mirror of
https://github.com/kennethreitz/pydantic.git
synced 2026-06-05 23:00:18 +00:00
Nikita Grishko
83 lines
1.6 KiB
Python
83 lines
1.6 KiB
Python
from typing import List
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from pydantic import BaseModel, ValidationError, conint
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class Location(BaseModel):
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lat = 0.1
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lng = 10.1
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class Model(BaseModel):
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list_of_ints: List[int] = None
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a_float: float = None
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is_required: float = ...
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recursive_model: Location = None
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gt_int: conint(gt=42) = ...
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try:
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Model(
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list_of_ints=['1', 2, 'bad'],
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a_float='not a float',
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recursive_model={'lat': 4.2, 'lng': 'New York'},
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gt_int=21
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)
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except ValidationError as e:
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print(e)
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"""
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validation errors
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list_of_ints -> 2
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value is not a valid integer (type=type_error.integer)
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a_float
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value is not a valid float (type=type_error.float)
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is_required
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field required (type=value_error.missing)
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recursive_model -> lng
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value is not a valid float (type=type_error.float)
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gt_int
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ensure this value is greater than 42 (type=value_error.number.gt; limit_value=42)
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"""
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try:
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Model(list_of_ints=1, a_float=None, recursive_model=[1, 2, 3], gt_int=21)
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except ValidationError as e:
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print(e.json())
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"""
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[
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{
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"loc": [
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"list_of_ints"
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],
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"msg": "value is not a valid sequence",
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"type": "type_error.sequence"
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},
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{
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"loc": [
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"is_required"
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],
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"msg": "field required",
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"type": "value_error.missing"
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},
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{
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"loc": [
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"recursive_model"
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],
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"msg": "value is not a valid dict",
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"type": "type_error.dict"
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},
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{
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"ctx": {
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"limit_value": 42
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},
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"loc": [
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"gt_int"
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],
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"msg": "ensure this value is greater than 42",
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"type": "value_error.number.gt"
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}
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]
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"""
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