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authorS. Solomon Darnell2025-03-28 21:52:21 -0500
committerS. Solomon Darnell2025-03-28 21:52:21 -0500
commit4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch)
treeee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/fastapi/openapi/utils.py
parentcc961e04ba734dd72309fb548a2f97d67d578813 (diff)
downloadgn-ai-master.tar.gz
two version of R2R are hereHEADmaster
Diffstat (limited to '.venv/lib/python3.12/site-packages/fastapi/openapi/utils.py')
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+import http.client
+import inspect
+import warnings
+from typing import Any, Dict, List, Optional, Sequence, Set, Tuple, Type, Union, cast
+
+from fastapi import routing
+from fastapi._compat import (
+ GenerateJsonSchema,
+ JsonSchemaValue,
+ ModelField,
+ Undefined,
+ get_compat_model_name_map,
+ get_definitions,
+ get_schema_from_model_field,
+ lenient_issubclass,
+)
+from fastapi.datastructures import DefaultPlaceholder
+from fastapi.dependencies.models import Dependant
+from fastapi.dependencies.utils import (
+ _get_flat_fields_from_params,
+ get_flat_dependant,
+ get_flat_params,
+)
+from fastapi.encoders import jsonable_encoder
+from fastapi.openapi.constants import METHODS_WITH_BODY, REF_PREFIX, REF_TEMPLATE
+from fastapi.openapi.models import OpenAPI
+from fastapi.params import Body, ParamTypes
+from fastapi.responses import Response
+from fastapi.types import ModelNameMap
+from fastapi.utils import (
+ deep_dict_update,
+ generate_operation_id_for_path,
+ is_body_allowed_for_status_code,
+)
+from pydantic import BaseModel
+from starlette.responses import JSONResponse
+from starlette.routing import BaseRoute
+from starlette.status import HTTP_422_UNPROCESSABLE_ENTITY
+from typing_extensions import Literal
+
+validation_error_definition = {
+ "title": "ValidationError",
+ "type": "object",
+ "properties": {
+ "loc": {
+ "title": "Location",
+ "type": "array",
+ "items": {"anyOf": [{"type": "string"}, {"type": "integer"}]},
+ },
+ "msg": {"title": "Message", "type": "string"},
+ "type": {"title": "Error Type", "type": "string"},
+ },
+ "required": ["loc", "msg", "type"],
+}
+
+validation_error_response_definition = {
+ "title": "HTTPValidationError",
+ "type": "object",
+ "properties": {
+ "detail": {
+ "title": "Detail",
+ "type": "array",
+ "items": {"$ref": REF_PREFIX + "ValidationError"},
+ }
+ },
+}
+
+status_code_ranges: Dict[str, str] = {
+ "1XX": "Information",
+ "2XX": "Success",
+ "3XX": "Redirection",
+ "4XX": "Client Error",
+ "5XX": "Server Error",
+ "DEFAULT": "Default Response",
+}
+
+
+def get_openapi_security_definitions(
+ flat_dependant: Dependant,
+) -> Tuple[Dict[str, Any], List[Dict[str, Any]]]:
+ security_definitions = {}
+ operation_security = []
+ for security_requirement in flat_dependant.security_requirements:
+ security_definition = jsonable_encoder(
+ security_requirement.security_scheme.model,
+ by_alias=True,
+ exclude_none=True,
+ )
+ security_name = security_requirement.security_scheme.scheme_name
+ security_definitions[security_name] = security_definition
+ operation_security.append({security_name: security_requirement.scopes})
+ return security_definitions, operation_security
+
+
+def _get_openapi_operation_parameters(
+ *,
+ dependant: Dependant,
+ schema_generator: GenerateJsonSchema,
+ model_name_map: ModelNameMap,
+ field_mapping: Dict[
+ Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue
+ ],
+ separate_input_output_schemas: bool = True,
+) -> List[Dict[str, Any]]:
+ parameters = []
+ flat_dependant = get_flat_dependant(dependant, skip_repeats=True)
+ path_params = _get_flat_fields_from_params(flat_dependant.path_params)
+ query_params = _get_flat_fields_from_params(flat_dependant.query_params)
+ header_params = _get_flat_fields_from_params(flat_dependant.header_params)
+ cookie_params = _get_flat_fields_from_params(flat_dependant.cookie_params)
