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import inspect
import sys
import threading
import time
from typing import Any
from shared.api import GenerationError, GenerationResult, SessionJob, _GENERATION_LOCK, _OutputCapture, _pushd
from shared.utils.thread_utils import AsyncStream
def run_cli_job(session, job: SessionJob, tasks: list[dict[str, Any]]) -> None:
stream = AsyncStream()
gen = session._state["gen"]
worker_done = threading.Event()
base_file_count = len(gen["file_list"])
base_audio_count = len(gen["audio_file_list"])
total_tasks = len(tasks)
runtime = None
task_summary: dict[str, Any] = {
"errors": [],
"successful_tasks": 0,
"failed_tasks": 0,
"total_tasks": total_tasks,
}
try:
runtime = session._ensure_runtime()
with _GENERATION_LOCK, _pushd(runtime.root):
session._configure_runtime(runtime)
session._prepare_state_for_run(tasks)
job.events.put("started", {"tasks": len(tasks)})
def worker() -> None:
stdout_capture = _OutputCapture(
"stdout",
lambda stream_name, line: session._emit_stream(job, stream_name, line),
console=sys.__stdout__ if session._console_output else None,
console_isatty=session._console_isatty,
)
stderr_capture = _OutputCapture(
"stderr",
lambda stream_name, line: session._emit_stream(job, stream_name, line),
console=sys.__stderr__ if session._console_output else None,
console_isatty=session._console_isatty,
)
try:
with contextlib.redirect_stdout(stdout_capture), contextlib.redirect_stderr(stderr_capture):
_run_tasks_worker(session, runtime.module, tasks, stream, job, task_summary)
except BaseException as exc:
failure = session._make_generation_error(exc, task_index=None, task_id=None, stage="runtime")
task_summary["errors"].append(failure)
stream.output_queue.push("error", failure)
finally:
stdout_capture.flush()
stderr_capture.flush()
stream.output_queue.push("worker_exit", None)
worker_done.set()
worker_thread = threading.Thread(target=worker, daemon=True, name="wangp-session-worker")
worker_thread.start()
while True:
if job.cancel_requested:
session._request_cancel_unlocked(runtime.module)
item = stream.output_queue.pop()
if item is None:
if worker_done.is_set() and not worker_thread.is_alive():
break
time.sleep(0.01)
continue
command, data = item
if command == "worker_exit":
break
_handle_command(session, job, runtime.module, tasks, command, data)
worker_thread.join(timeout=0.1)
outputs = session._collect_outputs(base_file_count, base_audio_count)
artifacts = session._consume_output_artifacts(tasks)
if job.cancel_requested and not task_summary["errors"]:
task_summary["errors"].append(GenerationError(message="Generation was cancelled", stage="cancelled"))
task_summary["failed_tasks"] = max(task_summary["failed_tasks"], 1)
result = GenerationResult(
success=not task_summary["errors"],
generated_files=outputs,
errors=list(task_summary["errors"]),
total_tasks=task_summary["total_tasks"],
successful_tasks=task_summary["successful_tasks"],
failed_tasks=task_summary["failed_tasks"],
artifacts=artifacts,
)
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=total_tasks,
successful_tasks=task_summary["successful_tasks"],
failed_tasks=max(task_summary["failed_tasks"], 1 if total_tasks > 0 else 0),
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()
if runtime is not None:
session._reset_state_after_run()
with session._job_lock:
if session._active_job is job:
session._active_job = None
def _run_tasks_worker(session, wgp, tasks: list[dict[str, Any]], stream: AsyncStream, job: SessionJob, task_summary: dict[str, Any]) -> None:
expected_args = set(inspect.signature(wgp.generate_video).parameters.keys())
total_tasks = len(tasks)
for task_index, task in enumerate(tasks, start=1):
if job.cancel_requested:
break
session._state["gen"]["prompt_no"] = task_index
session._state["gen"]["prompts_max"] = total_tasks
session._state["gen"]["queue"] = tasks
task_id = task.get("id")
task_errors: list[GenerationError] = []
def send_cmd(command: str, data: Any = None) -> None:
if command == "error":
failure = session._make_generation_error(data, task_index=task_index, task_id=task_id, stage="generation")
task_errors.append(failure)
stream.output_queue.push("error", failure)
return
stream.output_queue.push(command, data)
validated_settings, validation_error = wgp.validate_task(task, session._state)
if validated_settings is None:
failure = GenerationError(
message=validation_error or f"Task {task_index} failed validation",
task_index=task_index,
task_id=task_id,
stage="validation",
)
task_summary["errors"].append(failure)
task_summary["failed_tasks"] += 1
stream.output_queue.push("error", failure)
continue
task_settings = validated_settings.copy()
task_settings["state"] = session._state
filtered_params = {key: value for key, value in task_settings.items() if key in expected_args}
plugin_data = task.get("plugin_data", {})
try:
success = wgp.generate_video(task, send_cmd, plugin_data=plugin_data, **filtered_params)
except BaseException as exc:
if not task_errors:
task_errors.append(session._make_generation_error(exc, task_index=task_index, task_id=task_id, stage="generation"))
stream.output_queue.push("error", task_errors[-1])
success = False
if session._state["gen"].get("abort", False) or job.cancel_requested:
task_errors.append(GenerationError(message="Generation was cancelled", task_index=task_index, task_id=task_id, stage="cancelled"))
stream.output_queue.push("error", task_errors[-1])
task_summary["errors"].extend(task_errors)
task_summary["failed_tasks"] += 1
break
if task_errors:
task_summary["errors"].extend(task_errors)
task_summary["failed_tasks"] += 1
continue
if not success:
failure = GenerationError(
message=f"Task {task_index} did not complete successfully",
task_index=task_index,
task_id=task_id,
stage="generation",
)
task_summary["errors"].append(failure)
task_summary["failed_tasks"] += 1
stream.output_queue.push("error", failure)
continue
task_summary["successful_tasks"] += 1
def _handle_command(session, job: SessionJob, wgp, tasks: list[dict[str, Any]], command: str, data: Any) -> None:
if command == "progress":
progress = session._build_progress_update(data)
job.events.put("progress", progress)
session._emit_callback("on_progress", progress, job=job)
return
if command == "preview":
preview = session._build_preview_update(wgp, tasks, data)
if preview is not None:
job.events.put("preview", preview)
session._emit_callback("on_preview", preview, job=job)
return
if command == "status":
text = str(data or "")
job.events.put("status", text)
session._emit_callback("on_status", text, job=job)
return
if command == "info":
text = str(data or "")
job.events.put("info", text)
session._emit_callback("on_info", text, job=job)
return
if command == "output":
job.events.put("output", data)
session._emit_callback("on_output", data, job=job)
return
if command == "refresh_models":
job.events.put("refresh_models", data)
return
if command == "error":
error = data if isinstance(data, GenerationError) else session._make_generation_error(data)
job.events.put("error", error)
session._emit_callback("on_error", error, job=job)
return
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