> ## Documentation Index
> Fetch the complete documentation index at: https://docs.prefect.io/llms.txt
> Use this file to discover all available pages before exploring further.

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# leasing

# `prefect.server.utilities.leasing`

## Classes

### `ResourceLease` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/server/utilities/leasing.py#L13" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

### `LeaseStorage` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/server/utilities/leasing.py#L21" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

**Methods:**

#### `create_lease` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/server/utilities/leasing.py#L22" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python  theme={null}
create_lease(self, resource_ids: list[UUID], ttl: timedelta, metadata: T | None = None) -> ResourceLease[T]
```

Create a new resource lease.

**Args:**

* `resource_ids`: The IDs of the resources that the lease is associated with.
* `ttl`: How long the lease should initially be held for.
* `metadata`: Additional metadata associated with the lease.

**Returns:**

* A ResourceLease object representing the lease.

#### `read_expired_lease_ids` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/server/utilities/leasing.py#L74" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python  theme={null}
read_expired_lease_ids(self, limit: int = 100) -> list[UUID]
```

Read the IDs of expired leases.

**Args:**

* `limit`: The maximum number of expired leases to read.

**Returns:**

* A list of UUIDs representing the expired leases.

#### `read_lease` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/server/utilities/leasing.py#L38" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python  theme={null}
read_lease(self, lease_id: UUID) -> ResourceLease[T] | None
```

Read a resource lease.

**Args:**

* `lease_id`: The ID of the lease to read.

**Returns:**

* A ResourceLease object representing the lease, or None if not found.

#### `renew_lease` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/server/utilities/leasing.py#L50" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python  theme={null}
renew_lease(self, lease_id: UUID, ttl: timedelta) -> bool | None
```

Renew a resource lease.

**Args:**

* `lease_id`: The ID of the lease to renew.
* `ttl`: The new amount of time the lease should be held for.

**Returns:**

* True if the lease was successfully renewed, False if the lease
* does not exist or has already expired. None may be returned by
* legacy implementations for backwards compatibility (treated as success).

#### `revoke_lease` <sup><a href="https://github.com/PrefectHQ/prefect/blob/main/src/prefect/server/utilities/leasing.py#L65" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python  theme={null}
revoke_lease(self, lease_id: UUID) -> None
```

Release a resource lease by removing it from list of active leases.

**Args:**

* `lease_id`: The ID of the lease to release.


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