Add fastapi code
This commit is contained in:
757
venv/lib/python3.11/site-packages/fastapi/dependencies/utils.py
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757
venv/lib/python3.11/site-packages/fastapi/dependencies/utils.py
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@ -0,0 +1,757 @@
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import dataclasses
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import inspect
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from contextlib import contextmanager
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from copy import deepcopy
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from typing import (
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Any,
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Callable,
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Coroutine,
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Dict,
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ForwardRef,
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List,
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Mapping,
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Optional,
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Sequence,
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Tuple,
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Type,
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Union,
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cast,
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)
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import anyio
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from fastapi import params
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from fastapi.concurrency import (
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AsyncExitStack,
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asynccontextmanager,
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contextmanager_in_threadpool,
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)
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from fastapi.dependencies.models import Dependant, SecurityRequirement
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from fastapi.logger import logger
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from fastapi.security.base import SecurityBase
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from fastapi.security.oauth2 import OAuth2, SecurityScopes
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from fastapi.security.open_id_connect_url import OpenIdConnect
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from fastapi.utils import create_response_field, get_path_param_names
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from pydantic import BaseModel, create_model
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from pydantic.error_wrappers import ErrorWrapper
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from pydantic.errors import MissingError
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from pydantic.fields import (
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SHAPE_FROZENSET,
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SHAPE_LIST,
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SHAPE_SEQUENCE,
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SHAPE_SET,
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SHAPE_SINGLETON,
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SHAPE_TUPLE,
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SHAPE_TUPLE_ELLIPSIS,
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FieldInfo,
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ModelField,
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Required,
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Undefined,
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)
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from pydantic.schema import get_annotation_from_field_info
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from pydantic.typing import evaluate_forwardref
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from pydantic.utils import lenient_issubclass
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from starlette.background import BackgroundTasks
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from starlette.concurrency import run_in_threadpool
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from starlette.datastructures import FormData, Headers, QueryParams, UploadFile
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from starlette.requests import HTTPConnection, Request
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from starlette.responses import Response
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from starlette.websockets import WebSocket
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sequence_shapes = {
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SHAPE_LIST,
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SHAPE_SET,
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SHAPE_FROZENSET,
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SHAPE_TUPLE,
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SHAPE_SEQUENCE,
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SHAPE_TUPLE_ELLIPSIS,
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}
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sequence_types = (list, set, tuple)
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sequence_shape_to_type = {
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SHAPE_LIST: list,
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SHAPE_SET: set,
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SHAPE_TUPLE: tuple,
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SHAPE_SEQUENCE: list,
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SHAPE_TUPLE_ELLIPSIS: list,
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}
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multipart_not_installed_error = (
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'Form data requires "python-multipart" to be installed. \n'
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'You can install "python-multipart" with: \n\n'
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"pip install python-multipart\n"
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)
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multipart_incorrect_install_error = (
