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- """
- Sends updates to a Telegram bot.
- Usage:
- >>> from tqdm.contrib.telegram import tqdm, trange
- >>> for i in trange(10, token='{token}', chat_id='{chat_id}'):
- ... ...
- 
- """
- from os import getenv
- from warnings import warn
- from requests import Session
- from ..auto import tqdm as tqdm_auto
- from ..std import TqdmWarning
- from .utils_worker import MonoWorker
- __author__ = {"github.com/": ["casperdcl"]}
- __all__ = ['TelegramIO', 'tqdm_telegram', 'ttgrange', 'tqdm', 'trange']
- class TelegramIO(MonoWorker):
- """Non-blocking file-like IO using a Telegram Bot."""
- API = 'https://api.telegram.org/bot'
- def __init__(self, token, chat_id):
- """Creates a new message in the given `chat_id`."""
- super().__init__()
- self.token = token
- self.chat_id = chat_id
- self.session = Session()
- self.text = self.__class__.__name__
- self.message_id
- @property
- def message_id(self):
- if hasattr(self, '_message_id'):
- return self._message_id
- try:
- res = self.session.post(
- self.API + '%s/sendMessage' % self.token,
- data={'text': '`' + self.text + '`', 'chat_id': self.chat_id,
- 'parse_mode': 'MarkdownV2'}).json()
- except Exception as e:
- tqdm_auto.write(str(e))
- else:
- if res.get('error_code') == 429:
- warn("Creation rate limit: try increasing `mininterval`.",
- TqdmWarning, stacklevel=2)
- else:
- self._message_id = res['result']['message_id']
- return self._message_id
- def write(self, s):
- """Replaces internal `message_id`'s text with `s`."""
- if not s:
- s = "..."
- s = s.replace('\r', '').strip()
- if s == self.text:
- return # avoid duplicate message Bot error
- message_id = self.message_id
- if message_id is None:
- return
- self.text = s
- try:
- future = self.submit(
- self.session.post, self.API + '%s/editMessageText' % self.token,
- data={'text': '`' + s + '`', 'chat_id': self.chat_id,
- 'message_id': message_id, 'parse_mode': 'MarkdownV2'})
- except Exception as e:
- tqdm_auto.write(str(e))
- else:
- return future
- def delete(self):
- """Deletes internal `message_id`."""
- try:
- future = self.submit(
- self.session.post, self.API + '%s/deleteMessage' % self.token,
- data={'chat_id': self.chat_id, 'message_id': self.message_id})
- except Exception as e:
- tqdm_auto.write(str(e))
- else:
- return future
- class tqdm_telegram(tqdm_auto):
- """
- Standard `tqdm.auto.tqdm` but also sends updates to a Telegram Bot.
- May take a few seconds to create (`__init__`).
- - create a bot <https://core.telegram.org/bots#6-botfather>
- - copy its `{token}`
- - add the bot to a chat and send it a message such as `/start`
- - go to <https://api.telegram.org/bot`{token}`/getUpdates> to find out
- the `{chat_id}`
- - paste the `{token}` & `{chat_id}` below
- >>> from tqdm.contrib.telegram import tqdm, trange
- >>> for i in tqdm(iterable, token='{token}', chat_id='{chat_id}'):
- ... ...
- """
- def __init__(self, *args, **kwargs):
- """
- Parameters
- ----------
- token : str, required. Telegram token
- [default: ${TQDM_TELEGRAM_TOKEN}].
- chat_id : str, required. Telegram chat ID
- [default: ${TQDM_TELEGRAM_CHAT_ID}].
- See `tqdm.auto.tqdm.__init__` for other parameters.
- """
- if not kwargs.get('disable'):
- kwargs = kwargs.copy()
- self.tgio = TelegramIO(
- kwargs.pop('token', getenv('TQDM_TELEGRAM_TOKEN')),
- kwargs.pop('chat_id', getenv('TQDM_TELEGRAM_CHAT_ID')))
- super().__init__(*args, **kwargs)
- def display(self, **kwargs):
- super().display(**kwargs)
- fmt = self.format_dict
- if fmt.get('bar_format', None):
- fmt['bar_format'] = fmt['bar_format'].replace(
- '<bar/>', '{bar:10u}').replace('{bar}', '{bar:10u}')
- else:
- fmt['bar_format'] = '{l_bar}{bar:10u}{r_bar}'
- self.tgio.write(self.format_meter(**fmt))
- def clear(self, *args, **kwargs):
- super().clear(*args, **kwargs)
- if not self.disable:
- self.tgio.write("")
- def close(self):
- if self.disable:
- return
- super().close()
- if not (self.leave or (self.leave is None and self.pos == 0)):
- self.tgio.delete()
- def ttgrange(*args, **kwargs):
- """Shortcut for `tqdm.contrib.telegram.tqdm(range(*args), **kwargs)`."""
- return tqdm_telegram(range(*args), **kwargs)
- # Aliases
- tqdm = tqdm_telegram
- trange = ttgrange
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