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# Authors: see git history
#
# Copyright (c) 2010 Authors
# Licensed under the GNU GPL version 3.0 or later. See the file LICENSE for details.
import json
import os
from inkex import errormsg
from ..i18n import _
from ..lettering import Font
from .base import InkstitchExtension
class LetteringUpdateJsonGlyphlist(InkstitchExtension):
'''
This extension helps font creators to generate the json file for the lettering tool
'''
def __init__(self, *args, **kwargs):
InkstitchExtension.__init__(self, *args, **kwargs)
self.arg_parser.add_argument("--notebook")
self.arg_parser.add_argument("-d", "--font-dir", type=str, default="", dest="font_dir")
def effect(self):
# file paths
font_dir = self.options.font_dir
if not os.path.isdir(font_dir):
errormsg(_("Please verify font folder path."))
return
json_file = self._get_json_file(font_dir)
# glyphs
font = Font(font_dir)
font._load_variants()
glyphs = font.get_variant(font.default_variant).glyphs
glyphs = list(glyphs.keys())
if not glyphs:
return
# read json file
with open(json_file, 'r') as font_data:
data = json.load(font_data)
data['glyphs'] = glyphs
# write data to the.json file
with open(json_file, 'w', encoding="utf8") as font_data:
json.dump(data, font_data, indent=4, ensure_ascii=False)
def _get_json_file(self, font_dir):
json_file = os.path.join(font_dir, "font.json")
if not os.path.isfile(json_file):
errormsg(_("Could not find json file. Please create one with Extensions > Ink/Stitch > Font Management > Generate JSON..."))
return json_file
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