OpenSource/python-telegram-bot
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python-telegram-bot/telegram/bot.py
leandrotoledo dfc75cc64e Add docstring style checker and fixing some
2016-01-13 14:09:35 -02:00

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#!/usr/bin/env python
# pylint: disable=E0611,E0213,E1102,C0103,E1101,W0613,R0913,R0904
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2016
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
#
# 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/].
"""This module contains a object that represents a Telegram Bot."""
import functools
import logging
from telegram import (User, Message, Update, UserProfilePhotos, File,
TelegramError, ReplyMarkup, TelegramObject, NullHandler)
from telegram.utils import request
H = NullHandler()
logging.getLogger(__name__).addHandler(H)
class Bot(TelegramObject):
"""This object represents a Telegram Bot.
Attributes:
id (int):
first_name (str):
last_name (str):
username (str):
name (str):
Args:
token (str):
**kwargs: Arbitrary keyword arguments.
Keyword Args:
base_url (Optional[str]):
"""
def __init__(self,
token,
base_url=None):
self.token = self._valid_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.base_file_url = 'https://api.telegram.org/file/bot%s' % self.token
self.bot = None
self.logger = logging.getLogger(__name__)
def info(func):
"""
Returns:
"""
@functools.wraps(func)
def decorator(self, *args, **kwargs):
"""
decorator
"""
if not self.bot:
self.getMe()
result = func(self, *args, **kwargs)
return result
return decorator
@property
@info
def id(self):
"""int: """
return self.bot.id
@property
@info
def first_name(self):
"""str: """
return self.bot.first_name
@property
@info
def last_name(self):
"""str: """
return self.bot.last_name
@property
@info
def username(self):
"""str: """
return self.bot.username
@property
def name(self):
"""str: """
return '@%s' % self.username
def log(func):
"""
Returns:
A telegram.Message instance representing the message posted.
"""
logger = logging.getLogger(func.__module__)
@functools.wraps(func)
def decorator(self, *args, **kwargs):
"""
decorator
"""
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):
"""
decorator
"""
url, data = func(self, *args, **kwargs)
if not data.get('chat_id'):
raise TelegramError('Invalid chat_id')
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
result = request.post(url, data)
if result is True:
return result
return Message.de_json(result)
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
result = request.get(url)
self.bot = User.de_json(result)
return self.bot
@log
@message
def sendMessage(self,
chat_id,
text,
parse_mode=None,
disable_web_page_preview=None,
**kwargs):
"""Use this method to send text messages.
Args:
chat_id:
Unique identifier for the message recipient - telegram.Chat id.
parse_mode:
Send Markdown, if you want Telegram apps to show bold, italic and
inline URLs in your bot's message. For the moment, only Telegram
for Android supports this. [Optional]
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 parse_mode:
data['parse_mode'] = parse_mode
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 - Chat id.
from_chat_id:
Unique identifier for the chat where the original message was sent
- Chat 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,
**kwargs):
"""Use this method to send photos.
Args:
chat_id:
Unique identifier for the message recipient - Chat 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,
**kwargs):
"""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 - Chat 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,
filename=None,
**kwargs):
"""Use this method to send general files.
Args:
chat_id:
Unique identifier for the message recipient - Chat 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.
filename:
File name that shows in telegram message (it is usefull when you
send file generated by temp module, for example). [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/sendDocument' % self.base_url
data = {'chat_id': chat_id,
'document': document}
if filename:
data['filename'] = filename
return url, data
@log
@message
def sendSticker(self,
chat_id,
sticker,
**kwargs):
"""Use this method to send .webp stickers.
Args:
chat_id:
Unique identifier for the message recipient - Chat 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,
**kwargs):
"""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 - Chat 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,
**kwargs):
"""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 - Chat 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,
**kwargs):
"""Use this method to send point on the map.
Args:
chat_id:
Unique identifier for the message recipient - Chat 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 - Chat 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 for videos,
- ChatAction.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
result = request.post(url, data)
return UserProfilePhotos.de_json(result)
@log
def getFile(self,
file_id):
"""Use this method to get basic info about a file and prepare it for
downloading. For the moment, bots can download files of up to 20MB in
size.
Args:
file_id:
File identifier to get info about.
Returns:
Returns a telegram.File object
"""
url = '%s/getFile' % self.base_url
data = {'file_id': file_id}
result = request.post(url, data)
if result.get('file_path'):
result['file_path'] = '%s/%s' % (self.base_file_url,
result['file_path'])
return File.de_json(result)
@log
def getUpdates(self,
offset=None,
limit=100,
timeout=0,
network_delay=2.):
"""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.
network_delay:
Additional timeout in seconds to allow the response from Telegram
to take some time when using long polling. Defaults to 2, which
should be enough for most connections. Increase it if it takes very
long for data to be transmitted from and to the Telegram servers.
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
result = request.post(url, data, network_delay=network_delay)
if result:
self.logger.info(
'Getting updates: %s', [u['update_id'] for u in result])
else:
self.logger.info('No new updates found.')
return [Update.de_json(x) for x in result]
@log
def setWebhook(self,
webhook_url=None,
certificate=None):
"""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 = {}
if webhook_url:
data['url'] = webhook_url
if certificate:
data['certificate'] = certificate
result = request.post(url, data)
return result
@staticmethod
def de_json(data):
pass
def to_dict(self):
"""
Returns:
dict:
"""
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, '')))
@staticmethod
def _valid_token(token):
"""a very basic validation on token"""
left, sep, _right = token.partition(':')
if (not sep) or (not left.isdigit()) or (len(left) < 3):
raise TelegramError('Invalid token')
return token
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