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#!/usr/bin/python3
#
# Copyright 2015 Daiki Ueno <dueno@src.gnome.org>
# 2016 Parag Nemade <pnemade@redhat.com>
# 2017 Alan <alan@boum.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this program; if not, see
# <http://www.gnu.org/licenses/>.
import glob
import json
import locale
import logging
import os
import re
import sys
import xml.etree.ElementTree
import gi
gi.require_version('GnomeDesktop', '3.0') # NOQA: E402
from gi.repository import GnomeDesktop
ESCAPE_PATTERN = re.compile(r'\\u\{([0-9A-Fa-f]+?)\}')
ISO_PATTERN = re.compile(r'[A-E]([0-9]+)')
LOCALE_TO_XKB_OVERRIDES = {
'af': 'za',
'en': 'us',
'en-GB': 'uk',
'es-US': 'latam',
'fr-CA': 'ca',
'hi': 'in+bolnagri',
'ky': 'kg',
'nl-BE': 'be',
'zu': None
}
def parse_single_key(value):
def unescape(m):
return chr(int(m.group(1), 16))
value = ESCAPE_PATTERN.sub(unescape, value)
return value
def parse_rows(keymap):
unsorted_rows = {}
for _map in keymap.iter('map'):
value = _map.get('to')
key = [parse_single_key(value)]
iso = _map.get('iso')
if not ISO_PATTERN.match(iso):
sys.stderr.write('invalid ISO key name: %s\n' % iso)
continue
if not iso[0] in unsorted_rows:
unsorted_rows[iso[0]] = []
unsorted_rows[iso[0]].append((int(iso[1:]), key))
# add subkeys
longPress = _map.get('longPress')
if longPress:
for value in longPress.split(' '):
subkey = parse_single_key(value)
key.append(subkey)
rows = []
for k, v in sorted(list(unsorted_rows.items()),
key=lambda x: x[0],
reverse=True):
row = []
for key in sorted(v, key=lambda x: x):
row.append(key[1])
rows.append(row)
return rows
def convert_xml(tree):
root = {}
for xml_keyboard in tree.iter("keyboard"):
locale_full = xml_keyboard.get("locale")
locale, sep, end = locale_full.partition("-t-")
root["locale"] = locale
for xml_name in tree.iter("name"):
name = xml_name.get("value")
root["name"] = name
root["levels"] = []
# parse levels
for index, keymap in enumerate(tree.iter('keyMap')):
# FIXME: heuristics here
modifiers = keymap.get('modifiers')
if not modifiers:
mode = 'default'
modifiers = ''
elif 'shift' in modifiers.split(' '):
mode = 'latched'
modifiers = 'shift'
else:
mode = 'locked'
level = {}
level["level"] = modifiers
level["mode"] = mode
level["rows"] = parse_rows(keymap)
root["levels"].append(level)
return root
def locale_to_xkb(locale, name):
if locale in sorted(LOCALE_TO_XKB_OVERRIDES.keys()):
xkb = LOCALE_TO_XKB_OVERRIDES[locale]
logging.debug("override for %s → %s",
locale, xkb)
if xkb:
return xkb
else:
raise KeyError("layout %s explicitly disabled in overrides"
% locale)
xkb_names = sorted(name_to_xkb.keys())
if name in xkb_names:
return name_to_xkb[name]
else:
logging.debug("name %s failed" % name)
for sub_name in name.split(' '):
if sub_name in xkb_names:
xkb = name_to_xkb[sub_name]
logging.debug("dumb mapping failed but match with locale word: "
"%s (%s) → %s (%s)",
locale, name, xkb, sub_name)
return xkb
else:
logging.debug("sub_name failed")
for xkb_name in xkb_names:
for xkb_sub_name in xkb_name.split(' '):
if xkb_sub_name.strip('()') == name:
xkb = name_to_xkb[xkb_name]
logging.debug("dumb mapping failed but match with xkb word: "
"%s (%s) → %s (%s)",
locale, name, xkb, xkb_name)
return xkb
raise KeyError("failed to find XKB mapping for %s" % locale)
def convert_file(source_file, destination_path):
logging.info("Parsing %s", source_file)
itree = xml.etree.ElementTree.ElementTree()
itree.parse(source_file)
root = convert_xml(itree)
try:
xkb_name = locale_to_xkb(root["locale"], root["name"])
except KeyError as e:
logging.warning(e)
return False
destination_file = os.path.join(destination_path, xkb_name + ".json")
try:
with open(destination_file, 'x', encoding="utf-8") as dest_fd:
json.dump(root, dest_fd, ensure_ascii=False, indent=2, sort_keys=True)
except FileExistsError as e:
logging.info("File %s exists, not updating", destination_file)
return False
logging.debug("written %s", destination_file)
def load_xkb_mappings():
xkb = GnomeDesktop.XkbInfo()
layouts = xkb.get_all_layouts()
name_to_xkb = {}
for layout in layouts:
name = xkb.get_layout_info(layout).display_name
name_to_xkb[name] = layout
return name_to_xkb
locale.setlocale(locale.LC_ALL, "C")
name_to_xkb = load_xkb_mappings()
if __name__ == "__main__":
if "DEBUG" in os.environ:
logging.basicConfig(level=logging.DEBUG)
if len(sys.argv) < 2:
print("supply a CLDR keyboard file")
sys.exit(1)
if len(sys.argv) < 3:
print("supply an output directory")
sys.exit(1)
source = sys.argv[1]
destination = sys.argv[2]
if os.path.isfile(source):
convert_file(source, destination)
elif os.path.isdir(source):
for path in glob.glob(source + "/*-t-k0-android.xml"):
convert_file(path, destination)
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