📎 Quick JSON5 (qjson5)
A quick JSON5 implementation written in C, with Python bindings.
Install
pip install qjson5
Usage
import qjson5
data = {
"key": "value",
"array": [1, 2, 3],
"object": {
"nested": "value"
}
}
encoded = qjson5.dumps(data)
print(f"Encoded: {encoded}")
decoded = qjson5.loads(encoded)
print(f"Decoded: {decoded}")
Complex Usage
{
// comments
unquoted: 'and you can quote me on that',
singleQuotes: 'I can use "double quotes" here',
lineBreaks: "Look, Mom! \
No \\n's!",
hexadecimal: 0xdecaf,
leadingDecimalPoint: .8675309, andTrailing: 8675309.,
positiveSign: +1,
trailingComma: 'in objects', andIn: ['arrays',],
"backwardsCompatible": "with JSON",
}
import qjson5
with open("in.json5") as f_in:
with open("out.json", "w") as f_out:
qjson5.dump(qjson5.load(f_in), f_out, indent=4)
{
"unquoted": "and you can quote me on that",
"singleQuotes": "I can use \"double quotes\" here",
"lineBreaks": "Look, Mom! No \\n's!",
"hexadecimal": 912559,
"leadingDecimalPoint": 0.8675309,
"andTrailing": 8675309,
"positiveSign": 1,
"trailingComma": "in objects",
"andIn": [
"arrays"
],
"backwardsCompatible": "with JSON"
}
Benchmark
Comparing with the other JSON5 libraries:
Non-JSON5 library:
- json (built-in)
==== JSON Libraries Dump+Load Benchmark ====
--- Data Set: SMALL (10 keys per level, 2 levels) ---
json5 => avg: 5274.9761 ms (std: 74.0018 ms) over 1000 iterations
builtin-json => avg: 14.1933 ms (std: 0.5063 ms) over 1000 iterations
pyjson5 => avg: 11.7564 ms (std: 0.1826 ms) over 1000 iterations
qjson5 => avg: 8.4363 ms (std: 0.0669 ms) over 1000 iterations
--- Data Set: MEDIUM (100 keys per level, 10 levels) ---
json5 => Skipped
builtin-json => avg: 150.4009 ms (std: 1.8448 ms) over 500 iterations
pyjson5 => avg: 147.5031 ms (std: 0.8454 ms) over 500 iterations
qjson5 => avg: 98.7803 ms (std: 0.3422 ms) over 500 iterations
--- Data Set: LARGE (1000 keys per level, 50 levels) ---
json5 => Skipped
builtin-json => avg: 150.6014 ms (std: 3.4461 ms) over 10 iterations
pyjson5 => Error: Maximum nesting level exceeded near 4642
qjson5 => avg: 99.5796 ms (std: 0.9641 ms) over 10 iterations
See scripts/benchmark.py for benchmarking details.
1 maintainer
Metadata
1 maintainer
Release files for qjson5 1.0.3
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| qjson5-1.0.3.tar.gz | 13.0 kB | Details |
Built distributions (wheels)
Total release size: 637.1 kB
Release files / qjson5-1.0.3.tar.gz
| Download URL | qjson5-1.0.3.tar.gz |
|---|---|
| Size | 13.0 kB |
| Tags | Source |
|
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| Tags | Linux glibc 2.17+ x86-64 PyPy 3.11 PyPy 3.11 7.3 |
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| Size | 18.7 kB |
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