mirror of
https://github.com/willmiao/ComfyUI-Lora-Manager.git
synced 2026-09-21 11:11:26 -03:00
Will Miao
104 lines
3.4 KiB
Python
104 lines
3.4 KiB
Python
"""Shared download routing logic.
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Decides whether a download initiated from the checkpoint library should be
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routed to the unet/diffusion-model roots instead of the checkpoint roots.
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Used by both the download manager (at download time) and the download
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routing HTTP endpoint (when the user picks a location in the UI), so the
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two can never disagree.
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"""
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from __future__ import annotations
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import logging
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from typing import Iterable, Optional
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from ..utils.constants import (
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CIVITAI_FILE_TYPE_TO_OTHER_SUB_TYPE,
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CIVITAI_TYPE_TO_OTHER_SUB_TYPE,
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DIFFUSION_MODEL_BASE_MODELS,
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)
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logger = logging.getLogger(__name__)
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# File types reported by the CivitAI API that indicate a raw diffusion
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# model (loaded via UNETLoader in ComfyUI) rather than a full checkpoint.
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DIFFUSION_FILE_TYPES = frozenset({"UNet", "Diffusion Model"})
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def is_diffusion_model_download(
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model_type: str,
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file_types: Iterable[str] = (),
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base_model: str = "",
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) -> bool:
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"""Return True when a download should be routed to the unet roots.
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Only applies to downloads initiated from the checkpoint library.
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Priority: (1) any file has type "UNet" or "Diffusion Model" (the more
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direct signal from CivitAI), (2) baseModel is a known diffusion model.
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"""
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if model_type != "checkpoint":
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return False
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for file_type in file_types:
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if file_type in DIFFUSION_FILE_TYPES:
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logger.info(
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"File type '%s' detected, routing checkpoint to unet folder",
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file_type,
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)
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return True
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if base_model in DIFFUSION_MODEL_BASE_MODELS:
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logger.info(
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"baseModel '%s' is a known diffusion model, routing to unet folder",
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base_model,
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)
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return True
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return False
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def resolve_other_download_sub_type(
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civitai_model_type: str,
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file_types: Iterable[str] = (),
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selected_file_type: Optional[str] = None,
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) -> Optional[str]:
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"""Resolve the "other"-page sub_type for a download.
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Fixed priority (locked design, docs/plans/other-models-page.md §9.2):
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1. Explicit user file pick — when the picked file's type maps, it wins
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even when model.type maps to something else.
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2. model.type via CIVITAI_TYPE_TO_OTHER_SUB_TYPE.
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3. file.type fallback — only when model.type maps to nothing. Must NOT
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override a mapped model.type: checkpoint models routinely bundle
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VAE/Text Encoder component files.
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4. Still undecidable -> None (caller must ask the user for a folder).
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"""
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if selected_file_type:
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mapped = CIVITAI_FILE_TYPE_TO_OTHER_SUB_TYPE.get(selected_file_type)
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if mapped:
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logger.info(
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"Explicit file pick type '%s' routes other download to '%s'",
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selected_file_type,
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mapped,
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)
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return mapped
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normalized_model_type = (civitai_model_type or "").strip().lower()
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mapped = CIVITAI_TYPE_TO_OTHER_SUB_TYPE.get(normalized_model_type)
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if mapped:
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return mapped
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for file_type in file_types:
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mapped = CIVITAI_FILE_TYPE_TO_OTHER_SUB_TYPE.get(file_type)
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if mapped:
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logger.info(
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"model.type '%s' unmapped; file type '%s' routes other download to '%s'",
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civitai_model_type,
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file_type,
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mapped,
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)
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return mapped
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return None
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