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'Form data requires "python-multipart" to be installed. '
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'It seems you installed "multipart" instead. \n'
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'You can remove "multipart" with: \n\n'
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"pip uninstall multipart\n\n"
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'And then install "python-multipart" with: \n\n'
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"pip install python-multipart\n"
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)
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def check_file_field(field: ModelField) -> None:
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field_info = field.field_info
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if isinstance(field_info, params.Form):
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try:
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# __version__ is available in both multiparts, and can be mocked
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from multipart import __version__ # type: ignore
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assert __version__
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try:
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# parse_options_header is only available in the right multipart
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from multipart.multipart import parse_options_header # type: ignore
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assert parse_options_header
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except ImportError:
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logger.error(multipart_incorrect_install_error)
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raise RuntimeError(multipart_incorrect_install_error)
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except ImportError:
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logger.error(multipart_not_installed_error)
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raise RuntimeError(multipart_not_installed_error)
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def get_param_sub_dependant(
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*, param: inspect.Parameter, path: str, security_scopes: Optional[List[str]] = None
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) -> Dependant:
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depends: params.Depends = param.default
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if depends.dependency:
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dependency = depends.dependency
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else:
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dependency = param.annotation
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return get_sub_dependant(
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depends=depends,
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dependency=dependency,
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path=path,
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name=param.name,
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security_scopes=security_scopes,
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)
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def get_parameterless_sub_dependant(*, depends: params.Depends, path: str) -> Dependant:
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assert callable(
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depends.dependency
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), "A parameter-less dependency must have a callable dependency"
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return get_sub_dependant(depends=depends, dependency=depends.dependency, path=path)
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def get_sub_dependant(
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*,
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depends: params.Depends,
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dependency: Callable[..., Any],
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path: str,
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name: Optional[str] = None,
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security_scopes: Optional[List[str]] = None,
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) -> Dependant:
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security_requirement = None
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security_scopes = security_scopes or []
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if isinstance(depends, params.Security):
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dependency_scopes = depends.scopes
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security_scopes.extend(dependency_scopes)
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if isinstance(dependency, SecurityBase):
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use_scopes: List[str] = []
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if isinstance(dependency, (OAuth2, OpenIdConnect)):
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use_scopes = security_scopes
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security_requirement = SecurityRequirement(
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security_scheme=dependency, scopes=use_scopes
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)
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sub_dependant = get_dependant(
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path=path,
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call=dependency,
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name=name,
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security_scopes=security_scopes,
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use_cache=depends.use_cache,
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)
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if security_requirement:
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sub_dependant.security_requirements.append(security_requirement)
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return sub_dependant
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CacheKey = Tuple[Optional[Callable[..., Any]], Tuple[str, ...]]
