PURGE=$3 VERSIONING=$4 OBJECTLOCKING=$5 # Purge the bucket, if set & exists # Since PURGE is user input, check explicitly for `true` if [ $PURGE = true ]; then if checkBucketExists $BUCKET; then echo "Purging bucket '$BUCKET'." set +e # don't exit if this fails ${MC} rm -r --force myminio/$BUCKET set -e # reset `e` as active else echo "Bucket '$BUCKET' does not exist, skipping purge." fi fi # Create the bucket if it does not exist and set objectlocking if enabled (NOTE: versioning will be not changed...

					db.Statement.ReflectValue.Set(reflect.Zero(reflectValue.Type()))
				} else {
					// if the slice cap is externally initialized, the externally initialized slice is directly used here
					if reflectValue.Cap() == 0 {
						db.Statement.ReflectValue.Set(reflect.MakeSlice(reflectValue.Type(), 0, 20))
					} else {
						reflectValue.SetLen(0)
						db.Statement.ReflectValue.Set(reflectValue)
					}
				}
			}

from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None
    tags: set[str] = set()


@app.post("/items/", response_model=Item, summary="Create an item")
async def create_item(item: Item):
    """
    Create an item with all the information:

    - **name**: each item must have a name

Provide a name to substitute for the full names of resources ## fullnameOverride: "" ## set kubernetes cluster domain where minio is running ## clusterDomain: cluster.local ## Set default image, imageTag, and imagePullPolicy. mode is used to indicate the ## image: repository: quay.io/minio/minio tag: RELEASE.2021-12-29T06-49-06Z pullPolicy: IfNotPresent imagePullSecrets: [] # - name: "image-pull-secret" ## Set default image, imageTag, and imagePullPolicy for the `mc` (the minio ## client used to create...

Provide a name to substitute for the full names of resources ## fullnameOverride: "" ## set kubernetes cluster domain where minio is running ## clusterDomain: cluster.local ## Set default image, imageTag, and imagePullPolicy. mode is used to indicate the ## image: repository: quay.io/minio/minio tag: RELEASE.2021-12-29T06-49-06Z pullPolicy: IfNotPresent imagePullSecrets: [] # - name: "image-pull-secret" ## Set default image, imageTag, and imagePullPolicy for the `mc` (the minio ## client used to create...

Provide a name to substitute for the full names of resources ## fullnameOverride: "" ## set kubernetes cluster domain where minio is running ## clusterDomain: cluster.local ## Set default image, imageTag, and imagePullPolicy. mode is used to indicate the ## image: repository: quay.io/minio/minio tag: RELEASE.2021-12-29T06-49-06Z pullPolicy: IfNotPresent imagePullSecrets: [] # - name: "image-pull-secret" ## Set default image, imageTag, and imagePullPolicy for the `mc` (the minio ## client used to create...

Provide a name to substitute for the full names of resources ## fullnameOverride: "" ## set kubernetes cluster domain where minio is running ## clusterDomain: cluster.local ## Set default image, imageTag, and imagePullPolicy. mode is used to indicate the ## image: repository: quay.io/minio/minio tag: RELEASE.2022-03-11T23-57-45Z pullPolicy: IfNotPresent imagePullSecrets: [] # - name: "image-pull-secret" ## Set default image, imageTag, and imagePullPolicy for the `mc` (the minio ## client used to create...

Provide a name to substitute for the full names of resources ## fullnameOverride: "" ## set kubernetes cluster domain where minio is running ## clusterDomain: cluster.local ## Set default image, imageTag, and imagePullPolicy. mode is used to indicate the ## image: repository: quay.io/minio/minio tag: RELEASE.2021-12-20T22-07-16Z pullPolicy: IfNotPresent imagePullSecrets: [] # - name: "image-pull-secret" ## Set default image, imageTag, and imagePullPolicy for the `mc` (the minio ## client used to create...

    name: str
    description: str | None = None
    price: float
    tax: float | None = None
    tags: set[str] = set()


@app.post(
    "/items/",
    response_model=Item,
    summary="Create an item",
    description="Create an item with all the information, name, description, price, tax and a set of unique tags",
)
async def create_item(item: Item):

```Python hl_lines="31  37"
{!../../docs_src/response_model/tutorial005.py!}
```

/// tip

`{"name", "description"}` 语法创建一个具有这两个值的 `set`。

等同于 `set(["name", "description"])`。

///

#### 使用 `list` 而不是 `set`

如果你忘记使用 `set` 而是使用 `list` 或 `tuple`，FastAPI 仍会将其转换为 `set` 并且正常工作：

```Python hl_lines="31  37"
{!../../docs_src/response_model/tutorial006.py!}
```

## 总结