mirror of
https://mau.dev/maunium/synapse.git
synced 2024-11-10 20:11:32 +01:00
52 lines
1.9 KiB
Python
52 lines
1.9 KiB
Python
# Copyright 2021 The Matrix.org Foundation C.I.C.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from html.parser import HTMLParser
|
|
from typing import Dict, Iterable, List, NoReturn, Optional, Tuple
|
|
|
|
|
|
class TestHtmlParser(HTMLParser):
|
|
"""A generic HTML page parser which extracts useful things from the HTML"""
|
|
|
|
def __init__(self) -> None:
|
|
super().__init__()
|
|
|
|
# a list of links found in the doc
|
|
self.links: List[str] = []
|
|
|
|
# the values of any hidden <input>s: map from name to value
|
|
self.hiddens: Dict[str, Optional[str]] = {}
|
|
|
|
# the values of any radio buttons: map from name to list of values
|
|
self.radios: Dict[str, List[Optional[str]]] = {}
|
|
|
|
def handle_starttag(
|
|
self, tag: str, attrs: Iterable[Tuple[str, Optional[str]]]
|
|
) -> None:
|
|
attr_dict = dict(attrs)
|
|
if tag == "a":
|
|
href = attr_dict["href"]
|
|
if href:
|
|
self.links.append(href)
|
|
elif tag == "input":
|
|
input_name = attr_dict.get("name")
|
|
if attr_dict["type"] == "radio":
|
|
assert input_name
|
|
self.radios.setdefault(input_name, []).append(attr_dict["value"])
|
|
elif attr_dict["type"] == "hidden":
|
|
assert input_name
|
|
self.hiddens[input_name] = attr_dict["value"]
|
|
|
|
def error(self, message: str) -> NoReturn:
|
|
raise AssertionError(message)
|