symconf/autoconf/gen_theme.py

110 lines
3.6 KiB
Python

import argparse
import inspect
import json
import tomllib as toml
from pathlib import Path
def get_running_path():
calling_module = inspect.getmodule(inspect.stack()[-1][0])
return Path(calling_module.__file__).parent
def add_gen_subparser(subparsers):
parser = subparsers.add_parser(
'gen',
description='Generate theme files for various applications. Uses a template (in TOML ' \
+ 'format) to map application-specific config keywords to colors (in JSON ' \
+ 'format).'
)
parser.add_argument(
'-a', '--app',
required=True,
help='Application target for theme. Supported: ["kitty"]'
)
parser.add_argument(
'-p', '--palette',
required=True,
help='Palette to use for template mappings. Uses local "theme/<palette>/colors.json".'
)
parser.add_argument(
'-t', '--template',
default=None,
help='Path to TOML template file. If omitted, app\'s default template path is used.' \
+ 'If a directory is provided, all TOML files in the folder will be used.'
)
parser.add_argument(
'-o', '--output',
default=None,
help='Output file path for theme. If omitted, app\'s default theme output path is used.'
)
parser.set_defaults(func=generate_theme_files)
# separation sequences to use base on app
app_sep_map = {
'kitty': ' ',
}
def generate_theme_files():
basepath = get_running_path()
# set arg conditional variables
palette_path = Path(basepath, 'themes', args.palette)
colors_path = Path(palette_path, 'colors.json')
theme_app = args.app
template_path = None
output_path = None
if args.template is None:
template_path = Path(palette_path, 'apps', theme_app, 'templates')
else:
template_path = Path(args.template).resolve()
if args.output is None:
output_path = Path(palette_path, 'apps', theme_app, 'generated')
else:
output_path = Path(args.output).resolve()
# check paths
if not colors_path.exists():
print(f'Resolved colors path [{colors_path}] doesn\'t exist, exiting')
return
if not template_path.exists():
print(f'Template path [{template_path}] doesn\'t exist, exiting')
return
if not output_path.exists() or not output_path.is_dir():
print(f'Output path [{output_path}] doesn\'t exist or not a directory, exiting')
return
print(f'Using palette colors [{colors_path}]')
print(f'-> with templates in [{template_path}]')
print(f'-> to output path [{output_path}]\n')
# load external files (JSON, TOML)
colors_json = json.load(colors_path.open())
# get all matching TOML files
template_list = [template_path]
if template_path.is_dir():
template_list = template_path.rglob('*.toml')
for template_path in template_list:
template_toml = toml.load(template_path.open('rb'))
# lookup app-specific config separator
config_sep = app_sep_map.get(theme_app, ' ')
output_lines = []
for config_key, color_key in template_toml.items():
color_value = colors_json
for _key in color_key.split('.'):
color_value = color_value.get(_key, {})
output_lines.append(f'{config_key}{config_sep}{color_value}')
output_file = Path(output_path, template_path.stem).with_suffix('.conf')
output_file.write_text('\n'.join(output_lines))
print(f'[{len(output_lines)}] lines written to [{output_file}] for app [{theme_app}]')