comparison json.py @ 0:3b76639ad0bb draft

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author iuc
date Mon, 28 Jul 2014 02:48:36 -0400
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children a37d92dc7fd2
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-1:000000000000 0:3b76639ad0bb
1 # -*- coding: utf-8 -*-
2
3 from galaxy.datatypes.data import Text
4 from galaxy.datatypes.data import get_file_peek
5 import json
6 import os
7
8 class Json( Text ):
9 file_ext = "json"
10
11 def set_peek( self, dataset, is_multi_byte=False ):
12 if not dataset.dataset.purged:
13 dataset.peek = get_file_peek( dataset.file_name, is_multi_byte=is_multi_byte )
14 dataset.blurb = "JavaScript Object Notation (JSON)"
15 else:
16 dataset.peek = 'file does not exist'
17 dataset.blurb = 'file purged from disc'
18
19 def sniff( self, filename ):
20 """
21 Try to load the string with the json module. If successful it's a json file.
22 """
23 try:
24 json.load( filename )
25 return True
26 except:
27 return False
28
29 def set_meta( self, dataset, **kwd ):
30 """
31
32 Set the number of models in dataset.
33 """
34 pass
35
36