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| Current File : //bin/jsonpointer-3 |
#!/usr/bin/python3 -s
# -*- coding: utf-8 -*-
from __future__ import print_function
import sys
import os.path
import json
import jsonpointer
import argparse
parser = argparse.ArgumentParser(
description='Resolve a JSON pointer on JSON files')
# Accept pointer as argument or as file
ptr_group = parser.add_mutually_exclusive_group(required=True)
ptr_group.add_argument('-f', '--pointer-file', type=argparse.FileType('r'),
nargs='?',
help='File containing a JSON pointer expression')
ptr_group.add_argument('POINTER', type=str, nargs='?',
help='A JSON pointer expression')
parser.add_argument('FILE', type=argparse.FileType('r'), nargs='+',
help='Files for which the pointer should be resolved')
parser.add_argument('--indent', type=int, default=None,
help='Indent output by n spaces')
parser.add_argument('-v', '--version', action='version',
version='%(prog)s ' + jsonpointer.__version__)
def main():
try:
resolve_files()
except KeyboardInterrupt:
sys.exit(1)
def parse_pointer(args):
if args.POINTER:
ptr = args.POINTER
elif args.pointer_file:
ptr = args.pointer_file.read().strip()
else:
parser.print_usage()
sys.exit(1)
return ptr
def resolve_files():
""" Resolve a JSON pointer on JSON files """
args = parser.parse_args()
ptr = parse_pointer(args)
for f in args.FILE:
doc = json.load(f)
try:
result = jsonpointer.resolve_pointer(doc, ptr)
print(json.dumps(result, indent=args.indent))
except jsonpointer.JsonPointerException as e:
print('Could not resolve pointer: %s' % str(e), file=sys.stderr)
if __name__ == "__main__":
main()