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134
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1 #!/usr/bin/env python
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2
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3 """
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4 JSON explorer
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5 """
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6
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687
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7 import argparse
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134
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8 import json
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687
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9 import os
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134
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10 import sys
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687
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11 import urllib2
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134
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12
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692
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13 def dereference(obj, key):
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14 if obj is None:
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15 return None
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16 if isinstance(obj, dict):
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17 return obj[key]
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18 return obj[int(key)]
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19
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134
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20 def main(args=sys.argv[1:]):
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687
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21
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22 # command line
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23 parser = argparse.ArgumentParser(description='__doc__')
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24 parser.add_argument('input', nargs='?',
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25 help="input file or url (read from stdin if ommitted)")
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26 parser.add_argument('object', nargs='*',
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27 help="object in dotted notation")
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28
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29 options = parser.parse_args(args)
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134
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30
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687
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31 # get data
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32 if not options.input or options.input == '-':
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33 data = sys.stdin
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34 elif'://' in options.input:
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35 data = urllib2.urlopen(options.input)
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36 else:
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37 data = open(options.input, 'r')
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38 obj = json.load(data)
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39
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40 if options.object:
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41 for o in options.object:
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689
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42 base = obj
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692
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43 for key in o.strip().split('.'): # split into objects
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44 base = dereference(base, key)
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45 if base is None:
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46 break
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47 print (json.dumps(base))
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134
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48 else:
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692
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49 print (json.dumps(obj, indent=2, sort_keys=True))
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134
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50
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51 if __name__ == '__main__':
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52 main()
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