+ parameter_groups = [
+ (ParamTypes.path, path_params),
+ (ParamTypes.query, query_params),
+ (ParamTypes.header, header_params),
+ (ParamTypes.cookie, cookie_params),
+ ]
+ default_convert_underscores = True
+ if len(flat_dependant.header_params) == 1:
+ first_field = flat_dependant.header_params[0]
+ if lenient_issubclass(first_field.type_, BaseModel):
+ default_convert_underscores = getattr(
+ first_field.field_info, "convert_underscores", True
+ )
+ for param_type, param_group in parameter_groups:
+ for param in param_group:
+ field_info = param.field_info
+ # field_info = cast(Param, field_info)
+ if not getattr(field_info, "include_in_schema", True):
+ continue
+ param_schema = get_schema_from_model_field(
+ field=param,
+ schema_generator=schema_generator,
+ model_name_map=model_name_map,
+ field_mapping=field_mapping,
+ separate_input_output_schemas=separate_input_output_schemas,
+ )
+ name = param.alias
+ convert_underscores = getattr(
+ param.field_info,
+ "convert_underscores",
+ default_convert_underscores,
+ )
+ if (
+ param_type == ParamTypes.header
+ and param.alias == param.name
+ and convert_underscores
+ ):
+ name = param.name.replace("_", "-")
+
+ parameter = {
+ "name": name,
+ "in": param_type.value,
+ "required": param.required,
+ "schema": param_schema,
+ }
+ if field_info.description:
+ parameter["description"] = field_info.description
+ openapi_examples = getattr(field_info, "openapi_examples", None)
+ example = getattr(field_info, "example", None)
+ if openapi_examples:
+ parameter["examples"] = jsonable_encoder(openapi_examples)
+ elif example != Undefined:
+ parameter["example"] = jsonable_encoder(example)
+ if getattr(field_info, "deprecated", None):
+ parameter["deprecated"] = True
+ parameters.append(parameter)
+ return parameters
+
+
+def get_openapi_operation_request_body(
+ *,
+ body_field: Optional[ModelField],
+ schema_generator: GenerateJsonSchema,
+ model_name_map: ModelNameMap,
+ field_mapping: Dict[
+ Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue
+ ],
+ separate_input_output_schemas: bool = True,
+) -> Optional[Dict[str, Any]]:
+ if not body_field:
+ return None
+ assert isinstance(body_field, ModelField)
+ body_schema = get_schema_from_model_field(
+ field=body_field,
+ schema_generator=schema_generator,
+ model_name_map=model_name_map,
+ field_mapping=field_mapping,
+ separate_input_output_schemas=separate_input_output_schemas,
+ )
+ field_info = cast(Body, body_field.field_info)
+ request_media_type = field_info.media_type
+ required = body_field.required
+ request_body_oai: Dict[str, Any] = {}
+ if required:
+ request_body_oai["required"] = required
+ request_media_content: Dict[str, Any] = {"schema": body_schema}
+ if field_info.openapi_examples:
+ request_media_content["examples"] = jsonable_encoder(
+ field_info.openapi_examples
+ )
+ elif field_info.example != Undefined:
+ request_media_content["example"] = jsonable_encoder(field_info.example)
+ request_body_oai["content"] = {request_media_type: request_media_content}
+ return request_body_oai
+
+
+def generate_operation_id(
+ *, route: routing.APIRoute, method: str
+) -> str: # pragma: nocover
+ warnings.warn(
+ "fastapi.openapi.utils.generate_operation_id() was deprecated, "
+ "it is not used internally, and will be removed soon",
+ DeprecationWarning,
+ stacklevel=2,
+ )
+ if route.operation_id:
+ return route.operation_id
+ path: str = route.path_format
+ return generate_operation_id_for_path(name=route.name, path=path, method=method)
+
+
+def generate_operation_summary(*, route: routing.APIRoute, method: str) -> str:
+ if route.summary:
+ return route.summary
+ return route.name.replace("_", " ").title()
+
+
+def get_openapi_operation_metadata(
+ *, route: routing.APIRoute, method: str, operation_ids: Set[str]
+) -> Dict[str, Any]:
+ operation: Dict[str, Any] = {}
+ if route.tags:
+ operation["tags"] = route.tags
