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synapse/tests/test_utils/html_parsers.py
Jonathan de Jong 93729719b8
Use inline type hints in tests/ ()
This PR is tantamount to running:

    python3.8 -m com2ann -v 6 tests/

(com2ann requires python 3.8 to run)
2021-07-13 11:52:58 +01:00

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, Optional, Tuple
class TestHtmlParser(HTMLParser):
"""A generic HTML page parser which extracts useful things from the HTML"""
def __init__(self):
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(_, message):
raise AssertionError(message)