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Let users swap schedulers #360

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merged 3 commits into from
Dec 6, 2023
Merged

Let users swap schedulers #360

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0405801
Let users swap schedulers
apolinario Dec 6, 2023
99de135
move it to call
apolinario Dec 6, 2023
0c0c3eb
✨ style ✨
apolinario Dec 6, 2023
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15 changes: 14 additions & 1 deletion docker_images/diffusers/app/pipelines/text_to_image.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
import logging
import os
from typing import TYPE_CHECKING
import importlib

import torch
from app import idle, lora, timing, validation
Expand Down Expand Up @@ -65,6 +66,11 @@ def __init__(self, model_id: str):
if torch.cuda.is_available():
kwargs["torch_dtype"] = torch.float16

custom_scheduler = None
if "scheduler" in kwargs:
custom_scheduler = kwargs["scheduler"]
kwargs.pop("scheduler")

has_model_index = any(
file.rfilename == "model_index.json" for file in model_data.siblings
)
Expand Down Expand Up @@ -127,7 +133,14 @@ def __init__(self, model_id: str):
self.ldm.__class__.__init__.__annotations__.get("scheduler", None)
== KarrasDiffusionSchedulers
)
if self.is_karras_compatible:
if custom_scheduler:
compatibles = self.ldm.compatibles
is_compatible_scheduler = [cls for cls in compatibles if cls.__name__ == custom_scheduler]
if(is_compatible_scheduler):
SchedulerClass = getattr(importlib.import_module("diffusers.schedulers"), custom_scheduler)
self.ldm.scheduler = SchedulerClass.from_config(self.ldm.scheduler.config)

if self.is_karras_compatible and ((not custom_scheduler) or (custom_scheduler and not is_compatible_scheduler)):
self.ldm.scheduler = EulerAncestralDiscreteScheduler.from_config(
self.ldm.scheduler.config
)
Expand Down
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