Get values from JSON objects using a path expression
Project description
Get values from JSON objects usings a path expression. Optional type checking is possible.
>>> from jsonget import json_get >>> j = { ... "foo": {"num": 3.4, "s": "Text"}, ... "arr": [10, 20, 30], ... } >>> json_get(j, "/foo/num") 3.4 >>> json_get(j, "/arr[1]") 20 >>> json_get(j, "/foo/unknown") Traceback (most recent call last): ... ValueError: JSON path '/foo/unknown' not found
Values are optionally checked against one of the following types: str, int, float, bool, list, and dict. Checking for null values is not supported.
>>> json_get(j, "/foo/num", str) Traceback (most recent call last): ... TypeError: wrong JSON type str != float
float will match any number, int will only match numbers without a fractional part.
>>> json_get(j, "/foo/num", float) 3.4 >>> json_get(j, "/foo/num", int) Traceback (most recent call last): ... TypeError: wrong JSON type int != float
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