OpenSource/python-telegram-bot
OpenSource/python-telegram-bot
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python-telegram-bot/telegram/bot.py

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#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015 Leandro Toledo de Souza <leandrotoeldodesouza@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser Public License for more details.
#
# You should have received a copy of the GNU Lesser Public License
# along with this program. If not, see [http://www.gnu.org/licenses/].
import json
try:
from urllib.parse import urlencode
from urllib.request import urlopen, Request
from urllib.error import HTTPError, URLError
except ImportError:
from urllib import urlencode
from urllib2 import urlopen, Request
from urllib2 import HTTPError, URLError
import functools
import logging
from telegram import (User, Message, Update, UserProfilePhotos, TelegramError,
ReplyMarkup, InputFile, TelegramObject, NullHandler)
h = NullHandler()
logging.getLogger(__name__).addHandler(h)
class Bot(TelegramObject):
def __init__(self,
token,
base_url=None):
self.token = token
if base_url is None:
self.base_url = 'https://api.telegram.org/bot%s' % self.token
else:
self.base_url = base_url + self.token
self.bot = None
self.log = logging.getLogger(__name__)
def info(func):
@functools.wraps(func)
def decorator(self, *args, **kwargs):
if not self.bot:
self.getMe()
result = func(self, *args, **kwargs)
return result
return decorator
@property
@info
def id(self):
return self.bot.id
@property
@info
def first_name(self):
return self.bot.first_name
@property
@info
def last_name(self):
return self.bot.last_name
@property
@info
def username(self):
return self.bot.username
@property
def name(self):
return '@%s' % self.username
def log(func):
logger = logging.getLogger(func.__module__)
@functools.wraps(func)
def decorator(self, *args, **kwargs):
logger.debug('Entering: %s' % func.__name__)
result = func(self, *args, **kwargs)
logger.debug(result)
logger.debug('Exiting: %s' % func.__name__)
return result
return decorator
def message(func):
"""
Returns:
A telegram.Message instance representing the message posted.
"""
@functools.wraps(func)
def decorator(self, *args, **kwargs):
url, data = func(self, *args, **kwargs)
if kwargs.get('reply_to_message_id'):
reply_to_message_id = kwargs.get('reply_to_message_id')
data['reply_to_message_id'] = reply_to_message_id
if kwargs.get('reply_markup'):
reply_markup = kwargs.get('reply_markup')
if isinstance(reply_markup, ReplyMarkup):
data['reply_markup'] = reply_markup.to_json()
else:
data['reply_markup'] = reply_markup
json_data = self._requestUrl(url, 'POST', data=data)
data = self._parseAndCheckTelegram(json_data)
if data is True:
return data
return Message.de_json(data)
return decorator
@log
def getMe(self):
"""A simple method for testing your bot's auth token.
Returns:
A telegram.User instance representing that bot if the
credentials are valid, None otherwise.
"""
url = '%s/getMe' % self.base_url
json_data = self._requestUrl(url, 'GET')
data = self._parseAndCheckTelegram(json_data)
self.bot = User.de_json(data)
return self.bot
@log
@message
def sendMessage(self,
chat_id,
text,
disable_web_page_preview=None,
reply_to_message_id=None,
reply_markup=None):
"""Use this method to send text messages.
Args:
chat_id:
Unique identifier for the message recipient - telegram.User or
telegram.GroupChat id.
text:
Text of the message to be sent.
disable_web_page_preview:
Disables link previews for links in this message. [Optional]
reply_to_message_id:
If the message is a reply, ID of the original message. [Optional]
reply_markup:
Additional interface options. A JSON-serialized object for a custom
reply keyboard, instructions to hide keyboard or to force a reply
from the user. [Optional]
Returns:
A telegram.Message instance representing the message posted.
"""
url = '%s/sendMessage' % self.base_url
data = {'chat_id': chat_id,
'text': text}
if disable_web_page_preview:
data['disable_web_page_preview'] = disable_web_page_preview
return url, data
@log
@message
def forwardMessage(self,
chat_id,
from_chat_id,
message_id):
"""Use this method to forward messages of any kind.
Args:
chat_id:
Unique identifier for the message recipient - User or GroupChat id.
from_chat_id:
Unique identifier for the chat where the original message was sent
- User or GroupChat id.
message_id:
Unique message identifier.
