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[MM] Add support for probing and loading SDXL VAE checkpoint files (#6524)

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* add support for probing and loading SDXL VAE checkpoint files

* broaden regexp probe for SDXL VAEs

---------

Co-authored-by: Lincoln Stein <lstein@gmail.com>
This commit is contained in:
Lincoln Stein
2024-06-19 22:57:27 -04:00
committed by GitHub
parent a43d602f16
commit b03073d888
2 changed files with 13 additions and 10 deletions
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12
invokeai/backend/model_manager/probe.py
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@ -451,8 +451,16 @@ class PipelineCheckpointProbe(CheckpointProbeBase):
class VaeCheckpointProbe(CheckpointProbeBase):
def get_base_type(self) -> BaseModelType:
# I can't find any standalone 2.X VAEs to test with!
return BaseModelType.StableDiffusion1
# VAEs of all base types have the same structure, so we wimp out and
# guess using the name.
for regexp, basetype in [
(r"xl", BaseModelType.StableDiffusionXL),
(r"sd2", BaseModelType.StableDiffusion2),
(r"vae", BaseModelType.StableDiffusion1),
]:
if re.search(regexp, self.model_path.name, re.IGNORECASE):
return basetype
raise InvalidModelConfigException("Cannot determine base type")
class LoRACheckpointProbe(CheckpointProbeBase):