File: x2console_keymap

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keymapper 0.6.2
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#!/usr/bin/python3

# Copyright (c) 2005 by Matthias Urlichs <smurf@smurf.noris.de>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of Version 2 of the GNU General Public License as
# published by the Free Software Foundation. See the file COPYING.txt
# or (on Debian systems) /usr/share/common-licenses/GPL-2 for details.

"""\
This script analyzes an X11 keymap and prints the equivalent console
keymap name, based on a decision tree.
"""

from __future__ import print_function

from keymapper.parse.x11 import parse_file as parse_x11
from keymapper.fakequery import FakeQuery
from keymapper.script import Script, DupMap, NoMap
from optparse import OptionParser

import io
import sys

import keymapper.tree

if sys.version_info[0] >= 3:
    # Force encoding to UTF-8 even in non-UTF-8 locales.
    sys.stdout = io.TextIOWrapper(
        sys.stdout.detach(), encoding="UTF-8", line_buffering=True
    )
    sys.stderr = io.TextIOWrapper(
        sys.stderr.detach(), encoding="UTF-8", line_buffering=True
    )
else:
    import codecs

    sys.stdout = codecs.getwriter("utf-8")(sys.stdout)
    sys.stderr = codecs.getwriter("utf-8")(sys.stderr)

keymapper.tree.trace = 1

parser = OptionParser(usage="%prog tree_file x11name...", version="%prog 0.1")
parser.remove_option("-h")
# parser.remove_option("--help")
parser.add_option("-?", "--help", action="help", help="show this help text")
parser.add_option(
    "-v", "--verbose", action="count", dest="verbose", help="be more verbose"
)
parser.add_option(
    "-g",
    "--graph",
    action="store_const",
    dest="format",
    const="graphviz",
    help="generate a hopefully-nice-looking .dot file",
)
(opts, args) = parser.parse_args()

with io.open(args[0], encoding="utf-8") as f:
    script = Script(f, verbose=opts.verbose)
rev = {}


def rev_add(b, a):
    if a not in rev:
        rev[a] = set()
    rev[a].add(b)


for x11map in args[1:]:
    km = parse_x11(x11map)
    if km is None:
        continue
    try:
        consolemap = script.run(FakeQuery(km, verbose=opts.verbose))
    except DupMap as err:
        for m in err.args[0]:
            rev_add(km.name, m)
    except NoMap:
        print("# %s could not be mapped." % (km.name,))
    else:
        rev_add(km.name, consolemap)

for a, b in sorted(rev.items()):
    print(a, " ".join(sorted(b)))