index : archinstall32 | |
Archlinux32 installer | gitolite user |
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-rw-r--r-- | archinstall/lib/user_interaction.py | 345 |
diff --git a/archinstall/lib/user_interaction.py b/archinstall/lib/user_interaction.py index 451251cd..0a4cd0f9 100644 --- a/archinstall/lib/user_interaction.py +++ b/archinstall/lib/user_interaction.py @@ -1,27 +1,41 @@ -import getpass, pathlib, os, shutil, re, time -import sys, time, signal, ipaddress, logging -import termios, tty, select # Used for char by char polling of sys.stdin +import getpass +import ipaddress +import logging +import pathlib +import re +import select # Used for char by char polling of sys.stdin +import shutil +import signal +import sys +import termios +import time +import tty + from .exceptions import * -from .profiles import Profile +from .general import SysCommand +from .hardware import AVAILABLE_GFX_DRIVERS, has_uefi from .locale_helpers import list_keyboard_languages, verify_keyboard_layout, search_keyboard_layout -from .output import log -from .storage import storage from .networking import list_interfaces -from .general import sys_command -from .hardware import AVAILABLE_GFX_DRIVERS, hasUEFI +from .output import log +from .profiles import Profile, list_profiles + + +# TODO: Some inconsistencies between the selection processes. +# Some return the keys from the options, some the values? -## TODO: Some inconsistencies between the selection processes. -## Some return the keys from the options, some the values? def get_terminal_height(): return shutil.get_terminal_size().lines + def get_terminal_width(): return shutil.get_terminal_size().columns + def get_longest_option(options): return max([len(x) for x in options]) + def check_for_correct_username(username): if re.match(r'^[a-z_][a-z0-9_-]*\$?$', username) and len(username) <= 32: return True @@ -32,8 +46,10 @@ def check_for_correct_username(username): ) return False + def do_countdown(): SIG_TRIGGER = False + def kill_handler(sig, frame): print() exit(0) @@ -67,8 +83,9 @@ def do_countdown(): signal.signal(signal.SIGINT, original_sigint_handler) return True + def get_password(prompt="Enter a password: "): - while (passwd := getpass.getpass(prompt)): + while passwd := getpass.getpass(prompt): passwd_verification = getpass.getpass(prompt='And one more time for verification: ') if passwd != passwd_verification: log(' * Passwords did not match * ', fg='red') @@ -80,26 +97,41 @@ def get_password(prompt="Enter a password: "): return passwd return None + def print_large_list(options, padding=5, margin_bottom=0, separator=': '): highest_index_number_length = len(str(len(options))) longest_line = highest_index_number_length + len(separator) + get_longest_option(options) + padding + spaces_without_option = longest_line - (len(separator) + highest_index_number_length) max_num_of_columns = get_terminal_width() // longest_line - max_options_in_cells = max_num_of_columns * (get_terminal_height()-margin_bottom) + max_options_in_cells = max_num_of_columns * (get_terminal_height() - margin_bottom) - if (len(options) > max_options_in_cells): + if len(options) > max_options_in_cells: for index, option in enumerate(options): print(f"{index}: {option}") + return 1, index else: - for row in range(0, (get_terminal_height()-margin_bottom)): - for column in range(row, len(options), (get_terminal_height()-margin_bottom)): - spaces = " "*(longest_line - len(options[column])) - print(f"{str(column): >{highest_index_number_length}}{separator}{options[column]}", end = spaces) + for row in range(0, (get_terminal_height() - margin_bottom)): + for column in range(row, len(options), (get_terminal_height() - margin_bottom)): + spaces = " " * (spaces_without_option - len(options[column])) + print(f"{str(column): >{highest_index_number_length}}{separator}{options[column]}", end=spaces) print() return column, row def generic_multi_select(options, text="Select one or more of the options above (leave blank to continue): ", sort=True, default=None, allow_empty=False): + # Checking if the options are different from `list` or `dict` or if they are empty + if type(options) not in [list, dict]: + log(f" * Generic multi-select doesn't support ({type(options)}) as type of options * ", fg='red') + log(" * If problem persists, please create an issue on https://github.com/archlinux/archinstall/issues * ", fg='yellow') + raise RequirementError("generic_multi_select() requires list or dictionary as options.") + if not options: + log(" * Generic multi-select didn't find any options to choose from * ", fg='red') + log(" * If problem