+ operation["summary"] = generate_operation_summary(route=route, method=method)
+ if route.description:
+ operation["description"] = route.description
+ operation_id = route.operation_id or route.unique_id
+ if operation_id in operation_ids:
+ message = (
+ f"Duplicate Operation ID {operation_id} for function "
+ + f"{route.endpoint.__name__}"
+ )
+ file_name = getattr(route.endpoint, "__globals__", {}).get("__file__")
+ if file_name:
+ message += f" at {file_name}"
+ warnings.warn(message, stacklevel=1)
+ operation_ids.add(operation_id)
+ operation["operationId"] = operation_id
+ if route.deprecated:
+ operation["deprecated"] = route.deprecated
+ return operation
+
+
+def get_openapi_path(
+ *,
+ route: routing.APIRoute,
+ operation_ids: Set[str],
+ schema_generator: GenerateJsonSchema,
+ model_name_map: ModelNameMap,
+ field_mapping: Dict[
+ Tuple[ModelField, Literal["validation", "serialization"]], JsonSchemaValue
+ ],
+ separate_input_output_schemas: bool = True,
+) -> Tuple[Dict[str, Any], Dict[str, Any], Dict[str, Any]]:
+ path = {}
+ security_schemes: Dict[str, Any] = {}
+ definitions: Dict[str, Any] = {}
+ assert route.methods is not None, "Methods must be a list"
+ if isinstance(route.response_class, DefaultPlaceholder):
+ current_response_class: Type[Response] = route.response_class.value
+ else:
+ current_response_class = route.response_class
+ assert current_response_class, "A response class is needed to generate OpenAPI"
+ route_response_media_type: Optional[str] = current_response_class.media_type
+ if route.include_in_schema:
+ for method in route.methods:
+ operation = get_openapi_operation_metadata(
+ route=route, method=method, operation_ids=operation_ids
+ )
+ parameters: List[Dict[str, Any]] = []
+ flat_dependant = get_flat_dependant(route.dependant, skip_repeats=True)
+ security_definitions, operation_security = get_openapi_security_definitions(
+ flat_dependant=flat_dependant
+ )
+ if operation_security:
+ operation.setdefault("security", []).extend(operation_security)
+ if security_definitions:
+ security_schemes.update(security_definitions)
+ operation_parameters = _get_openapi_operation_parameters(
+ dependant=route.dependant,
+ schema_generator=schema_generator,
+ model_name_map=model_name_map,
+ field_mapping=field_mapping,
+ separate_input_output_schemas=separate_input_output_schemas,
+ )
+ parameters.extend(operation_parameters)
+ if parameters:
+ all_parameters = {
+ (param["in"], param["name"]): param for param in parameters
+ }
+ required_parameters = {
+ (param["in"], param["name"]): param
+ for param in parameters
+ if param.get("required")
+ }
+ # Make sure required definitions of the same parameter take precedence
+ # over non-required definitions
+ all_parameters.update(required_parameters)
+ operation["parameters"] = list(all_parameters.values())
+ if method in METHODS_WITH_BODY:
+ request_body_oai = get_openapi_operation_request_body(
+ body_field=route.body_field,
+ schema_generator=schema_generator,
+ model_name_map=model_name_map,
+ field_mapping=field_mapping,
+ separate_input_output_schemas=separate_input_output_schemas,
+ )
+ if request_body_oai:
+ operation["requestBody"] = request_body_oai
+ if route.callbacks:
+ callbacks = {}
+ for callback in route.callbacks:
+ if isinstance(callback, routing.APIRoute):
+ (
+ cb_path,
+ cb_security_schemes,
+ cb_definitions,
+ ) = get_openapi_path(
+ route=callback,
+ operation_ids=operation_ids,
+ schema_generator=schema_generator,
+ model_name_map=model_name_map,
+ field_mapping=field_mapping,
+ separate_input_output_schemas=separate_input_output_schemas,
+ )
+ callbacks[callback.name] = {callback.path: cb_path}
+ operation["callbacks"] = callbacks
+ if route.status_code is not None:
+ status_code = str(route.status_code)
+ else:
+ # It would probably make more sense for all response classes to have an
+ # explicit default status_code, and to extract it from them, instead of
