# Cloud Storage JSON API . objects

## Instance Methods

Concatenates a list of existing objects into a new object in the same bucket.

Concatenates a list of existing objects into a new object in the same bucket.

Copies an object to a destination in the same location. Optionally overrides metadata.

Copies an object to a destination in the same location. Optionally overrides metadata.

Deletes data blobs and associated metadata. Deletions are permanent if versioning is not enabled for the bucket, or if the generation parameter is used.

Retrieves objects or their associated metadata.

Retrieves objects or their associated metadata.

Stores new data blobs and associated metadata.

Stores new data blobs and associated metadata.

Retrieves a list of objects matching the criteria.

Retrieves the next page of results.

Updates a data blob's associated metadata. This method supports patch semantics.

Updates a data blob's associated metadata.

Updates a data blob's associated metadata.

Watch for changes on all objects in a bucket.

### Method Details

`compose(destinationBucket, destinationObject, body=None, ifGenerationMatch=None, ifMetagenerationMatch=None)`

    Concatenates a list of existing objects into a new object in the same bucket.

    Args:
      destinationBucket: string, Name of the bucket containing the source objects. The destination object is stored in this bucket. (required)
      destinationObject: string, Name of the new object. (required)
      body: object, The request body.
        The object takes the form of:

    { # A Compose request.
        "destination": { # An object. # Properties of the resulting object
          "acl": [ # Access controls on the object.
            { # An access-control entry.
              "bucket": "A String", # The name of the bucket.
              "domain": "A String", # The domain associated with the entity, if any.
              "email": "A String", # The email address associated with the entity, if any.
              "entity": "A String", # The entity holding the permission, in one of the following forms:
                  # - user-userId
                  # - user-email
                  # - group-groupId
                  # - group-email
                  # - domain-domain
                  # - allUsers
                  # - allAuthenticatedUsers Examples:
                  # - The user liz@example.com would be user-liz@example.com.
                  # - The group example@googlegroups.com would be group-example@googlegroups.com.
                  # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
              "entityId": "A String", # The ID for the entity, if any.
              "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
              "generation": "A String", # The content generation of the object.
              "id": "A String", # The ID of the access-control entry.
              "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
              "object": "A String", # The name of the object.
              "role": "A String", # The access permission for the entity. Can be READER or OWNER.
              "selfLink": "A String", # The link to this access-control entry.
            },
          ],
          "bucket": "A String", # The bucket containing this object.
          "cacheControl": "A String", # Cache-Control directive for the object data.
          "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
          "contentDisposition": "A String", # Content-Disposition of the object data.
          "contentEncoding": "A String", # Content-Encoding of the object data.
          "contentLanguage": "A String", # Content-Language of the object data.
          "contentType": "A String", # Content-Type of the object data.
          "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
          "etag": "A String", # HTTP 1.1 Entity tag for the object.
          "generation": "A String", # The content generation of this object. Used for object versioning.
          "id": "A String", # The ID of the object.
          "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
          "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
          "mediaLink": "A String", # Media download link.
          "metadata": { # User-provided metadata, in key/value pairs.
            "a_key": "A String", # An individual metadata entry.
          },
          "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
          "name": "A String", # The name of this object. Required if not specified by URL parameter.
          "owner": { # The owner of the object. This will always be the uploader of the object.
            "entity": "A String", # The entity, in the form user-userId.
            "entityId": "A String", # The ID for the entity.
          },
          "selfLink": "A String", # The link to this object.
          "size": "A String", # Content-Length of the data in bytes.
          "storageClass": "A String", # Storage class of the object.
          "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
          "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
        },
        "kind": "storage#composeRequest", # The kind of item this is.
        "sourceObjects": [ # The list of source objects that will be concatenated into a single object.
          {
            "generation": "A String", # The generation of this object to use as the source.
            "name": "A String", # The source object's name. All source objects must reside in the same bucket.
            "objectPreconditions": { # Conditions that must be met for this operation to execute.
              "ifGenerationMatch": "A String", # Only perform the composition if the generation of the source object that would be used matches this value. If this value and a generation are both specified, they must be the same value or the call will fail.
            },
          },
        ],
      }

      ifGenerationMatch: string, Makes the operation conditional on whether the object's current generation matches the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the object's current metageneration matches the given value.

    Returns:
      An object of the form:

        { # An object.
        "acl": [ # Access controls on the object.
          { # An access-control entry.
            "bucket": "A String", # The name of the bucket.
            "domain": "A String", # The domain associated with the entity, if any.
            "email": "A String", # The email address associated with the entity, if any.
            "entity": "A String", # The entity holding the permission, in one of the following forms:
                # - user-userId
                # - user-email
                # - group-groupId
                # - group-email
                # - domain-domain
                # - allUsers
                # - allAuthenticatedUsers Examples:
                # - The user liz@example.com would be user-liz@example.com.
                # - The group example@googlegroups.com would be group-example@googlegroups.com.
                # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
            "entityId": "A String", # The ID for the entity, if any.
            "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
            "generation": "A String", # The content generation of the object.
            "id": "A String", # The ID of the access-control entry.
            "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
            "object": "A String", # The name of the object.
            "role": "A String", # The access permission for the entity. Can be READER or OWNER.
            "selfLink": "A String", # The link to this access-control entry.
          },
        ],
        "bucket": "A String", # The bucket containing this object.
        "cacheControl": "A String", # Cache-Control directive for the object data.
        "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
        "contentDisposition": "A String", # Content-Disposition of the object data.
        "contentEncoding": "A String", # Content-Encoding of the object data.
        "contentLanguage": "A String", # Content-Language of the object data.
        "contentType": "A String", # Content-Type of the object data.
        "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
        "etag": "A String", # HTTP 1.1 Entity tag for the object.
        "generation": "A String", # The content generation of this object. Used for object versioning.
        "id": "A String", # The ID of the object.
        "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
        "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
        "mediaLink": "A String", # Media download link.
        "metadata": { # User-provided metadata, in key/value pairs.
          "a_key": "A String", # An individual metadata entry.
        },
        "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
        "name": "A String", # The name of this object. Required if not specified by URL parameter.
        "owner": { # The owner of the object. This will always be the uploader of the object.
          "entity": "A String", # The entity, in the form user-userId.
          "entityId": "A String", # The ID for the entity.
        },
        "selfLink": "A String", # The link to this object.
        "size": "A String", # Content-Length of the data in bytes.
        "storageClass": "A String", # Storage class of the object.
        "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
        "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
      }

`compose_media(destinationBucket, destinationObject, body=None, ifGenerationMatch=None, ifMetagenerationMatch=None)`

    Concatenates a list of existing objects into a new object in the same bucket.

