293 lines
12 KiB
Python
293 lines
12 KiB
Python
import PySimpleGUI as sg
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import datetime
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import base64
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from urllib import request
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import json
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import sys
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import webbrowser
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"""
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A Current Weather Widget
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Adapted from the weather widget originally created and published by Israel Dryer that you'll find here:
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https://github.com/israel-dryer/Weather-App
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BIG THANKS goes out for creating a good starting point for other widgets to be build from.
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A true "Template" is being developed that is a little more abstracted to make creating your own
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widgets easy. Things like the settings window is being standardized, the settings file format too.
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You will need a key (APPID) from OpenWeathermap.org in order to run this widget. It's free, it's easy:
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https://home.openweathermap.org/
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Your initial location is determined using your IP address and will be used if no settings file is found
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This widget is an early version of a PSG Widget so it may not share the same names / constructs as the templates.
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Copyright 2020 PySimpleGUI - www.PySimpleGUI.com
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"""
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SETTINGS_PATH = None # use the default settings path (OS settings foloder)
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API_KEY = '' # Set using the "Settings" window and saved in your config file
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sg.theme('Light Green 6')
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ALPHA = 0.8
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BG_COLOR = sg.theme_text_color()
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TXT_COLOR = sg.theme_background_color()
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APP_DATA = {
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'City': 'New York',
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'Country': 'US',
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'Postal': 10001,
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'Description': 'clear skys',
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'Temp': 101.0,
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'Feels Like': 72.0,
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'Wind': 0.0,
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'Humidity': 0,
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'Precip 1hr': 0.0,
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'Pressure': 0,
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'Updated': 'Not yet updated',
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'Icon': None,
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'Units': 'Imperial'
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}
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def load_settings():
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global API_KEY
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settings = sg.UserSettings(path=SETTINGS_PATH)
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API_KEY = settings['-api key-']
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if not API_KEY:
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sg.popup_quick_message('No valid API key found... opening setup window...', keep_on_top=True, background_color='red', text_color='white', auto_close_duration=3, non_blocking=False, location=win_location)
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change_settings(settings)
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return settings
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def change_settings(settings, window_location=(None, None)):
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global APP_DATA, API_KEY
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try:
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nearest_postal = json.loads(request.urlopen('http://ipapi.co/json').read())['postal']
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except Exception as e:
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print('Error getting nearest postal', e)
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nearest_postal = ''
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layout = [[sg.T('Enter Zipcode or City for your location')],
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[sg.I(settings.get('-location-', nearest_postal), size=(15, 1), key='-LOCATION-')],
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[sg.I(settings.get('-api key-', ''), size=(32, 1), key='-API KEY-')],
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[sg.B('Ok', border_width=0, bind_return_key=True), sg.B('Register For a Key', border_width=0, k='-REGISTER-'), sg.B('Cancel', border_width=0)], ]
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window = sg.Window('Settings', layout, location=window_location, no_titlebar=True, keep_on_top=True, border_depth=0)
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event, values = window.read()
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window.close()
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if event == '-REGISTER-':
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sg.popup('Launching browser so you can signup for the "Current Weather" service from OpenWeatherMap.org to get a Free API Key', 'Click OK and your browser will open', r'Visit https://home.openweathermap.org/ for more information', location=window_location)
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# Register to get a free key
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webbrowser.open(r'https://home.openweathermap.org/users/sign_up')
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if event == 'Ok':
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user_location = settings['-location-'] = values['-LOCATION-']
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API_KEY = settings['-api key-'] = values['-API KEY-']
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else:
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API_KEY = settings['-api key-']
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user_location = settings['-location-']
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if user_location is not None:
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if user_location.isnumeric() and len(user_location) == 5 and user_location is not None:
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APP_DATA['Postal'] = user_location
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APP_DATA['City'] = ''
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else:
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APP_DATA['City'] = user_location
