Ola's Chatbot.py

import discord #imports discord library which i'll be needing functions from
import json #imports pythons json library which will help me to use commands to openjson files
import urllib.request #used for opening links for api's

from discord.ext import commands #used for commands that will be needed to communicate with the bot on python

##############Section in which the youtube video helped me to connect the bot to discord.###############
###############YouTube video link https://www.youtube.com/watch?v=2YO96GFBSLw ####################
Client = discord.Client() #connects discord to the python program
token ="NTExMzM2MjE3OTUwODE0MjA5.Dspdvg.X-1PT7UBuUsbF6ihpzh1rPbOYCs" #serves as a login for the bot
client = commands.Bot(command_prefix = "!") #whatever prefix chosen is used to run the functions made
########################################################################################################

@client.event #on the event that the client does something run this function
async def on_ready(): #when the client is ready run this command
    print("Type !test Commands  into the discord client to get started.")

@client.command() #when the command prefix is pressed and function name is entered it runs this code section
async def test(msg):
    if msg == "Commands": #if Commands is typed after the command test then welcome messaages are run
        welcomeMsg1 = "Hello, welcome to my Chatbot. This bot can help you to find the weather for any city!"
        welcomeMsg2 = "Please remember that all city names should be in lowercase!"
        welcomeMsg3 = "The commands for the bot are as follows;"
        welcomeMsg4 = "Type !Temp (City name in lowercase) for the temperature in the city."
        welcomeMsg5 = "Type !cityMin (City name in lowercase) for the lowest temperature for the day."
        welcomeMsg6 = "Type !cityMax (City name in lowercase) for the highest temperature for the day."
        welcomeMsg7 = "Type !forecast (City name in lowercase) for the worded forecast for the day in the city."
        await client.say(welcomeMsg1)
        await client.say(welcomeMsg2)
        await client.say(welcomeMsg3)
        await client.say(welcomeMsg4)
        await client.say(welcomeMsg5)
        await client.say(welcomeMsg6)
        await client.say(welcomeMsg7)
    else:
        await client.say(msg) #if user input is not Commands re run the function

@client.command()
async def forecast(msg): #when the commands prefix is followed by forecast and the city this function is run
    cityName = msg #the user input is saved as the city name
    stateP1 = locationIdFind(cityName) #the city name is sent to another function to find the location id and is returned
    if stateP1 == "Please enter a valid city name!":
        await client.say("Please enter a valid city name!")
    else:
        stateP2 = weatherState(stateP1) #location id is sent into another function and returned is the forecast
        completedStatement = "The weather forecast in " + msg + " shows " + stateP2 + "'s ." #forms sentence
        await client.say(completedStatement) #send full statement to be output on discord

@client.command()
async def cityMax(msg):
    cityName = msg
    stateP1 = locationIdFind(cityName)
    if stateP1 == "Please enter a valid city name!":
        await client.say("Please enter a valid city name!")
    else:
        stateP2 = maxTemp(stateP1)
        completedStatement = "The highest possible temperature in " + msg + " will be " + str(stateP2) + "°c"
        await client.say(completedStatement)

@client.command()
async def cityMin(msg):
    cityName = msg
    stateP1 = locationIdFind(cityName)
    if stateP1 == "Please enter a valid city name!":
        await client.say("Please enter a valid city name!")
    else:
        stateP2 = minTemp(stateP1)
        completedStatement = "The lowest possible temperature in " + msg + " will be " + str(stateP2) + "°c"
        await client.say(completedStatement)

@client.command()
async def Temp(msg):
    cityName = msg
    stateP1 = locationIdFind(cityName)
    if stateP1 == "Please enter a valid city name!":
        await client.say("Please enter a valid city name!")
    else:
        stateP2 = theTemp(stateP1)
        completedStatement = "The temperature in " + msg + " is " + str(stateP2) + "°c"
        await client.say(completedStatement)

##########Example of how i learnt and adapted the code from the video i watched##############
##################YouTube video link https://www.youtube.com/watch?v=19-LOqdI61k&t=130s##################
def locationIdFind(input): #this function gets the location id of all the cities the user asks information for and returns it
    try:
        url1 = "https://www.metaweather.com/api/location/search/?query="
        city = input #the city which location id is needed
        search_final = url1 + city #concatanates url with user input
        search_data = urllib.request.urlopen(search_final).read() #uses methods from imported library to open link
        dictJson = str(search_data, 'utf-8') #saves the information in the link as a readable json file
        data1 = json.loads(dictJson) #opens json file dictionary
        var2 = (data1[0]["woeid"]) #traverses disctionary looking for the key queried
        return var2 #returns value at the key queried
    except:
        errorMsg = "Please enter a valid city name!"
        return errorMsg
##############################################################################################

def weatherState(locatId): #uses the location id to search through json dictionary to find the weather forecast
    if msg == "Please enter a valid city name!":
        newMsg = "Please enter a valid city name!"
        return newMsg
    else:
        url2 = "https://www.metaweather.com/api/location/" #the url need to find info on a location
        strVar2 = str(locatId) #gets the location id and changes it from int to string
        fullUrl2 = url2 + strVar2 + "/" #concatanates to form url
        search_data2 = urllib.request.urlopen(fullUrl2).read() #opens link
        dictJson = str(search_data2, 'utf-8') #saves json file in a readable format
        data2 = json.loads(dictJson) #opens dictionary
        var3 = (data2["consolidated_weather"][0]) #traverses dictionary using keys
        var4 = (var3["weather_state_name"]) #uses a specific key to find the value for the query needed
        return var4 #returns saved value

def maxTemp(locatId): #uses location id to find the maximum temperature for that location
    if msg == "Please enter a valid city name!":
        newMsg = "Please enter a valid city name!"
        return newMsg
    else:
        url2 = "https://www.metaweather.com/api/location/"
        strVar2 = str(locatId)
        fullUrl2 = url2 + strVar2 + "/"
        search_data2 = urllib.request.urlopen(fullUrl2).read()
        dictJson = str(search_data2, 'utf-8')
        data2 = json.loads(dictJson)
        var3 = (data2["consolidated_weather"][0])
        var5 = (var3["max_temp"])
        roundvar5 = round(var5, 2)
        return roundvar5


def minTemp(locatId): #uses the location id to find the minimum temperature for that location
    if msg == "Please enter a valid city name!":
        newMsg = "Please enter a valid city name!"
        return newMsg
    else:
        url2 = "https://www.metaweather.com/api/location/"
        strVar2 = str(locatId)
        fullUrl2 = url2 + strVar2 + "/"
        search_data2 = urllib.request.urlopen(fullUrl2).read()
        dictJson = str(search_data2, 'utf-8')
        data2 = json.loads(dictJson)
        var3 = (data2["consolidated_weather"][0])
        var6 = (var3["min_temp"])
        roundvar6 = round(var6, 2)
        return roundvar6

def theTemp(locatId): #uses the location id to find the temperature at a location
    if msg == "Please enter a valid city name!":
        newMsg = "Please enter a valid city name!"
        return newMsg
    else:
        url2 = "https://www.metaweather.com/api/location/"
        strVar2 = str(locatId)
        fullUrl2 = url2 + strVar2 + "/"
        search_data2 = urllib.request.urlopen(fullUrl2).read()
        dictJson = str(search_data2, 'utf-8')
        data2 = json.loads(dictJson)
        var3 = (data2["consolidated_weather"][0])
        var7 = (var3["the_temp"])
        roundvar7 = round(var7, 2)
        return roundvar7


client.run(token) #uses the login/token to run the client