How to Parse a JSON File with Multiple JSON Objects in Python?

Loading and Parsing a JSON File with Multiple JSON Objects

Issue:

When attempting to load a JSON file containing multiple JSON objects using the standard json module in Python, you may encounter a ValueError indicating extra data beyond the expected JSON structure.

Understanding the Issue:

The JSON file in question is formatted as a series of JSON lines, where each line represents a separate JSON object. However, the file is not valid JSON as it lacks a top-level array or object definition.

Solution:

To parse such a file effectively, you need to process each line individually:

import json

data = []
with open('file') as f:
    for line in f:
        data.append(json.loads(line))

In this code, each line in the file is read and parsed as a separate JSON object. The resulting list data contains an individual JSON object for each line in the file.

Additional Notes:

• If your JSON file contains individual JSON objects with delimiters in between, you can use a buffered approach to parse the objects one at a time, as described in How do I use the 'json' module to read in one JSON object at a time?

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