+ # doing this inspection tricks, that would probably be in the future
+ # TODO: probably make status_code a default class attribute for all
+ # responses in Starlette
+ response_signature = inspect.signature(current_response_class.__init__)
+ status_code_param = response_signature.parameters.get("status_code")
+ if status_code_param is not None:
+ if isinstance(status_code_param.default, int):
+ status_code = str(status_code_param.default)
+ operation.setdefault("responses", {}).setdefault(status_code, {})[
+ "description"
+ ] = route.response_description
+ if route_response_media_type and is_body_allowed_for_status_code(
+ route.status_code
+ ):
+ response_schema = {"type": "string"}
+ if lenient_issubclass(current_response_class, JSONResponse):
+ if route.response_field:
+ response_schema = get_schema_from_model_field(
+ field=route.response_field,
+ schema_generator=schema_generator,
+ model_name_map=model_name_map,
+ field_mapping=field_mapping,
+ separate_input_output_schemas=separate_input_output_schemas,
+ )
+ else:
+ response_schema = {}
+ operation.setdefault("responses", {}).setdefault(
+ status_code, {}
+ ).setdefault("content", {}).setdefault(route_response_media_type, {})[
+ "schema"
+ ] = response_schema
+ if route.responses:
+ operation_responses = operation.setdefault("responses", {})
+ for (
+ additional_status_code,
+ additional_response,
+ ) in route.responses.items():
+ process_response = additional_response.copy()
+ process_response.pop("model", None)
+ status_code_key = str(additional_status_code).upper()
+ if status_code_key == "DEFAULT":
+ status_code_key = "default"
+ openapi_response = operation_responses.setdefault(
+ status_code_key, {}
+ )
+ assert isinstance(process_response, dict), (
+ "An additional response must be a dict"
+ )
+ field = route.response_fields.get(additional_status_code)
+ additional_field_schema: Optional[Dict[str, Any]] = None
+ if field:
+ additional_field_schema = get_schema_from_model_field(
+ field=field,
+ schema_generator=schema_generator,
+ model_name_map=model_name_map,
+ field_mapping=field_mapping,
+ separate_input_output_schemas=separate_input_output_schemas,
+ )
+ media_type = route_response_media_type or "application/json"
+ additional_schema = (
+ process_response.setdefault("content", {})
+ .setdefault(media_type, {})
+ .setdefault("schema", {})
+ )
+ deep_dict_update(additional_schema, additional_field_schema)
+ status_text: Optional[str] = status_code_ranges.get(
+ str(additional_status_code).upper()
+ ) or http.client.responses.get(int(additional_status_code))
+ description = (
+ process_response.get("description")
+ or openapi_response.get("description")
+ or status_text
+ or "Additional Response"
+ )
+ deep_dict_update(openapi_response, process_response)
+ openapi_response["description"] = description
+ http422 = str(HTTP_422_UNPROCESSABLE_ENTITY)
+ all_route_params = get_flat_params(route.dependant)
+ if (all_route_params or route.body_field) and not any(
+ status in operation["responses"]
+ for status in [http422, "4XX", "default"]
+ ):
+ operation["responses"][http422] = {
+ "description": "Validation Error",
+ "content": {
+ "application/json": {
+ "schema": {"$ref": REF_PREFIX + "HTTPValidationError"}
+ }
+ },
+ }
+ if "ValidationError" not in definitions:
+ definitions.update(
+ {
+ "ValidationError": validation_error_definition,
+ "HTTPValidationError": validation_error_response_definition,
+ }
+ )
+ if route.openapi_extra:
+ deep_dict_update(operation, route.openapi_extra)
+ path[method.lower()] = operation
+ return path, security_schemes, definitions
+
+
+def get_fields_from_routes(
+ routes: Sequence[BaseRoute],
+) -> List[ModelField]:
+ body_fields_from_routes: List[ModelField] = []
+ responses_from_routes: List[ModelField] = []
+ request_fields_from_routes: List[ModelField] = []
+ callback_flat_models: List[ModelField] = []
+ for route in routes:
+ if getattr(route, "include_in_schema", None) and isinstance(
