28 lines
981 B
Python
28 lines
981 B
Python
from pyspark.sql import functions as f
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from pyspark.sql import SparkSession
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from pyspark.sql import Window
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from similarities_helper import build_weekly_tfidf_dataset
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import pandas as pd
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## TODO:need to exclude automoderator / bot posts.
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## TODO:need to exclude better handle hyperlinks.
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spark = SparkSession.builder.getOrCreate()
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df = spark.read.parquet("/gscratch/comdata/output/reddit_ngrams/comment_terms.parquet")
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include_subs = pd.read_csv("/gscratch/comdata/output/reddit_similarity/subreddits_by_num_comments.csv")
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include_subs = set(include_subs.loc[include_subs.comments_rank <= 25000]['subreddit'])
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# remove [deleted] and AutoModerator (TODO remove other bots)
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# df = df.filter(df.author != '[deleted]')
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# df = df.filter(df.author != 'AutoModerator')
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df = build_weekly_tfidf_dataset(df, include_subs, 'term')
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df.write.parquet('/gscratch/comdata/output/reddit_similarity/tfidf_weekly/comment_terms.parquet', mode='overwrite', compression='snappy')
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spark.stop()
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