tfidf_authors.py

   1 from pyspark.sql import SparkSession
   2 from similarities_helper import build_tfidf_dataset
   3
   4 spark = SparkSession.builder.getOrCreate()
   5
   6 df = spark.read.parquet("/gscratch/comdata/users/nathante/reddit_tfidf_test_authors.parquet_temp")
   7
   8 include_subs = set(open("/gscratch/comdata/users/nathante/cdsc-reddit/top_25000_subs_by_comments.txt"))
   9 include_subs = {s.strip('\n') for s in include_subs}
  10
  11 # remove [deleted] and AutoModerator (TODO remove other bots)
  12 df = df.filter(df.author != '[deleted]')
  13 df = df.filter(df.author != 'AutoModerator')
  14
  15 df = build_tfidf_dataset(df, include_subs, 'author')
  16
  17 df.write.parquet('/gscratch/comdata/users/nathante/subreddit_tfidf_authors.parquet',mode='overwrite',compression='snappy')
  18
  19 spark.stop()