Files
Artemis/main.py
2018-10-01 21:25:02 +02:00

208 lines
8.3 KiB
Python

import sys
import os
from pandas import read_csv
from PyQt5.QtWidgets import (QMainWindow,
QApplication,
QMessageBox,
qApp,)
from PyQt5.QtGui import QPixmap
from PyQt5 import uic
from PyQt5.QtCore import QFileInfo, QSize
import webbrowser
from audio_player import AudioPlayer
qt_creator_file = "main_window.ui"
Ui_MainWindow, _ = uic.loadUiType(qt_creator_file)
class MyApp(QMainWindow, Ui_MainWindow):
def __init__(self):
super().__init__()
self.setupUi(self)
self.show()
self.actionExit.triggered.connect(qApp.quit)
self.db_version = None
self.db = None
self.current_signal_name = ''
self.signal_names = []
self.category_labels = [self.cat_mil,
self.cat_rad,
self.cat_active,
self.cat_inactive,
self.cat_ham,
self.cat_comm,
self.cat_avi,
self.cat_mar,
self.cat_ana,
self.cat_dig,
self.cat_trunked,
self.cat_utility,
self.cat_sat,
self.cat_navi,
self.cat_interf,
self.cat_num_stat,
self.cat_time_sig,]
self.property_labels = [self.name_lab,
self.freq_lab,
self.band_lab,
self.mode_lab,
self.modul_lab,
self.loc_lab,
self.acf_lab,
self.description_text,]
self.url_button.clicked.connect(self.go_to_web_page_signal)
self.load_db()
self.display_signals()
self.search_bar.textChanged.connect(self.display_signals)
self.result_list.currentItemChanged.connect(self.display_specs)
self.audio_widget = AudioPlayer(self.play,
self.pause,
self.stop,
self.volume,
self.audio_progress)
def load_db(self):
try:
self.db = read_csv(os.path.join('Data', 'db.csv'),
sep = '*',
header = None,
index_col = 0,
dtype = {'inf_freq': str,
'sup_freq': str,
'mode': str,
'inf_band': str,
'sup_band': str,
'category_code': str,},
names = ["name",
"inf_freq",
"sup_freq",
"mode",
"inf_band",
"sup_band",
"location",
"url",
"description",
"modulation",
"category_code",
"acf",],
)
self.db.fillna("N/A", inplace = True)
except FileNotFoundError:
self.search_bar.setDisabled(True)
box = QMessageBox(self)
box.setWindowTitle("No database")
box.setText("No database available.\n"
"Go to Updates->Download database.")
box.show()
else:
self.signal_names = self.db.index
try:
with open(os.path.join('Data', 'verdb.ini'), 'r') as dbver:
self.db_version = int(dbver.read())
except (FileNotFoundError, ValueError):
box = QMessageBox(self)
box.setWindowTitle("No database version")
box.setText("Unable to detect database version.\n"
"Possible data curruption.\n"
"Go to Updates->Force Download.")
box.show()
self.setStatusTip("Database version: undefined.")
else:
self.setStatusTip(f"Database version: {self.db_version}")
def display_signals(self):
self.result_list.clear()
for signal in self.signal_names:
if self.search_bar.text().lower() in signal.lower():
self.result_list.addItem(signal)
def display_specs(self):
self.display_spectrogram()
item = self.result_list.currentItem()
if item:
self.url_button.setEnabled(True)
self.url_button.setStyleSheet("color: #4c75ff;")
self.current_signal_name = item.text()
self.name_lab.setText(self.current_signal_name)
current_signal = self.db.loc[self.current_signal_name]
category_code = current_signal.loc["category_code"]
self.freq_lab.setText(self.format_numbers(
current_signal.loc["inf_freq"],
current_signal.loc["sup_freq"])
)
self.band_lab.setText(self.format_numbers(
current_signal.loc["inf_band"],
current_signal.loc["sup_band"])
)
self.mode_lab.setText(current_signal.loc["mode"])
self.modul_lab.setText(current_signal.loc["modulation"])
self.loc_lab.setText(current_signal.loc["location"])
self.acf_lab.setText(current_signal.loc["acf"])
self.description_text.setText(current_signal.loc["description"])
for cat, cat_lab in zip(category_code, self.category_labels):
if cat == '0':
cat_lab.setStyleSheet("color: #9f9f9f;")
elif cat == '1':
cat_lab.setStyleSheet("color: #39eaff;")
self.audio_widget.set_audio_player(self.current_signal_name)
else:
self.url_button.setEnabled(False)
self.url_button.setStyleSheet("color: #898989;")
self.current_signal_name = ''
for lab in self.property_labels:
lab.setText("N/A")
for lab in self.category_labels:
lab.setStyleSheet("""color: #9f9f9f;""")
self.audio_widget.set_audio_player()
@classmethod
def format_numbers(cls, lower, upper):
units = {1: 'Hz', 1000: 'kHz', 10**6: 'MHz', 10**9: 'GHz'}
lower_factor = cls.change_unit(lower)
upper_factor = cls.change_unit(upper)
if lower != upper:
lower = int(lower) / lower_factor
upper = int(upper) / upper_factor
return f"{lower} {units[lower_factor]} - {upper} {units[upper_factor]}"
else:
lower = int(lower) / lower_factor
return f"{lower} {units[lower_factor]}"
@staticmethod
def change_unit(num):
if len(num) < 4:
return 1
elif len(num) < 7:
return 1000
elif len(num) < 10:
return 10**6
else:
return 10**9
def display_spectrogram(self):
default_pic = os.path.join("icons_imgs", "image_not_found.png")
item = self.result_list.currentItem()
if item:
spectrogram_name = item.text()
path_spectr = os.path.join("Data", "Spectra", spectrogram_name + ".jpg")
if not QFileInfo(path_spectr).exists():
path_spectr = default_pic
else:
path_spectr = default_pic
self.spectrogram.setPixmap(QPixmap(path_spectr))
def go_to_web_page_signal(self):
if self.current_signal_name:
webbrowser.open(self.db.loc[self.current_signal_name].loc["url"])
if __name__ == '__main__':
my_app = QApplication(sys.argv)
w = MyApp()
sys.exit(my_app.exec_())