    Args:
      destinationBucket: string, Name of the bucket containing the source objects. The destination object is stored in this bucket. (required)
      destinationObject: string, Name of the new object. (required)
      body: object, The request body.
        The object takes the form of:

    { # A Compose request.
        "destination": { # An object. # Properties of the resulting object
          "acl": [ # Access controls on the object.
            { # An access-control entry.
              "bucket": "A String", # The name of the bucket.
              "domain": "A String", # The domain associated with the entity, if any.
              "email": "A String", # The email address associated with the entity, if any.
              "entity": "A String", # The entity holding the permission, in one of the following forms:
                  # - user-userId
                  # - user-email
                  # - group-groupId
                  # - group-email
                  # - domain-domain
                  # - allUsers
                  # - allAuthenticatedUsers Examples:
                  # - The user liz@example.com would be user-liz@example.com.
                  # - The group example@googlegroups.com would be group-example@googlegroups.com.
                  # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
              "entityId": "A String", # The ID for the entity, if any.
              "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
              "generation": "A String", # The content generation of the object.
              "id": "A String", # The ID of the access-control entry.
              "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
              "object": "A String", # The name of the object.
              "role": "A String", # The access permission for the entity. Can be READER or OWNER.
              "selfLink": "A String", # The link to this access-control entry.
            },
          ],
          "bucket": "A String", # The bucket containing this object.
          "cacheControl": "A String", # Cache-Control directive for the object data.
          "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
          "contentDisposition": "A String", # Content-Disposition of the object data.
          "contentEncoding": "A String", # Content-Encoding of the object data.
          "contentLanguage": "A String", # Content-Language of the object data.
          "contentType": "A String", # Content-Type of the object data.
          "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
          "etag": "A String", # HTTP 1.1 Entity tag for the object.
          "generation": "A String", # The content generation of this object. Used for object versioning.
          "id": "A String", # The ID of the object.
          "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
          "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
          "mediaLink": "A String", # Media download link.
          "metadata": { # User-provided metadata, in key/value pairs.
            "a_key": "A String", # An individual metadata entry.
          },
          "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
          "name": "A String", # The name of this object. Required if not specified by URL parameter.
          "owner": { # The owner of the object. This will always be the uploader of the object.
            "entity": "A String", # The entity, in the form user-userId.
            "entityId": "A String", # The ID for the entity.
          },
          "selfLink": "A String", # The link to this object.
          "size": "A String", # Content-Length of the data in bytes.
          "storageClass": "A String", # Storage class of the object.
          "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
          "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
        },
        "kind": "storage#composeRequest", # The kind of item this is.
        "sourceObjects": [ # The list of source objects that will be concatenated into a single object.
          {
            "generation": "A String", # The generation of this object to use as the source.
            "name": "A String", # The source object's name. All source objects must reside in the same bucket.
            "objectPreconditions": { # Conditions that must be met for this operation to execute.
              "ifGenerationMatch": "A String", # Only perform the composition if the generation of the source object that would be used matches this value. If this value and a generation are both specified, they must be the same value or the call will fail.
            },
          },
        ],
      }

      ifGenerationMatch: string, Makes the operation conditional on whether the object's current generation matches the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the object's current metageneration matches the given value.

    Returns:
      The media object as a string.

`copy(sourceBucket, sourceObject, destinationBucket, destinationObject, body=None, ifGenerationMatch=None, ifGenerationNotMatch=None, ifMetagenerationMatch=None, ifMetagenerationNotMatch=None, ifSourceGenerationMatch=None, ifSourceGenerationNotMatch=None, ifSourceMetagenerationMatch=None, ifSourceMetagenerationNotMatch=None, projection=None, sourceGeneration=None)`

    Copies an object to a destination in the same location. Optionally overrides metadata.

    Args:
      sourceBucket: string, Name of the bucket in which to find the source object. (required)
      sourceObject: string, Name of the source object. (required)
      destinationBucket: string, Name of the bucket in which to store the new object. Overrides the provided object metadata's bucket value, if any. (required)
      destinationObject: string, Name of the new object. Required when the object metadata is not otherwise provided. Overrides the object metadata's name value, if any. (required)
      body: object, The request body.
        The object takes the form of:

    { # An object.
      "acl": [ # Access controls on the object.
        { # An access-control entry.
          "bucket": "A String", # The name of the bucket.
          "domain": "A String", # The domain associated with the entity, if any.
          "email": "A String", # The email address associated with the entity, if any.
          "entity": "A String", # The entity holding the permission, in one of the following forms:
              # - user-userId
              # - user-email
              # - group-groupId
              # - group-email
              # - domain-domain
              # - allUsers
              # - allAuthenticatedUsers Examples:
              # - The user liz@example.com would be user-liz@example.com.
              # - The group example@googlegroups.com would be group-example@googlegroups.com.
              # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
          "entityId": "A String", # The ID for the entity, if any.
          "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
          "generation": "A String", # The content generation of the object.
          "id": "A String", # The ID of the access-control entry.
          "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
          "object": "A String", # The name of the object.
          "role": "A String", # The access permission for the entity. Can be READER or OWNER.
          "selfLink": "A String", # The link to this access-control entry.
        },
      ],
      "bucket": "A String", # The bucket containing this object.
      "cacheControl": "A String", # Cache-Control directive for the object data.
      "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
      "contentDisposition": "A String", # Content-Disposition of the object data.
      "contentEncoding": "A String", # Content-Encoding of the object data.
      "contentLanguage": "A String", # Content-Language of the object data.
      "contentType": "A String", # Content-Type of the object data.
      "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
      "etag": "A String", # HTTP 1.1 Entity tag for the object.
      "generation": "A String", # The content generation of this object. Used for object versioning.
      "id": "A String", # The ID of the object.
      "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
      "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
      "mediaLink": "A String", # Media download link.
      "metadata": { # User-provided metadata, in key/value pairs.
        "a_key": "A String", # An individual metadata entry.
      },
      "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
      "name": "A String", # The name of this object. Required if not specified by URL parameter.
      "owner": { # The owner of the object. This will always be the uploader of the object.
        "entity": "A String", # The entity, in the form user-userId.
        "entityId": "A String", # The ID for the entity.
      },
      "selfLink": "A String", # The link to this object.
      "size": "A String", # Content-Length of the data in bytes.
      "storageClass": "A String", # Storage class of the object.
      "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
      "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
    }

      ifGenerationMatch: string, Makes the operation conditional on whether the destination object's current generation matches the given value.
      ifGenerationNotMatch: string, Makes the operation conditional on whether the destination object's current generation does not match the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the destination object's current metageneration matches the given value.
      ifMetagenerationNotMatch: string, Makes the operation conditional on whether the destination object's current metageneration does not match the given value.
      ifSourceGenerationMatch: string, Makes the operation conditional on whether the source object's generation matches the given value.
      ifSourceGenerationNotMatch: string, Makes the operation conditional on whether the source object's generation does not match the given value.
      ifSourceMetagenerationMatch: string, Makes the operation conditional on whether the source object's current metageneration matches the given value.
      ifSourceMetagenerationNotMatch: string, Makes the operation conditional on whether the source object's current metageneration does not match the given value.
      projection: string, Set of properties to return. Defaults to noAcl, unless the object resource specifies the acl property, when it defaults to full.
        Allowed values
          full - Include all properties.
          noAcl - Omit the acl property.
      sourceGeneration: string, If present, selects a specific revision of the source object (as opposed to the latest version, the default).

