def setup(self):
"""Setup and start the application"""
# Connect some slots
# Icon is clicked
self.connect(self.trayIcon, \
SIGNAL('activated(QSystemTrayIcon::ActivationReason)'), \
self.trayIconClicked)
# Connnect slot emitted from CnfigureDialog to update preferences
self.connect(self.configureDialog, SIGNAL('ConfigureDialogOk'), \
self.saveConfig)
# Set an initial icon for tray and weather dialog
self.setTrayIcon(QIcon('images/22/dunno.png'))
self.weatherDialog.labelIcon.setPixmap(QPixmap('images/64/dunno.png'))
# Set the menu
self.trayIcon.setContextMenu(self.createMenu())
# Setup the config dialog with values loaded from config
woeid = self.config.get('main', 'woeid')
# If woeid is not valid set a default and use that
try:
self.configureDialog.setWoeid(woeid)
except ValueError as ve:
self.config.set('main', 'woeid', '2408842')
self.configureDialog.setWoeid('2408842')
# Set temperature units
if self.config.get('units', 'temperature') == 'fahrenheit':
self.configureDialog.setTemperature('fahrenheit')
else:
self.configureDialog.setTemperature('celcius')
# Set distance units
if self.config.get('units', 'distance') == 'km':
self.configureDialog.setDistance('km')
else:
self.configureDialog.setDistance('mi')
# Set wind units
if self.config.get('units', 'wind') == 'kph':
self.configureDialog.setWind('kph')
else:
self.configureDialog.setWind('mph')
# Set pressure units
if self.config.get('units', 'pressure') == 'mb':
self.configureDialog.setPressure('mb')
else:
self.configureDialog.setPressure('in')
# Start getWeather thread with Id from config
# Connect two slots for the two signals emitted from thread
self.getWeatherThread = GetWeatherQThread(self.config.get( \
'main', 'woeid'))
self.getWeatherThread.start()
self.connect(self.getWeatherThread, SIGNAL('WeatherUpdate'), \
self.processWeather)
self.connect(self.getWeatherThread, SIGNAL('WeatherReadError'), \
self.showErrorMessage)
class PigeonFeather(QMainWindow):
"""Main class for the application, inherits class genrated from pyuic"""
def __init__(self, parent=None):
super(PigeonFeather, self).__init__(parent)
# Check that environment supports systemtray
if not QSystemTrayIcon.isSystemTrayAvailable():
print('FATAL: There is no system tray')
sys.exit(1)
# Make sure that we can load an icon list
try:
with open('code2iconlist.pkl', 'rb') as iconList:
self.codeToIconList = pickle.load(iconList)
except (IOError, pickle.PickleError):
print('FATAL: Could not not load code2iconlist')
sys.exit(1)
# See if balloon messages are supported
#print('Desktop support balloon messages = ' + \
# str(QSystemTrayIcon.supportsMessages()))
# Set the user config fle
self.USER_CONFIG = os.path.expanduser('~/.pigeonfeather')
# Load preferences
self.loadConfig()
# Class properties
self.trayIcon = QSystemTrayIcon(self)
# Weather Dialog and Configure Dialog
self.weatherDialog = WeatherDialog(self)
self.configureDialog = ConfigureDialog(self)
# Set up the application
self.setup()
def setup(self):
"""Setup and start the application"""
# Connect some slots
# Icon is clicked
self.connect(self.trayIcon, \
SIGNAL('activated(QSystemTrayIcon::ActivationReason)'), \
self.trayIconClicked)
# Connnect slot emitted from CnfigureDialog to update preferences
self.connect(self.configureDialog, SIGNAL('ConfigureDialogOk'), \
self.saveConfig)
# Set an initial icon for tray and weather dialog
self.setTrayIcon(QIcon('images/22/dunno.png'))
self.weatherDialog.labelIcon.setPixmap(QPixmap('images/64/dunno.png'))
# Set the menu
self.trayIcon.setContextMenu(self.createMenu())
# Setup the config dialog with values loaded from config
woeid = self.config.get('main', 'woeid')
# If woeid is not valid set a default and use that
try:
self.configureDialog.setWoeid(woeid)
