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import logging
from typing import Iterator, List
from .exceptions import ServiceException
from .general import SysCommand
from .output import log
def list_keyboard_languages() -> Iterator[str]:
for line in SysCommand("localectl --no-pager list-keymaps", environment_vars={'SYSTEMD_COLORS': '0'}):
yield line.decode('UTF-8').strip()
def list_locales() -> List[str]:
with open('/etc/locale.gen', 'r') as fp:
locales = []
# before the list of locales begins there's an empty line with a '#' in front
# so we'll collect the localels from bottom up and halt when we're donw
entries = fp.readlines()
entries.reverse()
for entry in entries:
text = entry[1:].strip()
if text == '':
break
locales.append(text)
locales.reverse()
return locales
def list_x11_keyboard_languages() -> Iterator[str]:
for line in SysCommand("localectl --no-pager list-x11-keymap-layouts", environment_vars={'SYSTEMD_COLORS': '0'}):
yield line.decode('UTF-8').strip()
def verify_keyboard_layout(layout :str) -> bool:
for language in list_keyboard_languages():
if layout.lower() == language.lower():
return True
return False
def verify_x11_keyboard_layout(layout :str) -> bool:
for language in list_x11_keyboard_languages():
if layout.lower() == language.lower():
return True
return False
def search_keyboard_layout(layout :str) -> Iterator[str]:
for language in list_keyboard_languages():
if layout.lower() in language.lower():
yield language
def set_keyboard_language(locale :str) -> bool:
if len(locale.strip()):
if not verify_keyboard_layout(locale):
log(f"Invalid keyboard locale specified: {locale}", fg="red", level=logging.ERROR)
return False
if (output := SysCommand(f'localectl set-keymap {locale}')).exit_code != 0:
raise ServiceException(f"Unable to set locale '{locale}' for console: {output}")
return True
return False
def list_timezones() -> Iterator[str]:
for line in SysCommand("timedatectl --no-pager list-timezones", environment_vars={'SYSTEMD_COLORS': '0'}):
yield line.decode('UTF-8').strip()
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