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我最近开始为我们的一个项目探索 JSON Schema。用例非常简单，经过大量谷歌搜索后，我仍然无法使其工作。其实我有点迷失在这里。. 这就是我尝试过的https://json-schema.org/understanding-json-schema/structuring.html

我的common_data_schema.json

{   
 "definitions": {
    "sp_common_data": {
      "type": "object",
      "properties": {
        "os_ip": {
          "type": "string",
          "format": "ipv4"
        },
        "os_user": {
          "type": "string"
        },
        "os_pwd": {
          "type": "string"
        },
        "remote_os": {
          "default": "Windows",
          "enum": [
            "Linux",
            "Windows"
          ]
        }
      },
      "required": [
        "os_ip",
        "os_user",
        "os_pwd",
        "remote_os"
      ]
    }   },   
    "type": "object",   
    "properties": {
       "sp_must_data":{ "$ref": "#/definitions/sp_common_data" }   
   } 
}

现在我的server_update.json架构，我想验证common_data_schema+new properties

{
  "$schema": "http://json-schema.org/draft-07/schema#",
   "type": "object",
   "properties": {
      "sp_must_data":{"$ref": "common_data_schema.json#sp_common_data"},
      "file": {
        "type": "string"
      }
    }
  }

但是，当我尝试使用https://python-jsonschema.readthedocs.io/en/stable/server_update.json验证架构时，它不会考虑架构定义jsonschema $refcommon_data_schema.json

schema loader逻辑很简单，我所有的模式都驻留在 文件artifacts夹中

import json
from pathlib import Path

# Location for the test artifacts
artifacts = Path(__file__).parent.parent.joinpath("artifacts").resolve()


def load_schema(filename):
    data = open(Path(artifacts).joinpath(filename), "r").read()
    return json.loads(data)

下面的json schema验证逻辑

from typing import Dict, List
from jsonschema import Draft7Validator, exceptions


def validate(schema: Dict, instance: Dict) -> List[exceptions.ValidationError]:
    """
    Validate the instance using the specified schema

    :param schema: Schema object
    :param instance: instance Object
    :return: List of errors during validation
    """

    validator = Draft7Validator(schema=schema)
    return list(validator.iter_errors(instance))
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