62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
import sys
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import os
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from pandas import read_csv
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from PyQt5.QtWidgets import (QMainWindow,
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QApplication,
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QMessageBox,)
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from PyQt5.QtGui import QPixmap
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from PyQt5 import uic
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from PyQt5.QtCore import QFileInfo
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qt_creator_file = "main_window.ui"
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Ui_MainWindow, _ = uic.loadUiType(qt_creator_file)
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class MyApp(QMainWindow, Ui_MainWindow):
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def __init__(self):
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super().__init__()
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self.setupUi(self)
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self.show()
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self.load_db()
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self.display_signals()
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self.search_bar.textChanged.connect(self.display_signals)
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self.result_list.itemSelectionChanged.connect(self.display_spectrogram)
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def load_db(self):
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try:
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db = read_csv(os.path.join('Data', 'db.csv'),
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sep = '*',
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header = None,
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prefix = 'signal_')
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except FileNotFoundError:
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self.signal_names = ''
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self.search_bar.setDisabled(True)
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box = QMessageBox(self)
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box.setStyleSheet("""
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color:#FFFFFF;
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""")
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box.setWindowTitle("No database")
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box.setText("No database available.\n"
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"Go to Updates->Download database.")
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box.show()
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else:
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self.signal_names = db['signal_0']
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def display_signals(self):
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self.result_list.clear()
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for signal in self.signal_names:
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if self.search_bar.text().lower() in signal.lower():
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self.result_list.addItem(signal)
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def display_spectrogram(self):
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spectrogram_name = self.result_list.currentItem().text()
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path_spectr = os.path.join("Data", "Spectra", spectrogram_name + ".jpg")
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if not QFileInfo(path_spectr).exists():
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path_spectr = os.path.join("icons_imgs", "image_not_found.png")
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self.spectrogram.setPixmap(QPixmap(path_spectr))
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if __name__ == '__main__':
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my_app = QApplication(sys.argv)
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w = MyApp()
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sys.exit(my_app.exec_()) |