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160 lines
5.1 KiB
Python
160 lines
5.1 KiB
Python
"""
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Sends updates to a Telegram bot.
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Usage:
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>>> from tqdm.contrib.telegram import tqdm, trange
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>>> for i in trange(10, token='{token}', chat_id='{chat_id}'):
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... ...
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"""
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from __future__ import absolute_import
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from os import getenv
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from warnings import warn
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from requests import Session
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from ..auto import tqdm as tqdm_auto
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from ..std import TqdmWarning
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from ..utils import _range
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from .utils_worker import MonoWorker
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__author__ = {"github.com/": ["casperdcl"]}
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__all__ = ['TelegramIO', 'tqdm_telegram', 'ttgrange', 'tqdm', 'trange']
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class TelegramIO(MonoWorker):
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"""Non-blocking file-like IO using a Telegram Bot."""
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API = 'https://api.telegram.org/bot'
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def __init__(self, token, chat_id):
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"""Creates a new message in the given `chat_id`."""
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super(TelegramIO, self).__init__()
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self.token = token
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self.chat_id = chat_id
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self.session = Session()
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self.text = self.__class__.__name__
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self.message_id
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@property
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def message_id(self):
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if hasattr(self, '_message_id'):
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return self._message_id
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try:
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res = self.session.post(
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self.API + '%s/sendMessage' % self.token,
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data={'text': '`' + self.text + '`', 'chat_id': self.chat_id,
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'parse_mode': 'MarkdownV2'}).json()
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except Exception as e:
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tqdm_auto.write(str(e))
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else:
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if res.get('error_code') == 429:
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warn("Creation rate limit: try increasing `mininterval`.",
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TqdmWarning, stacklevel=2)
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else:
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self._message_id = res['result']['message_id']
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return self._message_id
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def write(self, s):
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"""Replaces internal `message_id`'s text with `s`."""
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if not s:
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s = "..."
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s = s.replace('\r', '').strip()
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if s == self.text:
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return # avoid duplicate message Bot error
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message_id = self.message_id
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if message_id is None:
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return
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self.text = s
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try:
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future = self.submit(
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self.session.post, self.API + '%s/editMessageText' % self.token,
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data={'text': '`' + s + '`', 'chat_id': self.chat_id,
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'message_id': message_id, 'parse_mode': 'MarkdownV2'})
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except Exception as e:
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tqdm_auto.write(str(e))
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else:
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return future
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def delete(self):
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"""Deletes internal `message_id`."""
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try:
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future = self.submit(
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self.session.post, self.API + '%s/deleteMessage' % self.token,
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data={'chat_id': self.chat_id, 'message_id': self.message_id})
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except Exception as e:
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tqdm_auto.write(str(e))
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else:
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return future
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class tqdm_telegram(tqdm_auto):
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"""
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Standard `tqdm.auto.tqdm` but also sends updates to a Telegram Bot.
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May take a few seconds to create (`__init__`).
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- create a bot <https://core.telegram.org/bots#6-botfather>
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- copy its `{token}`
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- add the bot to a chat and send it a message such as `/start`
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- go to <https://api.telegram.org/bot`{token}`/getUpdates> to find out
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the `{chat_id}`
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- paste the `{token}` & `{chat_id}` below
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>>> from tqdm.contrib.telegram import tqdm, trange
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>>> for i in tqdm(iterable, token='{token}', chat_id='{chat_id}'):
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... ...
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"""
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def __init__(self, *args, **kwargs):
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"""
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Parameters
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----------
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token : str, required. Telegram token
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[default: ${TQDM_TELEGRAM_TOKEN}].
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chat_id : str, required. Telegram chat ID
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[default: ${TQDM_TELEGRAM_CHAT_ID}].
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See `tqdm.auto.tqdm.__init__` for other parameters.
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"""
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if not kwargs.get('disable'):
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kwargs = kwargs.copy()
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self.tgio = TelegramIO(
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kwargs.pop('token', getenv('TQDM_TELEGRAM_TOKEN')),
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kwargs.pop('chat_id', getenv('TQDM_TELEGRAM_CHAT_ID')))
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super(tqdm_telegram, self).__init__(*args, **kwargs)
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def display(self, **kwargs):
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super(tqdm_telegram, self).display(**kwargs)
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fmt = self.format_dict
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if fmt.get('bar_format', None):
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fmt['bar_format'] = fmt['bar_format'].replace(
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'<bar/>', '{bar:10u}').replace('{bar}', '{bar:10u}')
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else:
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fmt['bar_format'] = '{l_bar}{bar:10u}{r_bar}'
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self.tgio.write(self.format_meter(**fmt))
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def clear(self, *args, **kwargs):
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super(tqdm_telegram, self).clear(*args, **kwargs)
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if not self.disable:
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self.tgio.write("")
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def close(self):
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if self.disable:
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return
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super(tqdm_telegram, self).close()
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if not (self.leave or (self.leave is None and self.pos == 0)):
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self.tgio.delete()
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def ttgrange(*args, **kwargs):
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"""
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A shortcut for `tqdm.contrib.telegram.tqdm(xrange(*args), **kwargs)`.
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On Python3+, `range` is used instead of `xrange`.
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"""
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return tqdm_telegram(_range(*args), **kwargs)
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# Aliases
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tqdm = tqdm_telegram
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trange = ttgrange
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