persists, please create an issue on https://github.com/archlinux/archinstall/issues * ", fg='yellow') + raise RequirementError('generic_multi_select() requires at least one option to proceed.') + # After passing the checks, function continues to work + if type(options) == dict: + options = list(options.values()) if sort: options = sorted(options) @@ -108,7 +140,7 @@ def generic_multi_select(options, text="Select one or more of the options above selected_options = [] while True: - if len(selected_options) <= 0 and default and default in options: + if not selected_options and default in options: selected_options.append(default) printed_options = [] @@ -118,38 +150,48 @@ def generic_multi_select(options, text="Select one or more of the options above else: printed_options.append(f'{option}') - section.clear(0, get_terminal_height()-section._cursor_y-1) - x, y = print_large_list(printed_options, margin_bottom=2) + section.clear(0, get_terminal_height() - section._cursor_y - 1) + print_large_list(printed_options, margin_bottom=2) section._cursor_y = len(printed_options) section._cursor_x = 0 section.write_line(text) section.input_pos = section._cursor_x selected_option = section.get_keyboard_input(end=None) - - if selected_option is None: - if len(selected_options) <= 0 and default: - selected_options = [default] - - if len(selected_options) or allow_empty is True: - break - else: - log('* Need to select at least one option!', fg='red') - continue - - elif selected_option.isdigit(): - if (selected_option := int(selected_option)) >= len(options): - log('* Option is out of range, please select another one!', fg='red') - continue - selected_option = options[selected_option] - if selected_option in selected_options: - selected_options.remove(selected_option) + # This string check is necessary to correct work with it + # Without this, Python will raise AttributeError because of stripping `None` + # It also allows to remove empty spaces if the user accidentally entered them. + if isinstance(selected_option, str): + selected_option = selected_option.strip() + try: + if not selected_option: + if not selected_options and default: + selected_options = [default] + elif selected_options or allow_empty: + break + else: + raise RequirementError('Please select at least one option to continue') + elif selected_option.isnumeric(): + if (selected_option := int(selected_option)) >= len(options): + raise RequirementError(f'Selected option "{selected_option}" is out of range') + selected_option = options[selected_option] + if selected_option in selected_options: + selected_options.remove(selected_option) + else: + selected_options.append(selected_option) + elif selected_option in options: + if selected_option in selected_options: + selected_options.remove(selected_option) + else: + selected_options.append(selected_option) else: - selected_options.append(selected_option) + raise RequirementError(f'Selected option "{selected_option}" does not exist in available options') + except RequirementError as e: + log(f" * {e} * ", fg='red') return selected_options -class MiniCurses(): +class MiniCurses: def __init__(self, width, height): self.width = width self.height = height @@ -164,7 +206,7 @@ class MiniCurses(): sys.stdout.flush() sys.stdout.write("\033[%dG" % 0) sys.stdout.flush() - sys.stdout.write(" " * (get_terminal_width()-1)) + sys.stdout.write(" " * (get_terminal_width() - 1)) sys.stdout.flush() sys.stdout.write("\033[%dG" % 0) sys.stdout.flush() @@ -173,36 +215,38 @@ class MiniCurses(): self._cursor_x += len(text) def clear(self, x, y): - if x < 0: x = 0 - if y < 0: y = 0 + if x < 0: + x = 0 + if y < 0: + y = 0 - #import time - #sys.stdout.write(f"Clearing from: {x, y}") - #sys.stdout.flush() - #time.sleep(2) + # import time + # sys.stdout.write(f"Clearing from: {x, y}") + # sys.stdout.flush() + # time.sleep(2) sys.stdout.flush() sys.stdout.write('\033[%d;%df' % (y, x)) - for line in range(get_terminal_height()-y-1, y): - sys.stdout.write(" " * (get_terminal_width()-1)) + for line in range(get_terminal_height() - y - 1, y): + sys.stdout.write(" " * (get_terminal_width() - 1)) sys.stdout.flush() sys.stdout.write('\033[%d;%df' % (y, x)) sys.stdout.flush() def deal_with_control_characters(self, char): mapper = { - '\x7f' : 'BACKSPACE', - '\r' : 'CR', - '\n' : 'NL' + '\x7f': 'BACKSPACE', + '\r': 'CR', + '\n': 'NL' } if (mapped_char := mapper.get(char, None)) == 'BACKSPACE': if self._cursor_x <= self.input_pos: - # Don't backspace futher back than the cursor start position during input + # Don't backspace further back than the cursor start position during input return