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APP_DATA['Postal'] = ''
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return settings
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def update_weather():
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if APP_DATA['City']:
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request_weather_data(create_endpoint(2))
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elif APP_DATA['Postal']:
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request_weather_data(create_endpoint(1))
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def create_endpoint(endpoint_type=0):
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""" Create the api request endpoint
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{0: default, 1: zipcode, 2: city_name}"""
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if endpoint_type == 1:
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try:
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endpoint = f"http://api.openweathermap.org/data/2.5/weather?zip={APP_DATA['Postal']},us&appid={API_KEY}&units={APP_DATA['Units']}"
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return endpoint
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except ConnectionError:
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return
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elif endpoint_type == 2:
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try:
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endpoint = f"http://api.openweathermap.org/data/2.5/weather?q={APP_DATA['City'].replace(' ', '%20')},us&APPID={API_KEY}&units={APP_DATA['Units']}"
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return endpoint
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except ConnectionError:
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return
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else:
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return
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def request_weather_data(endpoint):
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""" Send request for updated weather data """
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global APP_DATA
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if endpoint is None:
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sg.popup_error('Could not connect to api. endpoint is None', keep_on_top=True, location=win_location)
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return
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else:
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try:
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response = request.urlopen(endpoint)
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except request.HTTPError:
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sg.popup_error('ERROR Obtaining Weather Data',
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'Is your API Key set correctly?',
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API_KEY, keep_on_top=True, location=win_location)
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return
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if response.reason == 'OK':
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weather = json.loads(response.read())
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APP_DATA['City'] = weather['name'].title()
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APP_DATA['Description'] = weather['weather'][0]['description']
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APP_DATA['Temp'] = "{:,.0f}°F".format(weather['main']['temp'])
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APP_DATA['Humidity'] = "{:,d}%".format(weather['main']['humidity'])
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APP_DATA['Pressure'] = "{:,d} hPa".format(weather['main']['pressure'])
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APP_DATA['Feels Like'] = "{:,.0f}°F".format(weather['main']['feels_like'])
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APP_DATA['Wind'] = "{:,.1f} m/h".format(weather['wind']['speed'])
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APP_DATA['Precip 1hr'] = None if not weather.get('rain') else "{:2} mm".format(weather['rain']['1h'])
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APP_DATA['Updated'] = 'Updated: ' + datetime.datetime.now().strftime("%B %d %I:%M:%S %p")
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APP_DATA['Lon'] = weather['coord']['lon']
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APP_DATA['Lat'] = weather['coord']['lat']
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icon_url = "http://openweathermap.org/img/wn/{}@2x.png".format(weather['weather'][0]['icon'])
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APP_DATA['Icon'] = base64.b64encode(request.urlopen(icon_url).read())
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def metric_row(metric):
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""" Return a pair of labels for each metric """
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return [sg.Text(metric, font=('Arial', 10), pad=(15, 0), size=(9, 1)),
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sg.Text(APP_DATA[metric], font=('Arial', 10, 'bold'), pad=(0, 0), size=(9, 1), key=metric)]
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def create_window(win_location):
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""" Create the application window """
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col1 = sg.Column(
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[[sg.Text(APP_DATA['City'], font=('Arial Rounded MT Bold', 18), pad=((10, 0), (50, 0)), size=(18, 1), background_color=BG_COLOR, text_color=TXT_COLOR, key='City')],
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[sg.Text(APP_DATA['Description'], font=('Arial', 12), pad=(10, 0), background_color=BG_COLOR, text_color=TXT_COLOR, key='Description')]],
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background_color=BG_COLOR, key='COL1')
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col2 = sg.Column(
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[[sg.Text('×', font=('Arial Black', 16), pad=(0, 0), justification='right', background_color=BG_COLOR, text_color=TXT_COLOR, enable_events=True, key='-QUIT-')],
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[sg.Image(data=APP_DATA['Icon'], pad=((5, 10), (0, 0)), size=(100, 100), background_color=BG_COLOR, key='Icon')]],
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element_justification='center', background_color=BG_COLOR, key='COL2')
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col3 = sg.Column(
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[[sg.Text(APP_DATA['Updated'], font=('Arial', 8), background_color=BG_COLOR, text_color=TXT_COLOR, key='Updated')]],
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pad=(10, 5), element_justification='left', background_color=BG_COLOR, key='COL3')
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col4 = sg.Column(
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[[sg.Text('Settings', font=('Arial', 8, 'italic'), background_color=BG_COLOR, text_color=TXT_COLOR, enable_events=True, key='-CHANGE-'),
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sg.Text('Refresh', font=('Arial', 8, 'italic'), background_color=BG_COLOR, text_color=TXT_COLOR, enable_events=True, key='-REFRESH-')]],
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pad=(10, 5), element_justification='right', background_color=BG_COLOR, key='COL4')
