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dekker.one
1import json, copy
2
3 ######################## Methods to store program config in JSON ########
4 ######################## Config can be incrementable, see mergeJSON #####
5 ########################### JSON CONFIG & STUFF #########################
6n_JSON_Indent = 4
7s_AddKey = "ADD_KEY::" ## The prefix for keys to be added in new backend definitions
8 ## The prefix itself is not added
9 ## TODO: remove in lvalue
10s_CommentKey = "///COMMENT" ## The key for comments in JSON config dictionaries
11
12## Returns a merge of j2 into j1.
13def mergeJSON( j1, j2 ):
14 jNew = None
15 if dict==type(j1) and dict==type(j2):
16 jNew = copy.deepcopy( j1, {} )
17 for key in j2:
18 if key in j1:
19 jNew[key] = mergeJSON( j1[key], j2[key] )
20 else:
21 assert key.startswith( s_AddKey ), "Adding key %s: does not start with the prefix %s, j1: %s" % (key, s_AddKey, j1.__str__())
22 jNew[key[len(s_AddKey):]] = j2[key]
23 elif list==type(j1) and list==type(j2):
24 jNew = []
25 for i in range( 0, len(j2) ): ## Can assign a shorter list this way
26 if i<len(j1):
27 jNew.append( mergeJSON( j1[i], j2[i] ) )
28 else:
29 jNew.append( j2[i] )
30 elif type(j1)==type(j2):
31 jNew = j2
32 else:
33 print( "\n\n ERROR: Could not merge JSON objects:" );
34 print( json.dumps( j1 ) )
35 print( "\n -- TO BE MERGED BY --\n" )
36 print( json.dumps( j2 ) )
37 sys.quit()
38 return jNew
39