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Lesscss compiler.

Project description

*
* LESSCPY *
*
python LessCss Compiler.
v0.9g

A compiler written in python 3 for the lesscss language.
For those of us not willing/able to have node.js installed in our environment.
Not all features of lesscss are supported (yet).
Some features wil probably never be supported (JavaScript evaluation).
This program uses PLY (Python Lex-Yacc) to tokenize/parse the input and is
considerably slower than the nodejs compiler. The plan is to utilize this
to build in proper syntax checking and perhaps YUI compressing.

This is an early version, so you are likly to find bugs.

For more information on lesscss:
* http://lesscss.org/
* https://github.com/cloudhead/less.js

Development files
* https://github.com/robotis/Lesscpy

Requirements
============

* python 3+
* ply (Python Lex-Yacc) python 3 version

For more information on ply:
* http://www.dabeaz.com/ply/

Installation
============

python3 setup.py install

or simply place the package into your python path.

Compiler script Usage
=====================

usage: lesscpy [-h] [-v] [-I INCLUDE] [-V] [-x] [-X] [-t] [-s SPACES] [-o OUT]
[-r] [-f] [-m] [-D] [-g] [-S] [-L] [-N]
target

LessCss Compiler

positional arguments:
target less file or directory

optional arguments:
-h, --help show this help message and exit
-v, --version show program's version number and exit
-I INCLUDE, --include INCLUDE
Included less-files (comma separated)
-V, --verbose Verbose mode

Formatting options:
-x, --minify Minify output
-X, --xminify Minify output, no end of block newlines
-t, --tabs Use tabs
-s SPACES, --spaces SPACES
Number of startline spaces (default 2)

Directory options:
Compiles all *.less files in directory that have a newer timestamp than
it's css file.

-o OUT, --out OUT Output directory
-r, --recurse Recursive into subdirectorys
-f, --force Force recompile on all files
-m, --min-ending Add '.min' into output filename. eg, name.min.css
-D, --dry-run Dry run, do not write files

Debugging:
-g, --debug Debugging information
-S, --scopemap Scopemap
-L, --lex-only Run lexer on target
-N, --no-css No css output

Supported features
==================
* Variables
* String interpolation
* Mixins
* mixins (Nested)
* mixins (Nested (Calls))
* mixins (closures)
* mixins (recursive)
* Guard expressions
* Parametered mixins (class)
* Parametered mixins (id)
* @arguments
* Nesting
* Escapes ~/e()
* Expressions
* Keyframe blocks
* Color functions:
** lighten
** darken
** saturate
** desaturate
** spin
** hue
** mix
** saturation
** lightness
* Other functions:
** round
** increment
** decrement
** format '%('
** add
** iscolor
** isnumber
** isurl
** isstring
** iskeyword
* Keyframe blocks

Differences from lessc.js
=========================
* All MS filters and other strange vendor constructs must be escaped
* All colors are auto-formatted to #nnnnnn. eg, #f7e923
* Does not preserve css comments

Not supported
===================
* JavaScript evaluation

License
=======
See the LICENSE file

<jtm@robot.is>

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