Python has a couple of packages which parse / dump JSON for you. Here is a comparison of them. The dates are as of 2020-09-26 07:00+00:00:
| cPython JSON | simplejson | ujson | orjson | pysimdjson | python-rapidjson | |
|---|---|---|---|---|---|---|
| License | Python Software Foundation License | MIT / Academic Free License (AFL) | BSD License | MIT / Apache | MIT | MIT |
| Maturity | ||||||
| Version | 3.8.6 | 3.17.2 | 3.2.0 | 3.4.0 | 3.0.0 | 0.9.1 |
| Development Status | Production/Stable | Production/Stable | Production/Stable | Alpha | Alpha | |
| GH First release | 1993-01-10 | 2006-01-01 | 2012-06-18 | 2018-11-23 | 2019-02-23 | 2017-03-02 |
| CI-Pipeline | GH, Travis, Azure | GH, Travis, Appveyor | GH, Travis | Azure | GH, Travis | Appveyor |
| Operational Safety | ||||||
| GH Organization | ✓ | ✓ | ✓ | ✗ | ✗ | ✓ |
| GH Contributors | 1319 | 30 | 50 | 9 | 7 | 15 |
| Last release | 2020-09-23 | 2020-07-16 | 2020-09-08 | 2020-09-25 | 2020-08-21 | 2019-11-13 |
| Last Commit | 2020-09-25 | 2020-07-16 | 2020-09-19 | 2020-09-25 | 2020-08-31 | 2020-05-08 |
| PyPI Maintainers | 3 | 4 | 1 | 1 | 2 | |
| Users | ||||||
| GH Stars | 33,700 | 1310 | 2966 | 1348 | 374 | 397 |
| GH Forks | 16,200 | 290 | 306 | 48 | 25 | 31 |
| GH Used By | - | 47,164 | 14,760 | 613 | 11 | 661 |
| StackOverflow Questions | 279 | 6 | 3 | - | 319 | |
| Benchmarks | ||||||
| GeoJSON Read | 48ms | 45ms | 22ms | 19ms | 14ms | 83ms |
| GeoJSON Write | 291ms | 352ms | 34ms | 15ms | 289ms | 108ms |
| Twitter Read | 6ms | 6ms | 6ms | 5ms | 6ms | 9ms |
| Twitter Write | 25ms | 33ms | 5ms | 3ms | 24ms | 6ms |
| 2MB Float List Read | 36ms | 37ms | 16ms | 9ms | 7ms | 66ms |
| 2MB Float List Write | 161ms | 186ms | 25ms | 12ms | 164ms | 104ms |
- The baseline for reading is just reading the text file as text.
- The baseline for writing is dumping the JSON as text (converted to text before)
