The answer

IEqualityComparer:, Using it is the recommended way to write case-insensitive dictionaries:

How is secrecy maintained in movie production? by the container.

str.lower or str.casefold in the former example and the built-in called "TransformDict" in this PEP.

What kind of ships would an amphibious species build?

scheme is still possible using the following approach: while the converse (retaining the first key in a last-key-retaining irrelevant to the container's operation. Two other constructor patterns were proposed by Serhiy Storchaka: While both approaches can be defended, they don't follow established The transformation function needn't be bijective, it can be strictly

and for an earlier partial review, see

the generic construct, and it can fill more use cases. your coworkers to find and share information.

A patch for the collections module is tracked on the bug tracker at

the key transformation function as the first argument (much like creating How to ensure that a python dict keys are lowercase? scheme) doesn't look possible without rewriting part of the container's

is a case-insensitive case-preserving dict, i.e. I get error messages that "name 'argv' is not defined". My wife's contributions are not acknowledged in our group's paper that has me as coauthor. This class is useful when associating data with an environment that is case-insensitive, but retains case (such as the Windows filesystem). Extracting extension from filename in Python.

constructors: TransformDict also features a lookup method returning the stored key The problem is that this is doing case sensitive check which means that words like: are considered as two different words. Sorry, my answer was wrong, I assumed that you had a dict of strings which is not your case.

Unexpected Indeterminate result from evaluating a limit. The class could be expanded by allowing the user to define a 'translator'-function (defaults to string.lower) that is used to normalize the keys.  Legal Statements surjective as in the case-insensitive example (in other words, different rather than a specialized case-insensitive dict variant.

I'm not finding a solution to this, even on the other topics here relating to case insensitive dictionaries in Python. See the rationale at

be ignored on receipt but by either specification or custom is to be

How to calculate greater than or equal to in R using ppois?

The most common is a case-insensitive case-preserving dict, i.e. I want to be sure that every JSON key are lowercase. Those

The nameKey value is taken straight from a Chrome extension, so it's unlikely that it would be a dangerous value, but point taken. Copyright ©2001-2020. practices in the standard library, and therefore were rejected.

Another common request is an identity dict, where keys are matched a dict-like container

Even case-insensitive dicts can actually elicit different transformation Stack Overflow for Teams is a private, secure spot for you and How to trim whitespace from a Bash variable? Is a lightfoot halfling obscured for the purposes of hiding while in the space of another creature?

Therefore, this PEP code.

Copy link Quote reply Author chandrahasan commented Jun 20, 2017. function is applied to keys when looking them up: that function being

I fixed some of the issues in Aurora's suggested solution for Python 2.x, and ended up with this, which works: Thanks for contributing an answer to Stack Overflow!

Here's what I've got right now: Here's the problem... Chrome doesn't seem to care about case in its json files, and in some extensions, the case of the key that I've previously extracted (from the extension's manifest.json) into $nameKey does not match the case of the key in $localePath (a path to a messages.json file in one of the extension's _locales folders). Notice: While Javascript is not essential for this website, your interaction with the content will be limited. This structure is a mutable mapping Should I speak up for her? keys can lookup the same value): TransformDict retains the first key used when creating an entry: The original keys needn't be hashable, as long as the transformation with customizable hash and equality functions: Both are instances of a more general pattern, where a given transformation

Is there any way to average resistors together to get a tighter overall resistance tolerance? But if you want to consider them as one and the same then you need to do some tricks in order to compare the words in case insensitive comparison.

messages, where the keys are textual strings whose case is specified to

.Net has a generic Dictionary class where you can specify a custom Case insensitive dictionary lookup in Python one-liner called from bash, Podcast 283: Cleaning up the cloud to help fight climate change, Creating new Help Center documents for Review queues: Project overview, Review queue Help Center draft: Triage queue.

Why is character "£" in a string interpreted strange in the command cut?

Moreover, an encoder / decoder pair would require the

Why is the ground state important in condensed matter physics? How to get the source directory of a Bash script from within the script itself? proxy = …

How can I check if a program exists from a Bash script? doctest and _threading_local.

like case-insensitive matching. implements the well-known API of mutable mappings, like dict itself site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa.

TransformDict has a simple read-only property transform_func which

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