    Returns:
      An object of the form:

        { # An object.
        "acl": [ # Access controls on the object.
          { # An access-control entry.
            "bucket": "A String", # The name of the bucket.
            "domain": "A String", # The domain associated with the entity, if any.
            "email": "A String", # The email address associated with the entity, if any.
            "entity": "A String", # The entity holding the permission, in one of the following forms:
                # - user-userId
                # - user-email
                # - group-groupId
                # - group-email
                # - domain-domain
                # - allUsers
                # - allAuthenticatedUsers Examples:
                # - The user liz@example.com would be user-liz@example.com.
                # - The group example@googlegroups.com would be group-example@googlegroups.com.
                # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
            "entityId": "A String", # The ID for the entity, if any.
            "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
            "generation": "A String", # The content generation of the object.
            "id": "A String", # The ID of the access-control entry.
            "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
            "object": "A String", # The name of the object.
            "role": "A String", # The access permission for the entity. Can be READER or OWNER.
            "selfLink": "A String", # The link to this access-control entry.
          },
        ],
        "bucket": "A String", # The bucket containing this object.
        "cacheControl": "A String", # Cache-Control directive for the object data.
        "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
        "contentDisposition": "A String", # Content-Disposition of the object data.
        "contentEncoding": "A String", # Content-Encoding of the object data.
        "contentLanguage": "A String", # Content-Language of the object data.
        "contentType": "A String", # Content-Type of the object data.
        "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
        "etag": "A String", # HTTP 1.1 Entity tag for the object.
        "generation": "A String", # The content generation of this object. Used for object versioning.
        "id": "A String", # The ID of the object.
        "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
        "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
        "mediaLink": "A String", # Media download link.
        "metadata": { # User-provided metadata, in key/value pairs.
          "a_key": "A String", # An individual metadata entry.
        },
        "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
        "name": "A String", # The name of this object. Required if not specified by URL parameter.
        "owner": { # The owner of the object. This will always be the uploader of the object.
          "entity": "A String", # The entity, in the form user-userId.
          "entityId": "A String", # The ID for the entity.
        },
        "selfLink": "A String", # The link to this object.
        "size": "A String", # Content-Length of the data in bytes.
        "storageClass": "A String", # Storage class of the object.
        "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
        "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
      }

`copy_media(sourceBucket, sourceObject, destinationBucket, destinationObject, body=None, ifGenerationMatch=None, ifGenerationNotMatch=None, ifMetagenerationMatch=None, ifMetagenerationNotMatch=None, ifSourceGenerationMatch=None, ifSourceGenerationNotMatch=None, ifSourceMetagenerationMatch=None, ifSourceMetagenerationNotMatch=None, projection=None, sourceGeneration=None)`

    Copies an object to a destination in the same location. Optionally overrides metadata.

    Args:
      sourceBucket: string, Name of the bucket in which to find the source object. (required)
      sourceObject: string, Name of the source object. (required)
      destinationBucket: string, Name of the bucket in which to store the new object. Overrides the provided object metadata's bucket value, if any. (required)
      destinationObject: string, Name of the new object. Required when the object metadata is not otherwise provided. Overrides the object metadata's name value, if any. (required)
      body: object, The request body.
        The object takes the form of:

    { # An object.
      "acl": [ # Access controls on the object.
        { # An access-control entry.
          "bucket": "A String", # The name of the bucket.
          "domain": "A String", # The domain associated with the entity, if any.
          "email": "A String", # The email address associated with the entity, if any.
          "entity": "A String", # The entity holding the permission, in one of the following forms:
              # - user-userId
              # - user-email
              # - group-groupId
              # - group-email
              # - domain-domain
              # - allUsers
              # - allAuthenticatedUsers Examples:
              # - The user liz@example.com would be user-liz@example.com.
              # - The group example@googlegroups.com would be group-example@googlegroups.com.
              # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
          "entityId": "A String", # The ID for the entity, if any.
          "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
          "generation": "A String", # The content generation of the object.
          "id": "A String", # The ID of the access-control entry.
          "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
          "object": "A String", # The name of the object.
          "role": "A String", # The access permission for the entity. Can be READER or OWNER.
          "selfLink": "A String", # The link to this access-control entry.
        },
      ],
      "bucket": "A String", # The bucket containing this object.
      "cacheControl": "A String", # Cache-Control directive for the object data.
      "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
      "contentDisposition": "A String", # Content-Disposition of the object data.
      "contentEncoding": "A String", # Content-Encoding of the object data.
      "contentLanguage": "A String", # Content-Language of the object data.
      "contentType": "A String", # Content-Type of the object data.
      "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
      "etag": "A String", # HTTP 1.1 Entity tag for the object.
      "generation": "A String", # The content generation of this object. Used for object versioning.
      "id": "A String", # The ID of the object.
      "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
      "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
      "mediaLink": "A String", # Media download link.
      "metadata": { # User-provided metadata, in key/value pairs.
        "a_key": "A String", # An individual metadata entry.
      },
      "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
      "name": "A String", # The name of this object. Required if not specified by URL parameter.
      "owner": { # The owner of the object. This will always be the uploader of the object.
        "entity": "A String", # The entity, in the form user-userId.
        "entityId": "A String", # The ID for the entity.
      },
      "selfLink": "A String", # The link to this object.
      "size": "A String", # Content-Length of the data in bytes.
      "storageClass": "A String", # Storage class of the object.
      "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
      "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
    }

      ifGenerationMatch: string, Makes the operation conditional on whether the destination object's current generation matches the given value.
      ifGenerationNotMatch: string, Makes the operation conditional on whether the destination object's current generation does not match the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the destination object's current metageneration matches the given value.
      ifMetagenerationNotMatch: string, Makes the operation conditional on whether the destination object's current metageneration does not match the given value.
      ifSourceGenerationMatch: string, Makes the operation conditional on whether the source object's generation matches the given value.
      ifSourceGenerationNotMatch: string, Makes the operation conditional on whether the source object's generation does not match the given value.
      ifSourceMetagenerationMatch: string, Makes the operation conditional on whether the source object's current metageneration matches the given value.
      ifSourceMetagenerationNotMatch: string, Makes the operation conditional on whether the source object's current metageneration does not match the given value.
      projection: string, Set of properties to return. Defaults to noAcl, unless the object resource specifies the acl property, when it defaults to full.
        Allowed values
          full - Include all properties.
          noAcl - Omit the acl property.
      sourceGeneration: string, If present, selects a specific revision of the source object (as opposed to the latest version, the default).

    Returns:
      The media object as a string.

`delete(bucket, object, generation=None, ifGenerationMatch=None, ifGenerationNotMatch=None, ifMetagenerationMatch=None, ifMetagenerationNotMatch=None)`

    Deletes data blobs and associated metadata. Deletions are permanent if versioning is not enabled for the bucket, or if the generation parameter is used.

    Args:
      bucket: string, Name of the bucket in which the object resides. (required)
      object: string, Name of the object. (required)
      generation: string, If present, permanently deletes a specific revision of this object (as opposed to the latest version, the default).
      ifGenerationMatch: string, Makes the operation conditional on whether the object's current generation matches the given value.
      ifGenerationNotMatch: string, Makes the operation conditional on whether the object's current generation does not match the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the object's current metageneration matches the given value.
      ifMetagenerationNotMatch: string, Makes the operation conditional on whether the object's current metageneration does not match the given value.

