multidict implementation
Project description
=========
multidict
=========
.. image:: https://travis-ci.org/aio-libs/multidict.svg?branch=master
:target: https://travis-ci.org/aio-libs/multidict
:align: right
.. image:: https://codecov.io/gh/aio-libs/multidict/branch/master/graph/badge.svg
:target: https://codecov.io/gh/aio-libs/multidict
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:target: https://gitter.im/aio-libs/Lobby
:alt: Chat on Gitter
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 regular ``dict`` but it may have
several *values* for the same *key* and *preserves insertion ordering*.
The *key* is ``str`` (or ``istr`` for case-insensitive dictionaries).
``multidict`` has four multidict classes:
``MultiDict``, ``MultiDictProxy``, ``CIMultiDict``
and ``CIMultiDictProxy``.
Immutable proxies (``MultiDictProxy`` and
``CIMultiDictProxy``) provide a dynamic view for 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 assume the *keys* are case
insensitive, e.g.::
>>> dct = CIMultiDict(key='val')
>>> 'Key' in dct
True
>>> dct['Key']
'val'
*Keys* should be ``str`` or ``istr`` instances.
The library has optional Cython_ optimization for sake of speed.
License
-------
Apache 2
.. _aiohttp: https://github.com/KeepSafe/aiohttp
.. _Cython: http://cython.org/
3.1.3 (2017-07-14)
------------------
* Fix build
3.1.2 (2017-07-14)
------------------
* Fix type annotations
3.1.1 (2017-07-09)
------------------
* Fix #105: Remove memory leak in `istr` implementation
3.1.0 (2017-06-25)
------------------
* Fix #99: raise `RuntimeError` on dict iterations if the dict was changed
* Update `__init__.pyi` signatures
3.0.0 (2017-06-21)
------------------
* Refactor internal data structures: main dict operations are about
100% faster now.
* Preserve order on multidict updates #68
Updates are `md[key] = val` and `md.update(...)` calls.
Now **the last** entry is replaced with new key/value pair, all
previous occurrences are removed.
If key is not present in dictionary the pair is added to the end
* Force keys to `str` instances #88
* Implement `.popall(key[, default])` #84
* `.pop()` removes only first occurence, `.popone()` added #92
* Implement dict's version #86
* Proxies are not pickable anymore #77
2.1.7 (2017-05-29)
------------------
* Fix import warning on Python 3.6 #79
2.1.6 (2017-05-27)
------------------
* Rebuild the library for fixning missing `__spec__` attribute #79
2.1.5 (2017-05-13)
------------------
* Build Python 3.6 binary wheels
2.1.4 (2016-12-1)
------------------
* Remove LICENSE filename extension @ MANIFEST.in file #31
2.1.3 (2016-11-26)
------------------
* Add a fastpath for multidict extending by multidict
2.1.2 (2016-09-25)
------------------
* Fix `CIMultiDict.update()` for case of accepting `istr`
2.1.1 (2016-09-22)
------------------
* Fix `CIMultiDict` constructor for case of accepting `istr` #11
2.1.0 (2016-09-18)
------------------
* Allow to create proxy from proxy
* Add type hints (PEP-484)
2.0.1 (2016-08-02)
------------------
* Don't crash on `{} - MultiDict().keys()` and similar operations #6
2.0.0 (2016-07-28)
------------------
* Switch from uppercase approach for case-insensitive string to
`str.title()` #5
* Deprecase `upstr` class in favor of `istr` alias.
