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WeatherX.py
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WeatherX.py
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# importing Tkinter
import tkinter as tk
from tkinter import Menu
from tkinter import ttk # 'themed' tk
#Function
#------------------------
#Exit GUI Cleanly
def _quit():
win.quit() #win opened when this called
win.destroy()
exit()
#Create Instance
win = tk.Tk()
#Adding Title
win.title("WeatherX")
#Creating Menu Bar
menubar = Menu()
win.config(menu=menubar)
#Adding Menu Items
fileMenu = Menu (menubar, tearoff=0)
fileMenu.add_command(label="Exit", command=_quit) #commannd Callback
menubar.add_cascade(label="File", menu=fileMenu)
#--------------------------------------------------------------
# Tab Control/ Notebook introduced Here -----------------------
tabControl = ttk.Notebook(win)
tab1 = ttk.Frame(tabControl) #Create a tab
tabControl.add(tab1, text= "Open Weather") #Add the tab
tabControl.pack(expand=1, fill="both") #Pack to make Visible
#---------------------------------------------------------------
#Creating a Container Frame to hold all widgets
open_weather_cities_frame = ttk.LabelFrame(tab1, text=' Latest Observation for ')
open_weather_cities_frame.grid(column=0, row=0, padx=8, pady=4)
# Station City label
open_location = tk.StringVar()
ttk.Label(open_weather_cities_frame, textvariable=open_location).grid(column=0, row=1, columnspan=3)
# ---------------------------------------------------------------
# Adding a Label
ttk.Label(open_weather_cities_frame, text="City: ").grid(column=0, row=0)
#---------------------------------------------------------------
open_city = tk.StringVar()
open_city_combo = ttk.Combobox(open_weather_cities_frame, width=16, textvariable=open_city)
open_city_combo['values'] = ('New Delhi, IN', 'London, UK', 'Paris, FR', 'Mumbai, IN', 'Beijing, CN')
open_city_combo.grid(column=1, row=0)
open_city_combo.current(0) # highlight first city station id
#--------------------------------------------------------------
# increase combobox width to longest city
max_width= max([len(x) for x in open_city_combo['values']])
new_width= max_width
open_city_combo.config(width=new_width)
# ---------------------------------------------------------------
# ---------------------------------------------------------------
# callback function
def _get_station_open():
city = open_city_combo.get()
get_open_weather_data(city)
get_weather_btn = ttk.Button(open_weather_cities_frame,
text='Get Weather', command=_get_station_open).grid(column=2, row=0)
# ---------------------------------------------------------------
for child in open_weather_cities_frame.winfo_children():
child.grid_configure(padx=5, pady=2)
# We are creating a container frame to hold all other widgets
open_weather_conditions_frame = ttk.LabelFrame(tab1, text=' Current Weather Conditions ')
open_weather_conditions_frame.grid(column=0, row=1, padx=8, pady=4)
#================
ENTRY_WIDTH = 25
#================
# Adding Label & Textbox Entry widgets
#---------------------------------------------
ttk.Label(open_weather_conditions_frame, text="Last Updated:").grid(column=0, row=1, sticky='E') # <== right-align
open_updated = tk.StringVar()
open_updatedEntry = ttk.Entry(open_weather_conditions_frame, width=ENTRY_WIDTH, textvariable=open_updated, state='readonly')
open_updatedEntry.grid(column=1, row=1, sticky='W')
#---------------------------------------------
ttk.Label(open_weather_conditions_frame, text="Weather:").grid(column=0, row=2, sticky='E') # <== increment row for each
open_weather = tk.StringVar()
open_weatherEntry = ttk.Entry(open_weather_conditions_frame, width=ENTRY_WIDTH, textvariable=open_weather, state='readonly')
open_weatherEntry.grid(column=1, row=2, sticky='W') # <== increment row for each
#---------------------------------------------
ttk.Label(open_weather_conditions_frame, text="Temperature:").grid(column=0, row=3, sticky='E')
open_temp = tk.StringVar()
open_tempEntry = ttk.Entry(open_weather_conditions_frame, width=ENTRY_WIDTH, textvariable=open_temp, state='readonly')
open_tempEntry.grid(column=1, row=3, sticky='W')
#---------------------------------------------
ttk.Label(open_weather_conditions_frame, text="Relative Humidity:").grid(column=0, row=5, sticky='E')
open_rel_humi = tk.StringVar()
