Trafaret

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- ``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
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- 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
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- removed entrypoint magic
- 0.10.0

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- 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

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


2016-09-25
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Added `trafaret` argument to `DataError` constructor and made `_failure`
a method (rather than static method)


2016-08-03
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Added `Subclass` trafaret.


2016-03-31
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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
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Fixed Key default behaviour for Dict with allowed extra when names are the
same in Key and in data source


2014-09-17
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Fixed Email validator


2012-05-30
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Renamed methods to `check_value` and `check_and_return`.
Added `Tuple` trafaret.


2012-05-28
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Fixed `Dict(...).make_optional(...)` method for a chaining support


2012-05-21
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Updated `KeysSubSet` errors propagation - now you can return error either
`{'a': DataError('message')}`, or `DataError({'a': 'message'})`


2012-05-16
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Added `__call__` alias to `check`.


2012-05-11
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Added `visitor` module.


2012-05-10
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Fixed `Dict.allow_extra` behaviour.


2012-04-12
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`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.