app.py

import instaloader
import csv

class getInstagramProfile():
    def __init__(self) -> None:
        self.bot = instaloader.Instaloader()
    
    def download_users_profile_picture(self, username):
        self.bot.download_profile(username, profile_pic_only = True)
        
    def get_users_followers(self, username):
        '''Note: login required to get a profile's followers.'''
        self.bot.login(input("Input your username: "), input("Input your password: ") ) 
        profile = instaloader.Profile.from_username(self.bot.context, username)
        file = open("follower_names.txt", "a+")
        for follower in profile.get_followers():
            user_name = follower.username
            file.write(username + "\n")
            print(user_name)
    
    def get_users_followings(self, username):
        '''Note: login required to get a profile's followings.'''
        self.bot.login(input("Input your username: "), input("Input your password: ") ) 
        profile = instaloader.Profile.from_username(self.bot.context, username)
        file = open("following_names.txt", "a+")
        for followee in profile.get_followees():
            user_name = followee.username
            file.write(user_name + "\n")
            print(user_name)
            
    def get_post_info_csv(self, filename, username):
        '''Note: login required to get post details.'''
        self.bot.login(input("Input your username: "), input("Input your password: ") ) 
        with open(filename + '.csv', 'w', newline = '', encoding = 'utf-8') as file:
            writer = csv.writer(file)
            writer.writerow(["Post Caption", "Post Date", "Post URL", "Mentions in Caption", "Tagged Users"])
            posts = instaloader.Profile.from_username(self.bot.context, username).get_posts()
            for post in posts:
                location_match = ["san francisco", "california", "bay area"]
                major_match = ["computer science", "data science", "comp sci", "data sci"]
                if any(keyword in str(post.caption).lower() for keyword in location_match) and any (keyword in str(post.caption).lower() for keyword in major_match):
                    print("Post date: " + str(post.date))
                    print("Post profile: " + post.profile)
                    print("Post caption: " + post.caption)

                    posturl = "https://www.instagram.com/p/" + post.shortcode
                    print("Post url: " + posturl)
                    writer.writerow([post.caption, post.date, posturl, post.caption_mentions, post.tagged_users])
                    print("\n\n")
                    
if __name__ == '__main__':
    client = getInstagramProfile()
    username = input("Enter the username of the account: ")
    number = input("Enter 1 for downloading the profile pic of the account and 2 for scraping: ")
    if int(number) == 1:
         client.download_users_profile_picture(username)
    elif int(number) == 2:
        client.get_post_info_csv("user_info", username)
    else:
        print("Enter a valid number.")