True # Move back to the current known position (BACKSPACE doesn't updated x-pos) sys.stdout.flush() - sys.stdout.write("\033[%dG" % (self._cursor_x)) + sys.stdout.write("\033[%dG" % self._cursor_x) sys.stdout.flush() # Write a blank space @@ -212,7 +256,7 @@ class MiniCurses(): # And move back again sys.stdout.flush() - sys.stdout.write("\033[%dG" % (self._cursor_x)) + sys.stdout.write("\033[%dG" % self._cursor_x) sys.stdout.flush() self._cursor_x -= 1 @@ -235,16 +279,16 @@ class MiniCurses(): poller.register(sys.stdin.fileno(), select.EPOLLIN) - EOF = False - while EOF is False: + eof = False + while eof is False: for fileno, event in poller.poll(0.025): char = sys.stdin.read(1) - #sys.stdout.write(f"{[char]}") - #sys.stdout.flush() + # sys.stdout.write(f"{[char]}") + # sys.stdout.flush() - if (newline := (char in ('\n', '\r'))): - EOF = True + if newline := (char in ('\n', '\r')): + eof = True if not newline or strip_rowbreaks is False: response += char @@ -263,14 +307,15 @@ class MiniCurses(): if response: return response -def ask_for_superuser_account(prompt='Username for required super-user with sudo privileges: ', forced=False): + +def ask_for_superuser_account(prompt='Username for required superuser with sudo privileges: ', forced=False): while 1: new_user = input(prompt).strip(' ') if not new_user and forced: # TODO: make this text more generic? # It's only used to create the first sudo user when root is disabled in guided.py - log(' * Since root is disabled, you need to create a least one (super) user!', fg='red') + log(' * Since root is disabled, you need to create a least one superuser!', fg='red') continue elif not new_user and not forced: raise UserError("No superuser was created.") @@ -278,11 +323,12 @@ def ask_for_superuser_account(prompt='Username for required super-user with sudo continue password = get_password(prompt=f'Password for user {new_user}: ') - return {new_user: {"!password" : password}} + return {new_user: {"!password": password}} + def ask_for_additional_users(prompt='Any additional users to install (leave blank for no users): '): users = {} - super_users = {} + superusers = {} while 1: new_user = input(prompt).strip(' ') @@ -291,20 +337,21 @@ def ask_for_additional_users(prompt='Any additional users to install (leave blan if not check_for_correct_username(new_user): continue password = get_password(prompt=f'Password for user {new_user}: ') - - if input("Should this user be a sudo (super) user (y/N): ").strip(' ').lower() in ('y', 'yes'): - super_users[new_user] = {"!password" : password} + + if input("Should this user be a superuser (sudoer) [y/N]: ").strip(' ').lower() in ('y', 'yes'): + superusers[new_user] = {"!password": password} else: - users[new_user] = {"!password" : password} + users[new_user] = {"!password": password} + + return users, superusers - return users, super_users def ask_for_a_timezone(): while True: timezone = input('Enter a valid timezone (examples: Europe/Stockholm, US/Eastern) or press enter to use UTC: ').strip().strip('*.') if timezone == '': timezone = 'UTC' - if (pathlib.Path("/usr")/"share"/"zoneinfo"/timezone).exists(): + if (pathlib.Path("/usr") / "share" / "zoneinfo" / timezone).exists(): return timezone else: log( @@ -313,38 +360,41 @@ def ask_for_a_timezone(): fg='red' ) + def ask_for_bootloader() -> str: bootloader = "systemd-bootctl" - if hasUEFI()==False: - bootloader="grub-install" + if not has_uefi(): + bootloader = "grub-install" else: bootloader_choice = input("Would you like to use GRUB as a bootloader instead of systemd-boot? [y/N] ").lower() if bootloader_choice == "y": - bootloader="grub-install" + bootloader = "grub-install" return bootloader + def ask_for_audio_selection(): - audio = "pulseaudio" # Default for most desktop environments + audio = "pulseaudio" # Default for most desktop environments pipewire_choice = input("Would you like to install pipewire instead of pulseaudio as the default audio server? [Y/n] ").lower() if pipewire_choice in ("y", ""): audio = "pipewire" return audio + def ask_to_configure_network(): # Optionally configure one network interface. - #while 1: + # while 1: # {MAC: Ifname} interfaces = { - 'ISO-CONFIG' : 'Copy ISO network configuration to installation', - 'NetworkManager':'Use NetworkManager to control and manage your internet connection', + 'ISO-CONFIG': 'Copy ISO network configuration to installation', + 'NetworkManager': 'Use NetworkManager to control and manage your internet connection', **list_interfaces() } nic = generic_select(interfaces, "Select one network interface to configure (leave blank to skip): ") if nic and