Returns:
A telegram.Message instance representing the message forwarded.
"""
url = '%s/forwardMessage' % self.base_url
data = {}
if chat_id:
data['chat_id'] = chat_id
if from_chat_id:
data['from_chat_id'] = from_chat_id
if message_id:
data['message_id'] = message_id
return url, data
@log
@message
def sendPhoto(self,
chat_id,
photo,
caption=None,
reply_to_message_id=None,
reply_markup=None):
"""Use this method to send photos.
Args:
chat_id:
Unique identifier for the message recipient - User or GroupChat id.
photo:
Photo to send. You can either pass a file_id as String to resend a
photo that is already on the Telegram servers, or upload a new
photo using multipart/form-data.
caption:
Photo caption (may also be used when resending photos by file_id).
[Optional]
reply_to_message_id:
If the message is a reply, ID of the original message. [Optional]
reply_markup:
Additional interface options. A JSON-serialized object for a custom
reply keyboard, instructions to hide keyboard or to force a reply
from the user. [Optional]
Returns:
A telegram.Message instance representing the message posted.
"""
url = '%s/sendPhoto' % self.base_url
data = {'chat_id': chat_id,
'photo': photo}
if caption:
data['caption'] = caption
return url, data
@log
@message
def sendAudio(self,
chat_id,
audio,
duration=None,
performer=None,
title=None,
reply_to_message_id=None,
reply_markup=None):
"""Use this method to send audio files, if you want Telegram clients to
display them in the music player. Your audio must be in an .mp3 format.
On success, the sent Message is returned. Bots can currently send audio
files of up to 50 MB in size, this limit may be changed in the future.
For backward compatibility, when both fields title and description are
empty and mime-type of the sent file is not "audio/mpeg", file is sent
as playable voice message. In this case, your audio must be in an .ogg
file encoded with OPUS. This will be removed in the future. You need to
use sendVoice method instead.
Args:
chat_id:
Unique identifier for the message recipient - User or GroupChat id.
audio:
Audio file to send. You can either pass a file_id as String to
resend an audio that is already on the Telegram servers, or upload
a new audio file using multipart/form-data.
duration:
Duration of sent audio in seconds. [Optional]
performer:
Performer of sent audio. [Optional]
title:
Title of sent audio. [Optional]
reply_to_message_id:
If the message is a reply, ID of the original message. [Optional]
reply_markup:
Additional interface options. A JSON-serialized object for a
custom reply keyboard, instructions to hide keyboard or to force a
reply from the user. [Optional]
Returns:
A telegram.Message instance representing the message posted.
"""
url = '%s/sendAudio' % self.base_url
data = {'chat_id': chat_id,
'audio': audio}
if duration:
data['duration'] = duration
if performer:
data['performer'] = performer
if title:
data['title'] = title
return url, data
@log
@message
def sendDocument(self,
chat_id,
document,
reply_to_message_id=None,
reply_markup=None):
"""Use this method to send general files.
Args:
chat_id:
Unique identifier for the message recipient - User or GroupChat id.
document:
File to send. You can either pass a file_id as String to resend a
file that is already on the Telegram servers, or upload a new file
using multipart/form-data.
reply_to_message_id:
If the message is a reply, ID of the original message. [Optional]
reply_markup:
Additional interface options. A JSON-serialized object for a
custom reply keyboard, instructions to hide keyboard or to force a
reply from the user. [Optional]
Returns:
A telegram.Message instance representing the message posted.
"""
url = '%s/sendDocument' % self.base_url
data = {'chat_id': chat_id,
'document': document}
return url, data
@log
@message
def sendSticker(self,
chat_id,
sticker,
reply_to_message_id=None,
reply_markup=None):
"""Use this method to send .webp stickers.
Args:
chat_id:
Unique identifier for the message recipient - User or GroupChat id.
sticker:
Sticker to send. You can either pass a file_id as String to resend
a sticker that is already on the Telegram servers, or upload a new
sticker using multipart/form-data.
reply_to_message_id:
If the message is a reply, ID of the original message. [Optional]
reply_markup:
Additional interface options. A JSON-serialized object for a
custom reply keyboard, instructions to hide keyboard or to force a
reply from the user. [Optional]
Returns:
A telegram.Message instance representing the message posted.
