118 lines
4.1 KiB
Python
118 lines
4.1 KiB
Python
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#!/bin/python
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# -*- coding: utf-8 -*-
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# Fenrir TTY screen reader
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# By Chrys, Storm Dragon, and contributers.
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from fenrirscreenreader.core import debug
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from collections import Counter
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import string
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from select import select
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from select import epoll
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import select
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import re
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def removeNonprintable(text):
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# Get the difference of all ASCII characters from the set of printable characters
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nonprintable = set([chr(i) for i in range(128)]).difference(string.printable)
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# Use translate to remove all non-printable characters
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return text.translate({ord(character):None for character in nonprintable})
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def insertNewlines(string, every=64):
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return '\n'.join(string[i:i+every] for i in range(0, len(string), every))
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def splitEvery(toSplit, every=64):
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return list(toSplit[i:i+every] for i in range(0, len(toSplit), every))
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def hasMoreRead(fd):
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r, w, e = select([fd], [], [], 0)
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return (fd in r)
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def hasMorePollPri(fd):
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p = epoll()
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p.register(fd, select.POLLPRI | select.POLLERR)
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r = p.poll(0)
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return (fd in r)
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def trackHighlights(oldAttr, newAttr, text, lenght):
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result = ''
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currCursor = None
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if oldAttr == newAttr:
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return result, currCursor
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if len(newAttr) == 0:
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return result, currCursor
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if len(oldAttr) != len(newAttr):
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return result, currCursor
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old = splitEvery(oldAttr,lenght)
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new = splitEvery(newAttr,lenght)
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textLines = text.split('\n')
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background = []
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if len(textLines) - 1 != len(new):
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return result, currCursor
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try:
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bgStat = Counter(newAttr).most_common(3)
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background.append(bgStat[0][0])
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# if there is a third color add a secondary background (for dialogs for example)
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if len(bgStat) > 2:
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if bgStat[1][1] > 40:
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background.append(bgStat[1][0])
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except Exception as e:
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background.append((7,7,0,0,0,0))
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for line in range(len(new)):
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if old[line] != new[line]:
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for column in range(len(new[line])):
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print(new[line][column])
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if old[line][column] != new[line][column]:
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if not new[line][column] in background:
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if not currCursor:
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currCursor = {}
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currCursor['x'] = column
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currCursor['y'] = line
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result += textLines[line][column]
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result += ' '
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return result, currCursor
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'''
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t = 'hallo\nwelt!'
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old = ((1,1,0,0),(1,1,0,0),(1,1,0,0),(1,1,0,0),(1,1,0,0),(1,1,0,0),(1,1,0,0),(1,1,0,0),(1,1,0,0),(1,1,0,0))
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new = ((0,1,1,1),(1,1,1,1),(1,1,1,1),(1,1,1,1),(1,1,1,1),(1,1,0,0),(1,1,0,0),(1,1,0,0),(1,1,0,0),(1,1,0,0))
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trackHighlights(old,new,t,5)
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'''
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class headLineManipulation:
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def __init__(self):
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self.regExSingle = re.compile(r'(([^\w\s])\2{5,})')
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self.regExDouble = re.compile(r'([^\w\s]{2,}){5,}')
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def replaceHeadLines(self, text):
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result = ''
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newText = ''
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lastPos = 0
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for match in self.regExDouble.finditer(text):
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span = match.span()
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newText += text[lastPos:span[0]]
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numberOfChars = len(text[span[0]:span[1]])
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name = text[span[0]:span[1]][:2]
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if name.strip(name[0]) == '':
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newText += ' ' + str(numberOfChars) + ' ' + name[0] + ' '
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else:
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newText += ' ' + str(int(numberOfChars / 2)) + ' ' + name + ' '
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lastPos = span[1]
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newText += ' ' + text[lastPos:]
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lastPos = 0
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for match in self.regExSingle.finditer(newText):
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span = match.span()
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result += text[lastPos:span[0]]
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numberOfChars = len(newText[span[0]:span[1]])
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name = newText[span[0]:span[1]][:2]
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if name.strip(name[0]) == '':
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result += ' ' + str(numberOfChars) + ' ' + name[0] + ' '
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else:
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result += ' ' + str(int(numberOfChars / 2)) + ' ' + name + ' '
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lastPos = span[1]
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result += ' ' + newText[lastPos:]
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return result
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