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from __future__ import annotations
import pathlib
from typing import List, Any, Optional, TYPE_CHECKING
from ..locale import list_timezones, list_keyboard_languages
from ..menu import MenuSelectionType, Menu, TextInput
from ..models.audio_configuration import Audio, AudioConfiguration
from ..output import warn
from ..packages.packages import validate_package_list
from ..storage import storage
from ..translationhandler import Language
if TYPE_CHECKING:
_: Any
def ask_ntp(preset: bool = True) -> bool:
prompt = str(_('Would you like to use automatic time synchronization (NTP) with the default time servers?\n'))
prompt += str(_('Hardware time and other post-configuration steps might be required in order for NTP to work.\nFor more information, please check the Arch wiki'))
if preset:
preset_val = Menu.yes()
else:
preset_val = Menu.no()
choice = Menu(prompt, Menu.yes_no(), skip=False, preset_values=preset_val, default_option=Menu.yes()).run()
return False if choice.value == Menu.no() else True
def ask_hostname(preset: str = '') -> str:
while True:
hostname = TextInput(
str(_('Desired hostname for the installation: ')),
preset
).run().strip()
if hostname:
return hostname
def ask_for_a_timezone(preset: Optional[str] = None) -> Optional[str]:
timezones = list_timezones()
default = 'UTC'
choice = Menu(
_('Select a timezone'),
list(timezones),
preset_values=preset,
default_option=default
).run()
match choice.type_:
case MenuSelectionType.Skip: return preset
case MenuSelectionType.Selection: return choice.single_value
return None
def ask_for_audio_selection(
current: Optional[AudioConfiguration] = None
) -> Optional[AudioConfiguration]:
choices = [
Audio.Pipewire.name,
Audio.Pulseaudio.name,
Audio.no_audio_text()
]
preset = current.audio.name if current else None
choice = Menu(
_('Choose an audio server'),
choices,
preset_values=preset
).run()
match choice.type_:
case MenuSelectionType.Skip: return current
case MenuSelectionType.Selection:
value = choice.single_value
if value == Audio.no_audio_text():
return None
else:
return AudioConfiguration(Audio[value])
return None
def select_language(preset: Optional[str] = None) -> Optional[str]:
"""
Asks the user to select a language
Usually this is combined with :ref:`archinstall.list_keyboard_languages`.
:return: The language/dictionary key of the selected language
:rtype: str
"""
kb_lang = list_keyboard_languages()
# sort alphabetically and then by length
sorted_kb_lang = sorted(sorted(list(kb_lang)), key=len)
choice = Menu(
_('Select keyboard layout'),
sorted_kb_lang,
preset_values=preset,
sort=False
).run()
match choice.type_:
case MenuSelectionType.Skip: return preset
case MenuSelectionType.Selection: return choice.single_value
return None
def select_archinstall_language(languages: List[Language], preset: Language) -> Language:
# these are the displayed language names which can either be
# the english name of a language or, if present, the
# name of the language in its own language
options = {lang.display_name: lang for lang in languages}
title = 'NOTE: If a language can not displayed properly, a proper font must be set manually in the console.\n'
title += 'All available fonts can be found in "/usr/share/kbd/consolefonts"\n'
title += 'e.g. setfont LatGrkCyr-8x16 (to display latin/greek/cyrillic characters)\n'
choice = Menu(
title,
list(options.keys()),
default_option=preset.display_name,
preview_size=0.5
).run()
match choice.type_:
case MenuSelectionType.Skip: return preset
case MenuSelectionType.Selection: return options[choice.single_value]
raise ValueError('Language selection not handled')
def ask_additional_packages_to_install(preset: List[str] = []) -> List[str]:
# Additional packages (with some light weight error handling for invalid package names)
print(_('Only packages such as base, base-devel, linux, linux-firmware, efibootmgr and optional profile packages are installed.'))
print(_('If you desire a web browser, such as firefox or chromium, you may specify it in the following prompt.'))
def read_packages(p: List = []) -> list:
display = ' '.join(p)
input_packages = TextInput(_('Write additional packages to install (space separated, leave blank to skip): '), display).run().strip()
return input_packages.split() if input_packages else []
preset = preset if preset else []
packages = read_packages(preset)
if not storage['arguments']['offline'] and not storage['arguments']['no_pkg_lookups']:
while True:
if len(packages):
# Verify packages that were given
print(_("Verifying that additional packages exist (this might take a few seconds)"))
valid, invalid = validate_package_list(packages)
if invalid:
warn(f"Some packages could not be found in the repository: {invalid}")
packages = read_packages(valid)
continue
break
return packages
def add_number_of_parallel_downloads(input_number :Optional[int] = None) -> Optional[int]:
max_recommended = 5
print(_(f"This option enables the number of parallel downloads that can occur during package downloads"))
print(_("Enter the number of parallel downloads to be enabled.\n\nNote:\n"))
print(str(_(" - Maximum recommended value : {} ( Allows {} parallel downloads at a time )")).format(max_recommended, max_recommended))
print(_(" - Disable/Default : 0 ( Disables parallel downloading, allows only 1 download at a time )\n"))
while True:
try:
input_number = int(TextInput(_("[Default value: 0] > ")).run().strip() or 0)
if input_number <= 0:
input_number = 0
break
except:
print(str(_("Invalid input! Try again with a valid input [or 0 to disable]")).format(max_recommended))
pacman_conf_path = pathlib.Path("/etc/pacman.conf")
with pacman_conf_path.open() as f:
pacman_conf = f.read().split("\n")
with pacman_conf_path.open("w") as fwrite:
for line in pacman_conf:
if "ParallelDownloads" in line:
fwrite.write(f"ParallelDownloads = {input_number}\n") if not input_number == 0 else fwrite.write("#ParallelDownloads = 0\n")
else:
fwrite.write(f"{line}\n")
return input_number
def select_additional_repositories(preset: List[str]) -> List[str]:
"""
Allows the user to select additional repositories (multilib, and testing) if desired.
:return: The string as a selected repository
:rtype: string
"""
repositories = ["multilib", "testing"]
choice = Menu(
_('Choose which optional additional repositories to enable'),
repositories,
sort=False,
multi=True,
preset_values=preset,
allow_reset=True
).run()
match choice.type_:
case MenuSelectionType.Skip: return preset
case MenuSelectionType.Reset: return []
case MenuSelectionType.Selection: return choice.single_value
return []
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