"""
url = '%s/sendSticker' % self.base_url
data = {'chat_id': chat_id,
'sticker': sticker}
return url, data
@log
@message
def sendVideo(self,
chat_id,
video,
duration=None,
caption=None,
reply_to_message_id=None,
reply_markup=None):
"""Use this method to send video files, Telegram clients support mp4
videos (other formats may be sent as telegram.Document).
Args:
chat_id:
Unique identifier for the message recipient - User or GroupChat id.
video:
Video to send. You can either pass a file_id as String to resend a
video that is already on the Telegram servers, or upload a new
video file using multipart/form-data.
duration:
Duration of sent video in seconds. [Optional]
caption:
Video caption (may also be used when resending videos by file_id).
[Optional]
reply_to_message_id:
If the message is a reply, ID of the original message. [Optional]
reply_markup:
Additional interface options. A JSON-serialized object for a
custom reply keyboard, instructions to hide keyboard or to force a
reply from the user. [Optional]
Returns:
A telegram.Message instance representing the message posted.
"""
url = '%s/sendVideo' % self.base_url
data = {'chat_id': chat_id,
'video': video}
if duration:
data['duration'] = duration
if caption:
data['caption'] = caption
return url, data
@log
@message
def sendVoice(self,
chat_id,
voice,
duration=None,
reply_to_message_id=None,
reply_markup=None):
"""Use this method to send audio files, if you want Telegram clients to
display the file as a playable voice message. For this to work, your
audio must be in an .ogg file encoded with OPUS (other formats may be
sent as Audio or Document). On success, the sent Message is returned.
Bots can currently send audio files of up to 50 MB in size, this limit
may be changed in the future.
Args:
chat_id:
Unique identifier for the message recipient - User or GroupChat id.
voice:
Audio file to send. You can either pass a file_id as String to
resend an audio that is already on the Telegram servers, or upload
a new audio file using multipart/form-data.
duration:
Duration of sent audio in seconds. [Optional]
reply_to_message_id:
If the message is a reply, ID of the original message. [Optional]
reply_markup:
Additional interface options. A JSON-serialized object for a
custom reply keyboard, instructions to hide keyboard or to force a
reply from the user. [Optional]
Returns:
A telegram.Message instance representing the message posted.
"""
url = '%s/sendVoice' % self.base_url
data = {'chat_id': chat_id,
'voice': voice}
if duration:
data['duration'] = duration
return url, data
@log
@message
def sendLocation(self,
chat_id,
latitude,
longitude,
reply_to_message_id=None,
reply_markup=None):
"""Use this method to send point on the map.
Args:
chat_id:
Unique identifier for the message recipient - User or GroupChat id.
latitude:
Latitude of location.
longitude:
Longitude of location.
reply_to_message_id:
If the message is a reply, ID of the original message. [Optional]
reply_markup:
Additional interface options. A JSON-serialized object for a
custom reply keyboard, instructions to hide keyboard or to force a
reply from the user. [Optional]
Returns:
A telegram.Message instance representing the message posted.
"""
url = '%s/sendLocation' % self.base_url
data = {'chat_id': chat_id,
'latitude': latitude,
'longitude': longitude}
return url, data
@log
@message
def sendChatAction(self,
chat_id,
action):
"""Use this method when you need to tell the user that something is
happening on the bot's side. The status is set for 5 seconds or less
(when a message arrives from your bot, Telegram clients clear its
typing status).
Args:
chat_id:
Unique identifier for the message recipient - User or GroupChat id.
action:
Type of action to broadcast. Choose one, depending on what the user
is about to receive:
- ChatAction.TYPING for text messages,
- ChatAction.UPLOAD_PHOTO for photos,
- ChatAction.UPLOAD_VIDEO or upload_video for videos,
- ChatAction.UPLOAD_AUDIO or upload_audio for audio files,
- ChatAction.UPLOAD_DOCUMENT for general files,
- ChatAction.FIND_LOCATION for location data.
"""
url = '%s/sendChatAction' % self.base_url
data = {'chat_id': chat_id,
'action': action}
return url, data
@log
def getUserProfilePhotos(self,
user_id,
offset=None,
limit=100):
"""Use this method to get a list of profile pictures for a user.
