fivalid Lightweight field data validator
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Python library Python data Validator data validator

fivalid Description

fivalid is lightweight field data validator module written in Python.Featuresdata validation:>>> from fivalid import validators>>> num = validators.Number(max=20)>>> num(10)>>> num(21)fivalid.validators.InvalidValueError: over maxdata validation and conversion:>>> from fivalid import BaseField, validators, converters>>> class PercentageField(BaseField):... validator = validators.All(... validators.Number(min=0, max=100),... validators.String())... converter = converters.int_converter>>> field = PercentageField()>>> field('99')99>>> field('200')fivalid.validators.InvalidValueError: over maxstructured data (e.g. nested dict, nested list) validation and conversion:>>> from fivalid import StructuredFields, Dict, BaseField>>> from fivalid.validators import String, Length, All, Flag>>> from fivalid.converters import truthvalue_converter>>> class CommentField(BaseField):... validator = All(String(), Length(max=500))>>> class NicknameField(BaseField):... validator = All(String(), Length(max=20))>>> class RememberMeField(BaseField):... validator = Flag()... converter = truthvalue_converter>>> rule = Dict(... {'comment': CommentField(required=True),... 'nickname': NicknameField(),... 'remember me': RememberMeField()}... )>>> stfields = StructuredFields(rule)>>> stfields({'comment': 'Hello, fivalid.',... 'nickname': 'John Doe',... 'remember me': '1'}... ){'comment': u'Hello, fivalid.', 'nickname': u'John Doe', 'remember me': True}Product's homepage

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