old/tfidf_comments.py

   1 from pyspark.sql import functions as f
   2 from pyspark.sql import SparkSession
   3 from pyspark.sql import Window
   4 from similarities_helper import build_tfidf_dataset
   5
   6 ## TODO:need to exclude automoderator / bot posts.
   7 ## TODO:need to exclude better handle hyperlinks.
   8
   9 spark = SparkSession.builder.getOrCreate()
  10 df = spark.read.parquet("/gscratch/comdata/output/reddit_ngrams/comment_terms.parquet")
  11
  12 include_subs = pd.read_csv("/gscratch/comdata/output/reddit_similarity/subreddits_by_num_comments.csv")
  13 include_subs = set(include_subs.loc[include_subs.comments_rank <= 25000]['subreddit'])
  14
  15 df = build_tfidf_dataset(df, include_subs, 'term')
  16
  17 df.write.parquet('/gscratch/comdata/output/reddit_similarity/reddit_similarity/subreddit_terms.parquet',mode='overwrite',compression='snappy')
  18 spark.stop()