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def get_flat_dependant(
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dependant: Dependant,
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*,
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skip_repeats: bool = False,
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visited: Optional[List[CacheKey]] = None,
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) -> Dependant:
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if visited is None:
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visited = []
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visited.append(dependant.cache_key)
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flat_dependant = Dependant(
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path_params=dependant.path_params.copy(),
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query_params=dependant.query_params.copy(),
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header_params=dependant.header_params.copy(),
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cookie_params=dependant.cookie_params.copy(),
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body_params=dependant.body_params.copy(),
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security_schemes=dependant.security_requirements.copy(),
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use_cache=dependant.use_cache,
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path=dependant.path,
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)
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for sub_dependant in dependant.dependencies:
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if skip_repeats and sub_dependant.cache_key in visited:
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continue
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flat_sub = get_flat_dependant(
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sub_dependant, skip_repeats=skip_repeats, visited=visited
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)
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flat_dependant.path_params.extend(flat_sub.path_params)
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flat_dependant.query_params.extend(flat_sub.query_params)
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flat_dependant.header_params.extend(flat_sub.header_params)
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flat_dependant.cookie_params.extend(flat_sub.cookie_params)
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flat_dependant.body_params.extend(flat_sub.body_params)
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flat_dependant.security_requirements.extend(flat_sub.security_requirements)
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return flat_dependant
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def get_flat_params(dependant: Dependant) -> List[ModelField]:
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flat_dependant = get_flat_dependant(dependant, skip_repeats=True)
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return (
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flat_dependant.path_params
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+ flat_dependant.query_params
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+ flat_dependant.header_params
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+ flat_dependant.cookie_params
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)
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def is_scalar_field(field: ModelField) -> bool:
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field_info = field.field_info
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if not (
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field.shape == SHAPE_SINGLETON
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and not lenient_issubclass(field.type_, BaseModel)
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and not lenient_issubclass(field.type_, sequence_types + (dict,))
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and not dataclasses.is_dataclass(field.type_)
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and not isinstance(field_info, params.Body)
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):
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return False
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if field.sub_fields:
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if not all(is_scalar_field(f) for f in field.sub_fields):
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return False
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return True
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def is_scalar_sequence_field(field: ModelField) -> bool:
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if (field.shape in sequence_shapes) and not lenient_issubclass(
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field.type_, BaseModel
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):
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if field.sub_fields is not None:
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for sub_field in field.sub_fields:
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if not is_scalar_field(sub_field):
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return False
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return True
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if lenient_issubclass(field.type_, sequence_types):
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return True
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return False
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def get_typed_signature(call: Callable[..., Any]) -> inspect.Signature:
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signature = inspect.signature(call)
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globalns = getattr(call, "__globals__", {})
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typed_params = [
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inspect.Parameter(
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name=param.name,
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kind=param.kind,
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default=param.default,
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annotation=get_typed_annotation(param, globalns),
