Initial split to htmlparser/lxml matrix->telegram formatters

mautrix_telegram/formatter/from_matrix/parser_lxml.py

@@ -0,0 +1,52 @@
+# -*- coding: future_fstrings -*-
+# mautrix-telegram - A Matrix-Telegram puppeting bridge
+# Copyright (C) 2018 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General 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 Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+from lxml import etree
+from typing import Optional, List, Tuple, Type, Callable, Dict, Any
+import math
+import re
+import logging
+
+from telethon.tl.types import (MessageEntityMention, MessageEntityMentionName, MessageEntityEmail,
+                               MessageEntityUrl, MessageEntityTextUrl, MessageEntityBold,
+                               MessageEntityItalic, MessageEntityCode, MessageEntityPre,
+                               MessageEntityBotCommand, TypeMessageEntity)
+
+from ...context import Context
+from ... import user as u, puppet as pu, portal as po
+from ...db import Message as DBMessage
+from ...formatter.util import (add_surrogates, remove_surrogates, trim_reply_fallback_html,
+                               trim_reply_fallback_text, html_to_unicode)
+from .parser_common import MatrixParserCommon, ParsedMessage
+
+
+class MatrixParser(MatrixParserCommon):
+    def __init__(self):
+        self.text = ""
+        self.entities = []
+
+    def parse_node(self, node) -> ParsedMessage:
+        pass
+
+    def feed(self, html: str):
+        document = etree.parse(html)
+        self.text, self.entities = self.parse_node(document)
+
+
+def parse_html(html: str) -> ParsedMessage:
+    parser = MatrixParser()
+    parser.feed(html)
+    return parser.text, parser.entities