Changelog

2.0.0

  • WithRepr – use it to return custom representation, like <Email>
  • Strip a lot from dict, like keys()
  • Trafarets are not mutable
  • DataError has new code attribute, self.failure has code argument
  • OnError has code argument too
  • New DataError.to_struct method that returns errors in more consistent way
  • String, AnyString, Bytes, FromBytes(encoding=utf-8)
  • Int, ToInt, Float, ToFloat
  • ToDecimal
  • Iterable that acts like a List, but works with any iterable
  • New Date, ToDate and DateTime, ToDateTime trafarets
  • StrBool trafaret renamed to ToBool
  • Visitor trafaret was deleted
  • Test coverage

1.0.3

  • new trafaret.keys dict key subdict from trafaret_schema

1.0.1

  • Date catches TypeError in cases like None

1.0.0

  • Or is immutable now
  • fixes for OnError, DeepKey
  • default Key implementations for Dict will return original key name in case of incorrect value

2017-08-04

  • converters and convert=False are deleted in favor of And and &
  • String parameter regex deleted in favor of Regexp and RegexpRaw usage
  • new OnError to customize error message
  • context=something argument for __call__ and check Trafaret methods. Supported by Or, And, Forward etc.
  • new customizable method transform like change_and_return but takes context= arg
  • new trafaret_instance.async_check method that works with await

2017-05-12

  • removed entrypoint magic
  • 0.10.0

2017-03-25 0.9.0

  • added And trafaret and & shortcut operation.
  • change >> behaviour. From now on Trafaret does not use self.converters and use And trafaret instead
  • added RegxpRaw and Regexp trafarets. RegexpRaw returns re.Match object and Regexp returns match string.
  • deprecate String regex argument in favor to Regexp and RegexpRaw usage
  • Dict now takes allow_extra, allow_extra_trafaret and ignore_extra keyword arguments as preferred alternative to methods

0.8.1

  • added trafaret.constructor. Now you can use construct and C from this package.

2016-09-25

Added trafaret argument to DataError constructor and made _failure a method (rather than static method)

2016-08-03

Added Subclass trafaret.

2016-03-31

Fixed loading contrib modules, so now original contrib module loading exception will be raised on contrib Trafaret access. Added value option to internal _failure interface, and option value to DataError.as_dict method.

2016-03-18

Fixed Key default behaviour for Dict with allowed extra when names are the same in Key and in data source

2014-09-17

Fixed Email validator

2012-05-30

Renamed methods to check_value and check_and_return. Added Tuple trafaret.

2012-05-28

Fixed Dict(…).make_optional(…) method for a chaining support

2012-05-21

Updated KeysSubSet errors propagation - now you can return error either {‘a’: DataError(‘message’)}, or DataError({‘a’: ‘message’})

2012-05-16

Added __call__ alias to check.

2012-05-11

Added visitor module.

2012-05-10

Fixed Dict.allow_extra behaviour.

2012-04-12

Int will not convert not-rounded floats like 2.2

Dict have .ignore_extra method, similar to .allow_extra, but given keys will not included to result dict. If you will provide *, any extra will be ignored.