airflow automl 源码
airflow automl 代码
文件路径：/airflow/providers/google/cloud/hooks/automl.py
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"""
This module contains a Google AutoML hook.
.. spelling::
PredictResponse
"""
from __future__ import annotations
from typing import Optional, Sequence
from google.api_core.gapic_v1.method import DEFAULT, _MethodDefault
from google.api_core.operation import Operation
from google.api_core.retry import Retry
from google.cloud.automl_v1beta1 import (
AutoMlClient,
BatchPredictInputConfig,
BatchPredictOutputConfig,
Dataset,
ExamplePayload,
ImageObjectDetectionModelDeploymentMetadata,
InputConfig,
Model,
PredictionServiceClient,
PredictResponse,
)
from google.cloud.automl_v1beta1.services.auto_ml.pagers import (
ListColumnSpecsPager,
ListDatasetsPager,
ListTableSpecsPager,
)
from google.protobuf.field_mask_pb2 import FieldMask
from airflow.compat.functools import cached_property
from airflow.providers.google.common.consts import CLIENT_INFO
from airflow.providers.google.common.hooks.base_google import PROVIDE_PROJECT_ID, GoogleBaseHook
class CloudAutoMLHook(GoogleBaseHook):
"""
Google Cloud AutoML hook.
All the methods in the hook where project_id is used must be called with
keyword arguments rather than positional.
"""
def __init__(
self,
gcp_conn_id: str = "google_cloud_default",
delegate_to: str | None = None,
impersonation_chain: str | Sequence[str] | None = None,
) -> None:
super().__init__(
gcp_conn_id=gcp_conn_id,
delegate_to=delegate_to,
impersonation_chain=impersonation_chain,
)
self._client = None # type: Optional[AutoMlClient]
@staticmethod
def extract_object_id(obj: dict) -> str:
"""Returns unique id of the object."""
return obj["name"].rpartition("/")[-1]
def get_conn(self) -> AutoMlClient:
"""
Retrieves connection to AutoML.
:return: Google Cloud AutoML client object.
:rtype: google.cloud.automl_v1beta1.AutoMlClient
"""
if self._client is None:
self._client = AutoMlClient(credentials=self.get_credentials(), client_info=CLIENT_INFO)
return self._client
@cached_property
def prediction_client(self) -> PredictionServiceClient:
"""
Creates PredictionServiceClient.
:return: Google Cloud AutoML PredictionServiceClient client object.
:rtype: google.cloud.automl_v1beta1.PredictionServiceClient
"""
return PredictionServiceClient(credentials=self.get_credentials(), client_info=CLIENT_INFO)
@GoogleBaseHook.fallback_to_default_project_id
def create_model(
self,
model: dict | Model,
location: str,
project_id: str = PROVIDE_PROJECT_ID,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
retry: Retry | _MethodDefault = DEFAULT,
) -> Operation:
"""
Creates a model_id. Returns a Model in the `response` field when it
completes. When you create a model, several model evaluations are
created for it: a global evaluation, and one evaluation for each
annotation spec.
:param model: The model_id to create. If a dict is provided, it must be of the same form
as the protobuf message `google.cloud.automl_v1beta1.types.Model`
:param project_id: ID of the Google Cloud project where model will be created if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests
will not be retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: `google.cloud.automl_v1beta1.types._OperationFuture` instance
"""
client = self.get_conn()
parent = f"projects/{project_id}/locations/{location}"
return client.create_model(
request={'parent': parent, 'model': model},
retry=retry,
timeout=timeout,
metadata=metadata,
)
@GoogleBaseHook.fallback_to_default_project_id
def batch_predict(
self,
model_id: str,
input_config: dict | BatchPredictInputConfig,
output_config: dict | BatchPredictOutputConfig,
location: str,
project_id: str = PROVIDE_PROJECT_ID,
params: dict[str, str] | None = None,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> Operation:
"""
Perform a batch prediction. Unlike the online `Predict`, batch
prediction result won't be immediately available in the response.
Instead, a long running operation object is returned.
:param model_id: Name of the model_id requested to serve the batch prediction.
:param input_config: Required. The input configuration for batch prediction.
If a dict is provided, it must be of the same form as the protobuf message
`google.cloud.automl_v1beta1.types.BatchPredictInputConfig`
:param output_config: Required. The Configuration specifying where output predictions should be
written. If a dict is provided, it must be of the same form as the protobuf message
`google.cloud.automl_v1beta1.types.BatchPredictOutputConfig`
:param params: Additional domain-specific parameters for the predictions, any string must be up to
25000 characters long.