1.2.2 (2016-08-02)
------------------
* Don't crash on `{} - MultiDict().keys()` and similar operations #6
1.2.1 (2016-07-21)
------------------
* Don't expose `multidict.__version__`
1.2.0 (2016-07-16)
------------------
* Make `upstr(upstr('abc'))` much faster
1.1.0 (2016-07-06)
------------------
* Don't double-iterate during MultiDict initialization #3
* Fix CIMultiDict.pop: it is case insensitive now #1
* Provide manylinux wheels as well as Windows ones
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
multidict
=========
.. image:: https://travis-ci.org/aio-libs/multidict.svg?branch=master
:target: https://travis-ci.org/aio-libs/multidict
:align: right
.. image:: https://codecov.io/gh/aio-libs/multidict/branch/master/graph/badge.svg
:target: https://codecov.io/gh/aio-libs/multidict
.. image:: https://badges.gitter.im/Join%20Chat.svg
:target: https://gitter.im/aio-libs/Lobby
:alt: Chat on Gitter
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 regular ``dict`` but it may have
several *values* for the same *key* and *preserves insertion ordering*.
The *key* is ``str`` (or ``istr`` for case-insensitive dictionaries).
``multidict`` has four multidict classes:
``MultiDict``, ``MultiDictProxy``, ``CIMultiDict``
and ``CIMultiDictProxy``.
Immutable proxies (``MultiDictProxy`` and
``CIMultiDictProxy``) provide a dynamic view for 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 assume the *keys* are case
insensitive, e.g.::
>>> dct = CIMultiDict(key='val')
>>> 'Key' in dct
True
>>> dct['Key']
'val'
*Keys* should be ``str`` or ``istr`` instances.
The library has optional Cython_ optimization for sake of speed.
License
-------
Apache 2
.. _aiohttp: https://github.com/KeepSafe/aiohttp
.. _Cython: http://cython.org/
3.1.3 (2017-07-14)
------------------
* Fix build
3.1.2 (2017-07-14)
------------------
* Fix type annotations
3.1.1 (2017-07-09)
------------------
* Fix #105: Remove memory leak in `istr` implementation
3.1.0 (2017-06-25)
------------------
* Fix #99: raise `RuntimeError` on dict iterations if the dict was changed
* Update `__init__.pyi` signatures
3.0.0 (2017-06-21)
------------------
* Refactor internal data structures: main dict operations are about
100% faster now.
* Preserve order on multidict updates #68
Updates are `md[key] = val` and `md.update(...)` calls.
Now **the last** entry is replaced with new key/value pair, all
previous occurrences are removed.
If key is not present in dictionary the pair is added to the end
* Force keys to `str` instances #88
* Implement `.popall(key[, default])` #84
* `.pop()` removes only first occurence, `.popone()` added #92
* Implement dict's version #86
* Proxies are not pickable anymore #77
2.1.7 (2017-05-29)
------------------
* Fix import warning on Python 3.6 #79
2.1.6 (2017-05-27)
------------------
* Rebuild the library for fixning missing `__spec__` attribute #79
2.1.5 (2017-05-13)
------------------
* Build Python 3.6 binary wheels
2.1.4 (2016-12-1)
------------------
* Remove LICENSE filename extension @ MANIFEST.in file #31
2.1.3 (2016-11-26)
------------------
* Add a fastpath for multidict extending by multidict
2.1.2 (2016-09-25)
------------------
* Fix `CIMultiDict.update()` for case of accepting `istr`
2.1.1 (2016-09-22)
------------------
* Fix `CIMultiDict` constructor for case of accepting `istr` #11
2.1.0 (2016-09-18)
------------------
* Allow to create proxy from proxy
* Add type hints (PEP-484)
2.0.1 (2016-08-02)
------------------
* Don't crash on `{} - MultiDict().keys()` and similar operations #6
2.0.0 (2016-07-28)
------------------
* Switch from uppercase approach for case-insensitive string to
`str.title()` #5
* Deprecase `upstr` class in favor of `istr` alias.
1.2.2 (2016-08-02)
------------------
* Don't crash on `{} - MultiDict().keys()` and similar operations #6
1.2.1 (2016-07-21)
------------------
* Don't expose `multidict.__version__`
1.2.0 (2016-07-16)
------------------
* Make `upstr(upstr('abc'))` much faster
1.1.0 (2016-07-06)
------------------
* Don't double-iterate during MultiDict initialization #3
* Fix CIMultiDict.pop: it is case insensitive now #1
* Provide manylinux wheels as well as Windows ones
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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