def __init__(self):
# initialize inherited class, resize, center, set title and icon
super().__init__()
self.resize(900, 500)
self.setWindowTitle('Stock Gui v0.00')
self.setWindowIcon(QtGui.QIcon('pngs/wolf.png'))
center(self)
# set default format for date strings and plots
self.format = '%d %b %Y'
self.linesty = 'o-'
self.lw = 2
self.ms = 4
plt.style.use('bmh')
# set up a HBoxLayout, set up an AddStrToListWidget, add it to the layout
layout = QtGui.QHBoxLayout(self)
self.ticker_widget = AddStrToListWidget(parent_method=self.updateAxes,
title='Ticker Symbols', text0='Enter Stock Ticker', unique=True,
Nlimit=5, upper=True)
layout.addWidget(self.ticker_widget)
# define a figure, canvas on the figure, and nav-bar on the canvas
self.figure = plt.figure()
canvas = FigureCanvas(self.figure)
navbar = NavigationToolbar(canvas, self)
# set up a VBoxLayout on the HBoxLayout for the canvas and nav-bar
fig_layout = QtGui.QVBoxLayout()
layout.addLayout(fig_layout)
# add the nav-bar then the canvas to fig_layout
fig_layout.addWidget(navbar)
fig_layout.addWidget(canvas)
# create an HBoxLayout, add to fig_layout
dates_layout = QtGui.QHBoxLayout()
fig_layout.addLayout(dates_layout)
# get today and today-30days in self.format, initialize QLineEdits
# for text entry, create a QCheckBox for scaling data
today = datetime.date.today()
today_minus30 = today - datetime.timedelta(days=365)
self.start_edit = QtGui.QLineEdit(today_minus30.strftime(self.format))
self.end_edit = QtGui.QLineEdit(today.strftime(self.format))
self.scale_box = QtGui.QCheckBox()
# add QLineEdits to dates_layout, with QLabels, wire the date boxes
# and the scale check-box to the dateChanged method
dates_layout.addWidget(QtGui.QLabel('Start Date:'))
dates_layout.addWidget(self.start_edit)
dates_layout.addWidget(QtGui.QLabel('End Date:'))
dates_layout.addWidget(self.end_edit)
dates_layout.addWidget(QtGui.QLabel('Scale by %'))
dates_layout.addWidget(self.scale_box)
self.start_edit.editingFinished.connect(self.dateChanged)
self.end_edit.editingFinished.connect(self.dateChanged)
self.scale_box.stateChanged.connect(self.dateChanged)
def __init__(self):
""" initialize method """
# define the inheritance, initialize class data
super().__init__()
self.dir0 = os.path.expanduser('~') # default data directory
self.sname = '' # default data filename
self.format = '%d %B %Y' # default date format
self.origin = None # current flight origin
plt.style.use('bmh')
# set the list of supported flight metrics
self.supported_metrics = ['Sale Total, USD', 'Number of Layovers',
'Total Flight Duration, Hours', 'Hours In Air', 'Hours In Layover']
# set the number of flights to search for each flight combination
# cannot exceed 500 by rules of the QPX API
self.n_flights = 100
# resize, center, set window title and icon
self.resize(900, 500)
self.setWindowTitle('Basic Flight Gui v0.00')
self.setWindowIcon(QtGui.QIcon('wolf.png'))
center(self)
# add tab panels
self.sPanel = QtGui.QWidget()
self.addTab(self.sPanel, 'Flight &Selection')
self.rPanel = QtGui.QWidget()
self.addTab(self.rPanel, 'Flight &Results')
self.currentChanged.connect(self.misc_action)
# set up a VBoxLayout on the selection panel, and an HBoxLayout on it
main_layout = QtGui.QVBoxLayout(self.sPanel)
items_layout = QtGui.QHBoxLayout()
main_layout.addLayout(items_layout)
# set up 3 AddStrToListWidget's on items_layout
self.origin_widget = AddStrToListWidget(parent_method=self.misc_action,
title='Origin Airport Codes', text0='Enter 3-Letter Code', unique=True,
isDate=False, Nexact=3, upper=True)
items_layout.addWidget(self.origin_widget)
self.dest_widget = AddStrToListWidget(parent_method=self.misc_action,
title='Destination Airport Codes', text0='Enter 3-Letter Code', unique=True,
isDate=False, Nexact=3, upper=True)
items_layout.addWidget(self.dest_widget)