:param project_id: ID of the Google Cloud project where model is located if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: `google.cloud.automl_v1beta1.types._OperationFuture` instance
"""
client = self.prediction_client
name = f"projects/{project_id}/locations/{location}/models/{model_id}"
result = client.batch_predict(
request={
'name': name,
'input_config': input_config,
'output_config': output_config,
'params': params,
},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
def predict(
self,
model_id: str,
payload: dict | ExamplePayload,
location: str,
project_id: str = PROVIDE_PROJECT_ID,
params: dict[str, str] | None = None,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> PredictResponse:
"""
Perform an online prediction. The prediction result will be directly
returned in the response.
:param model_id: Name of the model_id requested to serve the prediction.
:param payload: Required. Payload to perform a prediction on. The payload must match the problem type
that the model_id was trained to solve. If a dict is provided, it must be of
the same form as the protobuf message `google.cloud.automl_v1beta1.types.ExamplePayload`
:param params: Additional domain-specific parameters, any string must be up to 25000 characters long.
:param project_id: ID of the Google Cloud project where model is located if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: `google.cloud.automl_v1beta1.types.PredictResponse` instance
"""
client = self.prediction_client
name = f"projects/{project_id}/locations/{location}/models/{model_id}"
result = client.predict(
request={'name': name, 'payload': payload, 'params': params},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
def create_dataset(
self,
dataset: dict | Dataset,
location: str,
project_id: str = PROVIDE_PROJECT_ID,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> Dataset:
"""
Creates a dataset.
:param dataset: The dataset to create. If a dict is provided, it must be of the
same form as the protobuf message Dataset.
:param project_id: ID of the Google Cloud project where dataset is located if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: `google.cloud.automl_v1beta1.types.Dataset` instance.
"""
client = self.get_conn()
parent = f"projects/{project_id}/locations/{location}"
result = client.create_dataset(
request={'parent': parent, 'dataset': dataset},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
def import_data(
self,
dataset_id: str,
location: str,
input_config: dict | InputConfig,
project_id: str = PROVIDE_PROJECT_ID,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> Operation:
"""
Imports data into a dataset. For Tables this method can only be called on an empty Dataset.
:param dataset_id: Name of the AutoML dataset.
:param input_config: The desired input location and its domain specific semantics, if any.
If a dict is provided, it must be of the same form as the protobuf message InputConfig.
:param project_id: ID of the Google Cloud project where dataset is located if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: `google.cloud.automl_v1beta1.types._OperationFuture` instance
"""
client = self.get_conn()
name = f"projects/{project_id}/locations/{location}/datasets/{dataset_id}"
result = client.import_data(
request={'name': name, 'input_config': input_config},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
def list_column_specs(
self,
dataset_id: str,
table_spec_id: str,
location: str,
project_id: str = PROVIDE_PROJECT_ID,
field_mask: dict | FieldMask | None = None,
filter_: str | None = None,
page_size: int | None = None,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> ListColumnSpecsPager:
"""
Lists column specs in a table spec.
:param dataset_id: Name of the AutoML dataset.
:param table_spec_id: table_spec_id for path builder.
:param field_mask: Mask specifying which fields to read. If a dict is provided, it must be of the same
form as the protobuf message `google.cloud.automl_v1beta1.types.FieldMask`
:param filter_: Filter expression, see go/filtering.
:param page_size: The maximum number of resources contained in the
underlying API response. If page streaming is performed per
resource, this parameter does not affect the return value. If page
streaming is performed per-page, this determines the maximum number
of resources in a page.
:param project_id: ID of the Google Cloud project where dataset is located if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: `google.cloud.automl_v1beta1.types.ColumnSpec` instance.
"""
client = self.get_conn()
parent = client.table_spec_path(
project=project_id,
location=location,
dataset=dataset_id,
table_spec=table_spec_id,
)
result = client.list_column_specs(
request={'parent': parent, 'field_mask': field_mask, 'filter': filter_, 'page_size': page_size},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
def get_model(
self,
model_id: str,
location: str,
project_id: str = PROVIDE_PROJECT_ID,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> Model:
"""
Gets a AutoML model.
:param model_id: Name of the model.
:param project_id: ID of the Google Cloud project where model is located if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: `google.cloud.automl_v1beta1.types.Model` instance.
"""
client = self.get_conn()
name = f"projects/{project_id}/locations/{location}/models/{model_id}"
result = client.get_model(
request={'name': name},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
def delete_model(
self,
model_id: str,
location: str,
project_id: str = PROVIDE_PROJECT_ID,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> Operation:
"""
Deletes a AutoML model.
