Excluding pydantic model fields only when returned as part of a FastAPI call – Fastapi
Quick Fix: Create a custom APIRoute subclass and override its __init__ method to set the … Read more
Quick Fix: Create a custom APIRoute subclass and override its __init__ method to set the … Read more
Quick Fix: In Pydantic v2, the values argument in @field_validator has been replaced with info … Read more
Quick Fix: Replace .dict() with .model_dump() as the recommended way to convert Pydantic models to … Read more
The Problem: Given a pydantic model representing an object with nested child models, how can … Read more
Quick Fix: Replace the pre=True argument with mode=’before’. For example, in Pydantic v1: @validator("x", pre=True) … Read more
The Problem: Convert a pydantic dataclass with extra arguments to a dict. The issue arises … Read more
Quick Fix: In __init__ functions, always pass all field-related keyword arguments "up the chain" to … Read more
Quick Fix: Use a pre-validator to convert non-int values to None before creating the model … Read more
Quick Fix: To use ModelWrapValidatorHandler with model_validator(mode="wrap") in Pydantic V2, pass the handler as the … Read more
Quick Fix: Utilize Python’s dictionaries ordered structure. Serialize your pydantic model to a dictionary and … Read more
Quick Fix: Define a new base model CustomBaseModel that allows arbitrary types and inherit your … Read more
Quick Fix: Override the Enum‘s [_missing_][1] method to achieve case-insensitive comparisons. Example: from enum import … Read more
The Solutions: Solution 1: Handling Special Case with Custom Validator If your goal is to … Read more
The Problem: In Pydantic V2, how can you autopopulate fields on a Pydantic model without … Read more
Quick Fix: To accept integer input in pydantic as a string, utilize the coerce_numbers_to_str config. … Read more