Changelog

1.1.1 (2015-11-14)

Bug fixes:

aiohttpparser: Fix bug that raised a JSONDecodeError raised when parsing non-JSON requests using default locations (:issue:`80`). Thanks :user:`leonidumanskiy` for reporting.
Fix parsing JSON requests that have a vendor media type, e.g. application/vnd.api+json.

1.1.0 (2015-11-08)

Features:

Parser.parse, Parser.use_args and Parser.use_kwargs can take a Schema factory as the first argument (:issue:`73`). Thanks :user:`DamianHeard` for the suggestion and the PR.

Support:

Docs: Add "Custom Parsers" section with example of parsing nested querystring arguments (:issue:`74`). Thanks :user:`dwieeb`.
Docs: Add "Advanced Usage" page.

1.0.0 (2015-10-19)

Features:

Add AIOHTTPParser (:issue:`71`).
Add webargs.async module with AsyncParser.

Bug fixes:

If an empty list is passed to a List argument, it will be parsed as an empty list rather than being excluded from the parsed arguments dict (:issue:`70`). Thanks :user:`mTatcher` for catching this.

Other changes:

Backwards-incompatible: When decorating resource methods with FalconParser.use_args, the parsed arguments dictionary will be positioned after the request and response arguments.
Backwards-incompatible: When decorating views with DjangoParser.use_args, the parsed arguments dictionary will be positioned after the request argument.
Backwards-incompatible: Parser.get_request_from_view_args gets passed a view function as its first argument.
Backwards-incompatible: Remove logging from default error handlers.

0.18.0 (2015-10-04)

Features:

Add FalconParser (:issue:`63`).
Add fields.DelimitedList (:issue:`66`). Thanks :user:`jmcarp`.
TornadoParser will parse json with simplejson if it is installed.
BottleParser caches parsed json per-request for improved performance.

No breaking changes. Yay!

0.17.0 (2015-09-29)

Features:

TornadoParser returns unicode strings rather than bytestrings (:issue:`41`). Thanks :user:`thomasboyt` for the suggestion.
Add Parser.get_default_request and Parser.get_request_from_view_args hooks to simplify Parser implementations.
Backwards-compatible: webargs.core.get_value takes a Field as its last argument. Note: this is technically a breaking change, but this won't affect most users since get_value is only used internally by Parser classes.

Support:

Add examples/annotations_example.py (demonstrates using Python 3 function annotations to define request arguments).
Fix examples. Thanks :user:`hyunchel` for catching an error in the Flask error handling docs.

Bug fixes:

Correctly pass validate and force_all params to PyramidParser.use_args.

0.16.0 (2015-09-27)

The major change in this release is that webargs now depends on marshmallow for defining arguments and validation.

Your code will need to be updated to use Fields rather than Args.

# Old API
from webargs import Arg

args = {
    'name': Arg(str, required=True)
    'password': Arg(str, validate=lambda p: len(p) >= 6),
    'display_per_page': Arg(int, default=10),
    'nickname': Arg(multiple=True),
    'Content-Type': Arg(dest='content_type', location='headers'),
    'location': Arg({
        'city': Arg(str),
        'state': Arg(str)
    })
    'meta': Arg(dict),
}

# New API
from webargs import fields

args = {
    'name': fields.Str(required=True)
    'password': fields.Str(validate=lambda p: len(p) >= 6),
    'display_per_page': fields.Int(missing=10),
    'nickname': fields.List(fields.Str()),
    'content_type': fields.Str(load_from='Content-Type'),
    'location': fields.Nested({
        'city': fields.Str(),
        'state': fields.Str()
    }),
    'meta': fields.Dict(),
}

Features:

Error messages for all arguments are "bundled" (:issue:`58`).

Changes:

Backwards-incompatible: Replace Args with marshmallow fields (:issue:`61`).
Backwards-incompatible: When using use_kwargs, missing arguments will have the special value missing rather than None.
TornadoParser raises a custom HTTPError with a messages attribute when validation fails.

Bug fixes:

Fix required validation of nested arguments (:issue:`39`, :issue:`51`). These are fixed by virtue of using marshmallow's Nested field. Thanks :user:`ewang` and :user:`chavz` for reporting.

Support:

Updated docs.
Add examples/schema_example.py.
Tested against Python 3.5.

0.15.0 (2015-08-22)

Changes:

If a parsed argument is None, the type conversion function is not called :issue:`54`. Thanks :user:`marcellarius`.

