pyTelegramBotAPI/telebot/formatting.py

327 lines
8.5 KiB
Python

"""
Markdown & HTML formatting functions.
.. versionadded:: 4.5.1
"""
import html
import re
from typing import Optional
def format_text(*args, separator="\n"):
"""
Formats a list of strings into a single string.
.. code:: python3
format_text( # just an example
mbold('Hello'),
mitalic('World')
)
:param args: Strings to format.
:type args: :obj:`str`
:param separator: The separator to use between each string.
:type separator: :obj:`str`
:return: The formatted string.
:rtype: :obj:`str`
"""
return separator.join(args)
def escape_html(content: str) -> str:
"""
Escapes HTML characters in a string of HTML.
:param content: The string of HTML to escape.
:type content: :obj:`str`
:return: The escaped string.
:rtype: :obj:`str`
"""
return html.escape(content)
def escape_markdown(content: str) -> str:
"""
Escapes Markdown characters in a string of Markdown.
Credits to: simonsmh
:param content: The string of Markdown to escape.
:type content: :obj:`str`
:return: The escaped string.
:rtype: :obj:`str`
"""
parse = re.sub(r"([_*\[\]()~`>\#\+\-=|\.!\{\}\\])", r"\\\1", content)
reparse = re.sub(r"\\\\([_*\[\]()~`>\#\+\-=|\.!\{\}\\])", r"\1", parse)
return reparse
def mbold(content: str, escape: Optional[bool]=True) -> str:
"""
Returns a Markdown-formatted bold string.
:param content: The string to bold.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '*{}*'.format(escape_markdown(content) if escape else content)
def hbold(content: str, escape: Optional[bool]=True) -> str:
"""
Returns an HTML-formatted bold string.
:param content: The string to bold.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '<b>{}</b>'.format(escape_html(content) if escape else content)
def mitalic(content: str, escape: Optional[bool]=True) -> str:
"""
Returns a Markdown-formatted italic string.
:param content: The string to italicize.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '_{}_\r'.format(escape_markdown(content) if escape else content)
def hitalic(content: str, escape: Optional[bool]=True) -> str:
"""
Returns an HTML-formatted italic string.
:param content: The string to italicize.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '<i>{}</i>'.format(escape_html(content) if escape else content)
def munderline(content: str, escape: Optional[bool]=True) -> str:
"""
Returns a Markdown-formatted underline string.
:param content: The string to underline.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '__{}__'.format(escape_markdown(content) if escape else content)
def hunderline(content: str, escape: Optional[bool]=True) -> str:
"""
Returns an HTML-formatted underline string.
:param content: The string to underline.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '<u>{}</u>'.format(escape_html(content) if escape else content)
def mstrikethrough(content: str, escape: Optional[bool]=True) -> str:
"""
Returns a Markdown-formatted strikethrough string.
:param content: The string to strikethrough.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '~{}~'.format(escape_markdown(content) if escape else content)
def hstrikethrough(content: str, escape: Optional[bool]=True) -> str:
"""
Returns an HTML-formatted strikethrough string.
:param content: The string to strikethrough.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '<s>{}</s>'.format(escape_html(content) if escape else content)
def mspoiler(content: str, escape: Optional[bool]=True) -> str:
"""
Returns a Markdown-formatted spoiler string.
:param content: The string to spoiler.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '||{}||'.format(escape_markdown(content) if escape else content)
def hspoiler(content: str, escape: Optional[bool]=True) -> str:
"""
Returns an HTML-formatted spoiler string.
:param content: The string to spoiler.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '<tg-spoiler>{}</tg-spoiler>'.format(escape_html(content) if escape else content)
def mlink(content: str, url: str, escape: Optional[bool]=True) -> str:
"""
Returns a Markdown-formatted link string.
:param content: The string to link.
:type content: :obj:`str`
:param url: The URL to link to.
:type url: str
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '[{}]({})'.format(escape_markdown(content), escape_markdown(url) if escape else content)
def hlink(content: str, url: str, escape: Optional[bool]=True) -> str:
"""
Returns an HTML-formatted link string.
:param content: The string to link.
:type content: :obj:`str`
:param url: The URL to link to.
:type url: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '<a href="{}">{}</a>'.format(escape_html(url), escape_html(content) if escape else content)
def mcode(content: str, language: str="", escape: Optional[bool]=True) -> str:
"""
Returns a Markdown-formatted code string.
:param content: The string to code.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '```{}\n{}```'.format(language, escape_markdown(content) if escape else content)
def hcode(content: str, escape: Optional[bool]=True) -> str:
"""
Returns an HTML-formatted code string.
:param content: The string to code.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '<code>{}</code>'.format(escape_html(content) if escape else content)
def hpre(content: str, escape: Optional[bool]=True, language: str="") -> str:
"""
Returns an HTML-formatted preformatted string.
:param content: The string to preformatted.
:type content: :obj:`str`
:param escape: True if you need to escape special characters. Defaults to True.
:type escape: :obj:`bool`
:return: The formatted string.
:rtype: :obj:`str`
"""
return '<pre><code class="{}">{}</code></pre>'.format(language, escape_html(content) if escape else content)
def hide_link(url: str) -> str:
"""
Hide url of an image.
:param url: The url of the image.
:type url: :obj:`str`
:return: The hidden url.
:rtype: :obj:`str`
"""
return f'<a href="{url}">&#8288;</a>'