`get(bucket, object, generation=None, ifGenerationMatch=None, ifGenerationNotMatch=None, ifMetagenerationMatch=None, ifMetagenerationNotMatch=None, projection=None)`

    Retrieves objects or their associated metadata.

    Args:
      bucket: string, Name of the bucket in which the object resides. (required)
      object: string, Name of the object. (required)
      generation: string, If present, selects a specific revision of this object (as opposed to the latest version, the default).
      ifGenerationMatch: string, Makes the operation conditional on whether the object's generation matches the given value.
      ifGenerationNotMatch: string, Makes the operation conditional on whether the object's generation does not match the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the object's current metageneration matches the given value.
      ifMetagenerationNotMatch: string, Makes the operation conditional on whether the object's current metageneration does not match the given value.
      projection: string, Set of properties to return. Defaults to noAcl.
        Allowed values
          full - Include all properties.
          noAcl - Omit the acl property.

    Returns:
      An object of the form:

        { # An object.
        "acl": [ # Access controls on the object.
          { # An access-control entry.
            "bucket": "A String", # The name of the bucket.
            "domain": "A String", # The domain associated with the entity, if any.
            "email": "A String", # The email address associated with the entity, if any.
            "entity": "A String", # The entity holding the permission, in one of the following forms:
                # - user-userId
                # - user-email
                # - group-groupId
                # - group-email
                # - domain-domain
                # - allUsers
                # - allAuthenticatedUsers Examples:
                # - The user liz@example.com would be user-liz@example.com.
                # - The group example@googlegroups.com would be group-example@googlegroups.com.
                # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
            "entityId": "A String", # The ID for the entity, if any.
            "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
            "generation": "A String", # The content generation of the object.
            "id": "A String", # The ID of the access-control entry.
            "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
            "object": "A String", # The name of the object.
            "role": "A String", # The access permission for the entity. Can be READER or OWNER.
            "selfLink": "A String", # The link to this access-control entry.
          },
        ],
        "bucket": "A String", # The bucket containing this object.
        "cacheControl": "A String", # Cache-Control directive for the object data.
        "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
        "contentDisposition": "A String", # Content-Disposition of the object data.
        "contentEncoding": "A String", # Content-Encoding of the object data.
        "contentLanguage": "A String", # Content-Language of the object data.
        "contentType": "A String", # Content-Type of the object data.
        "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
        "etag": "A String", # HTTP 1.1 Entity tag for the object.
        "generation": "A String", # The content generation of this object. Used for object versioning.
        "id": "A String", # The ID of the object.
        "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
        "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
        "mediaLink": "A String", # Media download link.
        "metadata": { # User-provided metadata, in key/value pairs.
          "a_key": "A String", # An individual metadata entry.
        },
        "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
        "name": "A String", # The name of this object. Required if not specified by URL parameter.
        "owner": { # The owner of the object. This will always be the uploader of the object.
          "entity": "A String", # The entity, in the form user-userId.
          "entityId": "A String", # The ID for the entity.
        },
        "selfLink": "A String", # The link to this object.
        "size": "A String", # Content-Length of the data in bytes.
        "storageClass": "A String", # Storage class of the object.
        "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
        "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
      }

`get_media(bucket, object, generation=None, ifGenerationMatch=None, ifGenerationNotMatch=None, ifMetagenerationMatch=None, ifMetagenerationNotMatch=None, projection=None)`

    Retrieves objects or their associated metadata.

    Args:
      bucket: string, Name of the bucket in which the object resides. (required)
      object: string, Name of the object. (required)
      generation: string, If present, selects a specific revision of this object (as opposed to the latest version, the default).
      ifGenerationMatch: string, Makes the operation conditional on whether the object's generation matches the given value.
      ifGenerationNotMatch: string, Makes the operation conditional on whether the object's generation does not match the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the object's current metageneration matches the given value.
      ifMetagenerationNotMatch: string, Makes the operation conditional on whether the object's current metageneration does not match the given value.
      projection: string, Set of properties to return. Defaults to noAcl.
        Allowed values
          full - Include all properties.
          noAcl - Omit the acl property.

    Returns:
      The media object as a string.

`insert(bucket, body=None, ifGenerationMatch=None, ifGenerationNotMatch=None, ifMetagenerationMatch=None, ifMetagenerationNotMatch=None, name=None, projection=None, media_body=None, media_mime_type=None)`

    Stores new data blobs and associated metadata.

    Args:
      bucket: string, Name of the bucket in which to store the new object. Overrides the provided object metadata's bucket value, if any. (required)
      body: object, The request body.
        The object takes the form of:

    { # An object.
      "acl": [ # Access controls on the object.
        { # An access-control entry.
          "bucket": "A String", # The name of the bucket.
          "domain": "A String", # The domain associated with the entity, if any.
          "email": "A String", # The email address associated with the entity, if any.
          "entity": "A String", # The entity holding the permission, in one of the following forms:
              # - user-userId
              # - user-email
              # - group-groupId
              # - group-email
              # - domain-domain
              # - allUsers
              # - allAuthenticatedUsers Examples:
              # - The user liz@example.com would be user-liz@example.com.
              # - The group example@googlegroups.com would be group-example@googlegroups.com.
              # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
          "entityId": "A String", # The ID for the entity, if any.
          "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
          "generation": "A String", # The content generation of the object.
          "id": "A String", # The ID of the access-control entry.
          "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
          "object": "A String", # The name of the object.
          "role": "A String", # The access permission for the entity. Can be READER or OWNER.
          "selfLink": "A String", # The link to this access-control entry.
        },
      ],
      "bucket": "A String", # The bucket containing this object.
      "cacheControl": "A String", # Cache-Control directive for the object data.
      "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
      "contentDisposition": "A String", # Content-Disposition of the object data.
      "contentEncoding": "A String", # Content-Encoding of the object data.
      "contentLanguage": "A String", # Content-Language of the object data.
      "contentType": "A String", # Content-Type of the object data.
      "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
      "etag": "A String", # HTTP 1.1 Entity tag for the object.
      "generation": "A String", # The content generation of this object. Used for object versioning.
      "id": "A String", # The ID of the object.
      "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
      "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
      "mediaLink": "A String", # Media download link.
      "metadata": { # User-provided metadata, in key/value pairs.
        "a_key": "A String", # An individual metadata entry.
      },
      "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
      "name": "A String", # The name of this object. Required if not specified by URL parameter.
      "owner": { # The owner of the object. This will always be the uploader of the object.
        "entity": "A String", # The entity, in the form user-userId.
        "entityId": "A String", # The ID for the entity.
      },
      "selfLink": "A String", # The link to this object.
      "size": "A String", # Content-Length of the data in bytes.
      "storageClass": "A String", # Storage class of the object.
      "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
      "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
    }

      ifGenerationMatch: string, Makes the operation conditional on whether the object's current generation matches the given value.
      ifGenerationNotMatch: string, Makes the operation conditional on whether the object's current generation does not match the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the object's current metageneration matches the given value.
      ifMetagenerationNotMatch: string, Makes the operation conditional on whether the object's current metageneration does not match the given value.
      name: string, Name of the object. Required when the object metadata is not otherwise provided. Overrides the object metadata's name value, if any.
      projection: string, Set of properties to return. Defaults to noAcl, unless the object resource specifies the acl property, when it defaults to full.
        Allowed values
          full - Include all properties.
          noAcl - Omit the acl property.
      media_body: string, The filename of the media request body, or an instance of a MediaUpload object.
      media_mime_type: string, The MIME type of the media request body, or an instance of a MediaUpload object.

