mirror of
https://github.com/shizand/statapp.git
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85 lines
3.1 KiB
Python
85 lines
3.1 KiB
Python
#
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# Copyright (c) 2023 Maxim Slipenko, Eugene Lazurenko.
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#
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# This file is part of Statapp
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# (see https://github.com/shizand/statapp).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import numpy as np
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from PySide2.QtWidgets import QFileDialog, QMessageBox
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from statapp.utils import buildMessageBox
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class FileSLCModel:
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def __init__(self):
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super().__init__()
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self.fileName = None
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def saveFile(self, data):
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# pylint: disable=duplicate-code
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if self.fileName:
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file = '\nФайл сохранения: ' + self.fileName
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msgBox = buildMessageBox \
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('Сохранение данных',
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"Сохранить данные в текущий файл?" + file,
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QMessageBox.Question,
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QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel,
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QMessageBox.Cancel)
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reply = msgBox.exec_()
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if reply == QMessageBox.StandardButton.Yes:
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np.savetxt(self.fileName, data, delimiter=",", fmt='%10.5f')
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return True
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if reply == QMessageBox.StandardButton.No:
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self.fileName, _ = QFileDialog.getSaveFileName(
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None, "Сохранить файл", "", "Text Files (*.txt);;CSV Files (*.csv)"
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)
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if self.fileName:
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np.savetxt(self.fileName, data, delimiter=",", fmt='%10.5f')
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return True
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else:
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self.fileName, _ = QFileDialog.getSaveFileName(
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None, "Сохранить файл", "", "Text Files (*.txt);;CSV Files (*.csv)"
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)
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if self.fileName:
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np.savetxt(self.fileName, data, delimiter=",", fmt='%10.5f')
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return True
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return False
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def loadFile(self):
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self.fileName, _ = QFileDialog.getOpenFileName(
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None, "Загрузить файл", "", "Files (*.txt *.csv)"
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)
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if self.fileName:
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try:
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content = np.genfromtxt(self.fileName, delimiter=',', invalid_raise=True, ndmin=2)
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except ValueError:
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QMessageBox.warning \
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(None,
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'Ошибка',
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"Ошибка чтения файла!\nФайл нельзя открыть или файл неверного формата")
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self.fileName = None
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return None
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return content
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return None
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def closeFile(self):
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self.fileName = None
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