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)
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for param in signature.parameters.values()
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]
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typed_signature = inspect.Signature(typed_params)
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return typed_signature
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def get_typed_annotation(param: inspect.Parameter, globalns: Dict[str, Any]) -> Any:
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annotation = param.annotation
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if isinstance(annotation, str):
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annotation = ForwardRef(annotation)
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annotation = evaluate_forwardref(annotation, globalns, globalns)
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return annotation
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def get_dependant(
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*,
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path: str,
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call: Callable[..., Any],
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name: Optional[str] = None,
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security_scopes: Optional[List[str]] = None,
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use_cache: bool = True,
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) -> Dependant:
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path_param_names = get_path_param_names(path)
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endpoint_signature = get_typed_signature(call)
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signature_params = endpoint_signature.parameters
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dependant = Dependant(
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call=call,
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name=name,
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path=path,
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security_scopes=security_scopes,
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use_cache=use_cache,
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)
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for param_name, param in signature_params.items():
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if isinstance(param.default, params.Depends):
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sub_dependant = get_param_sub_dependant(
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param=param, path=path, security_scopes=security_scopes
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)
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dependant.dependencies.append(sub_dependant)
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continue
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if add_non_field_param_to_dependency(param=param, dependant=dependant):
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continue
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param_field = get_param_field(
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param=param, default_field_info=params.Query, param_name=param_name
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)
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if param_name in path_param_names:
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assert is_scalar_field(
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field=param_field
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), "Path params must be of one of the supported types"
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ignore_default = not isinstance(param.default, params.Path)
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param_field = get_param_field(
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param=param,
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param_name=param_name,
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default_field_info=params.Path,
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force_type=params.ParamTypes.path,
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ignore_default=ignore_default,
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)
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add_param_to_fields(field=param_field, dependant=dependant)
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elif is_scalar_field(field=param_field):
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add_param_to_fields(field=param_field, dependant=dependant)
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elif isinstance(
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param.default, (params.Query, params.Header)
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) and is_scalar_sequence_field(param_field):
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add_param_to_fields(field=param_field, dependant=dependant)
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else:
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field_info = param_field.field_info
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assert isinstance(
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field_info, params.Body
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), f"Param: {param_field.name} can only be a request body, using Body()"
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dependant.body_params.append(param_field)
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return dependant
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def add_non_field_param_to_dependency(
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*, param: inspect.Parameter, dependant: Dependant
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) -> Optional[bool]:
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if lenient_issubclass(param.annotation, Request):
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dependant.request_param_name = param.name
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return True
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elif lenient_issubclass(param.annotation, WebSocket):
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dependant.websocket_param_name = param.name
