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#-*- coding: utf-8 -*-
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# Copyright 2014 Calculate Ltd. http://www.calculate-linux.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from calculate.lib.utils.tools import SavableIterator
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from palette import (TextState, BaseColorMapping,
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ConsoleCodeMapping, LightColorMapping, ConsoleColor256,
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ConsoleCodesInfo, SpanPalette)
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class BaseOutput:
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"""
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Базовый вывод текста.
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Вывод просто текста без изменения шрифта
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"""
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def __init__(self,state=None):
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pass
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def setBold(self):
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"""
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Выводимый текст будет жирным
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"""
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pass
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def resetBold(self):
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"""
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Выводимый текст будет нежирным
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"""
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pass
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def setUnderline(self):
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"""
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Выводимый текст будет подчеркнутым
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"""
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pass
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def resetUnderline(self):
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"""
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Выводимый текст не будет подчеркнутым
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"""
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pass
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def setHalfbright(self):
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"""
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Цвет выводимого текста использует полутона
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"""
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pass
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def resetHalfbright(self):
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"""
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Цвет выводимого текста не использует полутона
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"""
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pass
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def reset(self):
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"""
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Использовать шрифт по умолчанию
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"""
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pass
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def endText(self):
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"""
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Обработка текста завершена
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"""
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return ""
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def outputText(self,text):
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"""
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Вывести текст с установленными настройками
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"""
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return text
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def setForeground(self,color):
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"""
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Установить цвет шрифта
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"""
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pass
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def setBackground(self,color):
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"""
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Установить цвет фона
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"""
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pass
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def resetForeground(self,color):
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"""
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Использовать цвет шрифта по умолчанию
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"""
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pass
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def resetBackground(self,color):
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"""
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Использовать цвет фона по умолчанию
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"""
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pass
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def setInvert(self):
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"""
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Включить инверсию
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"""
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def resetInvert(self):
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"""
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Выключить инверсию
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"""
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class SaveAttrOutput(BaseOutput):
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"""
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Базовый класс с сохранением атрибутов
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"""
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def __init__(self,state=None):
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self.prev_state = state.clone() if state else TextState()
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self.current_state = self.prev_state.clone()
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def setBold(self):
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self.current_state.bold = True
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def resetBold(self):
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self.current_state.bold = False
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def setUnderline(self):
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self.current_state.underline = True
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def resetUnderline(self):
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self.current_state.underline = False
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def setHalfbright(self):
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self.current_state.halfbright = True
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def resetHalfbright(self):
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self.current_state.halfbright = False
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def reset(self):
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self.resetBold()
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self.resetHalfbright()
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self.resetUnderline()
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self.resetForeground()
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self.resetBackground()
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self.resetInvert()
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def setForeground(self,color):
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self.current_state.foreground = color
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def resetForeground(self):
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self.current_state.foreground = TextState.Colors.DEFAULT
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def setBackground(self,color):
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self.current_state.background = color
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def resetBackground(self):
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self.current_state.background = TextState.Colors.DEFAULT
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def resetInvert(self):
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self.current_state.invert = False
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def setInvert(self):
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self.current_state.invert = True
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class ColorTerminalOutput(SaveAttrOutput):
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"""
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Форматирует текст для вывода в консоль
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"""
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mapColors = ConsoleCodeMapping(ConsoleCodesInfo.FOREGROUND,
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BaseColorMapping).mapTS_Console
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mapLightColors = ConsoleCodeMapping(ConsoleCodesInfo.FOREGROUND-
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LightColorMapping.offset,
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LightColorMapping).mapTS_Console
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mapBackgroundColors = ConsoleCodeMapping(ConsoleCodesInfo.BACKGROUND,
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BaseColorMapping).mapTS_Console
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def setBold(self):
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self.resetHalfbright()
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SaveAttrOutput.setBold(self)
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def setHalfbright(self):
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self.resetBold()
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SaveAttrOutput.setHalfbright(self)
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def handleForeground(self,prevstate,curstate,attrs):
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cci = ConsoleCodesInfo
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color = curstate.foreground
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if color in self.mapColors:
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attrs.append(self.mapColors[color])
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elif color in self.mapLightColors:
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if prevstate.bold == curstate.bold and curstate.bold == False:
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attrs.append(cci.BOLD)
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attrs.append(self.mapLightColors[color])
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else:
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attrs.append(cci.FOREGROUND_DEFAULT)
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self.resetForeground()
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def handleBackground(self,prevstate,curstate,attrs):
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color = curstate.background
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if color in self.mapBackgroundColors:
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attrs.append(self.mapBackgroundColors[color])
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else:
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attrs.append(ConsoleCodesInfo.BACKGROUND_DEFAULT)
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def handleIntensity(self,prevstate,curstate,attrs):
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if curstate.bold and curstate.bold != prevstate.bold:
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attrs.append(ConsoleCodesInfo.BOLD)
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elif (curstate.halfbright and
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prevstate.halfbright != curstate.halfbright):
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attrs.append(ConsoleCodesInfo.HALFBRIGHT)
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else:
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attrs.append(ConsoleCodesInfo.NORMAL)
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def handleUnderline(self,prevstate,curstate,attrs):
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if curstate.underline:
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attrs.append(ConsoleCodesInfo.UNDERLINE)
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else:
