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# Copyright 2017 New Vector Ltd
#
# 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 typing import Any, Dict, List, Tuple
from synapse.config import ConfigError
from synapse.util.module_loader import load_module
from ._base import Config
class SpamCheckerConfig(Config):
section = "spamchecker"
def read_config(self, config, **kwargs):
self.spam_checkers = [] # type: List[Tuple[Any, Dict]]
spam_checkers = config.get("spam_checker") or []
if isinstance(spam_checkers, dict):
# The spam_checker config option used to only support one
# spam checker, and thus was simply a dictionary with module
# and config keys. Support this old behaviour by checking
# to see if the option resolves to a dictionary
self.spam_checkers.append(load_module(spam_checkers, ("spam_checker",)))
elif isinstance(spam_checkers, list):
for i, spam_checker in enumerate(spam_checkers):
config_path = ("spam_checker", "<item %i>" % i)
if not isinstance(spam_checker, dict):
raise ConfigError("expected a mapping", config_path)
self.spam_checkers.append(load_module(spam_checker, config_path))
else:
raise ConfigError("spam_checker syntax is incorrect")
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