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#!/usr/bin/env python3
import requests
import sys
import traceback
import os
from argparse import ArgumentParser
from jstate import JState
def main():
# parse arguments
parser = ArgumentParser()
parser.add_argument('--log-file', type=str, help='A file to read from')
parser.add_argument('--state-file', default=('%s/.log-checker.state' % os.getenv('HOME')))
parser.add_argument('--token', help='Telegram bot token')
parser.add_argument('--chat-id', type=int, help='Telegram chat id (with bot)')
args = parser.parse_args()
# read file
jstate = JState(args.state_file, default=dict(seek=0, size=0))
state = jstate.read()
fsize = os.path.getsize(args.log_file)
if fsize < state['size']:
state['seek'] = 0
with open(args.log_file, 'r') as f:
if state['seek']:
# jump to the latest readed position
f.seek(state['seek'])
# read till the end of the file
content = f.read()
# save new position
state['seek'] = f.tell()
state['size'] = fsize
jstate.write(state)
# if got something, send it to telegram
if content != '':
print('sending: %s' % content)
r = requests.post('https://api.telegram.org/bot%s/sendMessage' % args.token, data={
'chat_id': args.chat_id,
'text': content
})
print(r.status_code)
print(r.text)
if __name__ == '__main__':
try:
main()
except:
traceback.print_exc()
sys.exit(1)
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