JuFormatting.jl

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The JuFormatting package provides the usefull formatting syntax from python in both a function form and a f-string using the @f_str macro. The JuFormatting library is fully written in julia and works for versions greater or equal to julia 1.4.

Installation

In a Julia session, after entering the package manager mode with ], run the command

pkg> update
pkg> add https://github.com/antcap96/JuFormatting.jl

Usage

After installing the package, you can start using it

using JuFormatting

The module dives access to two ways of formatting a string, using the format function and using the @f_str macro allows python's f-string style formatting.

julia> format("{:#b}", 3)
"0b11"

julia> f"{31.32:10.3g}"
"      31.3"

Diferences from python / todos

the "n" and "," formating type is not implemented for Integers nor floats.
getattr and getindex are not yet supported in the format syntax
replacement fields in format specifiers are not yet supported
current support for strings does not allow to set width
julia offers more numeric types than python, currently all abstract floats are handled the same and so do all integers.
Inf and NaN are formated diferently from python to match julia default conversion to string of these values.
julia starts using the exponent notation for floats at 1e6 while python only starts using this notation at 1e15, so an empty format "{}" will give diferent results from python