = context.get("event_id")
if blocks is None or event_id is None:
return
for message in state.pop_log_messages():
blocks._queue.log_message(event_id=event_id, **message)
def _run_wrapped_click_worker(self, call_id: str, fn, args, kwargs, bound_state: dict[str, Any], bound_context: dict[str, Any]) -> None:
state = self._get_wrapped_call(call_id)
if state is None:
return
_ensure_gradio_log_message_patch()
self._ui_local.call_id = call_id
self._ui_local.defer_load_queue_trigger = True
self._ui_local.bound_state = bound_state
_WRAPPED_LOG_LOCAL.owner = self
_WRAPPED_LOG_LOCAL.call_id = call_id
try:
exec_context = dict(bound_context)
if isinstance(state.callback_context, dict):
exec_context.update(state.callback_context)
self._ui_local.bound_gradio_context = exec_context
with self._push_callback_context(exec_context):
result = fn(*args, **kwargs)
if inspect.isgenerator(result):
iterator = iter(result)
while True:
try:
state.push_yielded_result(next(iterator))
except StopIteration as stop:
if stop.value is not None:
state.set_result(stop.value)
else:
state.set_completed()
break
else:
state.set_result(result)
except BaseException as exc:
state.set_error(exc)
finally:
_WRAPPED_LOG_LOCAL.owner = None
_WRAPPED_LOG_LOCAL.call_id = ""
self._ui_local.call_id = ""
self._ui_local.defer_load_queue_trigger = False
self._ui_local.bound_state = None
self._ui_local.bound_gradio_context = None
def _capture_job_for_current_call(self, job: SessionJob) -> None:
call_id = str(getattr(self._ui_local, "call_id", "") or "").strip()
if len(call_id) == 0:
return
job._bind_webui_owner_call(call_id)
state = self._get_wrapped_call(call_id)
if state is not None:
if state.job is None:
state.job = job
else:
state.add_followup_job(job)
def _capture_cancelled_job(self, job: SessionJob) -> None:
return
def _enqueue_abort_client_id(self, job: SessionJob, client_id: str) -> bool:
call_id = str(getattr(job, "webui_owner_call_id", "") or getattr(self._ui_local, "call_id", "") or "").strip()
if len(call_id) == 0:
return False
state = self._get_wrapped_call(call_id)
if state is None:
return False
state.queue_abort_client_id(client_id)
return True
def _remember_wrapped_call(self, call_id: str, state: _WrappedCallState) -> None:
with self._wrapped_calls_lock:
self._wrapped_calls[call_id] = state
def _get_wrapped_call(self, call_id: str) -> _WrappedCallState | None:
with self._wrapped_calls_lock:
return self._wrapped_calls.get(call_id)
def _forget_wrapped_call(self, call_id: str) -> None:
with self._wrapped_calls_lock:
self._wrapped_calls.pop(call_id, None)
def _callback_uses_api_session(self, fn) -> bool:
candidates: list[Any] = []
try:
closure_vars = inspect.getclosurevars(fn)
except Exception:
closure_vars = None
if closure_vars is not None:
candidates.extend(closure_vars.nonlocals.values())
candidates.extend(closure_vars.globals.values())
for values in (getattr(fn, "__defaults__", None) or (), (getattr(fn, "__kwdefaults__", None) or {}).values()):
candidates.extend(values)
for cell in getattr(fn, "__closure__", ()) or ():
try:
candidates.append(cell.cell_contents)
except ValueError:
continue
for candidate in candidates:
if candidate is self or candidate is self._session:
return True
if isinstance(candidate, (GradioWanGPSession, WanGPSession)):
return True
if inspect.ismethod(candidate) and candidate.__self__ in (self, self._session):
return True
return False
def _wrap_callbacks_for_current_call(self, callbacks: object | None) -> object | None:
if callbacks is None:
return None
call_id = str(getattr(self._ui_local, "call_id", "") or "").strip()
if len(call_id) == 0:
return callbacks
state = self._get_wrapped_call(call_id)
if state is None:
return callbacks
if isinstance(callbacks, _BoundGradioCallbacks):
return callbacks
return _BoundGradioCallbacks(callbacks, state, self)
@staticmethod
def _normalize_outputs(outputs: Any) -> list[Any]:
if outputs is None:
return []
if isinstance(outputs, (list, tuple)):
return list(outputs)
return [outputs]
@staticmethod
def _blank_outputs(output_count: int) -> list[Any]:
import gradio as gr
return [gr.skip()] * output_count
@staticmethod
def _normalize_callback_result(result: Any, output_count: int) -> list[Any]:
import gradio as gr
if output_count <= 0:
return []
if output_count == 1:
return [result]
if isinstance(result, tuple):
normalized = list(result)
elif isinstance(result, list):
normalized = list(result)
else:
normalized = [result]
if len(normalized) < output_count:
normalized.extend([gr.skip()] * (output_count - len(normalized)))