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top_col = sg.Column([[col1, col2]], pad=(0, 0), background_color=BG_COLOR, key='TopCOL')
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bot_col = sg.Column([[col3, col4]], pad=(0, 0), background_color=BG_COLOR, key='BotCOL')
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lf_col = sg.Column(
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[[sg.Text(APP_DATA['Temp'], font=('Haettenschweiler', 90), pad=((10, 0), (0, 0)), justification='center', key='Temp')]],
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pad=(10, 0), element_justification='center', key='LfCOL')
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rt_col = sg.Column(
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[metric_row('Feels Like'), metric_row('Wind'), metric_row('Humidity'), metric_row('Precip 1hr'), metric_row('Pressure')],
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pad=((15, 0), (25, 5)), key='RtCOL')
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layout = [[top_col],
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[lf_col, rt_col],
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[bot_col],
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[sg.Text(f'{sg.ver} {sg.framework_version} {sys.version}', font=('Arial', 8), background_color=BG_COLOR, text_color=TXT_COLOR, pad=(0,0))]]
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window = sg.Window(layout=layout, title='Weather Widget', margins=(0, 0), finalize=True, location=win_location,
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element_justification='center', keep_on_top=True, no_titlebar=True, grab_anywhere=True, alpha_channel=ALPHA,
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right_click_menu=[[''], ['Edit Me', 'Versions', 'Exit',]], enable_close_attempted_event=True)
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for col in ['COL1', 'COL2', 'TopCOL', 'BotCOL', '-QUIT-']:
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window[col].expand(expand_y=True, expand_x=True)
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for col in ['COL3', 'COL4', 'LfCOL', 'RtCOL']:
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window[col].expand(expand_x=True)
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window['-CHANGE-'].set_cursor('hand2')
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window['-QUIT-'].set_cursor('hand2')
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window['-REFRESH-'].set_cursor('hand2')
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return window
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def update_metrics(window):
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""" Adjust the GUI to reflect the current weather metrics """
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metrics = ['City', 'Temp', 'Feels Like', 'Wind', 'Humidity', 'Precip 1hr',
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'Description', 'Icon', 'Pressure', 'Updated']
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for metric in metrics:
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if metric == 'Icon':
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window[metric].update(data=APP_DATA[metric])
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else:
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window[metric].update(APP_DATA[metric])
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def main(refresh_rate, win_location):
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""" The main program routine """
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refresh_in_milliseconds = refresh_rate * 60 * 1000
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# Load settings from config file. If none found will create one
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settings = load_settings()
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location = settings['-location-']
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if location is not None:
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if location.isnumeric() and len(location) == 5 and location is not None:
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APP_DATA['Postal'] = location
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APP_DATA['City'] = ''
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else:
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APP_DATA['City'] = location
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APP_DATA['Postal'] = ''
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update_weather()
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else:
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sg.popup_error('Having trouble with location. Your location: ', location)
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exit()
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window = create_window(win_location)
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while True: # Event Loop
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event, values = window.read(timeout=refresh_in_milliseconds)
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if event in (None, '-QUIT-', 'Exit', sg.WIN_CLOSE_ATTEMPTED_EVENT):
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sg.user_settings_set_entry('-win location-', window.current_location()) # The line of code to save the position before exiting
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break
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if event == '-CHANGE-':
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x, y = window.current_location()
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settings = change_settings(settings, (x + 200, y+50))
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elif event == '-REFRESH-':
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sg.popup_quick_message('Refreshing...', keep_on_top=True, background_color='red', text_color='white',
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auto_close_duration=3, non_blocking=False, location=(window.current_location()[0]+window.size[0]//2-30, window.current_location()[1]+window.size[1]//2-10))
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elif event == 'Edit Me':
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sg.execute_editor(__file__)
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elif event == 'Versions':
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sg.main_get_debug_data()
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elif event != sg.TIMEOUT_KEY:
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sg.Print('Unknown event received\nEvent & values:\n', event, values, location=win_location)
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update_weather()
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update_metrics(window)
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window.close()
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if __name__ == '__main__':
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if len(sys.argv) > 1:
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win_location = sys.argv[1].split(',')
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win_location = (int(win_location[0]), int(win_location[1]))
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else:
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win_location = sg.user_settings_get_entry('-win location-', (None, None))
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main(refresh_rate=1, win_location=win_location) |