except ValueError as ve:
self.config.set('main', 'woeid', '2408842')
self.configureDialog.setWoeid('2408842')
# Set temperature units
if self.config.get('units', 'temperature') == 'fahrenheit':
self.configureDialog.setTemperature('fahrenheit')
else:
self.configureDialog.setTemperature('celcius')
# Set distance units
if self.config.get('units', 'distance') == 'km':
self.configureDialog.setDistance('km')
else:
self.configureDialog.setDistance('mi')
# Set wind units
if self.config.get('units', 'wind') == 'kph':
self.configureDialog.setWind('kph')
else:
self.configureDialog.setWind('mph')
# Set pressure units
if self.config.get('units', 'pressure') == 'mb':
self.configureDialog.setPressure('mb')
else:
self.configureDialog.setPressure('in')
# Start getWeather thread with Id from config
# Connect two slots for the two signals emitted from thread
self.getWeatherThread = GetWeatherQThread(self.config.get( \
'main', 'woeid'))
self.getWeatherThread.start()
self.connect(self.getWeatherThread, SIGNAL('WeatherUpdate'), \
self.processWeather)
self.connect(self.getWeatherThread, SIGNAL('WeatherReadError'), \
self.showErrorMessage)
def loadConfig(self):
"""Load preferences from defaults then self.USER_CONFIG if exists"""
# Load a default set first
defaultConfig = io.StringIO("""\
[main]
Woeid=2408842
[units]
temperature=celcius
wind=mph
pressure=mb
distance=mi
""")
self.config = ConfigParser()
# Load defaults
self.config.readfp(defaultConfig)
# Load config if it exists
self.config.read(self.USER_CONFIG)
def createMenu(self):
"""Create and return the applications menu"""
menu = QMenu(self)
menu.addAction(QIcon('images/22/sunny.png'), '&Show Weather Report', \
self.showWeatherDialog)
menu.addAction(QIcon('images/22/configure.png'), '&Configure', \
self.showConfigureDialog)
menu.addAction(QIcon('images/22/help.png'), '&About', \
self.showAboutDialog)
menu.addAction(QIcon('images/22/exit.png'), '&Exit', self.quitApp)
return menu
def saveConfig(self, config):
"""Save the recieved config back to the config file and update the
local copy in the object
Keyword arguments:
config -- A dict. of config recieved from the configuration dialog
"""
# Set the local config object and try and save it
self.config.set('main', 'woeid', config['woeid'])
self.config.set('units', 'temperature', config['temperature'])
self.config.set('units', 'wind', config['wind'])
self.config.set('units', 'pressure', config['pressure'])
self.config.set('units', 'distance', config['distance'])
# Update the Weoid in the get weather thread
self.getWeatherThread.setWoeid(config['woeid'])
# Try and save the config
try:
with open(self.USER_CONFIG, 'wb') as configfile:
self.config.write(configfile)
except IOError as ioe:
self.showErrorMessage('Could not save configuration settings' + \
'to disk')
def showErrorMessage(self, message):
"""Show a error as a tray balloon message
Keyword arguments:
message -- Error message to display
"""
self.trayIcon.showMessage('Application Error', message, \
QSystemTrayIcon.Critical)
def trayIconClicked(self, reason):
"""If the tray icon is left clicked, show/hide the weather dialog
If this is called on a Darwin(mac) machine do not pop up. This follows
better mac convention
Keyword arguments:
reason -- A QSystemTrayIcon.ActivationReason enum
"""
# If mac then ignore click
if platform.system() == 'Darwin':
return
# Test for left click
if reason == 3:
if self.weatherDialog.isVisible():
self.weatherDialog.hide()
else:
self.weatherDialog.show()
def showWeatherDialog(self):
"""Show the weather report dialog"""
self.weatherDialog.show()
def showConfigureDialog(self):
"""Show the configure dialog"""
self.configureDialog.show()
def showAboutDialog(self):
"""Show the about pyqtweather dialog"""
