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Python – Data visualization using covid19 India API

  • Difficulty Level : Medium
  • Last Updated : 06 Aug, 2021

API (Application Programming Interface) is a computing interface that interacts between multiple software. 

JSON (JavaScript Object Notation) is a lightweight format for storing and transporting data. It is used to send data from server to web.

Required modules: 

  • matplotlib
  • requests
  • pandas
  • json

Commands to install modules:

pip install matplotlib
pip install requests
pip install pandas

Steps:

  1. Importing all required modules.
  2. Calling API and getting JSON data.
  3. Getting the State Wise District Data.
  4. Visualization of data.

The below URL redirects you to API https://api.covid19india.org/state_district_wise.json

Importing all required modules

Python3




#importing modules
import json
import requests
import pandas as pd
import matplotlib.pyplot as plt
 
 
Function for getting JSON data from API and Visualization of Data
 
Python3



#storing the url in the form of string
url="https://api.covid19india.org/state_district_wise.json"
 
#function to get data from api
def casesData():
    #getting the json data by calling api
    data = ((requests.get(url)).json())
    states = []
 
 
Getting State Names available in JSON Data
 
Python3



# getting statewise data
for state in states:
        f = (data[state]['districtData'])
# states data available in JSON Data
'''
0 State Unassigned
1 Andaman and Nicobar Islands
2 Andhra Pradesh
3 Arunachal Pradesh
4 Assam
5 Bihar
6 Chandigarh
7 Chhattisgarh
8 Delhi
9 Dadra and Nagar Haveli and Daman and Diu
10 Goa
11 Gujarat
12 Himachal Pradesh
13 Haryana
14 Jharkhand
15 Jammu and Kashmir
16 Karnataka
17 Kerala
18 Ladakh
19 Lakshadweep
20 Maharashtra
21 Meghalaya
22 Manipur
23 Madhya Pradesh
24 Mizoram
25 Nagaland
26 Odisha
27 Punjab
28 Puducherry
29 Rajasthan
30 Sikkim
31 Telangana
32 Tamil Nadu
33 Tripura
34 Uttar Pradesh
35 Uttarakhand
36 West Bengal
'''
Getting the state-wise Data
Python3



# getting statewise data
for state in states:
    f = (data[state]['districtData'])
    tc = []
    dis = []
    act, con, dea, rec = 0, 0, 0, 0
 
    # getting districtwise data
    for key in (data[state]['districtData']).items():
        district = key[0]
        dis.append(district)
        active = data[state]['districtData'][district]['active']
        confirmed = data[state]['districtData'][district]['confirmed']
        deaths = data[state]['districtData'][district]['deceased']
        recovered = data[state]['districtData'][district]['recovered']
        if district == 'Unknown':
            active, confirmed, deaths, recovered = 0, 0, 0, 0
        tc.append([active, confirmed, deaths, recovered])
        act = act + active
        con = con + confirmed
        dea = dea + deaths
        rec = rec + recovered
    tc.append([act, con, dea, rec])
    dis.append('Total')
    parameters = ['Active', 'Confirmed', 'Deaths', 'Recovered']
Creating DataFrame Using pandas
Python3



# creating a dataframe
df = pd.DataFrame(tc, dis, parameters)
print('COVID - 19', state, 'District Wise Data')
print(df)
Data Visualization Using Matplotlib
Python3



# plotting of data
plt.bar(dis, df['Active'], width=0.5, align='center')
fig = plt.gcf()
fig.set_size_inches(18.5, 10.5)
plt.xticks(rotation=75)
plt.show()
print('*'*100)
Final casesData() function code
Python3



# function to get data from api
def casesData():
    # getting the json data by calling api
    data = ((requests.get(url)).json())
    states = []
 
    # getting states
    for key in data.items():
        states.append(key[0])
 
    # getting statewise data
    for state in states:
        f = (data[state]['districtData'])
        tc = []
        dis = []
        act, con, dea, rec = 0, 0, 0, 0
 
