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from google.cloud.videointelligence_v1 import VideoIntelligenceServiceClient
from airflow.contrib.hooks.gcp_api_base_hook import GoogleCloudBaseHook
[docs]class CloudVideoIntelligenceHook(GoogleCloudBaseHook):
"""
Hook for Google Cloud Video Intelligence APIs.
:param gcp_conn_id: The connection ID to use when fetching connection info.
:type gcp_conn_id: str
:param delegate_to: The account to impersonate, if any.
For this to work, the service account making the request must have
domain-wide delegation enabled.
:type delegate_to: str
"""
def __init__(self, gcp_conn_id="google_cloud_default", delegate_to=None):
super(CloudVideoIntelligenceHook, self).__init__(gcp_conn_id, delegate_to)
[docs] def get_conn(self):
"""
Returns Gcp Video Intelligence Service client
:rtype: google.cloud.videointelligence_v1.VideoIntelligenceServiceClient
"""
if not self._conn:
self._conn = VideoIntelligenceServiceClient(credentials=self._get_credentials())
return self._conn
[docs] def annotate_video(
self,
input_uri=None,
input_content=None,
features=None,
video_context=None,
output_uri=None,
location=None,
retry=None,
timeout=None,
metadata=None,
):
"""
Performs video annotation.
:param input_uri: Input video location. Currently, only Google Cloud Storage URIs are supported,
which must be specified in the following format: ``gs://bucket-id/object-id``.
:type input_uri: str
:param input_content: The video data bytes.
If unset, the input video(s) should be specified via ``input_uri``.
If set, ``input_uri`` should be unset.
:type input_content: bytes
:param features: Requested video annotation features.
:type features: list[google.cloud.videointelligence_v1.VideoIntelligenceServiceClient.enums.Feature]
:param output_uri: Optional, location where the output (in JSON format) should be stored. Currently,
only Google Cloud Storage URIs are supported, which must be specified in the following format:
``gs://bucket-id/object-id``.
:type output_uri: str
:param video_context: Optional, Additional video context and/or feature-specific parameters.
:type video_context: dict or google.cloud.videointelligence_v1.types.VideoContext
:param location: Optional, cloud region where annotation should take place. Supported cloud regions:
us-east1, us-west1, europe-west1, asia-east1.
If no region is specified, a region will be determined based on video file location.
:type location: str
:param retry: Retry object used to determine when/if to retry requests.
If None is specified, requests will not be retried.
:type retry: google.api_core.retry.Retry
:param timeout: Optional, The amount of time, in seconds, to wait for the request to complete.
Note that if retry is specified, the timeout applies to each individual attempt.
:type timeout: float
:param metadata: Optional, Additional metadata that is provided to the method.
:type metadata: seq[tuple[str, str]]
"""
client = self.get_conn()
return client.annotate_video(
input_uri=input_uri,
input_content=input_content,
features=features,
video_context=video_context,
output_uri=output_uri,
location_id=location,
retry=retry,
timeout=timeout,
metadata=metadata,
)