forked-synapse/synapse/app/__init__.py
Jonathan de Jong e12077a78a
Allow bytecode again (#9502)
In #75, bytecode was disabled (from a bit of FUD back in `python<2.4` days, according to dev chat), I think it's safe enough to enable it again.

Added in `__pycache__/` and `.pyc`/`.pyd` to `.gitignore`, to extra-insure compiled files don't get committed.

`Signed-off-by: Jonathan de Jong <jonathan@automatia.nl>`
2021-02-26 18:30:54 +00:00

50 lines
1.7 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket 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 logging
import sys
from synapse import python_dependencies # noqa: E402
logger = logging.getLogger(__name__)
try:
python_dependencies.check_requirements()
except python_dependencies.DependencyException as e:
sys.stderr.writelines(e.message)
sys.exit(1)
def check_bind_error(e, address, bind_addresses):
"""
This method checks an exception occurred while binding on 0.0.0.0.
If :: is specified in the bind addresses a warning is shown.
The exception is still raised otherwise.
Binding on both 0.0.0.0 and :: causes an exception on Linux and macOS
because :: binds on both IPv4 and IPv6 (as per RFC 3493).
When binding on 0.0.0.0 after :: this can safely be ignored.
Args:
e (Exception): Exception that was caught.
address (str): Address on which binding was attempted.
bind_addresses (list): Addresses on which the service listens.
"""
if address == "0.0.0.0" and "::" in bind_addresses:
logger.warning(
"Failed to listen on 0.0.0.0, continuing because listening on [::]"
)
else:
raise e