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return True
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elif lenient_issubclass(param.annotation, HTTPConnection):
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dependant.http_connection_param_name = param.name
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return True
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elif lenient_issubclass(param.annotation, Response):
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dependant.response_param_name = param.name
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return True
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elif lenient_issubclass(param.annotation, BackgroundTasks):
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dependant.background_tasks_param_name = param.name
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return True
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elif lenient_issubclass(param.annotation, SecurityScopes):
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dependant.security_scopes_param_name = param.name
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return True
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return None
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||||
|
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|
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def get_param_field(
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*,
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param: inspect.Parameter,
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param_name: str,
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default_field_info: Type[params.Param] = params.Param,
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force_type: Optional[params.ParamTypes] = None,
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ignore_default: bool = False,
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) -> ModelField:
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default_value: Any = Undefined
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had_schema = False
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if not param.default == param.empty and ignore_default is False:
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default_value = param.default
|
||||
if isinstance(default_value, FieldInfo):
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had_schema = True
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field_info = default_value
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||||
default_value = field_info.default
|
||||
if (
|
||||
isinstance(field_info, params.Param)
|
||||
and getattr(field_info, "in_", None) is None
|
||||
):
|
||||
field_info.in_ = default_field_info.in_
|
||||
if force_type:
|
||||
field_info.in_ = force_type # type: ignore
|
||||
else:
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||||
field_info = default_field_info(default=default_value)
|
||||
required = True
|
||||
if default_value is Required or ignore_default:
|
||||
required = True
|
||||
default_value = None
|
||||
elif default_value is not Undefined:
|
||||
required = False
|
||||
annotation: Any = Any
|
||||
if not param.annotation == param.empty:
|
||||
annotation = param.annotation
|
||||
annotation = get_annotation_from_field_info(annotation, field_info, param_name)
|
||||
if not field_info.alias and getattr(field_info, "convert_underscores", None):
|
||||
alias = param.name.replace("_", "-")
|
||||
else:
|
||||
alias = field_info.alias or param.name
|
||||
field = create_response_field(
|
||||
name=param.name,
|
||||
type_=annotation,
|
||||
default=default_value,
|
||||
alias=alias,
|
||||
required=required,
|
||||
field_info=field_info,
|
||||
)
|
||||
if not had_schema and not is_scalar_field(field=field):
|
||||
field.field_info = params.Body(field_info.default)
|
||||
if not had_schema and lenient_issubclass(field.type_, UploadFile):
|
||||
field.field_info = params.File(field_info.default)
|
||||
|
||||
return field
|
||||
|
||||
|
||||
def add_param_to_fields(*, field: ModelField, dependant: Dependant) -> None:
|
||||
field_info = cast(params.Param, field.field_info)
|
||||
if field_info.in_ == params.ParamTypes.path:
|
||||
dependant.path_params.append(field)
|
||||
elif field_info.in_ == params.ParamTypes.query:
|
||||
dependant.query_params.append(field)
|
||||
elif field_info.in_ == params.ParamTypes.header:
|
||||
dependant.header_params.append(field)
|
||||
else:
|
||||
assert (
|
||||
field_info.in_ == params.ParamTypes.cookie
|
||||
), f"non-body parameters must be in path, query, header or cookie: {field.name}"
|
||||
dependant.cookie_params.append(field)
|
||||
|
||||
|
||||
def is_coroutine_callable(call: Callable[..., Any]) -> bool:
|
||||
if inspect.isroutine(call):
|
||||
return inspect.iscoroutinefunction(call)
|
||||
if inspect.isclass(call):
|
||||
return False
|
||||
dunder_call = getattr(call, "__call__", None) # noqa: B004
|
||||
return inspect.iscoroutinefunction(dunder_call)
|
||||
|
||||
|
||||
def is_async_gen_callable(call: Callable[..., Any]) -> bool:
|
||||
if inspect.isasyncgenfunction(call):
|
||||
return True
|
||||
dunder_call = getattr(call, "__call__", None) # noqa: B004
|
||||
return inspect.isasyncgenfunction(dunder_call)
|
||||
|
||||
|
||||
def is_gen_callable(call: Callable[..., Any]) -> bool:
|
||||
if inspect.isgeneratorfunction(call):
|
||||
return True
|
||||
dunder_call = getattr(call, "__call__", None) # noqa: B004
|
||||
return inspect.isgeneratorfunction(dunder_call)
|
||||
|
||||
|
||||
async def solve_generator(
|
||||
*, call: Callable[..., Any], stack: AsyncExitStack, sub_values: Dict[str, Any]
|
||||
) -> Any:
|
||||
if is_gen_callable(call):
|
||||
cm = contextmanager_in_threadpool(contextmanager(call)(**sub_values))
|
||||
elif is_async_gen_callable(call):
|
||||
cm = asynccontextmanager(call)(**sub_values)
|
||||
return await stack.enter_async_context(cm)
|
||||
|
||||
|
||||
async def solve_dependencies(
|
||||
*,
|
||||
request: Union[Request, WebSocket],
|
||||
dependant: Dependant,
|
||||
body: Optional[Union[Dict[str, Any], FormData]] = None,
|
||||
background_tasks: Optional[BackgroundTasks] = None,
|
||||
response: Optional[Response] = None,
|
||||
dependency_overrides_provider: Optional[Any] = None,
|
||||
dependency_cache: Optional[Dict[Tuple[Callable[..., Any], Tuple[str]], Any]] = None,
|
||||
) -> Tuple[
|
||||
Dict[str, Any],
|
||||