    Returns:
      An object of the form:

        { # An object.
        "acl": [ # Access controls on the object.
          { # An access-control entry.
            "bucket": "A String", # The name of the bucket.
            "domain": "A String", # The domain associated with the entity, if any.
            "email": "A String", # The email address associated with the entity, if any.
            "entity": "A String", # The entity holding the permission, in one of the following forms:
                # - user-userId
                # - user-email
                # - group-groupId
                # - group-email
                # - domain-domain
                # - allUsers
                # - allAuthenticatedUsers Examples:
                # - The user liz@example.com would be user-liz@example.com.
                # - The group example@googlegroups.com would be group-example@googlegroups.com.
                # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
            "entityId": "A String", # The ID for the entity, if any.
            "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
            "generation": "A String", # The content generation of the object.
            "id": "A String", # The ID of the access-control entry.
            "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
            "object": "A String", # The name of the object.
            "role": "A String", # The access permission for the entity. Can be READER or OWNER.
            "selfLink": "A String", # The link to this access-control entry.
          },
        ],
        "bucket": "A String", # The bucket containing this object.
        "cacheControl": "A String", # Cache-Control directive for the object data.
        "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
        "contentDisposition": "A String", # Content-Disposition of the object data.
        "contentEncoding": "A String", # Content-Encoding of the object data.
        "contentLanguage": "A String", # Content-Language of the object data.
        "contentType": "A String", # Content-Type of the object data.
        "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
        "etag": "A String", # HTTP 1.1 Entity tag for the object.
        "generation": "A String", # The content generation of this object. Used for object versioning.
        "id": "A String", # The ID of the object.
        "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
        "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
        "mediaLink": "A String", # Media download link.
        "metadata": { # User-provided metadata, in key/value pairs.
          "a_key": "A String", # An individual metadata entry.
        },
        "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
        "name": "A String", # The name of this object. Required if not specified by URL parameter.
        "owner": { # The owner of the object. This will always be the uploader of the object.
          "entity": "A String", # The entity, in the form user-userId.
          "entityId": "A String", # The ID for the entity.
        },
        "selfLink": "A String", # The link to this object.
        "size": "A String", # Content-Length of the data in bytes.
        "storageClass": "A String", # Storage class of the object.
        "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
        "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
      }

`insert_media(bucket, body=None, ifGenerationMatch=None, ifGenerationNotMatch=None, ifMetagenerationMatch=None, ifMetagenerationNotMatch=None, name=None, projection=None, media_body=None, media_mime_type=None)`

    Stores new data blobs and associated metadata.

    Args:
      bucket: string, Name of the bucket in which to store the new object. Overrides the provided object metadata's bucket value, if any. (required)
      body: object, The request body.
        The object takes the form of:

    { # An object.
      "acl": [ # Access controls on the object.
        { # An access-control entry.
          "bucket": "A String", # The name of the bucket.
          "domain": "A String", # The domain associated with the entity, if any.
          "email": "A String", # The email address associated with the entity, if any.
          "entity": "A String", # The entity holding the permission, in one of the following forms:
              # - user-userId
              # - user-email
              # - group-groupId
              # - group-email
              # - domain-domain
              # - allUsers
              # - allAuthenticatedUsers Examples:
              # - The user liz@example.com would be user-liz@example.com.
              # - The group example@googlegroups.com would be group-example@googlegroups.com.
              # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
          "entityId": "A String", # The ID for the entity, if any.
          "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
          "generation": "A String", # The content generation of the object.
          "id": "A String", # The ID of the access-control entry.
          "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
          "object": "A String", # The name of the object.
          "role": "A String", # The access permission for the entity. Can be READER or OWNER.
          "selfLink": "A String", # The link to this access-control entry.
        },
      ],
      "bucket": "A String", # The bucket containing this object.
      "cacheControl": "A String", # Cache-Control directive for the object data.
      "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
      "contentDisposition": "A String", # Content-Disposition of the object data.
      "contentEncoding": "A String", # Content-Encoding of the object data.
      "contentLanguage": "A String", # Content-Language of the object data.
      "contentType": "A String", # Content-Type of the object data.
      "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
      "etag": "A String", # HTTP 1.1 Entity tag for the object.
      "generation": "A String", # The content generation of this object. Used for object versioning.
      "id": "A String", # The ID of the object.
      "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
      "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
      "mediaLink": "A String", # Media download link.
      "metadata": { # User-provided metadata, in key/value pairs.
        "a_key": "A String", # An individual metadata entry.
      },
      "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
      "name": "A String", # The name of this object. Required if not specified by URL parameter.
      "owner": { # The owner of the object. This will always be the uploader of the object.
        "entity": "A String", # The entity, in the form user-userId.
        "entityId": "A String", # The ID for the entity.
      },
      "selfLink": "A String", # The link to this object.
      "size": "A String", # Content-Length of the data in bytes.
      "storageClass": "A String", # Storage class of the object.
      "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
      "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
    }

      ifGenerationMatch: string, Makes the operation conditional on whether the object's current generation matches the given value.
      ifGenerationNotMatch: string, Makes the operation conditional on whether the object's current generation does not match the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the object's current metageneration matches the given value.
      ifMetagenerationNotMatch: string, Makes the operation conditional on whether the object's current metageneration does not match the given value.
      name: string, Name of the object. Required when the object metadata is not otherwise provided. Overrides the object metadata's name value, if any.
      projection: string, Set of properties to return. Defaults to noAcl, unless the object resource specifies the acl property, when it defaults to full.
        Allowed values
          full - Include all properties.
          noAcl - Omit the acl property.
      media_body: string, The filename of the media request body, or an instance of a MediaUpload object.
      media_mime_type: string, The MIME type of the media request body, or an instance of a MediaUpload object.

    Returns:
      The media object as a string.

`list(bucket, delimiter=None, maxResults=None, pageToken=None, prefix=None, projection=None, versions=None)`

    Retrieves a list of objects matching the criteria.

    Args:
      bucket: string, Name of the bucket in which to look for objects. (required)
      delimiter: string, Returns results in a directory-like mode. items will contain only objects whose names, aside from the prefix, do not contain delimiter. Objects whose names, aside from the prefix, contain delimiter will have their name, truncated after the delimiter, returned in prefixes. Duplicate prefixes are omitted.
      maxResults: integer, Maximum number of items plus prefixes to return. As duplicate prefixes are omitted, fewer total results may be returned than requested.
      pageToken: string, A previously-returned page token representing part of the larger set of results to view.
      prefix: string, Filter results to objects whose names begin with this prefix.
      projection: string, Set of properties to return. Defaults to noAcl.
        Allowed values
          full - Include all properties.
          noAcl - Omit the acl property.
      versions: boolean, If true, lists all versions of a file as distinct results.

