Refactor the dependency checker.
This commit is contained in:
Storm Dragon
@@ -1,232 +1,141 @@
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#!/usr/bin/env python3
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#!/usr/bin/env python3
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import os, sys
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# default installation
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import os
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# core
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import sys
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# speech: speech-dispatcher
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from dataclasses import dataclass
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# sound: sox
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from typing import List, Optional
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# braille: brltty:
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defaultInstallation = ['FenrirCore','vcsaDriver','dummyDriver (braille)','evdevDriver','genericDriver (speech)', 'genericDriver (sound)']
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currentInstallation = []
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print('checking dependencys...')
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@dataclass
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# CORE
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class Dependency:
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print('')
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name: str
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print('fenrir core:')
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depType: str # screen, braille, input, sound, speech, core
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available = True
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moduleName: str
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checkCommands: Optional[List[str]] = None # Command-line tools to check
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pythonImports: Optional[List[str]] = None # Python packages to check
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devicePaths: Optional[List[str]] = None # Device files to check
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def check_dependency(dep: Dependency) -> bool:
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"""Check if a single dependency is satisfied."""
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isAvailable = True
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if dep.pythonImports:
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for package in dep.pythonImports:
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try:
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try:
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from daemonize import Daemonize
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moduleName = package.split('.')[0]
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print('python3-daemonize: OK')
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__import__(moduleName)
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except:
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print(f'{package}: OK')
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print('python3-daemonize: FAIL')
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except ImportError:
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available = available and False
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print(f'{package}: FAIL')
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isAvailable = False
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try:
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if dep.checkCommands:
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import enchant
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for cmd in dep.checkCommands:
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print('pyenchant: OK')
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if os.path.exists(f'/usr/bin/{cmd}') or os.path.exists(f'/bin/{cmd}'):
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except:
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print(f'{cmd}: OK')
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print('pyenchant: FAIL')
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available = available and False
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if available:
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currentInstallation.append('FenrirCore')
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# SCREEN
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print('--------------------')
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print('screen driver')
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# dummy and debug
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print('dummyDriver (screen): OK')
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currentInstallation.append('dummyDriver (screen)')
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# VCSA (screen driver)
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print('vcsaDriver')
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available = True
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try:
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import dbus
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print('python3-dbus: OK')
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except:
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print('python3-dbus: FAIL')
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available = available and False
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if os.path.exists('/dev/vcsa'):
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print('VCSA Device: OK')
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else:
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else:
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print('VCSA Device: FAIL')
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print(f'{cmd}: FAIL')
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available = available and False
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isAvailable = False
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if available:
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currentInstallation.append('vcsaDriver')
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print('')
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# pty emulation (screen driver)
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print('ptyDriver')
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available = True
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try:
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import pyte
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print('pyte: OK')
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except:
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print('pyte: FAIL')
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available = available and False
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if available:
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currentInstallation.append('ptyDriver (screen)')
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# BRAILLE
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if dep.devicePaths:
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print('--------------------')
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for path in dep.devicePaths:
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print('braille driver')
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if os.path.exists(path):
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# dummy and debug
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print(f'{path}: OK')
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print('dummyDriver (braille): OK')
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currentInstallation.append('dummyDriver (braille)')
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print('debugDriver (braille): OK')
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currentInstallation.append('debugDriver (braille)')
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# brltty (braille driver)
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print('brlapiDriver')
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available = True
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try:
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import brlapi
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print('python3-brlapi: OK')
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except:
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print('python3-brlapi: FAIL')
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available = available and False
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if available:
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currentInstallation.append('brlapiDriver')
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# INPUT
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print('--------------------')
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print('input driver')
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# dummy and debug
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print('dummyDriver (input): OK')
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currentInstallation.append('dummyDriver (input)')
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print('debugDriver (input): OK')
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currentInstallation.append('debugDriver (input)')
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# evdev (input driver)
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print('evdevDriver')
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available = True
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try:
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import evdev
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from evdev import InputDevice, UInput
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print('python3-evdev: OK')
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except:
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print('python3-evdev: FAIL')
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available = available and False
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try:
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import pyudev
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print('python3-pyudev: OK')
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except:
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print('python3-pyudev: FAIL')
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available = available and False
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if available:
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currentInstallation.append('evdevDriver')
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# pty emulation (input driver)
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print('')
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print('ptyDriver')
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available = True
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try:
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import pyte
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print('pyte: OK')
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except:
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print('pyte: FAIL')
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available = available and False
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if available:
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currentInstallation.append('ptyDriver (Input)')
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# SOUND
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print('--------------------')
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print('sound driver')
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# dummy and debug
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print('dummyDriver (sound): OK')
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currentInstallation.append('dummyDriver (sound)')
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print('debugDriver (sound): OK')
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currentInstallation.append('debugDriver (sound)')
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print('genericDriver (uses sox by default)')
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available = True
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if os.path.exists('/usr/bin/play') and os.path.exists('/usr/bin/sox'):
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print('sox: OK')
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else:
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else:
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print('sox: FAIL')
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print(f'{path}: FAIL')
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available = available and False
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isAvailable = False
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if available:
