36 lines
962 B
Python
36 lines
962 B
Python
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from ..modules import db
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from wtforms.validators import ValidationError
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import json
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from sqlalchemy.ext import mutable
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class JsonEncodedDict(db.TypeDecorator):
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"""Enables JSON storage by encoding and decoding on the fly."""
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impl = db.Text
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def process_bind_param(self, value, dialect):
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if value is None:
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return '{}'
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else:
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return json.dumps(value)
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def process_result_value(self, value, dialect):
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if value is None:
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return {}
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else:
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return json.loads(value)
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mutable.MutableDict.associate_with(JsonEncodedDict)
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def value(min:int=0, max:int=None):
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if not max:
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message = f'Value must be greater than {min}.'
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else:
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message = f'Value must be between {min} and {max}.'
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def length(form, field):
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value = field.data or 0
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if value < min or max != None and value > max:
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raise ValidationError(message)
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return length
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