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Several useful custom dictionaries for Python 📖 🐍

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Several useful custom dictionaries for Python 📖 🐍


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  • frozendict: An immutable dictionary that cannot be changed after creation.

  • FrozenOrderedDict: An immutable OrderedDict where the order of keys is preserved, but that cannot be changed after creation.

  • AlphaDict: A FrozenOrderedDict where the keys are stored in alphabetical order.

  • bdict: A dictionary where key, value pairs are stored both ways round.

This package also provides two base classes for creating your own custom dictionaries:

  • FrozenBase: An Abstract Base Class for Frozen dictionaries.

  • MutableBase: An Abstract Base Class for mutable dictionaries.

Other Dictionary Packages

If you’re looking to unflatten a dictionary, such as to go from this:

{"": "val"}

to this:

{"foo": {"bar": "val"}}

check out unflatten, flattery or morph to accomplish that.

indexed provides an OrderedDict where the values can be accessed by their index as well as by their keys.

There’s also python-benedict, which provides a custom dictionary with keylist/keypath support, I/O shortcuts (Base64, CSV, JSON, TOML, XML, YAML, pickle, query-string) and many utilities.


Cawdrey can be installed from PyPI or Anaconda.

To install with pip:

$ python -m pip install cawdrey

To install with conda:

  • First add the required channels

$ conda config --add channels
$ conda config --add channels
  • Then install

$ conda install cawdrey

And Finally:

Why “Cawdrey”?

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