nic != 'Copy ISO network configuration to installation': if nic == 'Use NetworkManager to control and manage your internet connection': - return {'nic': nic,'NetworkManager':True} + return {'nic': nic, 'NetworkManager': True} # Current workaround: # For selecting modes without entering text within brackets, @@ -354,8 +404,7 @@ def ask_to_configure_network(): for index, mode in enumerate(modes): print(f"{index}: {mode}") - mode = generic_select(['DHCP', 'IP'], f"Select which mode to configure for {nic} or leave blank for DHCP: ", - options_output=False) + mode = generic_select(['DHCP', 'IP'], f"Select which mode to configure for {nic} or leave blank for DHCP: ", options_output=False) if mode == 'IP': while 1: ip = input(f"Enter the IP and subnet for {nic} (example: 192.168.0.5/24): ").strip() @@ -390,7 +439,7 @@ def ask_to_configure_network(): if len(dns_input := input('Enter your DNS servers (space separated, blank for none): ').strip()): dns = dns_input.split(' ') - return {'nic': nic, 'dhcp': False, 'ip': ip, 'gateway' : gateway, 'dns' : dns} + return {'nic': nic, 'dhcp': False, 'ip': ip, 'gateway': gateway, 'dns': dns} else: return {'nic': nic} elif nic: @@ -398,29 +447,30 @@ def ask_to_configure_network(): return {} + def ask_for_disk_layout(): options = { - 'keep-existing' : 'Keep existing partition layout and select which ones to use where', - 'format-all' : 'Format entire drive and setup a basic partition scheme', - 'abort' : 'Abort the installation' + 'keep-existing': 'Keep existing partition layout and select which ones to use where', + 'format-all': 'Format entire drive and setup a basic partition scheme', + 'abort': 'Abort the installation', } - value = generic_select(options, "Found partitions on the selected drive, (select by number) what you want to do: ", - allow_empty_input=False, sort=True) + value = generic_select(options, "Found partitions on the selected drive, (select by number) what you want to do: ", allow_empty_input=False, sort=True) return next((key for key, val in options.items() if val == value), None) + def ask_for_main_filesystem_format(): options = { - 'btrfs' : 'btrfs', - 'ext4' : 'ext4', - 'xfs' : 'xfs', - 'f2fs' : 'f2fs' + 'btrfs': 'btrfs', + 'ext4': 'ext4', + 'xfs': 'xfs', + 'f2fs': 'f2fs' } - value = generic_select(options, "Select which filesystem your main partition should use (by number or name): ", - allow_empty_input=False) + value = generic_select(options, "Select which filesystem your main partition should use (by number or name): ", allow_empty_input=False) return next((key for key, val in options.items() if val == value), None) + def generic_select(options, input_text="Select one of the above by index or absolute value: ", allow_empty_input=True, options_output=True, sort=False): """ A generic select function that does not output anything @@ -435,20 +485,23 @@ def generic_select(options, input_text="Select one of the above by index or abso this function returns an item from list, a string, or None """ - # Checking if options are different from `list` or `dict` + # Checking if the options are different from `list` or `dict` or if they are empty if type(options) not in [list, dict]: log(f" * Generic select doesn't support ({type(options)}) as type of options * ", fg='red') log(" * If problem persists, please create an issue on https://github.com/archlinux/archinstall/issues * ", fg='yellow') raise RequirementError("generic_select() requires list or dictionary as options.") - # To allow only `list` and `dict`, converting values of options here. - # Therefore, now we can only provide the dictionary itself - if type(options) == dict: options = list(options.values()) - if sort: options = sorted(options) # As we pass only list and dict (converted to list), we can skip converting to list - if len(options) == 0: - log(f" * Generic select didn't find any options to choose from * ", fg='red') + if not options: + log(" * Generic select didn't find any options to choose from * ", fg='red') log(" * If problem persists, please create an issue on https://github.com/archlinux/archinstall/issues * ", fg='yellow') raise RequirementError('generic_select() requires at least one option to proceed.') - + # After passing the checks, function continues to work + if type(options) == dict: + # To allow only `list` and `dict`, converting values of options here. + # Therefore, now we can only provide the dictionary itself + options = list(options.values()) + if sort: + # As we pass only list and dict (converted to list), we can skip converting to list + options = sorted(options) # Added ability to disable the output