Source code for airflow.providers.google.cloud.hooks.vision

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"""This module contains a Google Cloud Vision Hook."""
from copy import deepcopy
from typing import Any, Callable, Dict, List, Optional, Sequence, Tuple, Union

from google.api_core.gapic_v1.method import DEFAULT, _MethodDefault
from google.api_core.retry import Retry
from google.cloud.vision_v1 import ImageAnnotatorClient, ProductSearchClient
from google.cloud.vision_v1.types import (
    AnnotateImageRequest,
    FieldMask,
    Image,
    Product,
    ProductSet,
    ReferenceImage,
)
from google.protobuf.json_format import MessageToDict

from airflow.compat.functools import cached_property
from airflow.exceptions import AirflowException
from airflow.providers.google.common.consts import CLIENT_INFO
from airflow.providers.google.common.hooks.base_google import PROVIDE_PROJECT_ID, GoogleBaseHook

[docs]ERR_DIFF_NAMES = """The {label} name provided in the object ({explicit_name}) is different than the name created from the input parameters ({constructed_name}). Please either: 1) Remove the {label} name, 2) Remove the location and {id_label} parameters, 3) Unify the {label} name and input parameters. """
[docs]ERR_UNABLE_TO_CREATE = """Unable to determine the {label} name. Please either set the name directly in the {label} object or provide the `location` and `{id_label}` parameters. """
[docs]class NameDeterminer: """Helper class to determine entity name.""" def __init__(self, label: str, id_label: str, get_path: Callable[[str, str, str], str]) -> None: self.label = label self.id_label = id_label self.get_path = get_path
[docs] def get_entity_with_name( self, entity: Any, entity_id: Optional[str], location: Optional[str], project_id: str ) -> Any: """ Check if entity has the `name` attribute set: * If so, no action is taken. * If not, and the name can be constructed from other parameters provided, it is created and filled in the entity. * If both the entity's 'name' attribute is set and the name can be constructed from other parameters provided: * If they are the same - no action is taken * if they are different - an exception is thrown. :param entity: Entity :param entity_id: Entity id :param location: Location :param project_id: The id of Google Cloud Vision project. :return: The same entity or entity with new name :rtype: str :raises: AirflowException """ entity = deepcopy(entity) explicit_name = getattr(entity, 'name') if location and entity_id: # Necessary parameters to construct the name are present. Checking for conflict with explicit name constructed_name = self.get_path(project_id, location, entity_id) if not explicit_name: entity.name = constructed_name return entity if explicit_name != constructed_name: raise AirflowException( ERR_DIFF_NAMES.format( label=self.label, explicit_name=explicit_name, constructed_name=constructed_name, id_label=self.id_label, ) ) # Not enough parameters to construct the name. Trying to use the name from Product / ProductSet. if explicit_name: return entity else: raise AirflowException(ERR_UNABLE_TO_CREATE.format(label=self.label, id_label=self.id_label))
[docs]class CloudVisionHook(GoogleBaseHook): """ Hook for Google Cloud Vision APIs. All the methods in the hook where project_id is used must be called with keyword arguments rather than positional. """
[docs] product_name_determiner = NameDeterminer('Product', 'product_id', ProductSearchClient.product_path)
[docs] product_set_name_determiner = NameDeterminer( 'ProductSet', 'productset_id', ProductSearchClient.product_set_path
) def __init__( self, gcp_conn_id: str = "google_cloud_default", delegate_to: Optional[str] = None, impersonation_chain: Optional[Union[str, Sequence[str]]] = None, ) -> None: super().__init__( gcp_conn_id=gcp_conn_id, delegate_to=delegate_to, impersonation_chain=impersonation_chain, ) self._client = None
[docs] def get_conn(self) -> ProductSearchClient: """ Retrieves connection to Cloud Vision. :return: Google Cloud Vision client object. :rtype: google.cloud.vision_v1.ProductSearchClient """ if not self._client: self._client = ProductSearchClient(credentials=self._get_credentials(), client_info=CLIENT_INFO) return self._client
@cached_property
[docs] def annotator_client(self) -> ImageAnnotatorClient: """ Creates ImageAnnotatorClient. :return: Google Image Annotator client object. :rtype: google.cloud.vision_v1.ImageAnnotatorClient """ return ImageAnnotatorClient(credentials=self._get_credentials())
@staticmethod def _check_for_error(response: Dict) -> None: if "error" in response: raise AirflowException(response) @GoogleBaseHook.fallback_to_default_project_id
