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bing_streamlit
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import pandas as pd | |
from bs4 import BeautifulSoup | |
import requests as r | |
import streamlit as st | |
st.markdown('<h1 style="background-color: gainsboro; padding-left: 10px; padding-bottom: 20px;">Search Engine Scraper</h1>', unsafe_allow_html=True) | |
query = st.text_input('', help='Enter the search string and hit Enter/Return') | |
query = query.replace(" ", "+") #replacing the spaces in query result with + | |
if query: #Activates the code below on hitting Enter/Return in the search textbox | |
try:#Exception handling | |
req = r.get(f"https://www.bing.com/search?q={query}", | |
headers = {"user-agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36"}) | |
result_str = '<html><table style="border: none;">' #Initializing the HTML code for displaying search results | |
if req.status_code == 200: #Status code 200 indicates a successful request | |
bs = BeautifulSoup(req.content, features="html.parser") #converting the content/text returned by request to a BeautifulSoup object | |
search_result = bs.find_all("li", class_="b_algo") #'b_algo' is the class of the list object which represents a single result | |
search_result = [str(i).replace("<strong>","") for i in search_result] #removing the <strong> tag | |
search_result = [str(i).replace("</strong>","") for i in search_result] #removing the </strong> tag | |
result_df = pd.DataFrame() #Initializing the data frame that stores the results | |
for n,i in enumerate(search_result): #iterating through the search results | |
individual_search_result = BeautifulSoup(i, features="html.parser") #converting individual search result into a BeautifulSoup object | |
h2 = individual_search_result.find('h2') #Finding the title of the individual search result | |
href = h2.find('a').get('href') #title's URL of the individual search result | |
cite = f'{href[:50]}...' if len(href) >= 50 else href # cite with first 20 chars of the URL | |
url_txt = h2.find('a').text #title's text of the individual search result | |
#In a few cases few individual search results doesn't have a description. In such cases the description would be blank | |
description = "" if individual_search_result.find('p') is None else individual_search_result.find('p').text | |
#Appending the result data frame after processing each individual search result | |
result_df = result_df.append(pd.DataFrame({"Title": url_txt, "URL": href, "Description": description}, index=[n])) | |
count_str = f'<b style="font-size:20px;">Bing Search returned {len(result_df)} results</b>' | |
######################################################## | |
######### HTML code to display search results ########## | |
######################################################## | |
result_str += f'<tr style="border: none;"><h3><a href="{href}" target="_blank">{url_txt}</a></h3></tr>'+\ | |
f'<tr style="border: none;"><strong style="color:green;">{cite}</strong></tr>'+\ | |
f'<tr style="border: none;">{description}</tr>'+\ | |
f'<tr style="border: none;"><td style="border: none;"></td></tr>' | |
result_str += '</table></html>' | |
#if the status code of the request isn't 200, then an error message is displayed along with an empty data frame | |
else: | |
result_df = pd.DataFrame({"Title": "", "URL": "", "Description": ""}, index=[0]) | |
result_str = '<html></html>' | |
count_str = '<b style="font-size:20px;">Looks like an error!!</b>' | |
#if an exception is raised, then an error message is displayed along with an empty data frame | |
except: | |
result_df = pd.DataFrame({"Title": "", "URL": "", "Description": ""}, index=[0]) | |
result_str = '<html></html>' | |
count_str = '<b style="font-size:20px;">Looks like an error!!</b>' | |
st.markdown(f'{count_str}', unsafe_allow_html=True) | |
st.markdown(f'{result_str}', unsafe_allow_html=True) | |
st.markdown('<h3>Data Frame of the above search result</h3>', unsafe_allow_html=True) | |
st.dataframe(result_df) |
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