68 lines
2.4 KiB
Python
68 lines
2.4 KiB
Python
from inflection import underscore
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from typing import Any, Dict, Optional
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from pydantic import BaseModel, Field, create_model
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from modules.processing import StableDiffusionProcessing, Processed, StableDiffusionProcessingTxt2Img, StableDiffusionProcessingImg2Img, process_images
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import inspect
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class ModelDef(BaseModel):
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"""Assistance Class for Pydantic Dynamic Model Generation"""
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field: str
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field_alias: str
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field_type: Any
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field_value: Any
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class pydanticModelGenerator:
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"""
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Takes in created classes and stubs them out in a way FastAPI/Pydantic is happy about:
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source_data is a snapshot of the default values produced by the class
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params are the names of the actual keys required by __init__
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"""
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def __init__(
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self,
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model_name: str = None,
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source_data: {} = {},
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params: Dict = {},
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overrides: Dict = {},
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optionals: Dict = {},
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):
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def field_type_generator(k, v, overrides, optionals):
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field_type = str if not overrides.get(k) else overrides[k]["type"]
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if v is None:
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field_type = Any
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else:
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field_type = type(v)
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return Optional[field_type]
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self._model_name = model_name
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self._json_data = source_data
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self._model_def = [
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ModelDef(
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field=underscore(k),
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field_alias=k,
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field_type=field_type_generator(k, v, overrides, optionals),
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field_value=v
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)
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for (k,v) in source_data.items() if k in params
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]
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def generate_model(self):
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"""
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Creates a pydantic BaseModel
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from the json and overrides provided at initialization
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"""
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fields = {
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d.field: (d.field_type, Field(default=d.field_value, alias=d.field_alias)) for d in self._model_def
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}
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DynamicModel = create_model(self._model_name, **fields)
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DynamicModel.__config__.allow_population_by_field_name = True
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return DynamicModel
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StableDiffusionProcessingAPI = pydanticModelGenerator("StableDiffusionProcessing",
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StableDiffusionProcessing().__dict__,
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inspect.signature(StableDiffusionProcessing.__init__).parameters).generate_model()
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