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April 28, 2020 02:43
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PROJECT='ai-analytics-solutions' | |
BUCKET='ai-analytics-solutions-kfpdemo' | |
REGION='us-central1' | |
from datetime import datetime | |
import apache_beam as beam | |
def parse_nlp_result(response): | |
return [ | |
# response, # entire string | |
response.sentences[0].text.content, | |
response.language, | |
response.document_sentiment.score | |
] | |
def run(): | |
from apache_beam.ml.gcp import naturallanguageml as nlp | |
features = nlp.types.AnnotateTextRequest.Features( | |
extract_entities=True, | |
extract_document_sentiment=True, | |
extract_syntax=False | |
) | |
options = beam.options.pipeline_options.PipelineOptions() | |
google_cloud_options = options.view_as(beam.options.pipeline_options.GoogleCloudOptions) | |
google_cloud_options.project = PROJECT | |
google_cloud_options.region = REGION | |
google_cloud_options.job_name = 'nlpapi-{}'.format(datetime.now().strftime("%Y%m%d-%H%M%S")) | |
google_cloud_options.staging_location = 'gs://{}/staging'.format(BUCKET) | |
google_cloud_options.temp_location = 'gs://{}/temp'.format(BUCKET) | |
options.view_as(beam.options.pipeline_options.StandardOptions).runner = 'DataflowRunner' # 'DirectRunner' | |
p = beam.Pipeline(options=options) | |
(p | |
| 'bigquery' >> beam.io.Read(beam.io.BigQuerySource( | |
query="SELECT text FROM `bigquery-public-data.hacker_news.comments` WHERE author = 'AF' AND LENGTH(text) > 10", | |
use_standard_sql=True)) | |
| 'txt' >> beam.Map(lambda x : x['text']) | |
| 'doc' >> beam.Map(lambda x : nlp.Document(x, type='PLAIN_TEXT')) | |
# | 'todict' >> beam.Map(lambda x : nlp.Document.to_dict(x)) | |
| 'nlp' >> nlp.AnnotateText(features, timeout=10) | |
| 'parse' >> beam.Map(parse_nlp_result) | |
| 'gcs' >> beam.io.WriteToText('gs://{}/output.txt'.format(BUCKET), num_shards=1) | |
) | |
result = p.run() | |
result.wait_until_finish() | |
if __name__ == '__main__': | |
run() |
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