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multidict implementation

Project description

Multidicts are useful for working with HTTP headers, URL query args etc.

The code was extracted from aiohttp library.

Introduction

HTTP Headers and URL query string require specific data structure: multidict. It behaves mostly like a dict but it can have several values for the same key.

multidict has four multidict classes: MultiDict, MultiDictProxy, CIMultiDict and CIMultiDictProxy.

Immutable proxies (MultiDictProxy and CIMultiDictProxy) provide a dynamic view on the proxied multidict, the view reflects underlying collection changes. They implement the collections.abc.Mapping interface.

Regular mutable (MultiDict and CIMultiDict) classes implement collections.abc.MutableMapping and allows to change their own content.

Case insensitive (CIMultiDict and CIMultiDictProxy) ones assumes the keys are case insensitive, e.g.:

>>> dct = CIMultiDict(a='val')
>>> 'A' in dct
True
>>> dct['A']
'val'

Keys should be str instances.

The library has optional Cython optimization for sake of speed.

License

Apache 2

1.0.3 (2016-03-24)

  • Add missing MANIFEST.in

1.0.2 (2016-03-24)

  • Fix setup build

1.0.0 (2016-02-19)

  • Initial implementation

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