--- /dev/null
+#!/usr/bin/env python3
+"""
+Builds a user level dataset. Requires a functional spark installation.
+
+"""
+
+import sys
+# add pyspark to your python path e.g.
+#sys.path.append("/home/nathante/sparkstuff/spark/python/pyspark")
+#sys.path.append("/home/nathante/sparkstuff/spark/python/")
+from pyspark import SparkConf
+from pyspark.sql import SparkSession, SQLContext
+from pyspark.sql import Window
+import pyspark.sql.functions as f
+from pyspark.sql import types
+import argparse
+import glob
+from os import mkdir
+from os import path
+
+#read a table
+
+def parse_args():
+
+ parser = argparse.ArgumentParser(description='Create a dataset of edits by user.')
+ parser.add_argument('-i', '--input-file', help='Tsv file of wiki edits. Supports wildcards ', required=True, type=str)
+ parser.add_argument('-o', '--output-dir', help='Output directory', default='./output', type=str)
+# parser.add_argument('--wiki', help="Wiki name. If not provided, we will guess based on the filename.", type=str)
+# parser.add_argument('--urlencode', help="whether we need to decode urls",action="store_true")
+ parser.add_argument('--output-format', help = "[csv, parquet] format to output",type=str)
+ parser.add_argument('--num-partitions', help = "number of partitions to output",type=int, default=1)
+# parser.add_argument('--ignore-input-errors', help = "ignore bad lines in input",action="store_true")
+# parser.add_argument('--nodes', help = "how many hyak nodes to use", default=0, type=int)
+ args = parser.parse_args()
+ return(args)
+
+if __name__ == "__main__":
+ args = parse_args()
+ conf = SparkConf().setAppName("Wiki Users Spark")
+ spark = SparkSession.builder.getOrCreate()
+ files = glob.glob(args.input_file)
+ files = [path.abspath(p) for p in files]
+ reader = spark.read
+
+
+ # going to have to do some coercing of the schema
+
+ # build a schema
+ struct = types.StructType().add("anon",types.StringType(),True)
+ struct = struct.add("articleid",types.LongType(),True)
+ struct = struct.add("date_time",types.TimestampType(), True)
+ struct = struct.add("deleted",types.BooleanType(), True)
+ struct = struct.add("editor",types.StringType(),True)
+ struct = struct.add("editor_id",types.LongType(), True)
+ struct = struct.add("minor", types.BooleanType(), True)
+ struct = struct.add("namespace", types.LongType(), True)
+ struct = struct.add("revert", types.BooleanType(), True)
+ struct = struct.add("reverteds", types.StringType(), True)
+ struct = struct.add("revid", types.LongType(), True)
+ struct = struct.add("sha1", types.StringType(), True)
+ struct = struct.add("text_chars", types.LongType(), True)
+ struct = struct.add("title",types.StringType(), True)
+ df = reader.csv(files,
+ sep='\t',
+ inferSchema=False,
+ header=True,
+ mode="PERMISSIVE",
+ schema = struct)
+ df = df.repartition(args.num_partitions)
+ # replace na editor ids
+ df = df.select('*',f.coalesce(df['editor_id'],df['editor']).alias('editor_id_or_ip'))
+
+ # assign which edit reverted what edit
+ reverteds_df = df.filter(~ df.reverteds.isNull()).select(['revid','reverteds'])
+ reverteds_df = reverteds_df.select("*", f.split(reverteds_df.reverteds,',').alias("reverteds_new"))
+ reverteds_df = reverteds_df.drop("reverteds")
+ reverteds_df = reverteds_df.withColumnRenamed("reverteds_new", "reverteds")
+ reverteds_df = reverteds_df.select(reverteds_df.revid.alias('reverted_by'),
+ f.explode(reverteds_df.reverteds).alias('reverted_id'))
+ df = df.join(reverteds_df, df.revid == reverteds_df.reverted_id, how='left_outer')
+ df.drop("reverted_id")
+
+ # sort by datetime
+ df = df.orderBy(df.date_time.asc())
+ win = Window.orderBy('date_time').partitionBy('editor_id_or_ip')
+
+ # count reverts
+ reverts_df = df.filter(df.revert==True).select(['revid','editor_id_or_ip','date_time','revert'])
+ reverts_df = reverts_df.withColumn('editor_nth_revert',f.rank().over(win))
+ df = df.join(reverts_df, ["revid",'editor_id_or_ip','date_time','revert'], how='left_outer')
+ del(reverts_df)
+
+ # count edits
+ df = df.withColumn('year', f.year(df.date_time))
+ df = df.withColumn('month',f.month(df.date_time))
+ df = df.withColumn('editor_nth_edit',f.rank().over(win))
+
+ # output
+ if not path.exists(args.output_dir):
+ mkdir(args.output_dir)
+ if args.output_format == "csv" or args.output_format == "tsv":
+ df.write.csv(args.output_dir, sep='\t', mode='overwrite',header=True,timestampFormat="yyyy-MM-dd HH:mm:ss")
+ # format == "parquet"
+ else:
+ df.write.parquet(args.output_dir, mode='overwrite')
+
+ # for writing to csv we need to urlencode