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Raffaello command-line output colorizer

Project description

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Raffaello - output colorizer

Raffaello colorizes the output stream of any command-line tool (e.g.
gcc/g++, cmake, dmesg, syslog and custom), making it easier to read.


The raffaello's command line interface let you use two call modes:
**pipes** and **command**.

In pipe mode you call raffaello like:


<output stream source> | raffaello [options]

In command mode raffaello will call your stream source in your behalf


raffaello [options] -c <output stream source>

To highlight the output stream, Raffaello has **2 color modes** and **2
styles modes**:

Color modes:

- **8 colors** mode let you use the following names: *black, red,
green, yellow, blue, magenta, cyan, light\_gray*. **NEW** Raffaello
introduces a *blind* color: *lines matching the pattern with color
"blind" will be REMOVED from the stream*. This will improve
readability of dense stream output.

- **256 colors** mode let you use other 248 colors and choose between
foreground or background colors (you can mix 8 colors mode names with
256 color mode names):

Color styles:

- Foreground color names are in the form ``colorNUM``. E.g. foreground
red is *color001*
- Background color names are in the form ``bgcolorNUM``. E.g.
background red is *bgcolor001*

With the styles you can blend colors in **bold** and **underlined**

- foreground red bold is *color001\_bold*
- foreground red underlined is *color001\_underlined*

Call ``raffaello -l`` to see the complete list of available colors.

Full interface description


Usage: raffaello (-p PRESET | -r REQUEST | -f FILE | -l) [options]

-p PRESET, --preset=PRESET Prebuilt config files for coloring known output streams (gcc/g++, cmake, dmesg, gcc/g++, ModemManager, logcat...)
-r REQUEST --request=REQUEST The requested text/color mapping string. Multipe requests are separated by a space. Regular expression are supported. E.g. "error=>red [Ww]arning=>yellow_bold".
-f FILE --file=FILE Path to the custom text=>color configuration file.
-c COMMAND --command=COMMAND Instead of using raffaello with pipes, set the command-line tool to be executed by raffaello directly. E.g. -c "dmesg -w".
-m, --match-only Print only the lines that match against some defined pattern.
-d DELIMITER --delimiter=DELIMITER If you don't like "=>" as delimiter between text and color, use this flag to change it. E.g. -d & [default: =>]
-l, --list List all the available colors and presets
-v --verbose Enable debug logging


The simpler usage is using the ``request`` flag. The ``request`` flag
requires a string in the form "text=>color anothertext=>anothercolor",
where text can be a constant string or a `Regular
expression <>`__, while color
is the name of the color to use (see `Usage <#Usage>`__ section)

- Simple constant text highlight


$ ifconfig eno1 | raffaello --request="collisions=>blue"

.. figure:: ./examples/raffaello001.png
:alt: example001


- Highlight of multiple texts. Here you can see that spaces in the
"text part" are not allowed. Use :raw-latex:`\s `instead.


$ ifconfig eno1 | raffaello --request="RX\spackets=>green TX\spackets=>red"

.. figure:: ./examples/raffaello002.png
:alt: example002


- Highlight with regular expressions


$ ifconfig eno1 | raffaello --request="\d+\.\d+\.\d+\.\d+=>green_bold"

.. figure:: ./examples/raffaello003.png
:alt: example003


For more complex color mapping you can write a file with a line for each
*text=>color* entry, like the following



save the file and provide it to raffaello using its fullpath


$ ifconfig eno1 | raffaello --file=$HOME/colorfile

.. figure:: ./examples/raffaello004.png
:alt: example004


Color files can be reused in other color files using the ``include``
directive followed by the fullpath to the file.

Using fullpath is annoying, tough, so Raffaello has a special path under
$HOME/.raffaello. All the colorfiles inside this folder can be passed
using simply their filename, without the path.


# include custom colorfile in $HOME/.raffaello
include some_custom_colorfile

# include custom color outside $HOME/.raffaello
include $HOME/path/to/some_other_custom_color


Raffaello provides some built-in colorfiles, called **presets**, for
known tools like cmake, gcc/g++, dmesg, etc. The presets can be used
alone using ``--preset`` flag or even included in custom colorfile in
order to extend their colormaps.


# Include a preset colorfile
include errors

# include custom colorfile in $HOME/.raffaello
include some_custom_colorfile

# include custom color outside $HOME/.raffaello
include $HOME/path/to/some_other_custom_color


For a full list of presets, call ``raffaello --list``.

Raffaello is a python module

Raffaello can be used as a python module inside other source codes

.. code:: python

from raffaello import Raffaello, Commission

request = '''

c = Commission(request)
r = Raffaello(c.commission)

print(r.paint('Sample message with error, warning and a bluish text.'))


Install from source using setuptools. Just type the following command


# python install

Install from `PyPI - the Python Package
Index <>`__


# pip install raffaello


- ``docopt`` language for description of command-line interfaces

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