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68b490eb75
* Add `RANK` information for distributed training. * Only master process sends notifications (except for errors) * Update README
98 lines
4.1 KiB
Python
98 lines
4.1 KiB
Python
import os
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import datetime
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import traceback
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import functools
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import socket
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import telegram
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DATE_FORMAT = "%Y-%m-%d %H:%M:%S"
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def telegram_sender(token: str, chat_id: int):
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"""
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Telegram sender wrapper: execute func, send a Telegram message with the end status
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(sucessfully finished or crashed) at the end. Also send a Telegram message before
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executing func.
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`token`: str
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The API access TOKEN required to use the Telegram API.
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Visit https://core.telegram.org/bots#6-botfather to obtain your TOKEN.
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`chat_id`: int
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Your chat room id with your notification BOT.
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Visit https://api.telegram.org/bot<YourBOTToken>/getUpdates to get your chat_id
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(start a conversation with your bot by sending a message and get the `int` under
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message['chat']['id'])
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"""
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bot = telegram.Bot(token=token)
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def decorator_sender(func):
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@functools.wraps(func)
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def wrapper_sender(*args, **kwargs):
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start_time = datetime.datetime.now()
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host_name = socket.gethostname()
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func_name = func.__name__
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# Handling distributed training edge case.
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# In PyTorch, the launch of `torch.distributed.launch` sets up a RANK environment variable for each process.
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# This can be used to detect the master process.
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# See https://github.com/pytorch/pytorch/blob/master/torch/distributed/launch.py#L211
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# Except for errors, only the master process will send notifications.
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if 'RANK' in os.environ:
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master_process = (int(os.environ['RANK']) == 0)
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host_name += ' - RANK: %s' % os.environ['RANK']
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else:
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master_process = True
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if master_process:
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contents = ['Your training has started 🎬',
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'Machine name: %s' % host_name,
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'Main call: %s' % func_name,
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'Starting date: %s' % start_time.strftime(DATE_FORMAT)]
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text = '\n'.join(contents)
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bot.send_message(chat_id=chat_id, text=text)
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try:
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value = func(*args, **kwargs)
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if master_process:
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end_time = datetime.datetime.now()
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elapsed_time = end_time - start_time
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contents = ["Your training is complete 🎉",
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'Machine name: %s' % host_name,
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'Main call: %s' % func_name,
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'Starting date: %s' % start_time.strftime(DATE_FORMAT),
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'End date: %s' % end_time.strftime(DATE_FORMAT),
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'Training duration: %s' % str(elapsed_time)]
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try:
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str_value = str(value)
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contents.append('Main call returned value: %s'% str_value)
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except:
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contents.append('Main call returned value: %s'% "ERROR - Couldn't str the returned value.")
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text = '\n'.join(contents)
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bot.send_message(chat_id=chat_id, text=text)
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return value
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except Exception as ex:
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end_time = datetime.datetime.now()
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elapsed_time = end_time - start_time
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contents = ["Your training has crashed ☠️",
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'Machine name: %s' % host_name,
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'Main call: %s' % func_name,
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'Starting date: %s' % start_time.strftime(DATE_FORMAT),
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'Crash date: %s' % end_time.strftime(DATE_FORMAT),
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'Crashed training duration: %s\n\n' % str(elapsed_time),
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"Here's the error:",
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'%s\n\n' % ex,
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"Traceback:",
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'%s' % traceback.format_exc()]
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text = '\n'.join(contents)
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bot.send_message(chat_id=chat_id, text=text)
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raise ex
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return wrapper_sender
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return decorator_sender
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