        # getting districtwise data
        for key in (data[state]['districtData']).items():
            district = key[0]
            dis.append(district)
            active = data[state]['districtData'][district]['active']
            confirmed = data[state]['districtData'][district]['confirmed']
            deaths = data[state]['districtData'][district]['deceased']
            recovered = data[state]['districtData'][district]['recovered']
            if district == 'Unknown':
                active, confirmed, deaths, recovered = 0, 0, 0, 0
            tc.append([active, confirmed, deaths, recovered])
            act = act + active
            con = con + confirmed
            dea = dea + deaths
            rec = rec + recovered
        tc.append([act, con, dea, rec])
        dis.append('Total')
        parameters = ['Active', 'Confirmed', 'Deaths', 'Recovered']
 
        # creating a dataframe
        df = pd.DataFrame(tc, dis, parameters)
        print('COVID - 19', state, 'District Wise Data')
        print(df)
 
        # plotting of data
        plt.bar(dis, df['Active'], width=0.5, align='center')
        fig = plt.gcf()
        fig.set_size_inches(18.5, 10.5)
        plt.xticks(rotation = 75)
        plt.show()
        print('*' * 100)
Final Implementation:
Python3



# importing modules
import json
import requests
import pandas as pd
import matplotlib.pyplot as plt
 
# storing the url in the form of string
url = "https://api.covid19india.org/state_district_wise.json"
 
# function to get data from api
 
 
def casesData():
    # getting the json data by calling api
    data = ((requests.get(url)).json())
    states = []
 
    # getting states
    for key in data.items():
        states.append(key[0])
 
    # getting statewise data
    for state in states:
        f = (data[state]['districtData'])
        tc = []
        dis = []
        act, con, dea, rec = 0, 0, 0, 0
 
        # getting districtwise data
        for key in (data[state]['districtData']).items():
            district = key[0]
            dis.append(district)
            active    = data[state]['districtData'][district]['active']
            confirmed = data[state]['districtData'][district]['confirmed']
            deaths    = data[state]['districtData'][district]['deceased']
            recovered = data[state]['districtData'][district]['recovered']
            if district == 'Unknown':
                active, confirmed, deaths, recovered = 0, 0, 0, 0
            tc.append([active, confirmed, deaths, recovered])
            act = act + active
            con = con + confirmed
            dea = dea + deaths
            rec = rec + recovered
        tc.append([act, con, dea, rec])
        dis.append('Total')
        parameters = ['Active', 'Confirmed', 'Deaths', 'Recovered']
 
        # creating a dataframe
        df = pd.DataFrame(tc, dis, parameters)
        print('COVID - 19', state, 'District Wise Data')
        print(df)
 
        # plotting of data
        plt.bar(dis, df['Active'], width = 0.5, align = 'center')
        fig = plt.gcf()
        fig.set_size_inches(18.5, 10.5)
        plt.xticks(rotation = 75)
        plt.show()
        print('*' * 100)
 
 
# states data available through API
'''
0 State Unassigned
1 Andaman and Nicobar Islands
2 Andhra Pradesh
3 Arunachal Pradesh
4 Assam
5 Bihar
6 Chandigarh
7 Chhattisgarh
8 Delhi
9 Dadra and Nagar Haveli and Daman and Diu
10 Goa
11 Gujarat
12 Himachal Pradesh
13 Haryana
14 Jharkhand
15 Jammu and Kashmir
16 Karnataka
17 Kerala
18 Ladakh
19 Lakshadweep
20 Maharashtra
21 Meghalaya
22 Manipur
23 Madhya Pradesh
24 Mizoram
25 Nagaland
26 Odisha
27 Punjab
28 Puducherry
29 Rajasthan
30 Sikkim
31 Telangana
32 Tamil Nadu
33 Tripura
34 Uttar Pradesh
35 Uttarakhand
36 West Bengal
'''
 
#Driver Code
casesData()
Output:
Image
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Article Contributed By :
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chintamanenishanmukhchowdary
@chintamanenishanmukhchowdary
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