Source code for airflow.providers.google.cloud.utils.validators
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#
# http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations
import json
from json import JSONDecodeError
from wtforms.validators import ValidationError
[docs]
class ValidJson:
"""
Validates data is valid JSON.
:param message:
Error message to raise in case of a validation error.
"""
def __init__(self, message=None):
[docs]
def __call__(self, form, field):
if field.data:
try:
json.loads(field.data)
except JSONDecodeError as ex:
message = self.message or f"JSON Validation Error: {ex}"
raise ValidationError(message=field.gettext(message.format(field.data)))