Args:
user_id:
Unique identifier of the target user.
offset:
Sequential number of the first photo to be returned. By default,
all photos are returned. [Optional]
limit:
Limits the number of photos to be retrieved. Values between 1-100
are accepted. Defaults to 100. [Optional]
Returns:
Returns a telegram.UserProfilePhotos object.
"""
url = '%s/getUserProfilePhotos' % self.base_url
data = {'user_id': user_id}
if offset:
data['offset'] = offset
if limit:
data['limit'] = limit
json_data = self._requestUrl(url, 'POST', data=data)
data = self._parseAndCheckTelegram(json_data)
return UserProfilePhotos.de_json(data)
@log
def getUpdates(self,
offset=None,
limit=100,
timeout=0):
"""Use this method to receive incoming updates using long polling.
Args:
offset:
Identifier of the first update to be returned. Must be greater by
one than the highest among the identifiers of previously received
updates. By default, updates starting with the earliest unconfirmed
update are returned. An update is considered confirmed as soon as
getUpdates is called with an offset higher than its update_id.
limit:
Limits the number of updates to be retrieved. Values between 1-100
are accepted. Defaults to 100.
timeout:
Timeout in seconds for long polling. Defaults to 0, i.e. usual
short polling.
Returns:
A list of telegram.Update objects are returned.
"""
url = '%s/getUpdates' % self.base_url
data = {}
if offset:
data['offset'] = offset
if limit:
data['limit'] = limit
if timeout:
data['timeout'] = timeout
json_data = self._requestUrl(url, 'POST', data=data)
data = self._parseAndCheckTelegram(json_data)
if data:
self.log.info(
'Getting updates: %s' % [u['update_id'] for u in data])
else:
self.log.info('No new updates found.')
return [Update.de_json(x) for x in data]
@log
def setWebhook(self,
webhook_url):
"""Use this method to specify a url and receive incoming updates via an
outgoing webhook. Whenever there is an update for the bot, we will send
an HTTPS POST request to the specified url, containing a
JSON-serialized Update. In case of an unsuccessful request, we will
give up after a reasonable amount of attempts.
Args:
url:
HTTPS url to send updates to.
Use an empty string to remove webhook integration
Returns:
True if successful else TelegramError was raised
"""
url = '%s/setWebhook' % self.base_url
data = {'url': webhook_url}
json_data = self._requestUrl(url, 'POST', data=data)
data = self._parseAndCheckTelegram(json_data)
return True
def _requestUrl(self,
url,
method,
data=None):
"""Request an URL.
Args:
url:
The web location we want to retrieve.
method:
Either POST or GET.
data:
A dict of (str, unicode) key/value pairs.
Returns:
A JSON object.
"""
if method not in ('POST', 'GET'):
raise ValueError(
"Method '%s' is neither 'POST' nor 'GET'" % method)
if method == 'POST':
try:
if InputFile.is_inputfile(data):
data = InputFile(data)
request = Request(
url,
data=data.to_form(),
headers=data.headers
)
return urlopen(request).read()
else:
return urlopen(
url,
urlencode(data).encode()
).read()
except IOError as e:
raise TelegramError(str(e))
except HTTPError as e:
raise TelegramError(str(e))
except URLError as e:
raise TelegramError(str(e))
if method == 'GET':
try:
return urlopen(url).read()
except URLError as e:
raise TelegramError(str(e))
def _parseAndCheckTelegram(self,
json_data):
"""Try and parse the JSON returned from Telegram and return an empty
dictionary if there is any error.
Args:
json_data:
JSON results from Telegram Bot API.
Returns:
A JSON parsed as Python dict with results.
"""
try:
data = json.loads(json_data.decode())
if not data['ok']:
raise TelegramError(data['description'])
except ValueError:
if '<title>403 Forbidden</title>' in json_data:
raise TelegramError({'message': 'API must be authenticated'})
raise TelegramError({'message': 'JSON decoding'})
return data['result']
def to_dict(self):
data = {'id': self.id,
'username': self.username,
'first_name': self.username}
if self.last_name:
data['last_name'] = self.last_name
return data
def __reduce__(self):
return (self.__class__, (self.token,
self.base_url.replace(self.token, '')))
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