[docs] def create_product_set( self, location: str, product_set: Union[dict, ProductSet], project_id: str = PROVIDE_PROJECT_ID, product_set_id: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ) -> str: """ For the documentation see: :class:`~airflow.providers.google.cloud.operators.vision.CloudVisionCreateProductSetOperator` """ client = self.get_conn() parent = ProductSearchClient.location_path(project_id, location) self.log.info('Creating a new ProductSet under the parent: %s', parent) response = client.create_product_set( parent=parent, product_set=product_set, product_set_id=product_set_id, retry=retry, timeout=timeout, metadata=metadata, ) self.log.info('ProductSet created: %s', response.name if response else '') self.log.debug('ProductSet created:\n%s', response) if not product_set_id: # Product set id was generated by the API product_set_id = self._get_autogenerated_id(response) self.log.info('Extracted autogenerated ProductSet ID from the response: %s', product_set_id) return product_set_id
@GoogleBaseHook.fallback_to_default_project_id
[docs] def get_product_set( self, location: str, product_set_id: str, project_id: str = PROVIDE_PROJECT_ID, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ) -> dict: """ For the documentation see: :class:`~airflow.providers.google.cloud.operators.vision.CloudVisionGetProductSetOperator` """ client = self.get_conn() name = ProductSearchClient.product_set_path(project_id, location, product_set_id) self.log.info('Retrieving ProductSet: %s', name) response = client.get_product_set(name=name, retry=retry, timeout=timeout, metadata=metadata) self.log.info('ProductSet retrieved.') self.log.debug('ProductSet retrieved:\n%s', response) return MessageToDict(response)
@GoogleBaseHook.fallback_to_default_project_id
[docs] def update_product_set( self, product_set: Union[dict, ProductSet], project_id: str = PROVIDE_PROJECT_ID, location: Optional[str] = None, product_set_id: Optional[str] = None, update_mask: Union[dict, FieldMask] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ) -> dict: """ For the documentation see: :class:`~airflow.providers.google.cloud.operators.vision.CloudVisionUpdateProductSetOperator` """ client = self.get_conn() product_set = self.product_set_name_determiner.get_entity_with_name( product_set, product_set_id, location, project_id ) self.log.info('Updating ProductSet: %s', product_set.name) response = client.update_product_set( product_set=product_set, update_mask=update_mask, retry=retry, timeout=timeout, metadata=metadata ) self.log.info('ProductSet updated: %s', response.name if response else '') self.log.debug('ProductSet updated:\n%s', response) return MessageToDict(response)
@GoogleBaseHook.fallback_to_default_project_id
[docs] def delete_product_set( self, location: str, product_set_id: str, project_id: str = PROVIDE_PROJECT_ID, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ) -> None: """ For the documentation see: :class:`~airflow.providers.google.cloud.operators.vision.CloudVisionDeleteProductSetOperator` """ client = self.get_conn() name = ProductSearchClient.product_set_path(project_id, location, product_set_id) self.log.info('Deleting ProductSet: %s', name) client.delete_product_set(name=name, retry=retry, timeout=timeout, metadata=metadata) self.log.info('ProductSet with the name [%s] deleted.', name)
@GoogleBaseHook.fallback_to_default_project_id
[docs] def create_product( self, location: str, product: Union[dict, Product], project_id: str = PROVIDE_PROJECT_ID, product_id: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ): """ For the documentation see: :class:`~airflow.providers.google.cloud.operators.vision.CloudVisionCreateProductOperator` """ client = self.get_conn() parent = ProductSearchClient.location_path(project_id, location) self.log.info('Creating a new Product under the parent: %s', parent) response = client.create_product( parent=parent, product=product, product_id=product_id, retry=retry, timeout=timeout, metadata=metadata, ) self.log.info('Product created: %s', response.name if response else '') self.log.debug('Product created:\n%s', response) if not product_id: # Product id was generated by the API product_id = self._get_autogenerated_id(response) self.log.info('Extracted autogenerated Product ID from the response: %s', product_id) return product_id
@GoogleBaseHook.fallback_to_default_project_id
[docs] def get_product( self, location: str, product_id: str, project_id: str = PROVIDE_PROJECT_ID, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ): """ For the documentation see: :class:`~airflow.providers.google.cloud.operators.vision.CloudVisionGetProductOperator` """ client = self.get_conn() name = ProductSearchClient.product_path(project_id, location, product_id) self.log.info('Retrieving Product: %s', name) response = client.get_product(name=name, retry=retry, timeout=timeout, metadata=metadata) self.log.info('Product retrieved.') self.log.debug('Product retrieved:\n%s', response) return MessageToDict(response)