of options items, # if another function displays something different from this @@ -460,8 +513,8 @@ def generic_select(options, input_text="Select one of the above by index or abso # Now the try...except block handles validation for invalid input from the user while True: try: - selected_option = input(input_text) - if len(selected_option.strip()) == 0: + selected_option = input(input_text).strip() + if not selected_option: # `allow_empty_input` parameter handles return of None on empty input, if necessary # Otherwise raise `RequirementError` if allow_empty_input: @@ -469,21 +522,20 @@ def generic_select(options, input_text="Select one of the above by index or abso raise RequirementError('Please select an option to continue') # Replaced `isdigit` with` isnumeric` to discard all negative numbers elif selected_option.isnumeric(): - selected_option = int(selected_option) - if selected_option >= len(options): + if (selected_option := int(selected_option)) >= len(options): raise RequirementError(f'Selected option "{selected_option}" is out of range') selected_option = options[selected_option] break elif selected_option in options: - break # We gave a correct absolute value + break # We gave a correct absolute value else: raise RequirementError(f'Selected option "{selected_option}" does not exist in available options') except RequirementError as err: log(f" * {err} * ", fg='red') - continue return selected_option + def select_disk(dict_o_disks): """ Asks the user to select a harddrive from the `dict_o_disks` selection. @@ -499,47 +551,44 @@ def select_disk(dict_o_disks): if len(drives) >= 1: for index, drive in enumerate(drives): print(f"{index}: {drive} ({dict_o_disks[drive]['size'], dict_o_disks[drive].device, dict_o_disks[drive]['label']})") - - log(f"You can skip selecting a drive and partitioning and use whatever drive-setup is mounted at /mnt (experimental)", fg="yellow") - drive = generic_select(drives, 'Select one of the above disks (by name or number) or leave blank to use /mnt: ', - options_output=False) + + log("You can skip selecting a drive and partitioning and use whatever drive-setup is mounted at /mnt (experimental)", fg="yellow") + drive = generic_select(drives, 'Select one of the above disks (by name or number) or leave blank to use /mnt: ', options_output=False) if not drive: return drive - + drive = dict_o_disks[drive] return drive raise DiskError('select_disk() requires a non-empty dictionary of disks to select from.') -def select_profile(options): - """ - Asks the user to select a profile from the `options` dictionary parameter. - Usually this is combined with :ref:`archinstall.list_profiles`. - :param options: A `dict` where keys are the profile name, value should be a dict containing profile information. - :type options: dict +def select_profile(): + """ + Asks the user to select a profile from the available profiles. :return: The name/dictionary key of the selected profile :rtype: str """ - profiles = sorted(list(options)) + shown_profiles = sorted(list(list_profiles(filter_top_level_profiles=True))) + actual_profiles_raw = shown_profiles + sorted([profile for profile in list_profiles() if profile not in shown_profiles]) - if len(profiles) >= 1: - for index, profile in enumerate(profiles): + if len(shown_profiles) >= 1: + for index, profile in enumerate(shown_profiles): print(f"{index}: {profile}") print(' -- The above list is a set of pre-programmed profiles. --') print(' -- They might make it easier to install things like desktop environments. --') print(' -- (Leave blank and hit enter to skip this step and continue) --') - selected_profile = generic_select(profiles, 'Enter a pre-programmed profile name if you want to install one: ', - options_output=False) + selected_profile = generic_select(actual_profiles_raw, 'Enter a pre-programmed profile name if you want to install one: ', options_output=False) if selected_profile: return Profile(None, selected_profile) else: raise RequirementError("Selecting profiles require a least one profile to be given as an option.") -def select_language(options, show_only_country_codes=True): + +def select_language(options, show_only_country_codes=True, input_text='Select one of the above keyboard languages (by number or full name): '): """ Asks the user to select a language from the `options` dictionary parameter. Usually this is combined with :ref:`archinstall.list_keyboard_languages`. @@ -553,24 +602,23 @@ def select_language(options, show_only_country_codes=True): :return: The language/dictionary key of the selected language :rtype: str """ - DEFAULT_KEYBOARD_LANGUAGE = 