mirror of
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53 lines
2.0 KiB
Python
53 lines
2.0 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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import numpy as np
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from PySide2.QtWidgets import QFileDialog, QMessageBox
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class FileSLCModel:
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def __init__(self):
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super().__init__()
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self.file_name = None
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def saveFile(self, data):
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if not self.file_name:
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self.file_name, _ = QFileDialog.getSaveFileName(None, "Сохранить файл", "", "Text Files (*.txt);;CSV Files (*.csv)")
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if self.file_name:
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np.savetxt(self.file_name, data, delimiter=",")
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return True
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return False
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def loadFile(self):
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self.file_name, _ = QFileDialog.getOpenFileName(None, "Загрузить файл", "", "Files (*.txt *.csv)")
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if self.file_name:
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try:
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content = np.genfromtxt(self.file_name, delimiter=',', invalid_raise=True, ndmin=2)
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except ValueError as e:
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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.file_name = None
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return None
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return content
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def closeFile(self):
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self.file_name = None
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pass
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