    Returns:
      An object of the form:

        { # A list of objects.
        "items": [ # The list of items.
          { # An object.
            "acl": [ # Access controls on the object.
              { # An access-control entry.
                "bucket": "A String", # The name of the bucket.
                "domain": "A String", # The domain associated with the entity, if any.
                "email": "A String", # The email address associated with the entity, if any.
                "entity": "A String", # The entity holding the permission, in one of the following forms:
                    # - user-userId
                    # - user-email
                    # - group-groupId
                    # - group-email
                    # - domain-domain
                    # - allUsers
                    # - allAuthenticatedUsers Examples:
                    # - The user liz@example.com would be user-liz@example.com.
                    # - The group example@googlegroups.com would be group-example@googlegroups.com.
                    # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
                "entityId": "A String", # The ID for the entity, if any.
                "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
                "generation": "A String", # The content generation of the object.
                "id": "A String", # The ID of the access-control entry.
                "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
                "object": "A String", # The name of the object.
                "role": "A String", # The access permission for the entity. Can be READER or OWNER.
                "selfLink": "A String", # The link to this access-control entry.
              },
            ],
            "bucket": "A String", # The bucket containing this object.
            "cacheControl": "A String", # Cache-Control directive for the object data.
            "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
            "contentDisposition": "A String", # Content-Disposition of the object data.
            "contentEncoding": "A String", # Content-Encoding of the object data.
            "contentLanguage": "A String", # Content-Language of the object data.
            "contentType": "A String", # Content-Type of the object data.
            "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
            "etag": "A String", # HTTP 1.1 Entity tag for the object.
            "generation": "A String", # The content generation of this object. Used for object versioning.
            "id": "A String", # The ID of the object.
            "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
            "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
            "mediaLink": "A String", # Media download link.
            "metadata": { # User-provided metadata, in key/value pairs.
              "a_key": "A String", # An individual metadata entry.
            },
            "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
            "name": "A String", # The name of this object. Required if not specified by URL parameter.
            "owner": { # The owner of the object. This will always be the uploader of the object.
              "entity": "A String", # The entity, in the form user-userId.
              "entityId": "A String", # The ID for the entity.
            },
            "selfLink": "A String", # The link to this object.
            "size": "A String", # Content-Length of the data in bytes.
            "storageClass": "A String", # Storage class of the object.
            "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
            "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
          },
        ],
        "kind": "storage#objects", # The kind of item this is. For lists of objects, this is always storage#objects.
        "nextPageToken": "A String", # The continuation token, used to page through large result sets. Provide this value in a subsequent request to return the next page of results.
        "prefixes": [ # The list of prefixes of objects matching-but-not-listed up to and including the requested delimiter.
          "A String",
        ],
      }

`list_next(previous_request, previous_response)`

    Retrieves the next page of results.

    Args:
      previous_request: The request for the previous page. (required)
      previous_response: The response from the request for the previous page. (required)

    Returns:
      A request object that you can call 'execute()' on to request the next
      page. Returns None if there are no more items in the collection.

`patch(bucket, object, body=None, generation=None, ifGenerationMatch=None, ifGenerationNotMatch=None, ifMetagenerationMatch=None, ifMetagenerationNotMatch=None, projection=None)`

    Updates a data blob's associated metadata. This method supports patch semantics.

    Args:
      bucket: string, Name of the bucket in which the object resides. (required)
      object: string, Name of the object. (required)
      body: object, The request body.
        The object takes the form of:

    { # An object.
      "acl": [ # Access controls on the object.
        { # An access-control entry.
          "bucket": "A String", # The name of the bucket.
          "domain": "A String", # The domain associated with the entity, if any.
          "email": "A String", # The email address associated with the entity, if any.
          "entity": "A String", # The entity holding the permission, in one of the following forms:
              # - user-userId
              # - user-email
              # - group-groupId
              # - group-email
              # - domain-domain
              # - allUsers
              # - allAuthenticatedUsers Examples:
              # - The user liz@example.com would be user-liz@example.com.
              # - The group example@googlegroups.com would be group-example@googlegroups.com.
              # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
          "entityId": "A String", # The ID for the entity, if any.
          "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
          "generation": "A String", # The content generation of the object.
          "id": "A String", # The ID of the access-control entry.
          "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
          "object": "A String", # The name of the object.
          "role": "A String", # The access permission for the entity. Can be READER or OWNER.
          "selfLink": "A String", # The link to this access-control entry.
        },
      ],
      "bucket": "A String", # The bucket containing this object.
      "cacheControl": "A String", # Cache-Control directive for the object data.
      "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
      "contentDisposition": "A String", # Content-Disposition of the object data.
      "contentEncoding": "A String", # Content-Encoding of the object data.
      "contentLanguage": "A String", # Content-Language of the object data.
      "contentType": "A String", # Content-Type of the object data.
      "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
      "etag": "A String", # HTTP 1.1 Entity tag for the object.
      "generation": "A String", # The content generation of this object. Used for object versioning.
      "id": "A String", # The ID of the object.
      "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
      "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
      "mediaLink": "A String", # Media download link.
      "metadata": { # User-provided metadata, in key/value pairs.
        "a_key": "A String", # An individual metadata entry.
      },
      "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
      "name": "A String", # The name of this object. Required if not specified by URL parameter.
      "owner": { # The owner of the object. This will always be the uploader of the object.
        "entity": "A String", # The entity, in the form user-userId.
        "entityId": "A String", # The ID for the entity.
      },
      "selfLink": "A String", # The link to this object.
      "size": "A String", # Content-Length of the data in bytes.
      "storageClass": "A String", # Storage class of the object.
      "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
      "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
    }

      generation: string, If present, selects a specific revision of this object (as opposed to the latest version, the default).
      ifGenerationMatch: string, Makes the operation conditional on whether the object's current generation matches the given value.
      ifGenerationNotMatch: string, Makes the operation conditional on whether the object's current generation does not match the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the object's current metageneration matches the given value.
      ifMetagenerationNotMatch: string, Makes the operation conditional on whether the object's current metageneration does not match the given value.
      projection: string, Set of properties to return. Defaults to full.
        Allowed values
          full - Include all properties.
          noAcl - Omit the acl property.