self.dates_widget = AddStrToListWidget(parent_method=self.misc_action,
title='Flight Dates', text0='Enter Flight Date',
isDate=True, unique=True, format=self.format)
items_layout.addWidget(self.dates_widget)
# store names for the three AddStrToListWidgets in class data
self.widget_list = ['origin_widget', 'dest_widget', 'dates_widget']
# create another HBoxLayout for misc. gui elements, add to main_layout
misc_layout = QtGui.QHBoxLayout()
main_layout.addLayout(misc_layout)
# create widgets for displaying nFlights, load/save search data
self.n_display = QtGui.QLabel()
self.clear_button = QtGui.QPushButton('&Clear Search')
self.load_button = QtGui.QPushButton('&Load Search')
self.save_button = QtGui.QPushButton('Sa&ve Search')
self.flight_button = QtGui.QPushButton('Search Flights')
# add all pushbuttons to the gui and set actions
misc_layout.addWidget(self.n_display)
misc_layout.addWidget(self.clear_button)
misc_layout.addWidget(self.load_button)
misc_layout.addWidget(self.save_button)
misc_layout.addWidget(self.flight_button)
misc_layout.setSpacing(10)
self.clear_button.clicked.connect(self.clear_action)
self.load_button.clicked.connect(self.load_action)
self.save_button.clicked.connect(self.save_action)
self.flight_button.clicked.connect(self.flight_action)
# set initial gui visibilities, set initial flight counter text
self.quik_vis(results=False, clear=False, save=False, flights=False)
self.count_flights()
# set up flight results panel with a HBoxLayout
results_layout = QtGui.QHBoxLayout(self.rPanel)
# create a VBoxLayout with 350 bottom margin, add to results_layout
setup_layout = QtGui.QVBoxLayout()
#setup_layout.setContentsMargins(0, 0, 0, 350)
results_layout.addLayout(setup_layout)
# add the matplotlib canvas to results_layout
self.figure = plt.figure()
self.canvas = FigureCanvas(self.figure)
results_layout.addWidget(self.canvas)
# add a drop-down menu for selecting flight origin, wire to init_results
setup_layout.addWidget(QtGui.QLabel('Flight Origin'))
self.origin_combo = QtGui.QComboBox()
setup_layout.addWidget(self.origin_combo)
self.origin_combo.currentIndexChanged.connect(self.init_results)
# add a drop-down menu for selecting flight metric, wire to init_results
setup_layout.addWidget(QtGui.QLabel('Flight Metric'))
self.metric_combo = QtGui.QComboBox()
[self.metric_combo.addItem(x) for x in self.supported_metrics]
setup_layout.addWidget(self.metric_combo)
self.metric_combo.currentIndexChanged.connect(self.init_results)
# add radio buttons for switching between 1 and n flights
radio_group = QtGui.QGroupBox()
radio_layout = QtGui.QVBoxLayout()
radio_group.setLayout(radio_layout)
self.radio_button_1 = QtGui.QRadioButton(
'Show Least Expensive Flight\nper Destination per Day')
self.radio_button_1.setChecked(True)
self.radio_button_n = QtGui.QRadioButton('...')
radio_layout.addWidget(self.radio_button_1)
radio_layout.addWidget(self.radio_button_n)
self.flight_slider = QtGui.QSlider(QtCore.Qt.Horizontal)
self.flight_slider.setEnabled(False)
radio_layout.addWidget(self.flight_slider)
radio_layout.setSpacing(10)
setup_layout.addWidget(radio_group)
# add radio buttons for additional filtering
filter_group = QtGui.QGroupBox('Filter By Additional Flight Metrics')
filter_group.setCheckable(True)
filter_group.setChecked(False)
filter_layout = QtGui.QVBoxLayout()
filter_group.setLayout(filter_layout)
filter_layout.addWidget(QtGui.QLabel('Layovers, 0 to ...'))
filter_layout.addWidget(QtGui.QSlider(QtCore.Qt.Horizontal))
filter_layout.addWidget(QtGui.QLabel('Total Flight Hrs, 0 to ...'))
filter_layout.addWidget(QtGui.QSlider(QtCore.Qt.Horizontal))
filter_layout.addWidget(QtGui.QLabel('Total Hrs in Layover, 0 to ...'))
filter_layout.addWidget(QtGui.QSlider(QtCore.Qt.Horizontal))
filter_layout.setSpacing(10)
setup_layout.addWidget(filter_group)