Immutable wrapper around dictionaries (a fork of frozendict)
Project description
immutabledict
An immutable wrapper around dictionaries. immutabledict implements the complete mapping interface and can be used as a drop-in replacement for dictionaries where immutability is desired.
It's a fork of slezica's frozendict. This library is a pure Python, MIT-licensed alternative to the new LGPL-3.0 licensed frozendict.
Installation
Official release in on pypi as immutabledict
.
Community-maintained releases are available:
- On conda-forge as
immutabledict
- On various package repositories
Example
from immutabledict import immutabledict
my_item = immutabledict({"a": "value", "b": "other_value"})
print(my_item["a"]) # Print "value"
Differences with the old original frozendict package
- Dropped support of EOL Python versions (older versions of the library may support older Python versions)
- Fixed
collections.Mapping
deprecation warning - Typing
- PEP 584 union operators
- Keep the same signature for
copy()
asdict
(starting with immutabledict 3.0.0), don't accept extra keyword arguments.
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