    Returns:
      An object of the form:

        { # An object.
        "acl": [ # Access controls on the object.
          { # An access-control entry.
            "bucket": "A String", # The name of the bucket.
            "domain": "A String", # The domain associated with the entity, if any.
            "email": "A String", # The email address associated with the entity, if any.
            "entity": "A String", # The entity holding the permission, in one of the following forms:
                # - user-userId
                # - user-email
                # - group-groupId
                # - group-email
                # - domain-domain
                # - allUsers
                # - allAuthenticatedUsers Examples:
                # - The user liz@example.com would be user-liz@example.com.
                # - The group example@googlegroups.com would be group-example@googlegroups.com.
                # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
            "entityId": "A String", # The ID for the entity, if any.
            "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
            "generation": "A String", # The content generation of the object.
            "id": "A String", # The ID of the access-control entry.
            "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
            "object": "A String", # The name of the object.
            "role": "A String", # The access permission for the entity. Can be READER or OWNER.
            "selfLink": "A String", # The link to this access-control entry.
          },
        ],
        "bucket": "A String", # The bucket containing this object.
        "cacheControl": "A String", # Cache-Control directive for the object data.
        "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
        "contentDisposition": "A String", # Content-Disposition of the object data.
        "contentEncoding": "A String", # Content-Encoding of the object data.
        "contentLanguage": "A String", # Content-Language of the object data.
        "contentType": "A String", # Content-Type of the object data.
        "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
        "etag": "A String", # HTTP 1.1 Entity tag for the object.
        "generation": "A String", # The content generation of this object. Used for object versioning.
        "id": "A String", # The ID of the object.
        "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
        "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
        "mediaLink": "A String", # Media download link.
        "metadata": { # User-provided metadata, in key/value pairs.
          "a_key": "A String", # An individual metadata entry.
        },
        "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
        "name": "A String", # The name of this object. Required if not specified by URL parameter.
        "owner": { # The owner of the object. This will always be the uploader of the object.
          "entity": "A String", # The entity, in the form user-userId.
          "entityId": "A String", # The ID for the entity.
        },
        "selfLink": "A String", # The link to this object.
        "size": "A String", # Content-Length of the data in bytes.
        "storageClass": "A String", # Storage class of the object.
        "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
        "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
      }

`update(bucket, object, body=None, generation=None, ifGenerationMatch=None, ifGenerationNotMatch=None, ifMetagenerationMatch=None, ifMetagenerationNotMatch=None, projection=None)`

    Updates a data blob's associated metadata.

    Args:
      bucket: string, Name of the bucket in which the object resides. (required)
      object: string, Name of the object. (required)
      body: object, The request body.
        The object takes the form of:

    { # An object.
      "acl": [ # Access controls on the object.
        { # An access-control entry.
          "bucket": "A String", # The name of the bucket.
          "domain": "A String", # The domain associated with the entity, if any.
          "email": "A String", # The email address associated with the entity, if any.
          "entity": "A String", # The entity holding the permission, in one of the following forms:
              # - user-userId
              # - user-email
              # - group-groupId
              # - group-email
              # - domain-domain
              # - allUsers
              # - allAuthenticatedUsers Examples:
              # - The user liz@example.com would be user-liz@example.com.
              # - The group example@googlegroups.com would be group-example@googlegroups.com.
              # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
          "entityId": "A String", # The ID for the entity, if any.
          "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
          "generation": "A String", # The content generation of the object.
          "id": "A String", # The ID of the access-control entry.
          "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
          "object": "A String", # The name of the object.
          "role": "A String", # The access permission for the entity. Can be READER or OWNER.
          "selfLink": "A String", # The link to this access-control entry.
        },
      ],
      "bucket": "A String", # The bucket containing this object.
      "cacheControl": "A String", # Cache-Control directive for the object data.
      "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
      "contentDisposition": "A String", # Content-Disposition of the object data.
      "contentEncoding": "A String", # Content-Encoding of the object data.
      "contentLanguage": "A String", # Content-Language of the object data.
      "contentType": "A String", # Content-Type of the object data.
      "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
      "etag": "A String", # HTTP 1.1 Entity tag for the object.
      "generation": "A String", # The content generation of this object. Used for object versioning.
      "id": "A String", # The ID of the object.
      "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
      "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
      "mediaLink": "A String", # Media download link.
      "metadata": { # User-provided metadata, in key/value pairs.
        "a_key": "A String", # An individual metadata entry.
      },
      "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
      "name": "A String", # The name of this object. Required if not specified by URL parameter.
      "owner": { # The owner of the object. This will always be the uploader of the object.
        "entity": "A String", # The entity, in the form user-userId.
        "entityId": "A String", # The ID for the entity.
      },
      "selfLink": "A String", # The link to this object.
      "size": "A String", # Content-Length of the data in bytes.
      "storageClass": "A String", # Storage class of the object.
      "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
      "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
    }

      generation: string, If present, selects a specific revision of this object (as opposed to the latest version, the default).
      ifGenerationMatch: string, Makes the operation conditional on whether the object's current generation matches the given value.
      ifGenerationNotMatch: string, Makes the operation conditional on whether the object's current generation does not match the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the object's current metageneration matches the given value.
      ifMetagenerationNotMatch: string, Makes the operation conditional on whether the object's current metageneration does not match the given value.
      projection: string, Set of properties to return. Defaults to full.
        Allowed values
          full - Include all properties.
          noAcl - Omit the acl property.

    Returns:
      An object of the form:

        { # An object.
        "acl": [ # Access controls on the object.
          { # An access-control entry.
            "bucket": "A String", # The name of the bucket.
            "domain": "A String", # The domain associated with the entity, if any.
            "email": "A String", # The email address associated with the entity, if any.
            "entity": "A String", # The entity holding the permission, in one of the following forms:
                # - user-userId
                # - user-email
                # - group-groupId
                # - group-email
                # - domain-domain
                # - allUsers
                # - allAuthenticatedUsers Examples:
                # - The user liz@example.com would be user-liz@example.com.
                # - The group example@googlegroups.com would be group-example@googlegroups.com.
                # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
            "entityId": "A String", # The ID for the entity, if any.
            "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
            "generation": "A String", # The content generation of the object.
            "id": "A String", # The ID of the access-control entry.
            "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
            "object": "A String", # The name of the object.
            "role": "A String", # The access permission for the entity. Can be READER or OWNER.
            "selfLink": "A String", # The link to this access-control entry.
          },
        ],
        "bucket": "A String", # The bucket containing this object.
        "cacheControl": "A String", # Cache-Control directive for the object data.
        "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
        "contentDisposition": "A String", # Content-Disposition of the object data.
        "contentEncoding": "A String", # Content-Encoding of the object data.
        "contentLanguage": "A String", # Content-Language of the object data.
        "contentType": "A String", # Content-Type of the object data.
        "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
        "etag": "A String", # HTTP 1.1 Entity tag for the object.
        "generation": "A String", # The content generation of this object. Used for object versioning.
        "id": "A String", # The ID of the object.
        "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
        "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
        "mediaLink": "A String", # Media download link.
        "metadata": { # User-provided metadata, in key/value pairs.
          "a_key": "A String", # An individual metadata entry.
        },
        "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
        "name": "A String", # The name of this object. Required if not specified by URL parameter.
        "owner": { # The owner of the object. This will always be the uploader of the object.
          "entity": "A String", # The entity, in the form user-userId.
          "entityId": "A String", # The ID for the entity.
        },
        "selfLink": "A String", # The link to this object.
        "size": "A String", # Content-Length of the data in bytes.
        "storageClass": "A String", # Storage class of the object.
        "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
        "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
      }

`update_media(bucket, object, body=None, generation=None, ifGenerationMatch=None, ifGenerationNotMatch=None, ifMetagenerationMatch=None, ifMetagenerationNotMatch=None, projection=None)`

    Updates a data blob's associated metadata.

