208 lines
8.3 KiB
Python
208 lines
8.3 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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qApp,)
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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, QSize
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import webbrowser
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from audio_player import AudioPlayer
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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.actionExit.triggered.connect(qApp.quit)
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self.db_version = None
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self.db = None
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self.current_signal_name = ''
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self.signal_names = []
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self.category_labels = [self.cat_mil,
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self.cat_rad,
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self.cat_active,
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self.cat_inactive,
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self.cat_ham,
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self.cat_comm,
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self.cat_avi,
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self.cat_mar,
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self.cat_ana,
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self.cat_dig,
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self.cat_trunked,
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self.cat_utility,
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self.cat_sat,
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self.cat_navi,
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self.cat_interf,
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self.cat_num_stat,
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self.cat_time_sig,]
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self.property_labels = [self.name_lab,
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self.freq_lab,
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self.band_lab,
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self.mode_lab,
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self.modul_lab,
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self.loc_lab,
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self.acf_lab,
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self.description_text,]
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self.url_button.clicked.connect(self.go_to_web_page_signal)
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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.currentItemChanged.connect(self.display_specs)
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self.audio_widget = AudioPlayer(self.play,
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self.pause,
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self.stop,
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self.volume,
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self.audio_progress)
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def load_db(self):
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try:
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self.db = read_csv(os.path.join('Data', 'db.csv'),
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sep = '*',
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header = None,
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index_col = 0,
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dtype = {'inf_freq': str,
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'sup_freq': str,
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'mode': str,
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'inf_band': str,
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'sup_band': str,
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'category_code': str,},
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names = ["name",
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"inf_freq",
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"sup_freq",
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"mode",
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"inf_band",
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"sup_band",
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"location",
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"url",
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"description",
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"modulation",
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"category_code",
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"acf",],
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)
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self.db.fillna("N/A", inplace = True)
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except FileNotFoundError:
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self.search_bar.setDisabled(True)
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box = QMessageBox(self)
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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 = self.db.index
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try:
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with open(os.path.join('Data', 'verdb.ini'), 'r') as dbver:
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self.db_version = int(dbver.read())
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except (FileNotFoundError, ValueError):
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box = QMessageBox(self)
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box.setWindowTitle("No database version")
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box.setText("Unable to detect database version.\n"
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"Possible data curruption.\n"
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"Go to Updates->Force Download.")
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box.show()
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self.setStatusTip("Database version: undefined.")
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else:
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self.setStatusTip(f"Database version: {self.db_version}")
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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_specs(self):
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self.display_spectrogram()
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item = self.result_list.currentItem()
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if item:
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self.url_button.setEnabled(True)
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self.url_button.setStyleSheet("color: #4c75ff;")
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self.current_signal_name = item.text()
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self.name_lab.setText(self.current_signal_name)
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current_signal = self.db.loc[self.current_signal_name]
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category_code = current_signal.loc["category_code"]
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self.freq_lab.setText(self.format_numbers(
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current_signal.loc["inf_freq"],
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current_signal.loc["sup_freq"])
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)
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self.band_lab.setText(self.format_numbers(
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current_signal.loc["inf_band"],
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current_signal.loc["sup_band"])
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)
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self.mode_lab.setText(current_signal.loc["mode"])
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self.modul_lab.setText(current_signal.loc["modulation"])
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self.loc_lab.setText(current_signal.loc["location"])
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self.acf_lab.setText(current_signal.loc["acf"])
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self.description_text.setText(current_signal.loc["description"])
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for cat, cat_lab in zip(category_code, self.category_labels):
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if cat == '0':
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cat_lab.setStyleSheet("color: #9f9f9f;")
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elif cat == '1':
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cat_lab.setStyleSheet("color: #39eaff;")
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self.audio_widget.set_audio_player(self.current_signal_name)
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else:
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self.url_button.setEnabled(False)
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self.url_button.setStyleSheet("color: #898989;")
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self.current_signal_name = ''
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for lab in self.property_labels:
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lab.setText("N/A")
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for lab in self.category_labels:
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lab.setStyleSheet("""color: #9f9f9f;""")
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self.audio_widget.set_audio_player()
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@classmethod
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def format_numbers(cls, lower, upper):
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units = {1: 'Hz', 1000: 'kHz', 10**6: 'MHz', 10**9: 'GHz'}
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lower_factor = cls.change_unit(lower)
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upper_factor = cls.change_unit(upper)
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if lower != upper:
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lower = int(lower) / lower_factor
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upper = int(upper) / upper_factor
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return f"{lower} {units[lower_factor]} - {upper} {units[upper_factor]}"
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else:
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lower = int(lower) / lower_factor
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return f"{lower} {units[lower_factor]}"
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@staticmethod
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def change_unit(num):
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if len(num) < 4:
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return 1
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elif len(num) < 7:
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return 1000
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elif len(num) < 10:
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return 10**6
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else:
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return 10**9
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def display_spectrogram(self):
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default_pic = os.path.join("icons_imgs", "image_not_found.png")
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item = self.result_list.currentItem()
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if item:
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spectrogram_name = item.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 = default_pic
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else:
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path_spectr = default_pic
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self.spectrogram.setPixmap(QPixmap(path_spectr))
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def go_to_web_page_signal(self):
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if self.current_signal_name:
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webbrowser.open(self.db.loc[self.current_signal_name].loc["url"])
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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_()) |