understanding-json-schema | website aiming to provide more accessible documentation | JSON Processing library
kandi X-RAY | understanding-json-schema Summary
kandi X-RAY | understanding-json-schema Summary
A website aiming to provide more accessible documentation for JSON schema.
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Top functions reviewed by kandi - BETA
- Run jsonschema
- Split a JSON string into a list of parts
- Validate the part
- Visitor for pages nodes
- Make a unique identifier
- Runs the parser
understanding-json-schema Key Features
understanding-json-schema Examples and Code Snippets
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CopyMost of the documentation for this package assumes you're familiar with the fundamentals of writing JSON schemas themselves, and focuses on how this library helps you validate with them in Python.
If you aren't already comfortable with writing schema Community Discussions
Trending Discussions on understanding-json-schema
QUESTION
I just wrote my first JSON schemas, great! However, I am now looking at how to structure multiple JSON schemas, both during development and later how to host them. There seems to be very limited guidance on this.
Of course, I looked up the official json-schema.org documentation on how to structure a complex scheme, and even got something to work. I now have three schemas, organized during development in a folder structure as follows:
...ANSWER
Answered 2022-Jan-21 at 23:48Like code organization, there is no one right answer. If you are going to reuse a particular schema in a number of different environments, putting it in a separate file can make sense. But if you're only going to use it in one place, it may be more convenient to put it under a $defs in the same file. You could even give that schema a nicer name to reference it, via $anchor.
QUESTION
in JSON-schema, one can require certain keys in an object, see this example, taken from the json schema docs:
...ANSWER
Answered 2021-Dec-07 at 20:00You can exclude certain keys by name with:
QUESTION
Apparently json schema doesn't like this regex: ^(?=.{1,63}$)([-a-z0-9]*[a-z0-9])?$
https://regex101.com/r/qsyUoQ/1
I get an error: pattern must be a valid regex. This error means the regex pattern I'm using is invalid according to json schema.
My regex seems to be valid for most other parsers though. and json schema supports positive and negative look aheads and capture groups: https://json-schema.org/understanding-json-schema/reference/regular_expressions.html
Is there some json schema specific escaping I need to do with my pattern?
I'm at a loss to see what it doesn't like about my regex.
The regex I want will do the following:
- Allow lower case chars, numbers and "-"
- Can start with but not end with "-"
- Max length of string cannot exceed 63 chars
ANSWER
Answered 2022-Jan-04 at 20:24You could simplify the pattern to use the character classes and quantifiers without using the lookahead and the capture group.
You can change the quantifiers, matching 0-62 chars allowing the - and a single char without the - as a single char would also mean that it is at the end.
QUESTION
I am trying to learn json schema, but something isn't working out for me. I'm trying to run the example from http://json-schema.org/understanding-json-schema/reference/conditionals.html#id4 for dependentSchemas, but it just doesn't validate.
I'm using this schema:
...ANSWER
Answered 2021-Nov-24 at 16:29If you are using an implementation that doesn't support at least draft2019-09 of the specification, dependentSchemas won't be recognized as a keyword. In earlier versions (draft7 and before), that keyword was known as dependencies, with the same syntax (actually, dependencies was split into two, dependentSchemas and dependentRequired).
The details are described on the page you linked, https://json-schema.org/understanding-json-schema/reference/conditionals.html#dependentschemas.
If you still believe that what you have should work, I suggest you open a bug report on the implementation's issue queue.
QUESTION
I am trying to validate a JSON file using jsonchema. However, the library is trying to make a GET request and I want to avoid that.
...ANSWER
Answered 2021-Nov-22 at 13:41You have to provide your other schemas to the implementation.
With this implementation, you must provide a RefResolver to the validate function.
You'll need to either provide a single base_uri and referrer (the schema), or a store which contains a dictionary of URI to schema.
Additionally, you may handle protocols with a function.
Your RefResolver would look like the following...
refResolver = jsonschema.RefResolver(referrer=point_schema, base_uri='https://example.com/schemas/point'
QUESTION
According to json-schema.org, it is best practice to include the $id field with objects.
I'm struggling with how to get this at the top level, for example;
...ANSWER
Answered 2021-Nov-15 at 20:34Pydantic provides a number of ways of schema customization. For example, using schema_extra config option:
QUESTION
I am using python's jsonschema to validate YAML files. One of the things I can't figure out how to do is allow nested arrays but enforce the base type of all array items are strings. I need this capability to handle YAML anchors. For example, how would I construct the schema to ensure that a, b, c,... are all strings? For reference, I don't know how nested this array will be so I don't think using simple anyOf would work.
ANSWER
Answered 2021-Oct-26 at 17:29For a single level array of strings:
QUESTION
I have the following schema:
...ANSWER
Answered 2021-Aug-28 at 16:54Your conditionals don't have any "else" clauses -- so if the if part is false, the else will default to true which will cause that branch of the allOf to be true. You probably want to add an "else": false to each one of those.
(Also, I noticed your regexes aren't anchored - so e.g. "abc01234xyz" will match your US postal_code pattern.)
QUESTION
I am trying to write a schema, where if property A is present then property B or C should also per present using dependencyschema construct, and in my schema, I have turned off any additionalProperties.
...ANSWER
Answered 2021-Aug-05 at 20:42additionalProperties can only take into account properties (and patternProperties) at the same schema object level.
If you change this to unevaluatedProperties you will find it working.
unevaluatedProperties can "see through" applicator keywords, such as dependentSchemas. It must wait for other keywords to be resolved first, and is resolved last.
QUESTION
Is there a way to have the json schema validator to validate keys of a json object? For example:
...ANSWER
Answered 2021-Jul-30 at 18:54You should be able to use additionalProperties to make an object invalid that doesn't pass the patternProperties you've required.
By default any additional properties are allowed.
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