你如何导入jsonschema？

Question

我有这个非常简单的代码来验证 Json 模式：

from jsonschema import validate

schema = {"type" : "object","properties" : {"command":{"type" : "string"}},"required": ["command"]}
request= {"command":12} 

try:
    jsonschema.validate(request, schema)
except jsonschema.ValidationError as e:
    print e.message
except jsonschema.SchemaError as e:
    print e

我得到了；

Traceback (most recent call last):
  File "./json_validator.py", line 8, in <module>
    except jsonschema.ValidationError as e:
NameError: name 'jsonschema' is not defined

有什么想法吗？

Answer 1

如果你导入 like

from jsonschema import validate

来自模块 jsonschema 的

validate 将在您当前的模块中可用。您必须将其用作 validate 而不是 jsonschema.validate.

from jsonschema import validate

schema = {"type" : "object","properties" : {"command":{"type" : "string"}},"required": ["command"]}
request= {"command":12} 

try:
    validate(request, schema)
except jsonschema.ValidationError as e:
    print e.message
except jsonschema.SchemaError as e:
    print e

您的代码还缺少异常的导入：

from jsonschema import validate, ValidationError, SchemaError

你如何导入jsonschema？

How do you import jsonschema?

python

python-import