@GoogleBaseHook.fallback_to_default_project_id
[docs] def update_product( self, product: Union[dict, Product], project_id: str = PROVIDE_PROJECT_ID, location: Optional[str] = None, product_id: Optional[str] = None, update_mask: Optional[Dict[str, FieldMask]] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ): """ For the documentation see: :class:`~airflow.providers.google.cloud.operators.vision.CloudVisionUpdateProductOperator` """ client = self.get_conn() product = self.product_name_determiner.get_entity_with_name(product, product_id, location, project_id) self.log.info('Updating ProductSet: %s', product.name) response = client.update_product( product=product, update_mask=update_mask, retry=retry, timeout=timeout, metadata=metadata ) self.log.info('Product updated: %s', response.name if response else '') self.log.debug('Product updated:\n%s', response) return MessageToDict(response)
@GoogleBaseHook.fallback_to_default_project_id
[docs] def delete_product( self, location: str, product_id: str, project_id: str = PROVIDE_PROJECT_ID, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ) -> None: """ For the documentation see: :class:`~airflow.providers.google.cloud.operators.vision.CloudVisionDeleteProductOperator` """ client = self.get_conn() name = ProductSearchClient.product_path(project_id, location, product_id) self.log.info('Deleting ProductSet: %s', name) client.delete_product(name=name, retry=retry, timeout=timeout, metadata=metadata) self.log.info('Product with the name [%s] deleted:', name)
@GoogleBaseHook.fallback_to_default_project_id
[docs] def create_reference_image( self, location: str, product_id: str, reference_image: Union[dict, ReferenceImage], project_id: str, reference_image_id: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ) -> str: """ For the documentation see: :py:class:`~airflow.providers.google.cloud.operators.vision.CloudVisionCreateReferenceImageOperator` """ client = self.get_conn() self.log.info('Creating ReferenceImage') parent = ProductSearchClient.product_path(project=project_id, location=location, product=product_id) response = client.create_reference_image( parent=parent, reference_image=reference_image, reference_image_id=reference_image_id, retry=retry, timeout=timeout, metadata=metadata, ) self.log.info('ReferenceImage created: %s', response.name if response else '') self.log.debug('ReferenceImage created:\n%s', response) if not reference_image_id: # Reference image id was generated by the API reference_image_id = self._get_autogenerated_id(response) self.log.info( 'Extracted autogenerated ReferenceImage ID from the response: %s', reference_image_id ) return reference_image_id
@GoogleBaseHook.fallback_to_default_project_id
[docs] def delete_reference_image( self, location: str, product_id: str, reference_image_id: str, project_id: str, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ) -> dict: """ For the documentation see: :py:class:`~airflow.providers.google.cloud.operators.vision.CloudVisionDeleteReferenceImageOperator` """ client = self.get_conn() self.log.info('Deleting ReferenceImage') name = ProductSearchClient.reference_image_path( project=project_id, location=location, product=product_id, reference_image=reference_image_id ) response = client.delete_reference_image( name=name, retry=retry, timeout=timeout, metadata=metadata, ) self.log.info('ReferenceImage with the name [%s] deleted.', name) return MessageToDict(response)
@GoogleBaseHook.fallback_to_default_project_id
[docs] def add_product_to_product_set( self, product_set_id: str, product_id: str, project_id: str, location: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ) -> None: """ For the documentation see: :py:class:`~airflow.providers.google.cloud.operators.vision.CloudVisionAddProductToProductSetOperator` """ client = self.get_conn() product_name = ProductSearchClient.product_path(project_id, location, product_id) product_set_name = ProductSearchClient.product_set_path(project_id, location, product_set_id) self.log.info('Add Product[name=%s] to Product Set[name=%s]', product_name, product_set_name) client.add_product_to_product_set( name=product_set_name, product=product_name, retry=retry, timeout=timeout, metadata=metadata ) self.log.info('Product added to Product Set')
@GoogleBaseHook.fallback_to_default_project_id
[docs] def remove_product_from_product_set( self, product_set_id: str, product_id: str, project_id: str, location: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), ) -> None: """ For the documentation see: :py:class:`~airflow.providers.google.cloud.operators.vision.CloudVisionRemoveProductFromProductSetOperator` """ client = self.get_conn() product_name = ProductSearchClient.product_path(project_id, location, product_id) product_set_name = ProductSearchClient.product_set_path(project_id, location, product_set_id) self.log.info('Remove Product[name=%s] from Product Set[name=%s]', product_name, product_set_name) client.remove_product_from_product_set( name=product_set_name, product=product_name, retry=retry, timeout=timeout, metadata=metadata ) self.log.info('Product removed from Product Set')
