Comment by js2

If you're going to extend Go the courtesy of customizing the parser, oughtn't you do the same for Python (and all the languages)?

To wit, Python's json module has `parse_float` and `parse_int` hooks:

https://docs.python.org/3/library/json.html#encoders-and-dec...

Example:

  >>> json.loads('{"int":12345,"float":123.45}', parse_int=str, parse_float=str)
  {'int': '12345', 'float': '123.45'}

FWIW, when I've cared about interop and controlled the schema, I've specified JSON strings for numbers, along with the range, precision, and representation. This is no worse (nor better) than using RFC 3339 for dates.