59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
# -*- coding: utf-8 -*-
|
|
# 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.
|
|
|
|
import importlib
|
|
import importlib.util
|
|
|
|
from synapse.config._base import ConfigError
|
|
|
|
|
|
def load_module(provider):
|
|
""" Loads a synapse module with its config
|
|
Take a dict with keys 'module' (the module name) and 'config'
|
|
(the config dict).
|
|
|
|
Returns
|
|
Tuple of (provider class, parsed config object)
|
|
"""
|
|
# We need to import the module, and then pick the class out of
|
|
# that, so we split based on the last dot.
|
|
module, clz = provider["module"].rsplit(".", 1)
|
|
module = importlib.import_module(module)
|
|
provider_class = getattr(module, clz)
|
|
|
|
try:
|
|
provider_config = provider_class.parse_config(provider.get("config"))
|
|
except Exception as e:
|
|
raise ConfigError("Failed to parse config for %r: %r" % (provider["module"], e))
|
|
|
|
return provider_class, provider_config
|
|
|
|
|
|
def load_python_module(location: str):
|
|
"""Load a python module, and return a reference to its global namespace
|
|
|
|
Args:
|
|
location (str): path to the module
|
|
|
|
Returns:
|
|
python module object
|
|
"""
|
|
spec = importlib.util.spec_from_file_location(location, location)
|
|
if spec is None:
|
|
raise Exception("Unable to load module at %s" % (location,))
|
|
mod = importlib.util.module_from_spec(spec)
|
|
spec.loader.exec_module(mod) # type: ignore
|
|
return mod
|