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# Pyrogram - Telegram MTProto API Client Library for Python

# Copyright (C) 2017-2020 Dan <https://github.com/delivrance>

#

# This file is part of Pyrogram.

#

# Pyrogram is free software: you can redistribute it and/or modify

# it under the terms of the GNU Lesser General Public License as published

# by the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# Pyrogram 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 General Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public License

# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.

from collections import OrderedDict

from typing import Union

import pyrogram

from .html import HTML

from .markdown import Markdown

class Parser:

def __init__(self, client: Union["pyrogram.BaseClient", None]):

self.client = client

self.html = HTML(client)

self.markdown = Markdown(client)

async def parse(self, text: str, mode: Union[str, None] = object):

text = str(text).strip()

if mode == object:

if self.client:

mode = self.client.parse_mode

else:

mode = "combined"

if mode is None:

return OrderedDict([

("message", text),

("entities", [])

])

mode = mode.lower()

if mode == "combined":

return await self.markdown.parse(text)

if mode in ["markdown", "md"]:

return await self.markdown.parse(text, True)

if mode == "html":

return await self.html.parse(text)

raise ValueError('parse_mode must be one of {} or None. Not "{}"'.format(

", ".join('"{}"'.format(m) for m in pyrogram.Client.PARSE_MODES[:-1]),

mode

))

@staticmethod

def unparse(text: str, entities: list, is_html: bool):

if is_html:

return HTML.unparse(text, entities)

else:

return Markdown.unparse(text, entities)