open_rel_humiEntry = ttk.Entry(open_weather_conditions_frame, width=ENTRY_WIDTH, textvariable=open_rel_humi, state='readonly')
open_rel_humiEntry.grid(column=1, row=5, sticky='W')
#---------------------------------------------
ttk.Label(open_weather_conditions_frame, text="Wind:").grid(column=0, row=6, sticky='E')
open_wind = tk.StringVar()
open_windEntry = ttk.Entry(open_weather_conditions_frame, width=ENTRY_WIDTH, textvariable=open_wind, state='readonly')
open_windEntry.grid(column=1, row=6, sticky='W')
#---------------------------------------------
ttk.Label(open_weather_conditions_frame, text="Visibility:").grid(column=0, row=7, sticky='E')
open_visi = tk.StringVar()
open_visiEntry = ttk.Entry(open_weather_conditions_frame, width=ENTRY_WIDTH, textvariable=open_visi, state='readonly')
open_visiEntry.grid(column=1, row=7, sticky='W')
#---------------------------------------------
ttk.Label(open_weather_conditions_frame, text="Pressure:").grid(column=0, row=8, sticky='E')
open_msl = tk.StringVar()
open_mslEntry = ttk.Entry(open_weather_conditions_frame, width=ENTRY_WIDTH, textvariable=open_msl, state='readonly')
open_mslEntry.grid(column=1, row=8, sticky='W')
#---------------------------------------------
ttk.Label(open_weather_conditions_frame, text="Sunrise:").grid(column=0, row=9, sticky='E')
sunrise = tk.StringVar()
sunriseEntry = ttk.Entry(open_weather_conditions_frame, width=ENTRY_WIDTH, textvariable=sunrise, state='readonly')
sunriseEntry.grid(column=1, row=9, sticky='E')
#---------------------------------------------
ttk.Label(open_weather_conditions_frame, text="Sunset:").grid(column=0, row=10, sticky='E')
sunset = tk.StringVar()
sunsetEntry = ttk.Entry(open_weather_conditions_frame, width=ENTRY_WIDTH, textvariable=sunset, state='readonly')
sunsetEntry.grid(column=1, row=10, sticky='E')
#---------------------------------------------
# Add some space around each widget
for child in open_weather_conditions_frame.winfo_children():
child.grid_configure(padx=4, pady=2)
# OpenWeatherMap Data Collection
from owm.api_key import OWM_API_KEY
from urllib.request import urlopen
import json
def get_open_weather_data(city='London,uk'):
city = city.replace(' ', '%20')
url = "http://api.openweathermap.org/data/2.5/weather?q={}&appid={}".format(city, OWM_API_KEY)
response = urlopen(url)
data = response.read().decode()
json_data = json.loads(data)
from pprint import pprint
pprint(json_data)
lastupdate_unix = json_data['dt']
humidity = json_data['main']['humidity']
pressure = json_data['main']['pressure']
temp_kelvin = json_data['main']['temp']
city_name = json_data['name']
city_country = json_data['sys']['country']
sunrise_unix = json_data['sys']['sunrise']
sunset_unix = json_data['sys']['sunset']
try:
visibility_meter = json_data['visibility']
except:
visibility_meter = 'N/A'
owm_weather = json_data['weather'][0]['description']
wind_deg = json_data['wind']['deg']
wind_speed_meter_sec = json_data['wind']['speed']
def kelvin_to_celsius(temp_k):
return "{:.1f}".format(temp_k - 273.15)
def kelvin_to_fahrenheit(temp_k):
return "{:.1f}".format((temp_k - 273.15) * 1.8000 + 32.00)
from datetime import datetime
def unix_to_datetime(unix_time):
return datetime.fromtimestamp(int(unix_time)
).strftime('%Y-%m-%d %H:%M:%S')
def meter_to_miles(meter):
return "{:.2f}".format((meter * 0.00062137))
if visibility_meter is 'N/A':
visibility_miles = 'N/A'
else:
visibility_miles = meter_to_miles(visibility_meter)
def mps_to_mph(meter_second):
return "{:.1f}".format((meter_second * (2.23693629)))
# -------------------------------------------------------
# Update GUI entry widgets with live data
open_location.set('{}, {}'.format(city_name, city_country))
lastupdate = unix_to_datetime(lastupdate_unix)
open_updated.set(lastupdate)
open_weather.set(owm_weather)
temp_fahr = kelvin_to_fahrenheit(temp_kelvin)
temp_cels = kelvin_to_celsius(temp_kelvin)
open_temp.set('{} \xb0F ({} \xb0C)'.format(temp_fahr, temp_cels))
open_rel_humi.set('{} %'.format(humidity))
wind_speed_mph = mps_to_mph(wind_speed_meter_sec)
open_wind.set('{} degrees at {} MPH'.format(wind_deg, wind_speed_mph))
open_visi.set('{} miles'.format(visibility_miles))
open_msl.set('{} hPa'.format(pressure))
sunrise_dt = unix_to_datetime(sunrise_unix)
sunrise.set(sunrise_dt)
sunset_dt = unix_to_datetime(sunset_unix)
sunset.set(sunset_dt)
# ======================
# Start GUI
win.mainloop()