Improved configuration tool.
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Storm Dragon
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7514744cdd
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195
tools/configure-fenrir
Executable file
195
tools/configure-fenrir
Executable file
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#!/usr/bin/env python3
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import os
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import sys
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import configparser
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import dialog
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from typing import Dict, List, Optional
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import subprocess
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class FenrirConfig:
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def __init__(self):
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os.environ['DIALOGOPTS'] = '--no-lines --visit-items'
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self.tui = dialog.Dialog(dialog="dialog")
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self.settingsFile = '/etc/fenrirscreenreader/settings/settings.conf'
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# Check if we need to re-run with elevated privileges
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if not self.check_root():
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self.escalate_privileges()
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sys.exit(0)
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# Navigation instructions for different dialog types
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self.instructions = {
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'menu': "\nNavigation: Use Up/Down arrows to move, Enter to select, Escape to go back",
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'radiolist': "\nNavigation: Use Up/Down arrows to move, Space to select option, Enter to confirm, Escape to cancel",
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'inputbox': "\nEnter your value and press Enter to confirm, or Escape to cancel"
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}
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# Predefined options for certain settings
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self.presetOptions = {
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# Drivers
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'sound.driver': ['genericDriver', 'gstreamerDriver'],
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'speech.driver': ['speechdDriver', 'genericDriver'],
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'braille.driver': ['dummyDriver', 'brailttyDriver', 'brlapiDriver'],
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'screen.driver': ['vcsaDriver', 'dummyDriver', 'ptyDriver', 'debugDriver'],
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'keyboard.driver': ['evdevDriver', 'dummyDriver'],
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'remote.driver': ['unixDriver', 'tcpDriver'],
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# Other preset options
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'braille.flushMode': ['word', 'char', 'fix', 'none'],
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'braille.cursorFocusMode': ['page', 'fixCell'],
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'braille.cursorFollowMode': ['review', 'last', 'none'],
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'keyboard.charEchoMode': ['0', '1', '2'],
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'general.punctuationLevel': ['none', 'some', 'most', 'all'],
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'general.debugMode': ['File', 'Print']
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}
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# Help text for certain options
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self.helpText = {
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'sound.volume': 'Volume level from 0 (quietest) to 1.0 (loudest)',
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'speech.rate': 'Speech rate from 0 (slowest) to 1.0 (fastest)',
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'speech.pitch': 'Voice pitch from 0 (lowest) to 1.0 (highest)',
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'keyboard.charEchoMode': '0 = None, 1 = always, 2 = only while capslock',
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'braille.flushMode': 'word = flush after words, char = flush after chars, fix = flush after time, none = manual flush'
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}
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def check_root(self) -> bool:
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"""Check if the script is running with root privileges"""
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return os.geteuid() == 0
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def find_privilege_escalation_tool(self) -> Optional[str]:
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"""Find available privilege escalation tool (sudo or doas)"""
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for tool in ['sudo', 'doas']:
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if subprocess.run(['which', tool], stdout=subprocess.PIPE).returncode == 0:
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return tool
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return None
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def escalate_privileges(self):
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"""Re-run the script with elevated privileges"""
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tool = self.find_privilege_escalation_tool()
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if not tool:
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self.tui.msgbox("Error: Neither sudo nor doas found. Please run this script as root.")
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sys.exit(1)
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try:
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scriptPath = os.path.abspath(sys.argv[0])
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command = [tool, sys.executable, scriptPath] + sys.argv[1:]
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os.execvp(tool, command)
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except Exception as e:
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self.tui.msgbox(f"Error escalating privileges: {str(e)}")
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sys.exit(1)
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def check_permissions(self) -> bool:
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"""Check if we have write permissions to the settings file"""
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if not os.access(self.settingsFile, os.W_OK):
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self.tui.msgbox("Error: Insufficient permissions to modify the settings file even with root privileges.")
