--- /dev/null
+import fire
+from pyspark.sql import SparkSession
+from pyspark.sql import functions as f
+from similarities_helper import build_tfidf_dataset, build_weekly_tfidf_dataset, select_topN_subreddits
+
+
+def _tfidf_wrapper(func, inpath, outpath, topN, term_colname, exclude):
+ spark = SparkSession.builder.getOrCreate()
+
+ df = spark.read.parquet(inpath)
+
+ df = df.filter(~ f.col(term_colname).isin(exclude))
+
+ include_subs = select_topN_subreddits(topN)
+
+ df = func(df, include_subs, term_colname)
+
+ df.write.parquet(outpath,mode='overwrite',compression='snappy')
+
+ spark.stop()
+
+def tfidf(inpath, outpath, topN, term_colname, exclude):
+ return _tfidf_wrapper(build_tfidf_dataset, inpath, outpath, topN, term_colname, exclude)
+
+def tfidf_weekly(inpath, outpath, topN, term_colname, exclude):
+ return _tfidf_wrapper(build_weekly_tfidf_dataset, inpath, outpath, topN, term_colname, exclude)
+
+def tfidf_authors(outpath='/gscratch/comdata/output/reddit_similarity/tfidf/comment_authors.parquet',
+ topN=25000):
+
+ return tfidf("/gscratch/comdata/output/reddit_ngrams/comment_authors.parquet",
+ outpath,
+ topN,
+ 'author',
+ ['[deleted]','AutoModerator']
+ )
+
+def tfidf_terms(outpath='/gscratch/comdata/output/reddit_similarity/tfidf/comment_terms.parquet',
+ topN=25000):
+
+ return tfidf("/gscratch/comdata/output/reddit_ngrams/comment_terms.parquet",
+ outpath,
+ topN,
+ 'term',
+ []
+ )
+
+def tfidf_authors_weekly(outpath='/gscratch/comdata/output/reddit_similarity/tfidf/comment_authors.parquet',
+ topN=25000):
+
+ return tfidf_weekly("/gscratch/comdata/output/reddit_ngrams/comment_authors.parquet",
+ outpath,
+ topN,
+ 'author',
+ ['[deleted]','AutoModerator']
+ )
+
+def tfidf_terms_weekly(outpath='/gscratch/comdata/output/reddit_similarity/tfidf/comment_terms.parquet',
+ topN=25000):
+
+ return tfidf_weekly("/gscratch/comdata/output/reddit_ngrams/comment_terms.parquet",
+ outpath,
+ topN,
+ 'term',
+ []
+ )
+
+
+if __name__ == "__main__":
+ fire.Fire({'authors':tfidf_authors,
+ 'terms':tfidf_terms,
+ 'authors_weekly':tfidf_authors_weekly,
+ 'terms_weekly':tfidf_terms_weekly})