952f0627f1
# Conflicts: # pyrogram/client/client.py # pyrogram/client/ext/base_client.py # pyrogram/client/ext/syncer.py # pyrogram/client/style/html.py # pyrogram/client/style/markdown.py
129 lines
4.7 KiB
Python
129 lines
4.7 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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import re
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from collections import OrderedDict
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import pyrogram
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from pyrogram.api.types import (
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MessageEntityBold as Bold,
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MessageEntityItalic as Italic,
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MessageEntityCode as Code,
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MessageEntityTextUrl as Url,
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MessageEntityPre as Pre,
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MessageEntityMentionName as MentionInvalid,
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InputMessageEntityMentionName as Mention,
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)
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from pyrogram.errors import PeerIdInvalid
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from . import utils
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from ..session_storage import SessionStorage
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class HTML:
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HTML_RE = re.compile(r"<(\w+)(?: href=([\"'])([^<]+)\2)?>([^>]+)</\1>")
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MENTION_RE = re.compile(r"tg://user\?id=(\d+)")
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def __init__(self, session_storage: SessionStorage, client: "pyrogram.BaseClient" = None):
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self.client = client
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self.session_storage = session_storage
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def parse(self, message: str):
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entities = []
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message = utils.add_surrogates(str(message or ""))
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offset = 0
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for match in self.HTML_RE.finditer(message):
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start = match.start() - offset
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style, url, body = match.group(1, 3, 4)
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if url:
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mention = self.MENTION_RE.match(url)
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if mention:
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user_id = int(mention.group(1))
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try:
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input_user = self.session_storage.get_peer_by_id(user_id)
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except KeyError:
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input_user = None
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entity = (
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Mention(offset=start, length=len(body), user_id=input_user)
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if input_user else MentionInvalid(offset=start, length=len(body), user_id=user_id)
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)
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else:
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entity = Url(offset=start, length=len(body), url=url)
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else:
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if style == "b" or style == "strong":
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entity = Bold(offset=start, length=len(body))
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elif style == "i" or style == "em":
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entity = Italic(offset=start, length=len(body))
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elif style == "code":
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entity = Code(offset=start, length=len(body))
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elif style == "pre":
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entity = Pre(offset=start, length=len(body), language="")
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else:
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continue
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entities.append(entity)
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message = message.replace(match.group(), body)
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offset += len(style) * 2 + 5 + (len(url) + 8 if url else 0)
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# TODO: OrderedDict to be removed in Python3.6
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return OrderedDict([
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("message", utils.remove_surrogates(message)),
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("entities", entities)
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])
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def unparse(self, message: str, entities: list):
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message = utils.add_surrogates(message).strip()
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offset = 0
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for entity in entities:
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start = entity.offset + offset
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type = entity.type
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url = entity.url
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user = entity.user
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sub = message[start: start + entity.length]
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if type == "bold":
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style = "b"
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elif type == "italic":
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style = "i"
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elif type == "code":
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style = "code"
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elif type == "pre":
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style = "pre"
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elif type == "text_link":
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offset += 15 + len(url)
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message = message[:start] + message[start:].replace(
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sub, "<a href=\"{}\">{}</a>".format(url, sub), 1)
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continue
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elif type == "text_mention":
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offset += 28 + len(str(user.id))
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message = message[:start] + message[start:].replace(
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sub, "<a href=\"tg://user?id={}\">{}</a>".format(user.id, sub), 1)
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continue
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else:
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continue
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offset += len(style) * 2 + 5
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message = message[:start] + message[start:].replace(
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sub, "<{0}>{1}</{0}>".format(style, sub), 1)
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return utils.remove_surrogates(message)
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