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# Exemple de code pour les pools Kinesis Video Streams pour les pipelines de flux multimédia du SDK Amazon Chime
<a name="pool-creation-code"></a>

Les exemples suivants montrent comment créer, mettre à jour, obtenir, répertorier et supprimer des pools Kinesis Video Streams (KVS). Agrandissez chaque section pour plus d’informations.

## Importations et variables communes
<a name="imports-variables"></a>

```
'''
Define imports and common variables
'''

import boto3
from uuid import uuid4
import json

client = boto3.client("chime-sdk-media-pipelines", region_name='us-east-1')
pool_name = 'MyDemoKvsPool'

def pretty_print_json(obj):
    print(json.dumps(obj, default=str, indent=4))
```

## CreateMediaPipelineKinesisVideoStreamPool
<a name="create-stream-sample"></a>

```
response = client.create_media_pipeline_kinesis_video_stream_pool(
        StreamConfiguration={
            'Region': 'us-east-1',
            'DataRetentionInHours': 24
        },
        PoolName=pool_name,
        ClientRequestToken=str(uuid4()),
        Tags=[
            {
                'Key': 'MyTagForAccessControl',
                'Value': 'SomeTagValue'
            },
        ]
)

pretty_print_json(response['KinesisVideoStreamPoolConfiguration'])
```

**Sortie** :

```
{
    "PoolArn": "arn:aws:chime:us-east-1:account-ID:media-pipeline-kinesis-video-stream-pool/MyDemoKvsPool",
    "PoolName": "MyDemoKvsPool",
    "PoolId": "ChimeMediaPipelines-MyDemoKvsPool-1f4e1a69-e718-4884-bf92-8a393ac0405b",
    "PoolStatus": "CREATING",
    "StreamConfiguration": {
        "Region": "us-east-1",
        "DataRetentionInHours": 24
    },
    "CreatedTimestamp": "2023-10-13 01:26:09.979000+00:00",
    "UpdatedTimestamp": "2023-10-13 01:26:09.979000+00:00"
}
```

## GetMediaPipelineKinesisVideoStream
<a name="get-stream-sample"></a>

```
response = client.get_media_pipeline_kinesis_video_stream_pool(
        Identifier=pool_name
)

pretty_print_json(response['KinesisVideoStreamPoolConfiguration'])
```

**Sortie** :

```
{
    "PoolArn": "arn:aws:chime:us-east-1:account-ID:media-pipeline-kinesis-video-stream-pool/MyDemoKvsPool",
    "PoolName": "MyDemoKvsPool",
    "PoolId": "ChimeMediaPipelines-MyDemoKvsPool-1f4e1a69-e718-4884-bf92-8a393ac0405b",
    "PoolStatus": "ACTIVE",
    "StreamConfiguration": {
        "Region": "us-east-1",
        "DataRetentionInHours": 24
    },
    "CreatedTimestamp": "2023-10-13 01:26:09.979000+00:00",
    "UpdatedTimestamp": "2023-10-13 01:26:09.979000+00:00"
}
```

## UpdateMediaPipelineKinesisVideoStream
<a name="update-stream-sample"></a>

```
response = client.update_media_pipeline_kinesis_video_stream_pool(
    Identifier=pool_name,
    StreamConfiguration={
        'DataRetentionInHours': 48
    }
)
pretty_print_json(response['KinesisVideoStreamPoolConfiguration'])
```

**Sortie** :

```
{
    "PoolArn": "arn:aws:chime:us-east-1:account-ID:media-pipeline-kinesis-video-stream-pool/MyDemoKvsPool",
    "PoolName": "MyDemoKvsPool",
    "PoolId": "ChimeMediaPipelines-MyDemoKvsPool-d08c26ae-0336-4e2e-acdf-805a7d71b891",
    "PoolStatus": "UPDATING",
    "PoolSize": 40,
    "StreamConfiguration": {
        "Region": "us-east-1",
        "DataRetentionInHours": 48
    },
    "CreatedTimestamp": "2023-10-13 01:44:23.010000+00:00",
    "UpdatedTimestamp": "2023-10-13 01:44:28.486000+00:00"
}
```

## ListMediaPipelineKinesisVideoStream
<a name="list-stream-sample"></a>

```
list_of_pools = []
max_results = 100
next_token = None
while(True):
    if next_token:
        response = client.list_media_pipeline_kinesis_video_stream_pools(
            NextToken=next_token,
            MaxResults=max_results
        )
    else:
        response = client.list_media_pipeline_kinesis_video_stream_pools(
            MaxResults=max_results
        )

    list_of_pools.extend(response['KinesisVideoStreamPools'])
    next_token = response.get('NextToken')
    if not next_token:
        break
pretty_print_json(list_of_pools)
```

**Sortie** :

```
[
    {
        "PoolName": "MyDemoKvsPool",
        "PoolId": "ChimeMediaPipelines-MyDemoKvsPool-6588e703-f046-4288-ba7f-0c03de76a6bb",
        "PoolArn": "arn:aws:chime:us-east-1:account-ID:media-pipeline-kinesis-video-stream-pool/MyDemoKvsPool"
    }
]
```

## DeleteMediaPipelineKinesisVideoStream
<a name="delete-stream-sample"></a>

```
client.delete_media_pipeline_kinesis_video_stream_pool(
    Identifier=pool_name
)
```

**Résultat** : Une `delete_media_pipeline_kinesis_video_stream_pool` demande réussie n'a pas de corps.