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import logging
from typing import Optional, List
from pydantic import BaseModel, ConfigDict
from sqlalchemy import Column, BigInteger, Text
from apps.webui.internal.db import Base, JSONField, get_db
from config import SRC_LOG_LEVELS
import time
log = logging.getLogger(__name__)
log.setLevel(SRC_LOG_LEVELS["MODELS"])
####################
# Models DB Schema
####################
# ModelParams is a model for the data stored in the params field of the Model table
class ModelParams(BaseModel):
model_config = ConfigDict(extra="allow")
pass
# ModelMeta is a model for the data stored in the meta field of the Model table
class ModelMeta(BaseModel):
profile_image_url: Optional[str] = "/static/favicon.png"
description: Optional[str] = None
"""
User-facing description of the model.
"""
capabilities: Optional[dict] = None
model_config = ConfigDict(extra="allow")
pass
class Model(Base):
__tablename__ = "model"
id = Column(Text, primary_key=True)
"""
The model's id as used in the API. If set to an existing model, it will override the model.
"""
user_id = Column(Text)
base_model_id = Column(Text, nullable=True)
"""
An optional pointer to the actual model that should be used when proxying requests.
"""
name = Column(Text)
"""
The human-readable display name of the model.
"""
params = Column(JSONField)
"""
Holds a JSON encoded blob of parameters, see `ModelParams`.
"""
meta = Column(JSONField)
"""
Holds a JSON encoded blob of metadata, see `ModelMeta`.
"""
updated_at = Column(BigInteger)
created_at = Column(BigInteger)
class ModelModel(BaseModel):
id: str
user_id: str
base_model_id: Optional[str] = None
name: str
params: ModelParams
meta: ModelMeta
updated_at: int # timestamp in epoch
created_at: int # timestamp in epoch
model_config = ConfigDict(from_attributes=True)
####################
# Forms
####################
class ModelResponse(BaseModel):
id: str
name: str
meta: ModelMeta
updated_at: int # timestamp in epoch
created_at: int # timestamp in epoch
class ModelForm(BaseModel):
id: str
base_model_id: Optional[str] = None
name: str
meta: ModelMeta
params: ModelParams
class ModelsTable:
def insert_new_model(
self, form_data: ModelForm, user_id: str
) -> Optional[ModelModel]:
model = ModelModel(
**{
**form_data.model_dump(),
"user_id": user_id,
"created_at": int(time.time()),
"updated_at": int(time.time()),
}
)
try:
with get_db() as db:
result = Model(**model.model_dump())
db.add(result)
db.commit()
db.refresh(result)
if result:
return ModelModel.model_validate(result)
else:
return None
except Exception as e:
print(e)
return None
def get_all_models(self) -> list[ModelModel]:
with get_db() as db:
return [ModelModel.model_validate(model) for model in db.query(Model).all()]
def get_model_by_id(self, id: str) -> Optional[ModelModel]:
try:
with get_db() as db:
model = db.get(Model, id)
return ModelModel.model_validate(model)
except Exception:
return None
def update_model_by_id(self, id: str, model: ModelForm) -> Optional[ModelModel]:
try:
with get_db() as db:
# update only the fields that are present in the model
result = (
db.query(Model)
.filter_by(id=id)
.update(model.model_dump(exclude={"id"}, exclude_none=True))
)
db.commit()
model = db.get(Model, id)
db.refresh(model)
return ModelModel.model_validate(model)
except Exception as e:
print(e)
return None
def delete_model_by_id(self, id: str) -> bool:
try:
with get_db() as db:
db.query(Model).filter_by(id=id).delete()
db.commit()
return True
except Exception:
return False
Models = ModelsTable()
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