dotfiles/.config/kitty/kitty-themes/.tools/preview.py
2022-04-07 09:23:20 +02:00

137 lines
4.4 KiB
Python

import sys
import os
import sys
theme_keys = [
"cursor", "foreground", "background", "background_opacity", "dynamic_background_opacity", "dim_opacity",
"selection_foreground", "selection_background", "color0", "color8", "color1", "color9", "color2", "color10",
"color3", "color11", "color4", "color12", "color5", "color13", "color6", "color14", "color7", "color15"
]
def is_valid(line):
"""
Returns true if a line inside a configuration file is a valid theme configuration pair: is not a comment, is not
empty and the key is correct.
:param line: a line inside the configuration file
:type line: str
:return: true if is valid, false otherwise
:rtype: bool
"""
return (not line.lstrip().startswith("#") # is not a comment
and len(line.strip()) != 0 # is not empty
and line.split(maxsplit=1)[0] in theme_keys) # key is a valid one
def extract_configuration_pair(line):
"""
Extract a configuration pair by splitting on spaces and taking the first couple of values.
:param line: a line inside the configuration file
:type line: str
:return: a key-value pair
:rtype: bool
"""
split = line.split(maxsplit=2)
return split[0], split[1]
def read_configuration(filename):
"""
Read a kitty configuration file and extract only theme related keys and values.
:param filename: path to the configuration file
:type filename: str
:return: a map with theme related configuration values
:rtype: dict[str, str]
"""
with open(filename, "r") as fp:
lines = fp.readlines()
theme_config = dict([extract_configuration_pair(line) for line in lines if is_valid(line)])
return theme_config
def fg(color, text):
rgb = tuple(int(color[i + 1:i + 3], 16) for i in (0, 2, 4))
return ('\x1b[38;2;%s;%s;%sm' % rgb + text + '\x1b[0m')
def bg(color, text):
rgb = tuple(int(color[i + 1:i + 3], 16) for i in (0, 2, 4))
return ('\x1b[48;2;%s;%s;%sm' % rgb + text + '\x1b[0m')
def print_preview(filename, configuration):
cursor = configuration["cursor"]
background = configuration["background"]
foreground = configuration["foreground"]
theme = os.path.basename(filename)
size = len(theme) + (2 + 2 + 16 + 2 + 16 + 1 + 2)
print(bg(background, " " * size))
print(bg(background, " "), end="")
print(bg(background, fg(foreground, theme)), end="")
print(bg(background, " "), end="")
c='a'
for i in range(0, 16):
color = configuration["color%d" % i]
print(bg(background, fg(color, c)), end="")
c = chr(ord(c) + 1)
print(bg(background, " "), end="")
selection_background = configuration["selection_background"]
selection_foreground = configuration["selection_foreground"]
c='A'
for i in range(0, 16):
print(bg(selection_background, fg(selection_foreground, c)), end="")
c = chr(ord(c) + 1)
print(bg(cursor, " "), end="")
print(bg(background, " "))
print(bg(background, " " * size))
print(bg(background, " "), end="")
print(bg(configuration["color0"], " "), end="")
print(bg(configuration["color1"], " "), end="")
print(bg(configuration["color2"], " "), end="")
print(bg(configuration["color3"], " "), end="")
print(bg(configuration["color4"], " "), end="")
print(bg(configuration["color5"], " "), end="")
print(bg(configuration["color6"], " "), end="")
print(bg(configuration["color7"], " "), end="")
print(bg(background, " "), end="")
print(bg(configuration["color8"], " "), end="")
print(bg(configuration["color9"], " "), end="")
print(bg(configuration["color10"], " "), end="")
print(bg(configuration["color11"], " "), end="")
print(bg(configuration["color12"], " "), end="")
print(bg(configuration["color13"], " "), end="")
print(bg(configuration["color14"], " "), end="")
print(bg(configuration["color15"], " "), end="")
print(bg(background, " " * (size - 16 - 4)), end="")
print()
print(bg(background, " " * size))
print()
def main(directory):
for filename in os.listdir(directory):
try:
path = os.path.join(directory, filename)
configuration = read_configuration(path)
print_preview(path, configuration)
except Exception as e:
print(e, file=sys.stderr)
print("Error while processing %s" % filename, file=sys.stderr)
if __name__ == "__main__":
main(sys.argv[1])