Chapter folders renamed
This commit is contained in:
Karan Solanki
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# wordcount.py: count words in a text file
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import argparse
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import os
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import re
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import apache_beam as beam
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from apache_beam.io import ReadFromText
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from apache_beam.io import WriteToText
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from apache_beam.options.pipeline_options import PipelineOptions
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from apache_beam.options.pipeline_options import SetupOptions
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def run(argv=None, save_main_session=True):
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os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = "/Users/muasif/gcd-projs/gcp-key/word-count-316612-f22f7ffcc2dd.json"
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'--input',
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dest='input',
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default='gs://muasif/input/sample.txt',
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help='Input file to process.')
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parser.add_argument(
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'--output',
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dest='output',
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default='gs://muasif/output/result',
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help='Output file to write results to.')
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known_args, pipeline_args = parser.parse_known_args(argv)
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pipeline_args.extend([
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'--runner=DataflowRunner',
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'--project=word-count-316612',
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'--region=us-central1',
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'--staging_location=gs://muasif/staging',
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'--temp_location=gs://muasif/temp',
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'--job_name=my-wordcount-job',
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])
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pipeline_options = PipelineOptions(pipeline_args)
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pipeline_options.view_as(SetupOptions).\
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save_main_session = save_main_session
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with beam.Pipeline(options=pipeline_options) as p:
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lines = p | ReadFromText(known_args.input)
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# Count the occurrences of each word.
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counts = (
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lines
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| 'Split words' >> (
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beam.FlatMap(
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lambda x: re.findall(r'[A-Za-z\']+', x)).
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with_output_types(str))
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| 'Pair with 1' >> beam.Map(lambda x: (x, 1))
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| 'Group & Sum' >> beam.CombinePerKey(sum))
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# Format the word counts into a PCollection of strings.
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def format_result(word_count):
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(word, count) = word_count
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return '%s: %s' % (word, count)
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output = counts | 'Format' >> beam.Map(format_result)
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output | WriteToText(known_args.output)
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if __name__ == '__main__':
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run()
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#pipeline1.py: Separate strings from a PCollection
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import apache_beam as beam
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with beam.Pipeline() as pipeline:
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plants = (
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pipeline
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| 'Subjects' >> beam.Create([
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'English Maths Science',
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'French Arts',
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])
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| 'Split subjects' >> beam.FlatMap(str.split)
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| beam.Map(print))
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#pipeline2.py: Separate subject with grade from a PCollection
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import apache_beam as beam
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def my_format(sub, marks):
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yield '{}\t{}'.format(sub,marks)
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with beam.Pipeline() as pipeline:
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plants = (
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pipeline
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| 'Subjects' >> beam.Create([
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('English','A'),
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('Maths', 'B+'),
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('Science', 'A-'),
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('French', 'A'),
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('Arts', 'A+'),
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])
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| 'Format subjects with marks' >> beam.FlatMapTuple(my_format)
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| beam.Map(print))
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#pipeline3.py: Read data from a file and give results back to another file
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import apache_beam as beam
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from apache_beam.io import WriteToText, ReadFromText
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with beam.Pipeline() as pipeline:
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lines = pipeline | ReadFromText('sample1.txt')
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subjects = (
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lines
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| 'Subjects' >> beam.FlatMap(str.split))
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subjects | WriteToText(file_path_prefix='subjects',
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file_name_suffix='.txt',
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shard_name_template='')
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#pipeline4.py: Using argument for a pipeline
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import re
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import apache_beam as beam
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import argparse
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from apache_beam.io import WriteToText, ReadFromText
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from apache_beam.options.pipeline_options import PipelineOptions
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class WordParsingDoFn(beam.DoFn):
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def process(self, element):
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return re.findall(r'[\w\']+', element, re.UNICODE)
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def run(argv=None, save_main_session=True):
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'--input',
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dest='input',
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default='sample1.txt',
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help='Input file to process.')
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parser.add_argument(
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'--output',
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dest='output',
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default='subjects',
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help='Output file to write results to.')
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parser.add_argument(
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'--extension',
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dest='ext',
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default='.txt',
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help='Output file extension to use.')
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known_args, pipeline_args = parser.parse_known_args(argv)
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pipeline_args.extend([
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'--runner=DirectRunner',
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'--job_name=demo-local-job',
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])
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pipeline_options = PipelineOptions(pipeline_args)
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with beam.Pipeline(options=pipeline_options) as pipeline:
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lines = pipeline | ReadFromText(known_args.input)
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subjects = (
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lines
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| 'Subjects' >> beam.ParDo(WordParsingDoFn()).
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with_output_types(str))
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subjects | WriteToText(known_args.output, known_args.ext)
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if __name__ == '__main__':
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run()
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Spark Read Text File | RDD | DataFrame — SparkByExampleshttps://sparkbyexamples.com › spark › spark-read-text-...
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Complete example — txt files, for example, sparkContext.textFile() and sparkContext.wholeTextFiles() methods to read into RDD and spark.read.text() ...
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Quick Start - Spark 2.2.1 Documentation - Apache Sparkhttps://spark.apache.org › docs › quick-start
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scala> val textFile = spark.read.textFile("README.md") textFile: org.apache.spark.sql. ... For example, we can easily call functions declared elsewhere. We'll use ...
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Examples | Apache Spark - The Apache Software Foundation!https://spark.apache.org › examples
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You create a dataset from external data, then apply parallel operations to it. ... Creates a DataFrame having a single column named "line" df = textFile.map(lambda r: ... In this example, we read a table stored in a database and calculate the ...
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Spark read Text file into Dataframe - datanebhttps://www.dataneb.com › post › spark-read-text-file-i...
