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feat(diffusers): allow multiple lora adapters (#4081)

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Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
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Ettore Di Giacinto 2024-11-05 15:14:33 +01:00 • committed by GitHub
parent 20cd8814c1
commit 947224b952
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4 changed files with 39 additions and 18 deletions
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16
backend/python/diffusers/backend.py
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@ -311,10 +311,24 @@ class BackendServicer(backend_pb2_grpc.BackendServicer):
if request.LoraAdapter:
# Check if its a local file and not a directory ( we load lora differently for a safetensor file )
if os.path.exists(request.LoraAdapter) and not os.path.isdir(request.LoraAdapter):
# self.load_lora_weights(request.LoraAdapter, 1, device, torchType)
self.pipe.load_lora_weights(request.LoraAdapter)
else:
self.pipe.unet.load_attn_procs(request.LoraAdapter)
if len(request.LoraAdapters) > 0:
i = 0
adapters_name = []
adapters_weights = []
for adapter in request.LoraAdapters:
if not os.path.isabs(adapter):
adapter = os.path.join(request.ModelPath, adapter)
self.pipe.load_lora_weights(adapter, adapter_name=f"adapter_{i}")
adapters_name.append(f"adapter_{i}")
i += 1
for adapters_weight in request.LoraScales:
adapters_weights.append(adapters_weight)
self.pipe.set_adapters(adapters_name, adapter_weights=adapters_weights)
if request.CUDA:
self.pipe.to('cuda')