gistfile1.py

import os, json, csv

os.chdir("/Users/dcarleton/workspace/upload")
jsons = filter(lambda f: f.endswith(".json"), os.listdir("."))

for file in jsons:
    j = json.load(open(file))

    csv_file = open(file + ".csv", "w")
    c = csv.writer(csv_file)

    for r in j:
      c.writerow(r.values())

    csv_file.close()