List[ErrorWrapper],
|
||||
Optional[BackgroundTasks],
|
||||
Response,
|
||||
Dict[Tuple[Callable[..., Any], Tuple[str]], Any],
|
||||
]:
|
||||
values: Dict[str, Any] = {}
|
||||
errors: List[ErrorWrapper] = []
|
||||
if response is None:
|
||||
response = Response()
|
||||
del response.headers["content-length"]
|
||||
response.status_code = None # type: ignore
|
||||
dependency_cache = dependency_cache or {}
|
||||
sub_dependant: Dependant
|
||||
for sub_dependant in dependant.dependencies:
|
||||
sub_dependant.call = cast(Callable[..., Any], sub_dependant.call)
|
||||
sub_dependant.cache_key = cast(
|
||||
Tuple[Callable[..., Any], Tuple[str]], sub_dependant.cache_key
|
||||
)
|
||||
call = sub_dependant.call
|
||||
use_sub_dependant = sub_dependant
|
||||
if (
|
||||
dependency_overrides_provider
|
||||
and dependency_overrides_provider.dependency_overrides
|
||||
):
|
||||
original_call = sub_dependant.call
|
||||
call = getattr(
|
||||
dependency_overrides_provider, "dependency_overrides", {}
|
||||
).get(original_call, original_call)
|
||||
use_path: str = sub_dependant.path # type: ignore
|
||||
use_sub_dependant = get_dependant(
|
||||
path=use_path,
|
||||
call=call,
|
||||
name=sub_dependant.name,
|
||||
security_scopes=sub_dependant.security_scopes,
|
||||
)
|
||||
|
||||
solved_result = await solve_dependencies(
|
||||
request=request,
|
||||
dependant=use_sub_dependant,
|
||||
body=body,
|
||||
background_tasks=background_tasks,
|
||||
response=response,
|
||||
dependency_overrides_provider=dependency_overrides_provider,
|
||||
dependency_cache=dependency_cache,
|
||||
)
|
||||
(
|
||||
sub_values,
|
||||
sub_errors,
|
||||
background_tasks,
|
||||
_, # the subdependency returns the same response we have
|
||||
sub_dependency_cache,
|
||||
) = solved_result
|
||||
dependency_cache.update(sub_dependency_cache)
|
||||
if sub_errors:
|
||||
errors.extend(sub_errors)
|
||||
continue
|
||||
if sub_dependant.use_cache and sub_dependant.cache_key in dependency_cache:
|
||||
solved = dependency_cache[sub_dependant.cache_key]
|
||||
elif is_gen_callable(call) or is_async_gen_callable(call):
|
||||
stack = request.scope.get("fastapi_astack")
|
||||
assert isinstance(stack, AsyncExitStack)
|
||||
solved = await solve_generator(
|
||||
call=call, stack=stack, sub_values=sub_values
|
||||
)
|
||||
elif is_coroutine_callable(call):
|
||||
solved = await call(**sub_values)
|
||||
else:
|
||||
solved = await run_in_threadpool(call, **sub_values)
|
||||
if sub_dependant.name is not None:
|
||||
values[sub_dependant.name] = solved
|
||||
if sub_dependant.cache_key not in dependency_cache:
|
||||
dependency_cache[sub_dependant.cache_key] = solved
|
||||
path_values, path_errors = request_params_to_args(
|
||||
dependant.path_params, request.path_params
|
||||
)
|
||||
query_values, query_errors = request_params_to_args(
|
||||
dependant.query_params, request.query_params
|
||||
)
|
||||
header_values, header_errors = request_params_to_args(
|
||||
dependant.header_params, request.headers
|
||||
)
|
||||
cookie_values, cookie_errors = request_params_to_args(
|
||||
dependant.cookie_params, request.cookies
|
||||
)
|
||||
values.update(path_values)
|
||||
values.update(query_values)
|
||||
values.update(header_values)
|
||||
values.update(cookie_values)
|
||||
errors += path_errors + query_errors + header_errors + cookie_errors
|
||||
if dependant.body_params:
|
||||
(
|
||||
body_values,
|
||||
body_errors,
|
||||
) = await request_body_to_args( # body_params checked above
|
||||
required_params=dependant.body_params, received_body=body
|
||||
)
|
||||
values.update(body_values)
|
||||
errors.extend(body_errors)
|
||||
if dependant.http_connection_param_name:
|
||||
values[dependant.http_connection_param_name] = request
|
||||
if dependant.request_param_name and isinstance(request, Request):
|
||||
values[dependant.request_param_name] = request
|
||||
elif dependant.websocket_param_name and isinstance(request, WebSocket):
|
||||
values[dependant.websocket_param_name] = request
|
||||
if dependant.background_tasks_param_name:
|
||||
if background_tasks is None:
|
||||
background_tasks = BackgroundTasks()
|
||||
values[dependant.background_tasks_param_name] = background_tasks
|
||||
if dependant.response_param_name:
|
||||
values[dependant.response_param_name] = response
|
||||
if dependant.security_scopes_param_name:
|
||||
values[dependant.security_scopes_param_name] = SecurityScopes(
|
||||
scopes=dependant.security_scopes
|
||||
)
|
||||
return values, errors, background_tasks, response, dependency_cache
|
||||
|
||||
|
||||
def request_params_to_args(
|
||||
required_params: Sequence[ModelField],
|
||||
received_params: Union[Mapping[str, Any], QueryParams, Headers],
|
||||
) -> Tuple[Dict[str, Any], List[ErrorWrapper]]:
|
||||
values = {}
|
||||
errors = []
|
||||
for field in required_params:
|
||||
if is_scalar_sequence_field(field) and isinstance(
|
||||
received_params, (QueryParams, Headers)
|
||||
):
|
||||
value = received_params.getlist(field.alias) or field.default
|
||||
else:
|
||||
value = received_params.get(field.alias)
|
||||
field_info = field.field_info
|
||||
assert isinstance(
|
||||
field_info, params.Param
|
||||
), "Params must be subclasses of Param"
|
||||
if value is None:
|
||||
if field.required:
|
||||
errors.append(
|
||||
ErrorWrapper(
|
||||
MissingError(), loc=(field_info.in_.value, field.alias)
|
||||
)
|
||||
)
|
||||
else:
|
||||
values[field.name] = deepcopy(field.default)
|
||||
continue
|
||||
v_, errors_ = field.validate(
|
||||
value, values, loc=(field_info.in_.value, field.alias)
|
||||
)
|
||||
if isinstance(errors_, ErrorWrapper):
|
||||
errors.append(errors_)
|
||||
elif isinstance(errors_, list):
|
||||
errors.extend(errors_)
|
||||
else:
|
||||
values[field.name] = v_
|
||||
return values, errors
|
||||
|
||||
|
||||
async def request_body_to_args(
|
||||
required_params: List[ModelField],
|
||||
received_body: Optional[Union[Dict[str, Any], FormData]],
|
||||
) -> Tuple[Dict[str, Any], List[ErrorWrapper]]:
|
||||
values = {}
|
||||
errors = []
|
||||
if required_params:
|
||||
field = required_params[0]
|
||||
field_info = field.field_info
|
||||
embed = getattr(field_info, "embed", None)
|
||||
field_alias_omitted = len(required_params) == 1 and not embed
|
||||
if field_alias_omitted:
|
||||
received_body = {field.alias: received_body}
|
||||
|
||||
for field in required_params:
|
||||
loc: Tuple[str, ...]