return normalized[:output_count]
@staticmethod
def _as_gradio_error(error: BaseException):
import gradio as gr
return error if isinstance(error, gr.Error) else gr.Error(str(error))
def _ensure_session(self) -> WanGPSession:
state = self._resolve_state()
if self._session is None or self._session._state is not state:
session_kwargs = copy.deepcopy(self._session_kwargs)
session_kwargs["webui_state"] = state
self._session = WanGPSession(**session_kwargs)
self._session._gradio_session_proxy = self
return self._session
def _resolve_state(self) -> dict[str, Any]:
bound_state = getattr(self._ui_local, "bound_state", None)
if isinstance(bound_state, dict):
return bound_state
component = self._state_component
if component is None and self._plugin is not None:
component = getattr(self._plugin, "state", None)
state = self._resolve_live_session_state(component)
if not isinstance(state, dict):
state = getattr(component, "value", None) if component is not None else None
if not isinstance(state, dict):
raise RuntimeError("WanGP WebUI session requires access to the live Gradio state component.")
return state
@staticmethod
def _resolve_live_session_state(component: Any) -> dict[str, Any] | None:
component_id = getattr(component, "_id", None)
if component_id is None:
return None
try:
from gradio.context import LocalContext
except Exception:
return None
try:
blocks = LocalContext.blocks.get(None)
request = LocalContext.request.get(None)
except LookupError:
return None
session_hash = getattr(request, "session_hash", None) if request is not None else None
state_holder = getattr(blocks, "state_holder", None) if blocks is not None else None
if not session_hash or state_holder is None:
return None
try:
session_state = state_holder[session_hash]
state = session_state[component_id]
except Exception:
return None
return state if isinstance(state, dict) else None
def _bind_gradio_context(self, session: WanGPSession) -> None:
bound_context = getattr(self._ui_local, "bound_gradio_context", None)
if isinstance(bound_context, dict):
session._gradio_webui_context = dict(bound_context)
session._gradio_webui_context["defer_load_queue_trigger"] = self._defer_load_queue_trigger or bool(getattr(self._ui_local, "defer_load_queue_trigger", False))
return
try:
from gradio.context import LocalContext
except Exception:
raise RuntimeError("WanGP WebUI session requires an active Gradio callback context.")
try:
blocks = LocalContext.blocks.get(None)
request_wrapper = LocalContext.request.get(None)
except LookupError as exc:
raise RuntimeError("WanGP WebUI session requires an active Gradio callback context.") from exc
session_hash = getattr(request_wrapper, "session_hash", None) if request_wrapper is not None else None
request = getattr(request_wrapper, "request", request_wrapper)
if blocks is None or request is None or not session_hash:
raise RuntimeError("WanGP WebUI session requires a live Gradio request with a session hash.")
session._gradio_webui_context = {
"blocks": blocks,
"request": request,
"session_hash": session_hash,
"load_queue_fn_index": self._resolve_trigger_fn_index(blocks, session_hash, "load_queue_action", "change"),
"abort_fn_index": self._resolve_abort_fn_index(blocks, session_hash),
"defer_load_queue_trigger": self._defer_load_queue_trigger or bool(getattr(self._ui_local, "defer_load_queue_trigger", False)),
}
def _set_defer_load_queue_trigger(self, value: bool) -> None:
self._defer_load_queue_trigger = bool(value)
def _capture_current_gradio_context(self) -> dict[str, Any]:
try:
from gradio.context import LocalContext
except Exception:
raise RuntimeError("WanGP WebUI session requires an active Gradio callback context.")
try:
blocks = LocalContext.blocks.get(None)
blocks_config = LocalContext.blocks_config.get(None)
renderable = LocalContext.renderable.get(None)
render_block = LocalContext.render_block.get(None)
in_event_listener = LocalContext.in_event_listener.get(False)
event_id = LocalContext.event_id.get(None)
request_wrapper = LocalContext.request.get(None)
progress = LocalContext.progress.get(None)
except LookupError as exc:
raise RuntimeError("WanGP WebUI session requires an active Gradio callback context.") from exc
session_hash = getattr(request_wrapper, "session_hash", None) if request_wrapper is not None else None
request = getattr(request_wrapper, "request", request_wrapper)
if blocks is None or request is None or not session_hash:
raise RuntimeError("WanGP WebUI session requires a live Gradio request with a session hash.")
