tl;dr: I created it for a LINE chatbot that converts various units. I was tired of Googling and trying to convert values in my head whenever talking to Japanese friends so I put all the kinds of conversions I need to do in one place.

It's probably not very useful to someone who's not me, but I wanted it as a module so I could use it across a couple repos.

Types of conversions:

• Japanese numbers <-> decimal: e.g. 10,000 => 10万
• JPY <-> USD
• imperial <-> metric (right now, only distance)

unitconverter does the overall functionality called by the LINE chatbot but the other packages can be used.

Number parsing and conversion to JP units. Function to parse string in various formats (e.g. 135k, 1万) and convert to a float, and function to convert to Japanese number. Uses stringutils for prettifying some outputs.

Utilities to convert from JPY <-> USD. It uses a rate passed in by caller.

Utilities to convert imperial to metric and vice versa. Uses stringutils for prettifying the output.

Utilities for trimming floats, and for adding commas to big numbers.

Utilities for taking input and parsing whether it's only a number, a currency amount, or a measurement. Uses functions from counting, currencyconverter, distanceconverter and stringutils to both convert the values, and make them readable.