polywrap_msgpack.extensions.generic_map module

This module contains GenericMap implementation for msgpack extension type.

class polywrap_msgpack.extensions.generic_map.GenericMap(_map: MutableMapping[K, V])

Bases: MutableMapping[K, V]

GenericMap is a type that can be used to represent generic map extension type in msgpack.

Examples

>>> from polywrap_msgpack import GenericMap
>>> GenericMap({1: 2, 3: 4})
GenericMap({1: 2, 3: 4})
>>> map = GenericMap({1: 2, 3: 4})
>>> map[5] = 6
>>> map
GenericMap({1: 2, 3: 4, 5: 6})
>>> map[7]
Traceback (most recent call last):
...
KeyError: 7
>>> 7 in map
False
>>> 1 in map
True
>>> len(map)
3
>>> del map[1]
>>> map
GenericMap({3: 4, 5: 6})
>>> del map[7]
Traceback (most recent call last):
...
KeyError: 7