return {
"blocks": blocks,
"blocks_config": blocks_config,
"renderable": renderable,
"render_block": render_block,
"in_event_listener": in_event_listener,
"event_id": event_id,
"request": request,
"progress": progress,
"session_hash": session_hash,
"load_queue_fn_index": self._resolve_trigger_fn_index(blocks, session_hash, "load_queue_action", "change"),
"abort_fn_index": self._resolve_abort_fn_index(blocks, session_hash),
"defer_load_queue_trigger": self._defer_load_queue_trigger or bool(getattr(self._ui_local, "defer_load_queue_trigger", False)),
}
@staticmethod
def _capture_progress_callback_context() -> dict[str, Any]:
try:
from gradio.context import LocalContext
except Exception as exc:
raise RuntimeError("WanGP progress callbacks require an active Gradio callback context.") from exc
return {
"blocks": LocalContext.blocks.get(None),
"blocks_config": LocalContext.blocks_config.get(None),
"renderable": LocalContext.renderable.get(None),
"render_block": LocalContext.render_block.get(None),
"in_event_listener": LocalContext.in_event_listener.get(False),
"event_id": LocalContext.event_id.get(None),
"request": LocalContext.request.get(None),
"progress": LocalContext.progress.get(None),
}
@staticmethod
@contextlib.contextmanager
def _push_callback_context(context: dict[str, Any]):
try:
from gradio.context import LocalContext
except Exception:
yield
return
tokens = []
mapping = {
LocalContext.blocks: context.get("blocks"),
LocalContext.blocks_config: context.get("blocks_config"),
LocalContext.renderable: context.get("renderable"),
LocalContext.render_block: context.get("render_block"),
LocalContext.in_event_listener: context.get("in_event_listener", False),
LocalContext.event_id: context.get("event_id"),
LocalContext.request: context.get("request"),
LocalContext.progress: context.get("progress"),
}
try:
for var, value in mapping.items():
tokens.append((var, var.set(value)))
yield
finally:
for var, token in reversed(tokens):
var.reset(token)
@staticmethod
def _resolve_main_bridge_component(elem_id: str):
try:
from gradio.context import Context, get_blocks_context
except Exception as exc:
raise RuntimeError(f"WanGP WebUI bridge component '{elem_id}' is unavailable outside the Gradio build context.") from exc
blocks_context = get_blocks_context()
if blocks_context is None and getattr(Context, "root_block", None) is not None:
blocks_context = Context.root_block.default_config
blocks = getattr(blocks_context, "blocks", None)
if not isinstance(blocks, dict):
raise RuntimeError(f"WanGP WebUI bridge component '{elem_id}' was not found in the current Blocks tree.")
for component in blocks.values():
if getattr(component, "elem_id", None) == elem_id:
return component
raise RuntimeError(f"WanGP WebUI bridge component '{elem_id}' could not be resolved.")
@staticmethod
def _resolve_trigger_fn_index(blocks, session_hash: str, api_name: str, event_name: str) -> int:
session_state = blocks.state_holder[session_hash]
for block_fn in session_state.blocks_config.fns.values():
targets = getattr(block_fn, "targets", ()) or ()
if getattr(block_fn, "api_name", None) == api_name and any(target[1] == event_name for target in targets):
return int(getattr(block_fn, "_id"))
raise RuntimeError(f"WanGP WebUI trigger '{api_name}' was not found.")
@staticmethod
def _resolve_abort_fn_index(blocks, session_hash: str) -> int:
session_state = blocks.state_holder[session_hash]
for block_fn in session_state.blocks_config.fns.values():
targets = getattr(block_fn, "targets", ()) or ()
api_name = str(getattr(block_fn, "api_name", "") or "")
if api_name.startswith("abort_generation") and any(target[1] == "change" for target in targets):
return int(getattr(block_fn, "_id"))
raise RuntimeError("WanGP WebUI abort trigger was not found.")
def create_gradio_webui_session(plugin, *, init_fn, session_kwargs: dict[str, Any] | None = None) -> GradioWanGPSession:
return GradioWanGPSession.for_plugin(plugin, init_fn=init_fn, session_kwargs=session_kwargs)
def create_gradio_progress_callbacks(progress) -> GradioProgressCallbacks:
return GradioProgressCallbacks(progress)
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