Bibliothèques Azure Data Lake Analytics pour Python

Vue d’ensemble

Exécutez des travaux d’analyse Big Data mis à l’échelle de manière à obtenir des jeux de données conséquents avec Azure Data Lake Analytics.

Installer les bibliothèques

API de gestion

Utilisez l’API de gestion pour gérer les comptes, les travaux, les stratégies et les catalogues Data Lake Analytics.

pip install azure-mgmt-datalake-analytics

Exemple

Il s’agit d’un exemple de la création d’un compte Data Lake Analytics et de l’envoi d’un travail.

## Required for Azure Resource Manager
from azure.mgmt.resource.resources import ResourceManagementClient
from azure.mgmt.resource.resources.models import ResourceGroup

## Required for Azure Data Lake Store account management
from azure.mgmt.datalake.store import DataLakeStoreAccountManagementClient
from azure.mgmt.datalake.store.models import DataLakeStoreAccount

## Required for Azure Data Lake Store filesystem management
from azure.datalake.store import core, lib, multithread

## Required for Azure Data Lake Analytics account management
from azure.mgmt.datalake.analytics.account import DataLakeAnalyticsAccountManagementClient
from azure.mgmt.datalake.analytics.account.models import DataLakeAnalyticsAccount, DataLakeStoreAccountInfo

## Required for Azure Data Lake Analytics job management
from azure.mgmt.datalake.analytics.job import DataLakeAnalyticsJobManagementClient
from azure.mgmt.datalake.analytics.job.models import JobInformation, JobState, USqlJobProperties

subid= '<Azure Subscription ID>'
rg = '<Azure Resource Group Name>'
location = '<Location>' # i.e. 'eastus2'
adls = '<Azure Data Lake Store Account Name>'
adls = '<Azure Data Lake Analytics Account Name>'

# Create the clients
resourceClient = ResourceManagementClient(credentials, subid)
adlaAcctClient = DataLakeAnalyticsAccountManagementClient(credentials, subid)
adlaJobClient = DataLakeAnalyticsJobManagementClient( credentials, 'azuredatalakeanalytics.net')

# Create resource group
armGroupResult = resourceClient.resource_groups.create_or_update(rg, ResourceGroup(location=location))

# Create a store account
adlaAcctResult = adlaAcctClient.account.create(
    rg,
    adla,
    DataLakeAnalyticsAccount(
        location=location,
        default_data_lake_store_account=adls,
        data_lake_store_accounts=[DataLakeStoreAccountInfo(name=adls)]
    )
).wait()

# Create an ADLA account
adlaAcctResult = adlaAcctClient.account.create(
    rg,
    adla,
    DataLakeAnalyticsAccount(
        location=location,
        default_data_lake_store_account=adls,
        data_lake_store_accounts=[DataLakeStoreAccountInfo(name=adls)]
    )
).wait()

# Submit a job
script = """
@a  = 
    SELECT * FROM 
        (VALUES
            ("Contoso", 1500.0),
            ("Woodgrove", 2700.0)
        ) AS 
              D( customer, amount );
OUTPUT @a
    TO "/data.csv"
    USING Outputters.Csv();
"""

jobId = str(uuid.uuid4())
jobResult = adlaJobClient.job.create(
    adla,
    jobId,
    JobInformation(
        name='Sample Job',
        type='USql',
        properties=USqlJobProperties(script=script)
    )
)

Explorer les API de gestion

Exemples

Gérer Azure Data Lake Analytics