:param model_id: Name of the model.
:param project_id: ID of the Google Cloud project where model is located if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: `google.cloud.automl_v1beta1.types._OperationFuture` instance.
"""
client = self.get_conn()
name = f"projects/{project_id}/locations/{location}/models/{model_id}"
result = client.delete_model(
request={'name': name},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
def update_dataset(
self,
dataset: dict | Dataset,
update_mask: dict | FieldMask | None = None,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> Dataset:
"""
Updates a dataset.
:param dataset: The dataset which replaces the resource on the server.
If a dict is provided, it must be of the same form as the protobuf message Dataset.
:param update_mask: The update mask applies to the resource. If a dict is provided, it must
be of the same form as the protobuf message FieldMask.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: `google.cloud.automl_v1beta1.types.Dataset` instance..
"""
client = self.get_conn()
result = client.update_dataset(
request={'dataset': dataset, 'update_mask': update_mask},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
def deploy_model(
self,
model_id: str,
location: str,
project_id: str = PROVIDE_PROJECT_ID,
image_detection_metadata: ImageObjectDetectionModelDeploymentMetadata | dict | None = None,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> Operation:
"""
Deploys a model. If a model is already deployed, deploying it with the same parameters
has no effect. Deploying with different parameters (as e.g. changing node_number) will
reset the deployment state without pausing the model_id's availability.
Only applicable for Text Classification, Image Object Detection and Tables; all other
domains manage deployment automatically.
:param model_id: Name of the model requested to serve the prediction.
:param image_detection_metadata: Model deployment metadata specific to Image Object Detection.
If a dict is provided, it must be of the same form as the protobuf message
ImageObjectDetectionModelDeploymentMetadata
:param project_id: ID of the Google Cloud project where model will be created if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: `google.cloud.automl_v1beta1.types._OperationFuture` instance.
"""
client = self.get_conn()
name = f"projects/{project_id}/locations/{location}/models/{model_id}"
result = client.deploy_model(
request={
'name': name,
'image_object_detection_model_deployment_metadata': image_detection_metadata,
},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
def list_table_specs(
self,
dataset_id: str,
location: str,
project_id: str | None = None,
filter_: str | None = None,
page_size: int | None = None,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> ListTableSpecsPager:
"""
Lists table specs in a dataset_id.
:param dataset_id: Name of the dataset.
:param filter_: Filter expression, see go/filtering.
:param page_size: The maximum number of resources contained in the
underlying API response. If page streaming is performed per
resource, this parameter does not affect the return value. If page
streaming is performed per-page, this determines the maximum number
of resources in a page.
:param project_id: ID of the Google Cloud project where dataset is located if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: A `google.gax.PageIterator` instance. By default, this
is an iterable of `google.cloud.automl_v1beta1.types.TableSpec` instances.
This object can also be configured to iterate over the pages
of the response through the `options` parameter.
"""
client = self.get_conn()
parent = f"projects/{project_id}/locations/{location}/datasets/{dataset_id}"
result = client.list_table_specs(
request={'parent': parent, 'filter': filter_, 'page_size': page_size},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
def list_datasets(
self,
location: str,
project_id: str,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> ListDatasetsPager:
"""
Lists datasets in a project.
:param project_id: ID of the Google Cloud project where dataset is located if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: A `google.gax.PageIterator` instance. By default, this
is an iterable of `google.cloud.automl_v1beta1.types.Dataset` instances.
This object can also be configured to iterate over the pages
of the response through the `options` parameter.
"""
client = self.get_conn()
parent = f"projects/{project_id}/locations/{location}"
result = client.list_datasets(
request={'parent': parent},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
def delete_dataset(
self,
dataset_id: str,
location: str,
project_id: str,
retry: Retry | _MethodDefault = DEFAULT,
timeout: float | None = None,
metadata: Sequence[tuple[str, str]] = (),
) -> Operation:
"""
Deletes a dataset and all of its contents.
:param dataset_id: ID of dataset to be deleted.
:param project_id: ID of the Google Cloud project where dataset is located if None then
default project_id is used.
:param location: The location of the project.
:param retry: A retry object used to retry requests. If `None` is specified, requests will not be
retried.
:param timeout: 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.
:param metadata: Additional metadata that is provided to the method.
:return: `google.cloud.automl_v1beta1.types._OperationFuture` instance
"""
client = self.get_conn()
name = f"projects/{project_id}/locations/{location}/datasets/{dataset_id}"
result = client.delete_dataset(
request={'name': name},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
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