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ed37502 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 | """Local worker that processes generation jobs through ComfyUI.
The local worker takes a generation job, builds a ComfyUI workflow,
submits it to the local ComfyUI instance, waits for completion,
downloads the result, saves it to the output directory, and records
metadata in the catalog.
"""
from __future__ import annotations
import logging
import time
import uuid
from typing import Any
from content_engine.config import settings
from content_engine.services.catalog import CatalogService
from content_engine.services.comfyui_client import ComfyUIClient
from content_engine.services.template_engine import TemplateEngine
from content_engine.services.workflow_builder import WorkflowBuilder
logger = logging.getLogger(__name__)
class LocalWorker:
"""Processes generation jobs on the local GPU via ComfyUI."""
def __init__(
self,
comfyui_client: ComfyUIClient,
workflow_builder: WorkflowBuilder,
template_engine: TemplateEngine,
catalog: CatalogService,
):
self.comfyui = comfyui_client
self.workflow_builder = workflow_builder
self.template_engine = template_engine
self.catalog = catalog
async def process_job(
self,
*,
job_id: str | None = None,
batch_id: str | None = None,
character_id: str | None = None,
template_id: str | None = None,
content_rating: str = "sfw",
positive_prompt: str | None = None,
negative_prompt: str | None = None,
checkpoint: str | None = None,
loras: list[dict[str, Any]] | None = None,
seed: int = -1,
steps: int | None = None,
cfg: float | None = None,
sampler: str | None = None,
scheduler: str | None = None,
width: int | None = None,
height: int | None = None,
variables: dict[str, str] | None = None,
denoise: float | None = None,
reference_image: str | None = None,
) -> str:
"""Process a single generation job. Returns the catalog image ID."""
job_id = job_id or str(uuid.uuid4())
gen = settings.generation
# Resolve prompt from template if template_id provided
rendered_loras = loras or []
if template_id and self.template_engine:
rendered = self.template_engine.render(template_id, variables or {})
if not positive_prompt:
positive_prompt = rendered.positive_prompt
if not negative_prompt:
negative_prompt = rendered.negative_prompt
if not rendered_loras:
rendered_loras = rendered.loras
# Apply defaults
checkpoint = checkpoint or gen.default_checkpoint
steps = steps or gen.default_steps
cfg = cfg or gen.default_cfg
sampler = sampler or gen.default_sampler
scheduler = scheduler or gen.default_scheduler
width = width or gen.default_width
height = height or gen.default_height
# Build filename
short_id = job_id[:8]
seed_val = seed if seed >= 0 else 0
char_prefix = character_id or "gen"
tmpl_prefix = template_id or "direct"
filename_prefix = f"{char_prefix}_{tmpl_prefix}_{short_id}_{seed_val}"
# Select workflow template based on content rating and mode
if reference_image:
workflow_template = f"sd15_img2img_{content_rating}"
else:
workflow_template = f"sd15_base_{content_rating}"
# Build ComfyUI workflow
workflow = self.workflow_builder.build(
template_name=workflow_template,
checkpoint=checkpoint,
positive_prompt=positive_prompt or "",
negative_prompt=negative_prompt or "",
loras=rendered_loras,
seed=seed,
steps=steps,
cfg=cfg,
sampler_name=sampler,
scheduler=scheduler,
width=width,
height=height,
filename_prefix=filename_prefix,
denoise=denoise,
reference_image=reference_image,
)
# Submit to ComfyUI and wait
logger.info("Submitting job %s to ComfyUI", job_id)
start_time = time.time()
result = await self.comfyui.generate(workflow)
generation_time = time.time() - start_time
logger.info(
"Job %s completed in %.1fs, %d images",
job_id,
generation_time,
len(result.images),
)
# Download and save each output image
image_id = None
for img_output in result.images:
image_bytes = await self.comfyui.download_image(img_output)
# Resolve output path
output_path = self.catalog.resolve_output_path(
character_id=character_id or "uncategorized",
content_rating=content_rating,
filename=img_output.filename,
)
# Save to disk
output_path.write_bytes(image_bytes)
logger.info("Saved image to %s", output_path)
# Record in catalog
image_id = await self.catalog.insert_image(
file_path=str(output_path),
image_bytes=image_bytes,
character_id=character_id,
template_id=template_id,
content_rating=content_rating,
batch_id=batch_id,
positive_prompt=positive_prompt,
negative_prompt=negative_prompt,
checkpoint=checkpoint,
loras=rendered_loras,
seed=seed,
steps=steps,
cfg=cfg,
sampler=sampler,
scheduler=scheduler,
width=width,
height=height,
generation_backend="local",
comfyui_prompt_id=result.prompt_id,
generation_time_seconds=generation_time,
variables=variables,
)
return image_id or ""
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