#!/usr/bin/env python
import argparse
import json
import os
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('repodata', action='store')
args = parser.parse_args()
filename = args.repodata
if '.json' not in os.path.splitext(filename)[1]:
print("JSON formatted file required.")
exit(1)
repodata = None
with open(filename, 'r') as data:
repodata = json.load(data)
if repodata is None:
print("Invalid JSON file.")
exit(1)
print('')
print('')
print('Repository Contents')
print('')
print('')
for key, subdict in sorted(repodata['packages'].items()):
print("{0:50s} {1:>40s} {2:>20d}kb".format(key, subdict['md5'], subdict['size']))
print('')
print('')
print('