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attrs.append(ConsoleCodesInfo.NOUNDERLINE)
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def handleInvert(self,prevstate,curstate,attrs):
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if curstate.invert:
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attrs.append(ConsoleCodesInfo.INVERT)
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else:
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attrs.append(ConsoleCodesInfo.NOINVERT)
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def _createAttrs(self,prevstate,curstate):
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"""
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Создать ESC последовательность для установки параметров текста
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"""
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attrs = []
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# получить интенсивность (полутон и жирность относятся к интенсивности)
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intensity = lambda x:x & (TextState.Attributes.HALFBRIGHT |
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TextState.Attributes.BOLD)
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if (prevstate.attr != curstate.attr and
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curstate.attr == TextState.Attributes.NONE and
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curstate.foreground is TextState.Colors.DEFAULT and
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curstate.background is TextState.Colors.DEFAULT):
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attrs.append(ConsoleCodesInfo.RESET)
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else:
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if intensity(prevstate.attr) != intensity(curstate.attr):
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self.handleIntensity(prevstate,curstate,attrs)
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if prevstate.underline != curstate.underline:
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self.handleUnderline(prevstate,curstate,attrs)
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if prevstate.invert != curstate.invert:
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self.handleInvert(prevstate,curstate,attrs)
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if prevstate.foreground != curstate.foreground:
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self.handleForeground(prevstate,curstate,attrs)
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if prevstate.background != curstate.background:
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self.handleBackground(prevstate,curstate,attrs)
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return attrs
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def handlePostAttr(self,prevstate,curstate):
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"""
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Добавление аттрибутов после выведенного текста
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"""
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if prevstate.foreground != curstate.foreground:
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color = curstate.foreground
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if (color in self.mapLightColors and
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prevstate.bold == curstate.bold and curstate.bold == False):
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return [ConsoleCodesInfo.NORMAL]
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def _createEscCode(self,attrs):
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"""
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Создать ESC строку
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"""
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attrs = map(str,['\033['] + attrs + ['m'])
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return "%s%s%s"%(attrs[0],";".join(attrs[1:-1]),attrs[-1])
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def outputText(self,s):
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"""
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Задание параметров текста и вывод его
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"""
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if self.prev_state != self.current_state:
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attr = self._createAttrs(self.prev_state,self.current_state)
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attr = self._createEscCode(attr)
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postattr = self.handlePostAttr(self.prev_state,self.current_state)
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if postattr:
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postattr = self._createEscCode(postattr)
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else:
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postattr = ""
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self.prev_state = self.current_state.clone()
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else:
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attr = ""
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postattr = ""
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return attr + s + postattr
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def endText(self):
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self.reset()
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return self.outputText("")
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class ColorTerminal256Output(ColorTerminalOutput):
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"""
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Вывод на 256 цветный терминал
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"""
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mapLightColors = LightColorMapping.mapTS_Console
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def handleForeground(self,prevstate,curstate,attrs):
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color = curstate.foreground
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color256 = ConsoleColor256.rgbToConsole(color)
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if not color256 and color in self.mapLightColors:
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color256 = self.mapLightColors[color]
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if color256:
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attrs.extend([ConsoleCodesInfo.FOREGROUND256,
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ConsoleCodesInfo.COLOR256,
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color256])
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else:
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ColorTerminalOutput.handleForeground(self,prevstate,curstate,attrs)
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def handleBackground(self,prevstate,curstate,attrs):
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color = curstate.background
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color256 = ConsoleColor256.rgbToConsole(color)
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if not color256 and color in self.mapLightColors:
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color256 = self.mapLightColors[color]
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if color256:
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attrs.extend([ConsoleCodesInfo.BACKGROUND256,
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ConsoleCodesInfo.COLOR256,
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color256])
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else:
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ColorTerminalOutput.handleBackground(self,prevstate,curstate,attrs)
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def handlePostAttr(self,prevstate,curstate):
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pass
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class SpanCssOutput(SaveAttrOutput):
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"""
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Форматирует текст для вывода в консоль
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"""
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def __init__(self,state=None,palette=SpanPalette()):
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SaveAttrOutput.__init__(self,state=state)
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self.palette = palette
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def getStringColor(self,color,bold=False,halfbright=False,background=False):
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"""
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Получить название цвета по номеру и состоянию текста
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"""
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if halfbright:
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bright = SpanPalette.LOW_BRIGHT
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elif bold:
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bright = SpanPalette.HIGH_BRIGHT
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else:
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bright = SpanPalette.NORMAL_BRIGHT
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if background:
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return self.palette.getBackgroundColor(color)
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else:
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return self.palette.getTextColor(color,bright)
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def getTags(self,prevstate,curstate):
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"""
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Создать ESC последовательность для установки параметров текста
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"""
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style = []
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colorAttr = ["color","background"]
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if curstate.invert:
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colorAttr = colorAttr[1],colorAttr[0]
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if (prevstate.foreground != curstate.foreground or
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prevstate.bold != curstate.bold or
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curstate.invert or
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prevstate.halfbright != curstate.halfbright):
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sColor = self.getStringColor(curstate.foreground,
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curstate.bold,
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curstate.halfbright,
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background=False)
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style.append("%s:%s;"%(colorAttr[0],sColor))
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if prevstate.background != curstate.background or curstate.invert:
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sColor = self.getStringColor(curstate.background,background=True)
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style.append("%s:%s;"%(colorAttr[1],sColor))
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if prevstate.underline != curstate.underline:
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if curstate.underline:
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style.append("text-decoration:underline;")
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else:
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style.append("text-decoration:none;")
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if prevstate.bold != curstate.bold:
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if curstate.bold:
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style.append("font-weight:bold;")
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else:
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style.append("font-weight:normal;")
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return '<span style="%s">'%"".join(style),'</span>'
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def outputText(self,s):
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if self.prev_state != self.current_state:
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lattr, rattr = self.getTags(self.prev_state,self.current_state)
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else:
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lattr = rattr = ""
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return lattr + s + rattr
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def endText(self):
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self.reset()
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return ""
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