Bug fixes:

Fix parsing nested Args when the argument is missing from the input (:issue:`52`). Thanks :user:`stas`.

0.14.0 (2015-06-28)

Features:

Add parsing of matchdict to PyramidParser. Thanks :user:`hartror`.

Bug fixes:

Fix PyramidParser's use_kwargs method (:issue:`42`). Thanks :user:`hartror` for the catch and patch.
Correctly use locations passed to Parser's constructor when using use_args (:issue:`44`). Thanks :user:`jacebrowning` for the catch and patch.
Fix behavior of default and dest argument on nested Args (:issue:`40` and :issue:`46`). Thanks :user:`stas`.

Changes:

A 422 response is returned to the client when a ValidationError is raised by a parser (:issue:`38`).

0.13.0 (2015-04-05)

Features:

Support for webapp2 via the webargs.webapp2parser module. Thanks :user:`Trii`.
Store argument name on RequiredArgMissingError. Thanks :user:`stas`.
Allow error messages for required validation to be overriden. Thanks again :user:`stas`.

Removals:

Remove source parameter from Arg.

0.12.0 (2015-03-22)

Features:

Store argument name on ValidationError (:issue:`32`). Thanks :user:`alexmic` for the suggestion. Thanks :user:`stas` for the patch.
Allow nesting of dict subtypes.

0.11.0 (2015-03-01)

Changes:

Add dest parameter to Arg constructor which determines the key to be added to the parsed arguments dictionary (:issue:`32`).
Backwards-incompatible: Rename targets parameter to locations in Parser constructor, Parser#parse_arg, Parser#parse, Parser#use_args, and Parser#use_kwargs.
Backwards-incompatible: Rename Parser#target_handler to Parser#location_handler.

Deprecation:

The source parameter is deprecated in favor of the dest parameter.

Bug fixes:

Fix validate parameter of DjangoParser#use_args.

0.10.0 (2014-12-23)

When parsing a nested Arg, filter out extra arguments that are not part of the Arg's nested dict (:issue:`28`). Thanks Derrick Gilland for the suggestion.
Fix bug in parsing Args with both type coercion and multiple=True (:issue:`30`). Thanks Steven Manuatu for reporting.
Raise RequiredArgMissingError when a required argument is missing on a request.

0.9.1 (2014-12-11)

Fix behavior of multiple=True when nesting Args (:issue:`29`). Thanks Derrick Gilland for reporting.

0.9.0 (2014-12-08)

Pyramid support thanks to @philtay.
User-friendly error messages when Arg type conversion/validation fails. Thanks Andriy Yurchuk.
Allow use argument to be a list of functions.
Allow Args to be nested within each other, e.g. for nested dict validation. Thanks @saritasa for the suggestion.
Backwards-incompatible: Parser will only pass ValidationErrors to its error handler function, rather than catching all generic Exceptions.
Backwards-incompatible: Rename Parser.TARGET_MAP to Parser.__target_map__.
Add a short-lived cache to the Parser class that can be used to store processed request data for reuse.
Docs: Add example usage with Flask-RESTful.

0.8.1 (2014-10-28)

Fix bug in TornadoParser that raised an error when request body is not a string (e.g when it is a Future). Thanks Josh Carp.

0.8.0 (2014-10-26)

Fix Parser.use_kwargs behavior when an Arg is allowed missing. The allow_missing attribute is ignored when use_kwargs is called.
default may be a callable.
Allow ValidationError to specify a HTTP status code for the error response.
Improved error logging.
Add 'query' as a valid target name.
Allow a list of validators to be passed to an Arg or Parser.parse.
A more useful __repr__ for Arg.
Add examples and updated docs.

0.7.0 (2014-10-18)

Add source parameter to Arg constructor. Allows renaming of keys in the parsed arguments dictionary. Thanks Josh Carp.
FlaskParser's handle_error method attaches the string representation of validation errors on err.data['message']. The raised exception is stored on err.data['exc'].
Additional keyword arguments passed to Arg are stored as metadata.

0.6.2 (2014-10-05)

Fix bug in TornadoParser's handle_error method. Thanks Josh Carp.
Add error parameter to Parser constructor that allows a custom error message to be used if schema-level validation fails.
Fix bug that raised a UnicodeEncodeError on Python 2 when an Arg's validator function received non-ASCII input.

0.6.1 (2014-09-28)

Fix regression with parsing an Arg with both default and target set (see issue #11).

