2018-07-21 02:04:32 +02:00

135 lines
4.8 KiB
Python

#!/bin/python
# -*- coding: utf-8 -*-
# Fenrir TTY screen reader
# By Chrys, Storm Dragon, and contributers.
from fenrirscreenreader.core import debug
from fenrirscreenreader.utils import word_utils
import os, string
initialized = False
try:
import enchant
initialized = True
except:
pass
class command():
def __init__(self):
self.language = ''
self.spellChecker = ''
def initialize(self, environment):
self.env = environment
self.updateSpellLanguage()
def shutdown(self):
pass
def getDescription(self):
return 'No Description found'
def updateSpellLanguage(self):
if not initialized:
self.env['runtime']['outputManager'].presentText('pychant is not installed', interrupt=True)
return
self.spellChecker = enchant.Dict(self.env['runtime']['settingsManager'].getSetting('general', 'spellCheckLanguage'))
self.language = self.env['runtime']['settingsManager'].getSetting('general', 'spellCheckLanguage')
def run(self):
if not initialized:
return
if not self.env['runtime']['settingsManager'].getSettingAsBool('general', 'autoSpellCheck'):
return
if self.env['runtime']['settingsManager'].getSetting('general', 'spellCheckLanguage') != self.language:
try:
self.updateSpellLanguage()
except:
return
# just when horizontal cursor move worddetection is needed
if not self.env['runtime']['cursorManager'].isCursorHorizontalMove():
return
# for now no new line
if self.env['runtime']['cursorManager'].isCursorVerticalMove():
return
# more than a keyecho?
if len(self.env['screen']['newDelta']) > 1:
return
# deletion
if self.env['runtime']['screenManager'].isNegativeDelta():
return
# first place could not be the end of a word
if self.env['screen']['newCursor']['x'] == 0:
return
# get the word (just for speedup only look at current line
newContent = self.env['screen']['newContentText'].split('\n')[self.env['screen']['newCursor']['y']]
x, y, currWord, endOfScreen, lineBreak = word_utils.getCurrentWord(self.env['screen']['newCursor']['x'], 0, newContent)
# was this a typed word?
if self.env['runtime']['screenManager'].isDelta():
if not(newContent[self.env['screen']['oldCursor']['x']] in string.whitespace + '!"#$%&()*+,-./:;<=>?@[\\]^_{|}~' and x != self.env['screen']['oldCursor']['x']):
return
else:
currWord = currWord.strip(string.whitespace + '!"#$%&()*+,-./:;<=>?@[\\]^_{|}~')
else:
# or just arrow arround?
if not newContent[self.env['screen']['newCursor']['x']].isspace():
return
if (x + len(currWord) != self.env['screen']['newCursor']['x']) and \
(x + len(currWord) != self.env['screen']['newCursor']['x']-1):
return
# just on end of word
if self.env['screen']['newCursor']['x'] > 0:
if not newContent[self.env['screen']['oldCursor']['x'] - 1].lower() in string.ascii_lowercase:
return
# ignore bash buildins
if currWord in ['cd','fg','bg','alias','bind','dir','caller','buildin','command','declare','echo','enable','help','let','local','logout',\
'mapfile','printf','read','readarray','source','type','typeset','ulimit','unalias']:
return
# ignore the application name
if currWord.upper() == 'FENRIR':
return
if currWord[0] =='-':
return
if currWord[0] == '/':
return
if currWord[0] == '#':
return
if currWord.startswith('./'):
return
if '@' in currWord and '.' in currWord:
return
if currWord[0] == '@':
return
if currWord.isnumeric():
return
if currWord.isdecimal():
return
if currWord.isspace():
return
try:
if os.path.exists("/bin/"+currWord):
return
except:
pass
try:
if os.path.exists("/usr/bin/"+currWord):
return
except:
pass
try:
if os.path.exists("/sbin/"+currWord):
return
except:
pass
if not self.spellChecker.check(currWord):
self.env['runtime']['outputManager'].presentText(_('misspelled'), soundIcon='mispell', interrupt=False, flush=False)
def setCallback(self, callback):
pass