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annotation_is_pydantic_v1() — fastapi Function Reference

Architecture documentation for the annotation_is_pydantic_v1() function in shared.py from the fastapi codebase.

Function python FastAPI Responses calls 2

Entity Profile

Dependency Diagram

graph TD
  e87b444f_22dd_b8d3_c540_e6cf7aa5c29e["annotation_is_pydantic_v1()"]
  3e898b29_4dd8_c417_2d9b_a84d867423b4["shared.py"]
  e87b444f_22dd_b8d3_c540_e6cf7aa5c29e -->|defined in| 3e898b29_4dd8_c417_2d9b_a84d867423b4
  64ba240e_8a87_8240_2e7f_69d6b5d97f5d["is_pydantic_v1_model_class()"]
  e87b444f_22dd_b8d3_c540_e6cf7aa5c29e -->|calls| 64ba240e_8a87_8240_2e7f_69d6b5d97f5d
  8270df11_9596_bb04_cf3e_ab064ec2d09a["field_annotation_is_sequence()"]
  e87b444f_22dd_b8d3_c540_e6cf7aa5c29e -->|calls| 8270df11_9596_bb04_cf3e_ab064ec2d09a
  style e87b444f_22dd_b8d3_c540_e6cf7aa5c29e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

fastapi/_compat/shared.py lines 204–216

def annotation_is_pydantic_v1(annotation: Any) -> bool:
    if is_pydantic_v1_model_class(annotation):
        return True
    origin = get_origin(annotation)
    if origin is Union or origin is UnionType:
        for arg in get_args(annotation):
            if is_pydantic_v1_model_class(arg):
                return True
    if field_annotation_is_sequence(annotation):
        for sub_annotation in get_args(annotation):
            if annotation_is_pydantic_v1(sub_annotation):
                return True
    return False

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does annotation_is_pydantic_v1() do?
annotation_is_pydantic_v1() is a function in the fastapi codebase, defined in fastapi/_compat/shared.py.
Where is annotation_is_pydantic_v1() defined?
annotation_is_pydantic_v1() is defined in fastapi/_compat/shared.py at line 204.
What does annotation_is_pydantic_v1() call?
annotation_is_pydantic_v1() calls 2 function(s): field_annotation_is_sequence, is_pydantic_v1_model_class.

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