builder.py

import argparse
import logging
import os
import sys

import yaml
from malayalamfont import MalayalamFont
from munch import DefaultMunch

log = logging.getLogger(__name__)


def dir_path(path):
    if os.path.isdir(path):
        return path
    else:
        raise argparse.ArgumentTypeError(f"readable_dir:{path} is not a valid path")


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="Build a UFO formatted font", add_help=True)
    parser.add_argument(
        "-c",
        "--config",
        help="The font information and configuraion",
        default="config.yaml",
        type=argparse.FileType("r"),
    )
    parser.add_argument("-s", "--source", help="SVG sources", type=dir_path)
    parser.add_argument("-o", "--output", help="Output UFO File")
    parser.add_argument("-t", "--style", default="Regular", required=False, help="Set style")
    parser.add_argument("-w", "--weight", default=400, required=False, help="Set weight")
    parser.add_argument("-l", "--log-level", default="INFO", required=False, help="Set log level")

    options = parser.parse_args()
    try:
        logging.basicConfig(level=options.log_level)
    except ValueError:
        logging.error("Invalid log level: {}".format(options.log_level))
        sys.exit(1)

    config = DefaultMunch.fromDict(yaml.load(options.config, Loader=yaml.FullLoader))
    # This is not the best way to do it, anyway..
    if options.style in ["Arrows", "Color", "Shadow", "Calligraphy", "Dots", "Outline"]:
        config.name = f"{config.name} {options.style}"
        options.style = "Regular"
    font: MalayalamFont = MalayalamFont(config, style=options.style, weight=options.weight)
    font.build(options.source)
    font.buildFeatures()
    font.setFontInfo()
    font.updateFontVersion()
    font.save(options.output, overwrite=True)