mirror of
https://github.com/mofeng-git/One-KVM.git
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136 lines
4.7 KiB
Python
Executable File
136 lines
4.7 KiB
Python
Executable File
#!/usr/bin/env python3
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# ========================================================================== #
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# #
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# KVMD - The main Pi-KVM daemon. #
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# #
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# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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# ========================================================================== #
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import sys
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import csv
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import textwrap
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import dataclasses
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from typing import Set
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from typing import List
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from typing import Optional
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import Xlib.keysymdef.latin1
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import Xlib.keysymdef.miscellany
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import Xlib.keysymdef.xf86
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import mako.template
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# =====
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@dataclasses.dataclass(frozen=True)
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class _OtgKey:
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code: int
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is_modifier: bool
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@dataclasses.dataclass(frozen=True)
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class _X11Key:
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name: str
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code: int
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shift: bool
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@dataclasses.dataclass(frozen=True)
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class _KeyMapping:
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web_name: str
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serial_code: int
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arduino_name: str
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otg_key: _OtgKey
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at1_code: int
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x11_keys: Set[_X11Key]
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def _resolve_keysym(name: str) -> int:
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code: Optional[int] = None
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for module in [
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Xlib.keysymdef.latin1,
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Xlib.keysymdef.miscellany,
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Xlib.keysymdef.xf86,
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]:
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code = getattr(module, name, None)
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if code is not None:
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break
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assert code is not None, name
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return code
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def _read_keymap_csv(path: str) -> List[_KeyMapping]:
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keymap: List[_KeyMapping] = []
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with open(path) as keymap_file:
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for row in csv.DictReader(keymap_file):
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if len(row) >= 6:
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otg_is_modifier = row["otg_key"].startswith("^")
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otg_code = int((row["otg_key"][1:] if otg_is_modifier else row["otg_key"]), 16)
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x11_keys: Set[_X11Key] = set()
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for x11_name in row["x11_names"].split(","):
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x11_shift = x11_name.startswith("^")
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x11_name = (x11_name[1:] if x11_shift else x11_name)
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x11_code = _resolve_keysym(x11_name)
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x11_keys.add(_X11Key(x11_name, x11_code, x11_shift))
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keymap.append(_KeyMapping(
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web_name=row["web_name"],
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serial_code=int(row["serial_code"]),
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arduino_name=row["arduino_name"],
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otg_key=_OtgKey(otg_code, otg_is_modifier),
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at1_code=int(row["at1_code"], 16),
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x11_keys=x11_keys,
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))
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return keymap
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def _render_keymap(keymap: List[_KeyMapping], template_path: str, out_path: str) -> None:
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with open(template_path) as template_file:
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with open(out_path, "w") as out_file:
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template = textwrap.dedent(template_file.read())
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rendered = mako.template.Template(template).render(keymap=keymap)
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out_file.write(rendered)
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# =====
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def main() -> None:
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# https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code/code_values
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# https://github.com/NicoHood/HID/blob/master/src/KeyboardLayouts/ImprovedKeylayouts.h
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# https://gist.github.com/MightyPork/6da26e382a7ad91b5496ee55fdc73db2
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# https://github.com/qemu/keycodemapdb/blob/master/data/keymaps.csv
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# Fields list:
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# - Web
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# - Serial code
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# - Arduino key
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# - OTG code (^ for mod)
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# - AT set1
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# -X11 keysyms (^ for shift)
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assert len(sys.argv) == 4, f"{sys.argv[0]} <keymap.csv> <template> <out>"
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keymap = _read_keymap_csv(sys.argv[1])
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_render_keymap(keymap, sys.argv[2], sys.argv[3])
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# =====
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if __name__ == "__main__":
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main()
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