+ route, routing.APIRoute
+ ):
+ if route.body_field:
+ assert isinstance(route.body_field, ModelField), (
+ "A request body must be a Pydantic Field"
+ )
+ body_fields_from_routes.append(route.body_field)
+ if route.response_field:
+ responses_from_routes.append(route.response_field)
+ if route.response_fields:
+ responses_from_routes.extend(route.response_fields.values())
+ if route.callbacks:
+ callback_flat_models.extend(get_fields_from_routes(route.callbacks))
+ params = get_flat_params(route.dependant)
+ request_fields_from_routes.extend(params)
+
+ flat_models = callback_flat_models + list(
+ body_fields_from_routes + responses_from_routes + request_fields_from_routes
+ )
+ return flat_models
+
+
+def get_openapi(
+ *,
+ title: str,
+ version: str,
+ openapi_version: str = "3.1.0",
+ summary: Optional[str] = None,
+ description: Optional[str] = None,
+ routes: Sequence[BaseRoute],
+ webhooks: Optional[Sequence[BaseRoute]] = None,
+ tags: Optional[List[Dict[str, Any]]] = None,
+ servers: Optional[List[Dict[str, Union[str, Any]]]] = None,
+ terms_of_service: Optional[str] = None,
+ contact: Optional[Dict[str, Union[str, Any]]] = None,
+ license_info: Optional[Dict[str, Union[str, Any]]] = None,
+ separate_input_output_schemas: bool = True,
+) -> Dict[str, Any]:
+ info: Dict[str, Any] = {"title": title, "version": version}
+ if summary:
+ info["summary"] = summary
+ if description:
+ info["description"] = description
+ if terms_of_service:
+ info["termsOfService"] = terms_of_service
+ if contact:
+ info["contact"] = contact
+ if license_info:
+ info["license"] = license_info
+ output: Dict[str, Any] = {"openapi": openapi_version, "info": info}
+ if servers:
+ output["servers"] = servers
+ components: Dict[str, Dict[str, Any]] = {}
+ paths: Dict[str, Dict[str, Any]] = {}
+ webhook_paths: Dict[str, Dict[str, Any]] = {}
+ operation_ids: Set[str] = set()
+ all_fields = get_fields_from_routes(list(routes or []) + list(webhooks or []))
+ model_name_map = get_compat_model_name_map(all_fields)
+ schema_generator = GenerateJsonSchema(ref_template=REF_TEMPLATE)
+ field_mapping, definitions = get_definitions(
+ fields=all_fields,
+ schema_generator=schema_generator,
+ model_name_map=model_name_map,
+ separate_input_output_schemas=separate_input_output_schemas,
+ )
+ for route in routes or []:
+ if isinstance(route, routing.APIRoute):
+ result = get_openapi_path(
+ route=route,
+ operation_ids=operation_ids,
+ schema_generator=schema_generator,
+ model_name_map=model_name_map,
+ field_mapping=field_mapping,
+ separate_input_output_schemas=separate_input_output_schemas,
+ )
+ if result:
+ path, security_schemes, path_definitions = result
+ if path:
+ paths.setdefault(route.path_format, {}).update(path)
+ if security_schemes:
+ components.setdefault("securitySchemes", {}).update(
+ security_schemes
+ )
+ if path_definitions:
+ definitions.update(path_definitions)
+ for webhook in webhooks or []:
+ if isinstance(webhook, routing.APIRoute):
+ result = get_openapi_path(
+ route=webhook,
+ operation_ids=operation_ids,
+ schema_generator=schema_generator,
+ model_name_map=model_name_map,
+ field_mapping=field_mapping,
+ separate_input_output_schemas=separate_input_output_schemas,
+ )
+ if result:
+ path, security_schemes, path_definitions = result
+ if path:
+ webhook_paths.setdefault(webhook.path_format, {}).update(path)
+ if security_schemes:
+ components.setdefault("securitySchemes", {}).update(
+ security_schemes
+ )
+ if path_definitions:
+ definitions.update(path_definitions)
+ if definitions:
+ components["schemas"] = {k: definitions[k] for k in sorted(definitions)}
+ if components:
+ output["components"] = components
+ output["paths"] = paths
+ if webhook_paths:
+ output["webhooks"] = webhook_paths
+ if tags:
+ output["tags"] = tags
+ return jsonable_encoder(OpenAPI(**output), by_alias=True, exclude_none=True) # type: ignore