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return False
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return True
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def is_boolean_option(self, value: str) -> bool:
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"""Check if the current value is likely a boolean option"""
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return value.lower() in ['true', 'false']
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def validate_input(self, section: str, option: str, value: str) -> tuple[bool, str]:
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"""Validate user input based on the option type and constraints"""
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try:
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if option.endswith('volume') or option.endswith('rate') or option.endswith('pitch'):
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floatVal = float(value)
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if not 0 <= floatVal <= 1.0:
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return False, "Value must be between 0 and 1.0"
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return True, value
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except ValueError:
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return False, "Invalid number format"
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def get_value_with_presets(self, section: str, option: str, currentValue: str) -> Optional[str]:
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"""Get value using appropriate input method based on option type"""
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key = f"{section}.{option}"
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# Handle boolean options
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if self.is_boolean_option(currentValue):
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choices = [
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('True', '', currentValue.lower() == 'true'),
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('False', '', currentValue.lower() == 'false')
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]
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code, tag = self.tui.radiolist(
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f"Select value for '{option}'" + self.instructions['radiolist'],
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choices=choices
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)
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return tag if code == self.tui.OK else None
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# Handle other preset options
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elif key in self.presetOptions:
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choices = [(opt, "", opt == currentValue) for opt in self.presetOptions[key]]
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code, tag = self.tui.radiolist(
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f"Select value for '{option}'" +
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(f"\n{self.helpText[key]}" if key in self.helpText else "") +
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self.instructions['radiolist'],
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choices=choices
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)
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return tag if code == self.tui.OK else None
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# Handle free-form input
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else:
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helpText = self.helpText.get(key, "")
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code, value = self.tui.inputbox(
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f"Enter value for '{option}'" +
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(f"\n{helpText}" if helpText else "") +
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self.instructions['inputbox'],
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init=currentValue
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)
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if code == self.tui.OK:
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isValid, message = self.validate_input(section, option, value)
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if not isValid:
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self.tui.msgbox(f"Invalid input: {message}")
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return None
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return value
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return None
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def run(self):
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if not self.check_permissions():
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return
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while True:
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config = configparser.ConfigParser()
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config.read(self.settingsFile)
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sections = config.sections()
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code, section = self.tui.menu(
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"Select a section:" + self.instructions['menu'],
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choices=[(s, "") for s in sections] + [("Exit", " ")]
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)
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if section == "Exit":
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break
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while True:
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options = config.options(section)
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choices = [(o, f"Current: {config.get(section, o)}") for o in options]
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choices.append(("Go Back", " "))
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code, option = self.tui.menu(
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f"Select option to edit in '{section}':" + self.instructions['menu'],
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choices=choices
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)
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if option == "Go Back":
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break
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if code == self.tui.OK:
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currentValue = config.get(section, option)
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newValue = self.get_value_with_presets(section, option, currentValue)
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if newValue is not None and newValue != currentValue:
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config.set(section, option, newValue)
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with open(self.settingsFile, 'w') as configfile:
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config.write(configfile)
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self.tui.msgbox("Settings saved successfully.")
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if __name__ == "__main__":
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configTool = FenrirConfig()
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try:
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configTool.run()
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except (configparser.Error, dialog.error) as e:
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sys.exit(0)
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except Exception as e:
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print(f"Unexpected error occurred: {str(e)}", file=sys.stderr)
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sys.exit(1)
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@ -1,66 +0,0 @@
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#!/usr/bin/env python3
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# Fenrir TTY screen reader
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# By Chrys, Storm Dragon, and contributers.
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import os
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import configparser
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import dialog
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# Make sure dialog is accessible
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os.environ['DIALOGOPTS'] = '--no-lines --visit-items'
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# Initialize the dialog
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tui = dialog.Dialog(dialog="dialog")
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# Define the path to the settings file
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settings_file = '/etc/fenrirscreenreader/settings/settings.conf'
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# Check write permissions for the settings file
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if not os.access(settings_file, os.W_OK):
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tui.msgbox("Error: Insufficient permissions to modify the settings file. Please run as root or with sudo.")
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exit()
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while True:
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# Load the settings file
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config = configparser.ConfigParser()
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config.read(settings_file)
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# Get a list of sections in the settings file
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sections = config.sections()
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# Select a section.
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code, section = tui.menu("Select a section:", choices=[(s, "") for s in sections] + [("Exit", " ")])
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# Exit if the "Exit" option is chosen
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if section == "Exit":
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break
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while True:
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# Get the options in the selected section
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options = config.options(section)
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# Select a value to edit using dialog
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code, option = tui.menu(f"Select a value to edit in '{section}':", choices=[(o, "") for o in options] + [("Go Back", " ")])
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# Go back to the section menu if the "Go Back" option is chosen
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if option == "Go Back":
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break
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# If something is selected, prompt for a new value.
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if code == tui.OK:
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value = config.get(section, option)
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code, new_value = tui.inputbox(f"Enter a new value for '{option}':", init=value)
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# If a new setting is provided, update the configuration
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if code == tui.OK:
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config.set(section, option, new_value)
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# Save changes.
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with open(settings_file, 'w') as configfile:
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config.write(configfile)
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tui.msgbox("Fenrir settings saved.")
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else:
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tui.msgbox("Changes discarded. Your Fenrir configuration has not been modified.")
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else:
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tui.msgbox("Canceled.")
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