0.6.0 (2014-09-23)

Add validate parameter to Parser.parse and Parser.use_args. Allows validation of the full parsed output.
If allow_missing is True on an Arg for which None is explicitly passed, the value will still be present in the parsed arguments dictionary.
Backwards-incompatible: Parser's parse_* methods return webargs.core.Missing if the value cannot be found on the request. NOTE: webargs.core.Missing will not show up in the final output of Parser.parse.
Fix bug with parsing empty request bodies with TornadoParser.

0.5.1 (2014-08-30)

Fix behavior of Arg's allow_missing parameter when multiple=True.
Fix bug in tornadoparser that caused parsing JSON arguments to fail.

0.5.0 (2014-07-27)

Fix JSON parsing in Flask parser when Content-Type header contains more than just application/json. Thanks Samir Uppaluru for reporting.
Backwards-incompatible: The use parameter to Arg is called before type conversion occurs. Thanks Eric Wang for the suggestion.
Tested on Tornado>=4.0.

0.4.0 (2014-05-04)

Custom target handlers can be defined using the Parser.target_handler decorator.
Error handler can be specified using the Parser.error_handler decorator.
Args can define their request target by passing in a target argument.
Backwards-incompatible: DEFAULT_TARGETS is now a class member of Parser. This allows subclasses to override it.

0.3.4 (2014-04-27)

Fix bug that caused use_args to fail on class-based views in Flask.
Add allow_missing parameter to Arg.

0.3.3 (2014-03-20)

Awesome contributions from the open-source community!
Add use_kwargs decorator. Thanks @venuatu.
Tornado support thanks to @jvrsantacruz.
Tested on Python 3.4.

0.3.2 (2014-03-04)

Fix bug with parsing JSON in Flask and Bottle.

0.3.1 (2014-03-03)

Remove print statements in core.py. Oops.

0.3.0 (2014-03-02)

Add support for repeated parameters (#1).
Backwards-incompatible: All parse_* methods take arg as their fourth argument.
Add error_handler param to Parser.

0.2.0 (2014-02-26)

Bottle support.
Add targets param to Parser. Allows setting default targets.
Add files target.

0.1.0 (2014-02-16)

First release.
Parses JSON, querystring, forms, headers, and cookies.
Support for Flask and Django.

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Changelog

1.1.1 (2015-11-14)

1.1.0 (2015-11-08)

1.0.0 (2015-10-19)

0.18.0 (2015-10-04)

0.17.0 (2015-09-29)

0.16.0 (2015-09-27)

0.15.0 (2015-08-22)

0.14.0 (2015-06-28)

0.13.0 (2015-04-05)

0.12.0 (2015-03-22)

0.11.0 (2015-03-01)

0.10.0 (2014-12-23)

0.9.1 (2014-12-11)

0.9.0 (2014-12-08)

0.8.1 (2014-10-28)

0.8.0 (2014-10-26)

0.7.0 (2014-10-18)

0.6.2 (2014-10-05)

0.6.1 (2014-09-28)

0.6.0 (2014-09-23)

0.5.1 (2014-08-30)

0.5.0 (2014-07-27)

0.4.0 (2014-05-04)

0.3.4 (2014-04-27)

0.3.3 (2014-03-20)

0.3.2 (2014-03-04)

0.3.1 (2014-03-03)

0.3.0 (2014-03-02)

0.2.0 (2014-02-26)

0.1.0 (2014-02-16)

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Changelog

1.1.1 (2015-11-14)

1.1.0 (2015-11-08)

1.0.0 (2015-10-19)

0.18.0 (2015-10-04)

0.17.0 (2015-09-29)

0.16.0 (2015-09-27)

0.15.0 (2015-08-22)

0.14.0 (2015-06-28)

0.13.0 (2015-04-05)

0.12.0 (2015-03-22)

0.11.0 (2015-03-01)

0.10.0 (2014-12-23)

0.9.1 (2014-12-11)

0.9.0 (2014-12-08)

0.8.1 (2014-10-28)

0.8.0 (2014-10-26)

0.7.0 (2014-10-18)

0.6.2 (2014-10-05)

0.6.1 (2014-09-28)

0.6.0 (2014-09-23)

0.5.1 (2014-08-30)

0.5.0 (2014-07-27)

0.4.0 (2014-05-04)

0.3.4 (2014-04-27)

0.3.3 (2014-03-20)

0.3.2 (2014-03-04)

0.3.1 (2014-03-03)

0.3.0 (2014-03-02)

0.2.0 (2014-02-26)

0.1.0 (2014-02-16)