python-telegram-bot/telegram/utils/helpers.py
Joscha Götzer ac59f2f37c Added methods to generate the original markdown/html string from entities contained in Message (#507)
* Added methods to generate the original markdown/html formatted string from the entities contained in an update

* Added

* Moved the html/markdown parsing methods to `Message`

* Moved extract_* methods from helpers to the appropriate location

* Refactored text_markdown and text_html

* Refactored text_markdown and text_html for efficiency

* Fixed method call in conversationhandler

* Fixed method call in handler

* Fixed `make test` command on windows systems

* Improved method documentation
2017-01-20 20:13:58 +01:00

27 lines
1 KiB
Python

#!/usr/bin/env python
#
# 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 helper functions """
import re
def escape_markdown(text):
"""Helper function to escape telegram markup symbols"""
escape_chars = '\*_`\['
return re.sub(r'([%s])' % escape_chars, r'\\\1', text)