QMessageBox.about(None, 'About Pigeon Feather', 'Pigeon Feather\n \
(c) 2010 Ben Sampson\nPigeon Feather uses the Yahoo! Weather API\n\
License: GNU General Public License Version 3')
def processWeather(self, weather):
"""Slot that is called by the weather thread, responsible for updating
the GUI with the new weather data, this includes the trayicon and
tooltip and the weather report dialog
Keyword arguments:
weather -- map of weather data
"""
# TODO These should really call setter methods on weather dialog
# Copy weather to local vars basd on preferences
fetched = weather['fetched']
code = weather['code']
if self.config.get('units', 'temperature') == 'celcius':
temp = weather['tempC']
chill = weather['chillC']
tempUnit = 'C'
else:
temp = weather['tempF']
chill = weather['chillF']
tempUnit = 'F'
text = weather['text']
city = weather['city']
region = weather['region']
country = weather['country']
sunrise = weather['sunrise']
sunset = weather['sunset']
if self.config.get('units', 'wind') == 'mph':
windSpeed = weather['windSpeedMph']
speedUnit = 'mph'
else:
windSpeed = weather['windSpeedKph']
speedUnit = 'kph'
if self.config.get('units', 'pressure') == 'mb':
pressure = weather['pressureMb']
pressureUnit = 'mb'
else:
pressure = weather['pressureIn']
pressureUnit = 'in'
directionTextual = weather['directionTextual']
pressureTendancy = weather['pressureTendancy']
humidity = weather['humidity']
if self.config.get('units', 'distance') == 'mi':
visibility = weather['visibilityMi']
distanceUnit = 'mi'
else:
visibility = weather['visibilityKm']
distanceUnit = 'km'
# Get the filename for the icon to disply from the icon list map
# Generate the system tray icon and set it
iconFileName = self.codeToIconList[int(code)][1]
icon = self.createWeatherIcon('images/22/' + iconFileName, str(temp))
self.setTrayIcon(icon)
# Set the tool tip
tempString = str(temp) + '°' + tempUnit + ' ' + text
self.trayIcon.setToolTip(tempString)
# Update the weather report dialog
self.weatherDialog.labelLastUpdate.setText( \
fetched.strftime('%H:%M:%S'))
self.weatherDialog.setWindowTitle('Weather report for ' + city + \
', ' + region + ' ' + country)
self.weatherDialog.labelTemp.setText(tempString)
self.weatherDialog.labelSunrise.setText(sunrise)
self.weatherDialog.labelSunset.setText(sunset)
self.weatherDialog.labelWindChill.setText(str(chill) + \
'°' + tempUnit)
self.weatherDialog.labelWindSpeed.setText(str(windSpeed) + ' ' + \
speedUnit)
self.weatherDialog.labelWindDirection.setText(directionTextual)
self.weatherDialog.labelHumidity.setText(str(humidity) + '%')
self.weatherDialog.labelVisibility.setText(str(visibility) + ' ' + \
distanceUnit)
self.weatherDialog.labelPressure.setText(str(pressure) + ' ' + \
pressureUnit)
self.weatherDialog.labelRising.setText(pressureTendancy)
# Set the image
self.weatherDialog.labelIcon.setPixmap(QPixmap('images/64/' + \
iconFileName))
# TODO - this should really be in another class
def createWeatherIcon(self, iconFileName, temp):
"""Create the icon to display in the tray"""
# Create a map of what image to use based on code
# Start by creating a transparent image to paint on
print(('Using' + iconFileName))
icon = QPixmap(22, 22)
icon.fill(Qt.transparent)
# Create a painter to paint on to the icon and draw on the text
painter = QPainter(icon)
painter.setOpacity(0.5)
# Draw text of temperature
font = QFont('Times', 10, QFont.Black)
painter.setFont(font)
painter.setPen(QColor('red'))
painter.drawPixmap(QPoint(0, 0), QPixmap(iconFileName))
painter.setOpacity(1)
painter.drawText(5, 15, temp)
painter.end()
# Return the icon
return QIcon(icon)
def setTrayIcon(self, icon):
"""Set the tray icon"""
self.trayIcon.setIcon(icon)
self.trayIcon.show()
def quitApp(self):
"""Exit the application"""
sys.exit(0)
