git blame with colored authors and pygments syntax highlighting. Dependencies: `pip install pygments tabulate colored`. License: MIT

git-blame-colored.py

#!/usr/bin/env python3

color_groups = [
    [('red', None), ('green', None), ('yellow', None), ('magenta', None),
     ('cyan', None)],
    [('black', 'light_red'), ('black', 'light_green'),
     ('black', 'light_yellow'), ('black', 'light_magenta'),
     ('black', 'light_cyan')]
]
cmd = ['git', 'blame', '--line-porcelain']


###############################################
# START Base16 Tomorrow Dark style for Pygments
###############################################
# https://github.com/idleberg/base16-pygments/blob/master/base16-tomorrow.dark.py

from pygments.style import Style
from pygments.token import Keyword, Name, Comment, String, Error, Text, \
     Number, Operator, Generic, Whitespace, Punctuation, Other, Literal


BACKGROUND = "#1d1f21"
CURRENT_LINE = "#282a2e"
SELECTION = "#373b41"
FOREGROUND = "#ffffff"
COMMENT = "#969896"
RED = "#cc6666"
ORANGE = "#de935f"
YELLOW = "#f0c674"
GREEN = "#b5bd68"
AQUA = "#8abeb7"
BLUE = "#81a2be"
PURPLE = "#b294bb"


class base16_tomorrow_dark(Style):

    default_style = ''

    background_color = BACKGROUND
    highlight_color = SELECTION

    background_color = BACKGROUND
    highlight_color = SELECTION

    styles = {
        # No corresponding class for the following:
        Text:                      FOREGROUND,  # class:  ''
        Whitespace:                "",          # class: 'w'
        Error:                     RED,         # class: 'err'
        Other:                     "",          # class 'x'

        Comment:                   COMMENT,   # class: 'c'
        Comment.Multiline:         "",        # class: 'cm'
        Comment.Preproc:           "",        # class: 'cp'
        Comment.Single:            "",        # class: 'c1'
        Comment.Special:           "",        # class: 'cs'

        Keyword:                   PURPLE,    # class: 'k'
        Keyword.Constant:          "",        # class: 'kc'
        Keyword.Declaration:       "",        # class: 'kd'
        Keyword.Namespace:         AQUA,      # class: 'kn'
        Keyword.Pseudo:            "",        # class: 'kp'
        Keyword.Reserved:          "",        # class: 'kr'
        Keyword.Type:              YELLOW,    # class: 'kt'

        Operator:                  AQUA,      # class: 'o'
        Operator.Word:             "",        # class: 'ow' - like keywords

        Punctuation:               FOREGROUND,  # class: 'p'

        Name:                      FOREGROUND,  # class: 'n'
        Name.Attribute:            BLUE,        # class: 'na' - to be revised
        Name.Builtin:              "",          # class: 'nb'
        Name.Builtin.Pseudo:       "",          # class: 'bp'
        Name.Class:                YELLOW,      # class: 'nc' - to be revised
        Name.Constant:             RED,         # class: 'no' - to be revised
        Name.Decorator:            AQUA,        # class: 'nd' - to be revised
        Name.Entity:               "",          # class: 'ni'
        Name.Exception:            RED,         # class: 'ne'
        Name.Function:             BLUE,        # class: 'nf'
        Name.Property:             "",          # class: 'py'
        Name.Label:                "",          # class: 'nl'
        Name.Namespace:            YELLOW,      # class: 'nn' - to be revised
        Name.Other:                BLUE,        # class: 'nx'
        Name.Tag:                  AQUA,        # class: 'nt' - like a keyword
        Name.Variable:             RED,         # class: 'nv' - to be revised
        Name.Variable.Class:       "",          # class: 'vc' - to be revised
        Name.Variable.Global:      "",          # class: 'vg' - to be revised
        Name.Variable.Instance:    "",          # class: 'vi' - to be revised

        Number:                    ORANGE,    # class: 'm'
        Number.Float:              "",        # class: 'mf'
        Number.Hex:                "",        # class: 'mh'
        Number.Integer:            "",        # class: 'mi'
        Number.Integer.Long:       "",        # class: 'il'
        Number.Oct:                "",        # class: 'mo'

        Literal:                   ORANGE,    # class: 'l'
        Literal.Date:              GREEN,     # class: 'ld'

        String:                    GREEN,       # class: 's'
        String.Backtick:           "",          # class: 'sb'
        String.Char:               FOREGROUND,  # class: 'sc'
        String.Doc:                COMMENT,     # class: 'sd' - like a comment
        String.Double:             "",          # class: 's2'
        String.Escape:             ORANGE,      # class: 'se'
        String.Heredoc:            "",          # class: 'sh'
        String.Interpol:           ORANGE,      # class: 'si'
        String.Other:              "",          # class: 'sx'
        String.Regex:              "",          # class: 'sr'
        String.Single:             "",          # class: 's1'
        String.Symbol:             "",          # class: 'ss'

        Generic:                   "",                    # class: 'g'
        Generic.Deleted:           RED,                   # class: 'gd',
        Generic.Emph:              "italic",              # class: 'ge'
        Generic.Error:             "",                    # class: 'gr'
        Generic.Heading:           "bold " + FOREGROUND,  # class: 'gh'
        Generic.Inserted:          GREEN,                 # class: 'gi'
        Generic.Output:            "",                    # class: 'go'
        Generic.Prompt:            "bold " + COMMENT,     # class: 'gp'
        Generic.Strong:            "bold",                # class: 'gs'
        Generic.Subheading:        "bold " + AQUA,        # class: 'gu'
        Generic.Traceback:         "",                    # class: 'gt'
    }

#############################################
# END Base16 Tomorrow Dark style for Pygments
#############################################


from pygments import highlight
from pygments.lexers import guess_lexer
from pygments.formatters import Terminal256Formatter
from tabulate import tabulate
from colored import fg, bg, attr

import subprocess
from sys import argv


def lines_starting_with(all_lines, prefix):
    grepped = [l for l in all_lines if l.startswith(prefix)]
    stripped = [l.split(prefix)[1] for l in grepped]
    return stripped


def main():
    cmd.extend(argv[1:])

    gbl_raw = (subprocess.run(cmd, stdout=subprocess.PIPE).stdout
               .decode().split('\n'))
    code = '\n'.join(lines_starting_with(gbl_raw, '\t'))
    authors_by_line = lines_starting_with(gbl_raw, 'author ')
    authors_unique = sorted(list(set(authors_by_line)))

    formatter = Terminal256Formatter(style=base16_tomorrow_dark)
    highlighted_raw = highlight(code, guess_lexer(code), formatter)
    highlighted = highlighted_raw.split('\n')

    color_codes = []
    for group in color_groups:
        for fg_color, bg_color in group:
            color_code = fg(fg_color)
            if bg_color:
                color_code += bg(bg_color)
            color_codes.append(color_code)

    author_color_codes = {author: color_codes.pop(0)
                          for author in authors_unique}

    pretty_blame = []
    for i in range(min(len(authors_by_line), len(highlighted))):
        author = authors_by_line[i]
        pretty_blame.append((
            author_color_codes[author] + author,
            fg('dark_gray') + str(i),
            attr('reset') + highlighted[i]
        ))

    print(tabulate(pretty_blame, tablefmt='plain'))


if __name__ == '__main__':
    main()

LICENSE.md

The MIT License (MIT)

Copyright © 2021 Matt Lewis

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Thanks for reaching out. I've added the MIT License to this gist.