    Args:
      bucket: string, Name of the bucket in which the object resides. (required)
      object: string, Name of the object. (required)
      body: object, The request body.
        The object takes the form of:

    { # An object.
      "acl": [ # Access controls on the object.
        { # An access-control entry.
          "bucket": "A String", # The name of the bucket.
          "domain": "A String", # The domain associated with the entity, if any.
          "email": "A String", # The email address associated with the entity, if any.
          "entity": "A String", # The entity holding the permission, in one of the following forms:
              # - user-userId
              # - user-email
              # - group-groupId
              # - group-email
              # - domain-domain
              # - allUsers
              # - allAuthenticatedUsers Examples:
              # - The user liz@example.com would be user-liz@example.com.
              # - The group example@googlegroups.com would be group-example@googlegroups.com.
              # - To refer to all members of the Google Apps for Business domain example.com, the entity would be domain-example.com.
          "entityId": "A String", # The ID for the entity, if any.
          "etag": "A String", # HTTP 1.1 Entity tag for the access-control entry.
          "generation": "A String", # The content generation of the object.
          "id": "A String", # The ID of the access-control entry.
          "kind": "storage#objectAccessControl", # The kind of item this is. For object access control entries, this is always storage#objectAccessControl.
          "object": "A String", # The name of the object.
          "role": "A String", # The access permission for the entity. Can be READER or OWNER.
          "selfLink": "A String", # The link to this access-control entry.
        },
      ],
      "bucket": "A String", # The bucket containing this object.
      "cacheControl": "A String", # Cache-Control directive for the object data.
      "componentCount": 42, # Number of underlying components that make up this object. Components are accumulated by compose operations and are limited to a count of 32.
      "contentDisposition": "A String", # Content-Disposition of the object data.
      "contentEncoding": "A String", # Content-Encoding of the object data.
      "contentLanguage": "A String", # Content-Language of the object data.
      "contentType": "A String", # Content-Type of the object data.
      "crc32c": "A String", # CRC32c checksum, as described in RFC 4960, Appendix B; encoded using base64.
      "etag": "A String", # HTTP 1.1 Entity tag for the object.
      "generation": "A String", # The content generation of this object. Used for object versioning.
      "id": "A String", # The ID of the object.
      "kind": "storage#object", # The kind of item this is. For objects, this is always storage#object.
      "md5Hash": "A String", # MD5 hash of the data; encoded using base64.
      "mediaLink": "A String", # Media download link.
      "metadata": { # User-provided metadata, in key/value pairs.
        "a_key": "A String", # An individual metadata entry.
      },
      "metageneration": "A String", # The generation of the metadata for this object at this generation. Used for metadata versioning. Has no meaning outside of the context of this generation.
      "name": "A String", # The name of this object. Required if not specified by URL parameter.
      "owner": { # The owner of the object. This will always be the uploader of the object.
        "entity": "A String", # The entity, in the form user-userId.
        "entityId": "A String", # The ID for the entity.
      },
      "selfLink": "A String", # The link to this object.
      "size": "A String", # Content-Length of the data in bytes.
      "storageClass": "A String", # Storage class of the object.
      "timeDeleted": "A String", # Deletion time of the object in RFC 3339 format. Will be returned if and only if this version of the object has been deleted.
      "updated": "A String", # Modification time of the object metadata in RFC 3339 format.
    }

      generation: string, If present, selects a specific revision of this object (as opposed to the latest version, the default).
      ifGenerationMatch: string, Makes the operation conditional on whether the object's current generation matches the given value.
      ifGenerationNotMatch: string, Makes the operation conditional on whether the object's current generation does not match the given value.
      ifMetagenerationMatch: string, Makes the operation conditional on whether the object's current metageneration matches the given value.
      ifMetagenerationNotMatch: string, Makes the operation conditional on whether the object's current metageneration does not match the given value.
      projection: string, Set of properties to return. Defaults to full.
        Allowed values
          full - Include all properties.
          noAcl - Omit the acl property.

    Returns:
      The media object as a string.

`watchAll(bucket, body=None, delimiter=None, maxResults=None, pageToken=None, prefix=None, projection=None, versions=None)`

    Watch for changes on all objects in a bucket.

    Args:
      bucket: string, Name of the bucket in which to look for objects. (required)
      body: object, The request body.
        The object takes the form of:

    { # An notification channel used to watch for resource changes.
        "address": "A String", # The address where notifications are delivered for this channel.
        "expiration": "A String", # Date and time of notification channel expiration, expressed as a Unix timestamp, in milliseconds. Optional.
        "id": "A String", # A UUID or similar unique string that identifies this channel.
        "kind": "api#channel", # Identifies this as a notification channel used to watch for changes to a resource, which is "api#channel".
        "params": { # Additional parameters controlling delivery channel behavior. Optional.
          "a_key": "A String", # Declares a new parameter by name.
        },
        "payload": True or False, # A Boolean value to indicate whether payload is wanted. Optional.
        "resourceId": "A String", # An opaque ID that identifies the resource being watched on this channel. Stable across different API versions.
        "resourceUri": "A String", # A version-specific identifier for the watched resource.
        "token": "A String", # An arbitrary string delivered to the target address with each notification delivered over this channel. Optional.
        "type": "A String", # The type of delivery mechanism used for this channel.
      }

      delimiter: string, Returns results in a directory-like mode. items will contain only objects whose names, aside from the prefix, do not contain delimiter. Objects whose names, aside from the prefix, contain delimiter will have their name, truncated after the delimiter, returned in prefixes. Duplicate prefixes are omitted.
      maxResults: integer, Maximum number of items plus prefixes to return. As duplicate prefixes are omitted, fewer total results may be returned than requested.
      pageToken: string, A previously-returned page token representing part of the larger set of results to view.
      prefix: string, Filter results to objects whose names begin with this prefix.
      projection: string, Set of properties to return. Defaults to noAcl.
        Allowed values
          full - Include all properties.
          noAcl - Omit the acl property.
      versions: boolean, If true, lists all versions of a file as distinct results.

    Returns:
      An object of the form:

        { # An notification channel used to watch for resource changes.
          "address": "A String", # The address where notifications are delivered for this channel.
          "expiration": "A String", # Date and time of notification channel expiration, expressed as a Unix timestamp, in milliseconds. Optional.
          "id": "A String", # A UUID or similar unique string that identifies this channel.
          "kind": "api#channel", # Identifies this as a notification channel used to watch for changes to a resource, which is "api#channel".
          "params": { # Additional parameters controlling delivery channel behavior. Optional.
            "a_key": "A String", # Declares a new parameter by name.
          },
          "payload": True or False, # A Boolean value to indicate whether payload is wanted. Optional.
          "resourceId": "A String", # An opaque ID that identifies the resource being watched on this channel. Stable across different API versions.
          "resourceUri": "A String", # A version-specific identifier for the watched resource.
          "token": "A String", # An arbitrary string delivered to the target address with each notification delivered over this channel. Optional.
          "type": "A String", # The type of delivery mechanism used for this channel.
        }