https://pypi.org/project/validator.py/
校验参数必要性
from validator import Required, In, InstanceOf, Length, validate, Range
rules = {
# 1、Required 必要
# 2、长度1-255
# 3、类型string
'name': [Required, Length(1, 255), InstanceOf(str)]
}
data = {'name': ''}
chk = validate(rules, data)
print(chk)
# ValidationResult(valid=False, errors={'a': ['must be between 1 and 255 elements in Length']})
选填
# 非 Required 即可选
rules = {
'name': [Length(1, 255), InstanceOf(str)],
'user_id': [Length(11), InstanceOf(int)],
}
参数间的合法性检查
# 在某些需求中,接口需要针对不同参数值检查另外参数的合法性
rules = {
'name': [Required, Length(1, 255), InstanceOf(str)],
'value': [Required],
'type': [
Required, InstanceOf(int), range(0, 2)
If(Equals(0, Then({'value': [InstanceOf(int)]}))),
If(Equals(1, Then({'value': [InstanceOf(str), Length(1, 255)]}))),
If(Equals(2, Then({'value': [InstanceOf(bool)]}))),
],
}