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jsonslicer_streaming_json_path_extraction_with_wildcard.py

python

Streams a JSON file and extracts specific objects based on a path pattern to

15d ago15 lineslukeross/jsonslicer
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jsonslicer_streaming_json_path_extraction_with_wildcard.py
1from jsonslicer import JsonSlicer
2
3# Example data: a large JSON file containing a list of objects
4# {
5#   "users": [
6#     {"id": 1, "name": "Alice"},
7#     {"id": 2, "name": "Bob"}
8#   ]
9# }
10
11with open('data.json', 'r') as f:
12    # The path is a list of keys/indices to reach the desired objects
13    # Use None as a wildcard for array elements or any dictionary key
14    for user in JsonSlicer(f, ('users', None)):
15        print(user['name'])