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currentInstallation.append('genericDriver (sound)')
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print('')
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# gstreamer (sound driver)
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print('gstreamerDriver')
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available = True
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try:
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import gi
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print('gi: OK')
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except:
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print('gi: FAIL')
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available = available and False
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try:
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from gi.repository import GLib
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print('gi GLib: OK')
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except:
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print('gi GLib: FAIL')
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available = available and False
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try:
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gi.require_version('Gst', '1.0')
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from gi.repository import Gst
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print('gi Gst: OK')
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except:
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print('gi Gst: FAIL')
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available = available and False
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if available:
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currentInstallation.append('gstreamerDriver')
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# SPEECH
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return isAvailable
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print('--------------------')
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print('speech driver')
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# dummy and debug
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print('dummyDriver (speech): OK')
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currentInstallation.append('dummyDriver (speech)')
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print('debugDriver (speech): OK')
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currentInstallation.append('debugDriver (speech)')
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# speechd (speech driver)
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print('speechdDriver')
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available = True
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try:
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import speechd
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print('python3-speechd: OK')
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except:
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print('python3-speechd: FAIL')
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available = available and False
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if available:
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currentInstallation.append('speechdDriver')
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print('')
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# espeak (speech driver)
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print('espeakDriver')
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available = True
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try:
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from espeak import espeak
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print('python3-espeak: OK')
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except:
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print('python3-espeak: FAIL')
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available = available and False
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if available:
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currentInstallation.append('espeakDriver')
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print('genericDriver (uses espeak-ng by default)')
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available = True
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if os.path.exists('/usr/bin/espeak-ng') or os.path.exists('/bin/espeak-ng'):
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print('espeak-ng: OK')
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else:
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print('espeak-ng: FAIL')
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available = available and False
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if available:
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currentInstallation.append('genericDriver (speech)')
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# SUMMERY
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# Define all dependencies
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print('====================')
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dependencyList = [
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available = True
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# Core dependencies
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missing = []
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Dependency('FenrirCore', 'core', 'core',
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for element in defaultInstallation:
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pythonImports=['daemonize', 'enchant']),
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if not element in currentInstallation:
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available = False
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# Screen drivers
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missing.append(element)
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Dependency('DummyScreen', 'screen', 'dummyDriver'),
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if available:
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Dependency('VCSA', 'screen', 'vcsaDriver',
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print('Default Setup: OK')
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pythonImports=['dbus'],
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else:
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devicePaths=['/dev/vcsa']),
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Dependency('PTY', 'screen', 'ptyDriver',
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pythonImports=['pyte']),
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# Braille drivers
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Dependency('DummyBraille', 'braille', 'dummyDriver'),
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Dependency('DebugBraille', 'braille', 'debugDriver'),
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Dependency('BRLAPI', 'braille', 'brlapiDriver',
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pythonImports=['brlapi']),
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# Input drivers
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Dependency('DummyInput', 'input', 'dummyDriver'),
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Dependency('DebugInput', 'input', 'debugDriver'),
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Dependency('Evdev', 'input', 'evdevDriver',
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pythonImports=['evdev', 'evdev.InputDevice', 'evdev.UInput', 'pyudev']),
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Dependency('PTYInput', 'input', 'ptyDriver',
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pythonImports=['pyte']),
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# Sound drivers
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Dependency('DummySound', 'sound', 'dummyDriver'),
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Dependency('DebugSound', 'sound', 'debugDriver'),
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Dependency('GenericSound', 'sound', 'genericDriver',
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checkCommands=['play', 'sox']),
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Dependency('GStreamer', 'sound', 'gstreamerDriver',
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pythonImports=['gi', 'gi.repository.GLib', 'gi.repository.Gst']),
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# Speech drivers
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Dependency('DummySpeech', 'speech', 'dummyDriver'),
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Dependency('DebugSpeech', 'speech', 'debugDriver'),
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Dependency('Speechd', 'speech', 'speechdDriver',
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pythonImports=['speechd']),
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Dependency('GenericSpeech', 'speech', 'genericDriver',
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checkCommands=['espeak-ng'])
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]
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defaultModules = {
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'FenrirCore',
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'VCSA',
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'DummyBraille',
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'Evdev',
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'GenericSpeech',
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'GenericSound'
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}
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def check_all_dependencies():
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print('Checking dependencies...\n')
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availableModules = []
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# Group dependencies by type for organized output
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for depType in ['core', 'screen', 'braille', 'input', 'sound', 'speech']:
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print(f'{depType.upper()} DRIVERS')
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print('-' * 20)
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depsOfType = [d for d in dependencyList if d.depType == depType]
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for dep in depsOfType:
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print(f'\nChecking {dep.name}:')
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if check_dependency(dep):
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availableModules.append(dep.name)
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print('')
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print_summary(availableModules)
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def print_summary(availableModules: List[str]):
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print('=' * 20)
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print('SUMMARY')
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print('=' * 20)
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missingModules = defaultModules - set(availableModules)
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if missingModules:
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print('Default Setup: FAIL')
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print('Default Setup: FAIL')
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print('Unavailable Default Modules:')
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print('\nUnavailable Default Modules:')
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for e in missing:
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for module in missingModules:
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print(e)
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print(f'- {module}')
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print('you may need to install the missing dependencys for the modules above or reconfigure fenrir to not use them')
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print('\nYou may need to install the missing dependencies for the modules above or reconfigure fenrir to not use them.')
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print('')
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else:
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print('Available Modules:')
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print('Default Setup: OK')
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for element in currentInstallation:
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print(element)
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print('\nAvailable Modules:')
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for module in availableModules:
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print(f'- {module}')
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if __name__ == '__main__':
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check_all_dependencies()
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Reference in New Issue
Block a user