Notes

import asyncio
import aiohttp
from typing import List
from os import system

def open_file() -> List[str]:
with open('usernames.txt', 'r', encoding='UTF-8') as f:
file_contents = [line.strip('n') for line in f]

return file_contents

def write_file(arg: str) -> None:
with open('hits.txt', 'a', encoding='UTF-8') as f:
f.write(f'{arg}n')

class Checker:
HEADERS = {'user-agent': 'Mozilla/5.0 (Linux; Android 12; SM-M215F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.40 Mobile Safari/537.36'}
def __init__(self, usernames: List[str]):
self.to_check = usernames
#self.count = 0

async def _check(self, session: aiohttp.ClientSession, username: str) -> None:
async with session.get('https://www.instagram.com/%s' % username) as response:
try:
r = await response.text()

if response.status == 404:
print('%s[AVAILABLE] https://www.instagram.com/%s%s' % ('u001b[32;1m', username, 'u001b[0m'))
write_file(username)

elif response.status == 200 and 'Login • Instagram' in r:
print('[!] Failed to check username. Try again later', username)
# if self.count == 50:
# print(r)
else:
print('%s[UNAVAILABLE] https://www.instagram.com/%s%s' % ('u001b[31;1m', username, 'u001b[0m'))

#self.count += 1
#print(r)
#print(response.status)
except Exception as e:
print('[ERROR] ' + e)

async def start(self):
tasks = []
async with aiohttp.ClientSession(headers=self.HEADERS) as session:
for i in self.to_check:
print('[*] Appending.. :', i)
tasks.append(asyncio.create_task(self._check(session, i)))
system('cls')
print('Loading.. This may take awhile.')
task = await asyncio.gather(*tasks)
return task

if __name__ == '__main__':
system('title Instagram Username Checker by $_$')
system('cls')
username_list = open_file()
checker = Checker(username_list)
loop = asyncio.get_event_loop()
loop.run_until_complete(checker.start())