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9 Nov 2019 — Blog has four sections: Spark read Text File Spark read CSV with ... I am using squid logs as sample data for this example. ... Each library has its significance, I have commented when it's used import org.apache.spark._ import ...
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Spark Read Text File | RDD | DataFrame — SparkByExampleshttps://sparkbyexamples.com › spark › spark-read-text-...
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Complete example — txt files, for example, sparkContext.textFile() and sparkContext.wholeTextFiles() methods to read into RDD and spark.read.text() ...
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Quick Start - Spark 2.2.1 Documentation - Apache Sparkhttps://spark.apache.org › docs › quick-start
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scala> val textFile = spark.read.textFile("README.md") textFile: org.apache.spark.sql. ... For example, we can easily call functions declared elsewhere. We'll use ...
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Examples | Apache Spark - The Apache Software Foundation!https://spark.apache.org › examples
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You create a dataset from external data, then apply parallel operations to it. ... Creates a DataFrame having a single column named "line" df = textFile.map(lambda r: ... In this example, we read a table stored in a database and calculate the ...
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Spark read Text file into Dataframe - datanebhttps://www.dataneb.com › post › spark-read-text-file-i...
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9 Nov 2019 — Blog has four sections: Spark read Text File Spark read CSV with ... I am using squid logs as sample data for this example. ... Each library has its significance, I have commented when it's used import org.apache.spark._ import ...
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Spark Read Text File | RDD | DataFrame — SparkByExampleshttps://sparkbyexamples.com › spark › spark-read-text-...
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Complete example — txt files, for example, sparkContext.textFile() and sparkContext.wholeTextFiles() methods to read into RDD and spark.read.text() ...
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Quick Start - Spark 2.2.1 Documentation - Apache Sparkhttps://spark.apache.org › docs › quick-start
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scala> val textFile = spark.read.textFile("README.md") textFile: org.apache.spark.sql. ... For example, we can easily call functions declared elsewhere. We'll use ...
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Examples | Apache Spark - The Apache Software Foundation!https://spark.apache.org › examples
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You create a dataset from external data, then apply parallel operations to it. ... Creates a DataFrame having a single column named "line" df = textFile.map(lambda r: ... In this example, we read a table stored in a database and calculate the ...
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Spark read Text file into Dataframe - datanebhttps://www.dataneb.com › post › spark-read-text-file-i...
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9 Nov 2019 — Blog has four sections: Spark read Text File Spark read CSV with ... I am using squid logs as sample data for this example. ... Each library has its significance, I have commented when it's used import org.apache.spark._ import ...
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Spark Read Text File | RDD | DataFrame — SparkByExampleshttps://sparkbyexamples.com › spark › spark-read-text-...
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Complete example — txt files, for example, sparkContext.textFile() and sparkContext.wholeTextFiles() methods to read into RDD and spark.read.text() ...
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Quick Start - Spark 2.2.1 Documentation - Apache Sparkhttps://spark.apache.org › docs › quick-start
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scala> val textFile = spark.read.textFile("README.md") textFile: org.apache.spark.sql. ... For example, we can easily call functions declared elsewhere. We'll use ...
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Examples | Apache Spark - The Apache Software Foundation!https://spark.apache.org › examples
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You create a dataset from external data, then apply parallel operations to it. ... Creates a DataFrame having a single column named "line" df = textFile.map(lambda r: ... In this example, we read a table stored in a database and calculate the ...
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Spark read Text file into Dataframe - datanebhttps://www.dataneb.com › post › spark-read-text-file-i...
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9 Nov 2019 — Blog has four sections: Spark read Text File Spark read CSV with ... I am using squid logs as sample data for this example. ... Each library has its significance, I have commented when it's used import org.apache.spark._ import ...
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Spark Read Text File | RDD | DataFrame — SparkByExampleshttps://sparkbyexamples.com › spark › spark-read-text-...
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Complete example — txt files, for example, sparkContext.textFile() and sparkContext.wholeTextFiles() methods to read into RDD and spark.read.text() ...
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Quick Start - Spark 2.2.1 Documentation - Apache Sparkhttps://spark.apache.org › docs › quick-start
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scala> val textFile = spark.read.textFile("README.md") textFile: org.apache.spark.sql. ... For example, we can easily call functions declared elsewhere. We'll use ...
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Examples | Apache Spark - The Apache Software Foundation!https://spark.apache.org › examples
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You create a dataset from external data, then apply parallel operations to it. ... Creates a DataFrame having a single column named "line" df = textFile.map(lambda r: ... In this example, we read a table stored in a database and calculate the ...
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Spark read Text file into Dataframe - datanebhttps://www.dataneb.com › post › spark-read-text-file-i...
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9 Nov 2019 — Blog has four sections: Spark read Text File Spark read CSV with ... I am using squid logs as sample data for this example. ... Each library has its significance, I have commented when it's used import org.apache.spark._ import ...
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English Maths Science French Arts
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# Copyright 2021 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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runtime: python39
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from flask import Flask
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from datetime import date, datetime
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# If `entrypoint` is not defined in app.yaml, App Engine will look for an app
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# called `app` in file `main.py`. This is the case in our yaml file
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app = Flask(__name__)
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@app.route('/')
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def welcome():
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return 'Welcome Python Geek! Use appropriate URI for date and time'
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@app.route('/date')
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def today():
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today = date.today()
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return "{date:" + today.strftime("%B %d, %Y") + '}'
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@app.route('/time')
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def time():
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now = datetime.now()
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return "{time:" + now.strftime("%H:%M:%S") + '}'
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if __name__ == '__main__':
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# For local testing
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app.run(host='127.0.0.1', port=8080, debug=True)
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Flask==2.0.1
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