|
||||
if field_alias_omitted:
|
||||
loc = ("body",)
|
||||
else:
|
||||
loc = ("body", field.alias)
|
||||
|
||||
value: Optional[Any] = None
|
||||
if received_body is not None:
|
||||
if (
|
||||
field.shape in sequence_shapes or field.type_ in sequence_types
|
||||
) and isinstance(received_body, FormData):
|
||||
value = received_body.getlist(field.alias)
|
||||
else:
|
||||
try:
|
||||
value = received_body.get(field.alias)
|
||||
except AttributeError:
|
||||
errors.append(get_missing_field_error(loc))
|
||||
continue
|
||||
if (
|
||||
value is None
|
||||
or (isinstance(field_info, params.Form) and value == "")
|
||||
or (
|
||||
isinstance(field_info, params.Form)
|
||||
and field.shape in sequence_shapes
|
||||
and len(value) == 0
|
||||
)
|
||||
):
|
||||
if field.required:
|
||||
errors.append(get_missing_field_error(loc))
|
||||
else:
|
||||
values[field.name] = deepcopy(field.default)
|
||||
continue
|
||||
if (
|
||||
isinstance(field_info, params.File)
|
||||
and lenient_issubclass(field.type_, bytes)
|
||||
and isinstance(value, UploadFile)
|
||||
):
|
||||
value = await value.read()
|
||||
elif (
|
||||
field.shape in sequence_shapes
|
||||
and isinstance(field_info, params.File)
|
||||
and lenient_issubclass(field.type_, bytes)
|
||||
and isinstance(value, sequence_types)
|
||||
):
|
||||
results: List[Union[bytes, str]] = []
|
||||
|
||||
async def process_fn(
|
||||
fn: Callable[[], Coroutine[Any, Any, Any]]
|
||||
) -> None:
|
||||
result = await fn()
|
||||
results.append(result)
|
||||
|
||||
async with anyio.create_task_group() as tg:
|
||||
for sub_value in value:
|
||||
tg.start_soon(process_fn, sub_value.read)
|
||||
value = sequence_shape_to_type[field.shape](results)
|
||||
|
||||
v_, errors_ = field.validate(value, values, loc=loc)
|
||||
|
||||
if isinstance(errors_, ErrorWrapper):
|
||||
errors.append(errors_)
|
||||
elif isinstance(errors_, list):
|
||||
errors.extend(errors_)
|
||||
else:
|
||||
values[field.name] = v_
|
||||
return values, errors
|
||||
|
||||
|
||||
def get_missing_field_error(loc: Tuple[str, ...]) -> ErrorWrapper:
|
||||
missing_field_error = ErrorWrapper(MissingError(), loc=loc)
|
||||
return missing_field_error
|
||||
|
||||
|
||||
def get_body_field(*, dependant: Dependant, name: str) -> Optional[ModelField]:
|
||||
flat_dependant = get_flat_dependant(dependant)
|
||||
if not flat_dependant.body_params:
|
||||
return None
|
||||
first_param = flat_dependant.body_params[0]
|
||||
field_info = first_param.field_info
|
||||
embed = getattr(field_info, "embed", None)
|
||||
body_param_names_set = {param.name for param in flat_dependant.body_params}
|
||||
if len(body_param_names_set) == 1 and not embed:
|
||||
check_file_field(first_param)
|
||||
return first_param
|
||||
# If one field requires to embed, all have to be embedded
|
||||
# in case a sub-dependency is evaluated with a single unique body field
|
||||
# That is combined (embedded) with other body fields
|
||||
for param in flat_dependant.body_params:
|
||||
setattr(param.field_info, "embed", True) # noqa: B010
|
||||
model_name = "Body_" + name
|
||||
BodyModel: Type[BaseModel] = create_model(model_name)
|
||||
for f in flat_dependant.body_params:
|
||||
BodyModel.__fields__[f.name] = f
|
||||
required = any(True for f in flat_dependant.body_params if f.required)
|
||||
|
||||
BodyFieldInfo_kwargs: Dict[str, Any] = {"default": None}
|
||||
if any(isinstance(f.field_info, params.File) for f in flat_dependant.body_params):
|
||||
BodyFieldInfo: Type[params.Body] = params.File
|
||||
elif any(isinstance(f.field_info, params.Form) for f in flat_dependant.body_params):
|
||||
BodyFieldInfo = params.Form
|
||||
else:
|
||||
BodyFieldInfo = params.Body
|
||||
|
||||
body_param_media_types = [
|
||||
f.field_info.media_type
|
||||
for f in flat_dependant.body_params
|
||||
if isinstance(f.field_info, params.Body)
|
||||
]
|
||||
if len(set(body_param_media_types)) == 1:
|
||||
BodyFieldInfo_kwargs["media_type"] = body_param_media_types[0]
|
||||
final_field = create_response_field(
|
||||
name="body",
|
||||
type_=BodyModel,
|
||||
required=required,
|
||||
alias="body",
|
||||
field_info=BodyFieldInfo(**BodyFieldInfo_kwargs),
|
||||
)
|
||||
check_file_field(final_field)
|
||||
return final_field
|
||||
Reference in New Issue
Block a user