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HMAC Key Metadata

class google.cloud.storage.hmac_key.HMACKeyMetadata(client, access_id=None, project_id=None, user_project=None)

Bases: object

Metadata about an HMAC service account key withn Cloud Storage.

• Parameters

  • client (Client) – client associated with the key metadata.

  • access_id (str) – (Optional) Unique ID of an existing key.

  • project_id (str) – (Optional) Project ID of an existing key. Defaults to client’s project.

  • user_project (str) – (Optional) This parameter is currently ignored.

ACTIVE_STATE( = 'ACTIVE )

Key is active, and may be used to sign requests.

DELETED_STATE( = 'DELETED )

Key is deleted. It cannot be re-activated.

INACTIVE_STATE( = 'INACTIVE )

Key is inactive, and may not be used to sign requests.

It can be re-activated via update().

property access_id()

Access ID of the key.

• Return type

  str or None

• Returns

  unique identifier of the key within a project.

delete(timeout=60)

Delete the key from Cloud Storage.

• Parameters

  timeout (float* or [tuple*](https://python.readthedocs.io/en/latest/library/stdtypes.html#tuple)) – (Optional) The amount of time, in seconds, to wait for the server response.

  Can also be passed as a tuple (connect_timeout, read_timeout). See requests.Session.request() documentation for details.

:raises NotFound:

if the key does not exist on the back-end.

property etag()

ETag identifying the version of the key metadata.

• Return type

  str or None

• Returns

  ETag for the version of the key’s metadata.

exists(timeout=60)

Determine whether or not the key for this metadata exists.

• Parameters

  timeout (float* or [tuple*](https://python.readthedocs.io/en/latest/library/stdtypes.html#tuple)) – (Optional) The amount of time, in seconds, to wait for the server response.

  Can also be passed as a tuple (connect_timeout, read_timeout). See requests.Session.request() documentation for details.

• Return type

  bool

• Returns

  True if the key exists in Cloud Storage.

property id()

ID of the key, including the Project ID and the Access ID.

• Return type

  str or None

• Returns

  ID of the key.

property path()

Resource path for the metadata’s key.

property project()

Project ID associated with the key.

• Return type

  str or None

• Returns

  project identfier for the key.

reload(timeout=60)

Reload properties from Cloud Storage.

• Parameters

  timeout (float* or [tuple*](https://python.readthedocs.io/en/latest/library/stdtypes.html#tuple)) – (Optional) The amount of time, in seconds, to wait for the server response.

  Can also be passed as a tuple (connect_timeout, read_timeout). See requests.Session.request() documentation for details.

:raises NotFound:

if the key does not exist on the back-end.

property service_account_email()

Service account e-mail address associated with the key.

• Return type

  str or None

• Returns

  e-mail address for the service account which created the key.

property state()

Get / set key’s state.

One of:

* `ACTIVE`


* `INACTIVE`


* `DELETED`

• Return type

  str or None

• Returns

  key’s current state.

property time_created()

Retrieve the timestamp at which the HMAC key was created.

• Return type

  datetime.datetime or NoneType

• Returns

  Datetime object parsed from RFC3339 valid timestamp, or None if the bucket’s resource has not been loaded from the server.

update(timeout=60)

Save writable properties to Cloud Storage.

• Parameters

  timeout (float* or [tuple*](https://python.readthedocs.io/en/latest/library/stdtypes.html#tuple)) – (Optional) The amount of time, in seconds, to wait for the server response.

  Can also be passed as a tuple (connect_timeout, read_timeout). See requests.Session.request() documentation for details.

:raises NotFound:

if the key does not exist on the back-end.

property updated()

Retrieve the timestamp at which the HMAC key was created.

• Return type

  datetime.datetime or NoneType

• Returns

  Datetime object parsed from RFC3339 valid timestamp, or None if the bucket’s resource has not been loaded from the server.

property user_project()

Project ID to be billed for API requests made via this bucket.

This property is currently ignored by the server.

• Return type

  str