[docs] def annotate_image( self, request: Union[dict, AnnotateImageRequest], retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, ) -> Dict: """ For the documentation see: :py:class:`~airflow.providers.google.cloud.operators.vision.CloudVisionImageAnnotateOperator` """ client = self.annotator_client self.log.info('Annotating image') response = client.annotate_image(request=request, retry=retry, timeout=timeout) self.log.info('Image annotated') return MessageToDict(response)
@GoogleBaseHook.quota_retry()
[docs] def batch_annotate_images( self, requests: Union[List[dict], List[AnnotateImageRequest]], retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, ) -> dict: """ For the documentation see: :py:class:`~airflow.providers.google.cloud.operators.vision.CloudVisionImageAnnotateOperator` """ client = self.annotator_client self.log.info('Annotating images') response = client.batch_annotate_images(requests=requests, retry=retry, timeout=timeout) self.log.info('Images annotated') return MessageToDict(response)
@GoogleBaseHook.quota_retry()
[docs] def text_detection( self, image: Union[dict, Image], max_results: Optional[int] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, additional_properties: Optional[Dict] = None, ) -> dict: """ For the documentation see: :py:class:`~airflow.providers.google.cloud.operators.vision.CloudVisionDetectTextOperator` """ client = self.annotator_client self.log.info("Detecting text") if additional_properties is None: additional_properties = {} response = client.text_detection( image=image, max_results=max_results, retry=retry, timeout=timeout, **additional_properties ) response = MessageToDict(response) self._check_for_error(response) self.log.info("Text detection finished") return response
@GoogleBaseHook.quota_retry()
[docs] def document_text_detection( self, image: Union[dict, Image], max_results: Optional[int] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, additional_properties: Optional[dict] = None, ) -> dict: """ For the documentation see: :py:class:`~airflow.providers.google.cloud.operators.vision.CloudVisionTextDetectOperator` """ client = self.annotator_client self.log.info("Detecting document text") if additional_properties is None: additional_properties = {} response = client.document_text_detection( image=image, max_results=max_results, retry=retry, timeout=timeout, **additional_properties ) response = MessageToDict(response) self._check_for_error(response) self.log.info("Document text detection finished") return response
@GoogleBaseHook.quota_retry()
[docs] def label_detection( self, image: Union[dict, Image], max_results: Optional[int] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, additional_properties: Optional[dict] = None, ) -> dict: """ For the documentation see: :py:class:`~airflow.providers.google.cloud.operators.vision.CloudVisionDetectImageLabelsOperator` """ client = self.annotator_client self.log.info("Detecting labels") if additional_properties is None: additional_properties = {} response = client.label_detection( image=image, max_results=max_results, retry=retry, timeout=timeout, **additional_properties ) response = MessageToDict(response) self._check_for_error(response) self.log.info("Labels detection finished") return response
@GoogleBaseHook.quota_retry()
[docs] def safe_search_detection( self, image: Union[dict, Image], max_results: Optional[int] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, additional_properties: Optional[dict] = None, ) -> dict: """ For the documentation see: :py:class:`~airflow.providers.google.cloud.operators.vision.CloudVisionDetectImageSafeSearchOperator` """ client = self.annotator_client self.log.info("Detecting safe search") if additional_properties is None: additional_properties = {} response = client.safe_search_detection( image=image, max_results=max_results, retry=retry, timeout=timeout, **additional_properties ) response = MessageToDict(response) self._check_for_error(response) self.log.info("Safe search detection finished") return response
@staticmethod def _get_autogenerated_id(response) -> str: try: name = response.name except AttributeError as e: raise AirflowException(f'Unable to get name from response... [{response}]\n{e}') if '/' not in name: raise AirflowException(f'Unable to get id from name... [{name}]') return name.rsplit('/', 1)[1]

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