'us' - + default_keyboard_language = 'us' + if show_only_country_codes: languages = sorted([language for language in list(options) if len(language) == 2]) else: languages = sorted(list(options)) if len(languages) >= 1: - for index, language in enumerate(languages): - print(f"{index}: {language}") + print_large_list(languages, margin_bottom=4) print(" -- You can choose a layout that isn't in this list, but whose name you know --") - print(" -- Also, you can enter '?' or 'help' to search for more languages, or skip to use US layout --") + print(f" -- Also, you can enter '?' or 'help' to search for more languages, or skip to use {default_keyboard_language} layout --") while True: - selected_language = input('Select one of the above keyboard languages (by name or full name): ') + selected_language = input(input_text) if not selected_language: - return DEFAULT_KEYBOARD_LANGUAGE + return default_keyboard_language elif selected_language.lower() in ('?', 'help'): while True: filter_string = input("Search for layout containing (example: \"sv-\") or enter 'exit' to exit from search: ") @@ -598,6 +646,7 @@ def select_language(options, show_only_country_codes=True): raise RequirementError("Selecting languages require a least one language to be given as an option.") + def select_mirror_regions(mirrors, show_top_mirrors=True): """ Asks the user to select a mirror or region from the `mirrors` dictionary parameter. @@ -621,8 +670,7 @@ def select_mirror_regions(mirrors, show_top_mirrors=True): print_large_list(regions, margin_bottom=4) print(' -- You can skip this step by leaving the option blank --') - selected_mirror = generic_select(regions, 'Select one of the above regions to download packages from (by number or full name): ', - options_output=False) + selected_mirror = generic_select(regions, 'Select one of the above regions to download packages from (by number or full name): ', options_output=False) if not selected_mirror: # Returning back empty options which can be both used to # do "if x:" logic as well as do `x.get('mirror', {}).get('sub', None)` chaining @@ -639,20 +687,21 @@ def select_mirror_regions(mirrors, show_top_mirrors=True): raise RequirementError("Selecting mirror region require a least one region to be given as an option.") + def select_driver(options=AVAILABLE_GFX_DRIVERS): """ - Some what convoluted function, which's job is simple. + Some what convoluted function, whose job is simple. Select a graphics driver from a pre-defined set of popular options. (The template xorg is for beginner users, not advanced, and should there for appeal to the general public first and edge cases later) """ - + drivers = sorted(list(options)) - + default_option = options["All open-source (default)"] + if drivers: - lspci = sys_command(f'/usr/bin/lspci') - for line in lspci.trace_log.split(b'\r\n'): + for line in SysCommand('/usr/bin/lspci'): if b' vga ' in line.lower(): if b'nvidia' in line.lower(): print(' ** nvidia card detected, suggested driver: nvidia **') @@ -660,13 +709,16 @@ def select_driver(options=AVAILABLE_GFX_DRIVERS): print(' ** AMD card detected, suggested driver: AMD / ATI **') initial_option = generic_select(drivers, input_text="Select your graphics card driver: ") + + if not initial_option: + return default_option + selected_driver = options[initial_option] if type(selected_driver) == dict: driver_options = sorted(list(selected_driver)) - driver_package_group = generic_select(driver_options, f'Which driver-type do you want for {initial_option}: ', - allow_empty_input=False) + driver_package_group = generic_select(driver_options, f'Which driver-type do you want for {initial_option}: ', allow_empty_input=False) driver_package_group = selected_driver[driver_package_group] return driver_package_group @@ -675,6 +727,7 @@ def select_driver(options=AVAILABLE_GFX_DRIVERS): raise RequirementError("Selecting drivers require a least one profile to be given as an option.") + def select_kernel(options): """ Asks the user to select a kernel for system. @@ -685,12 +738,12 @@ def select_kernel(options): :return: The string as a selected kernel :rtype: string """ - - DEFAULT_KERNEL = "linux" - + + default_kernel = "linux" + kernels = sorted(list(options)) - + if kernels: - return generic_multi_select(kernels, f"Choose which kernel to use (leave blank for default: {DEFAULT_KERNEL}): ", default=DEFAULT_KERNEL) - + return generic_multi_select(kernels, f"Choose which kernels to use (leave blank for default: {default_kernel}): ", default=default_kernel, sort=False) + raise RequirementError("Selecting kernels require a least one kernel to be given as an option.") |