ticketfrei3/kibicara/config.py

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# Copyright (C) 2020 by Thomas Lindner <tom@dl6tom.de>
# Copyright (C) 2020 by Cathy Hu <cathy.hu@fau.de>
# Copyright (C) 2020 by Martin Rey <martin.rey@mailbox.org>
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#
# SPDX-License-Identifier: 0BSD
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""" Configuration file and command line argument parser.
Gives a dictionary named `config` with configuration parsed either from
`/etc/kibicara.conf` or from a file given by command line argument `-f`.
If no configuration was found at all, the defaults are used.
Example:
```
from kibicara.config import config
print(config)
```
"""
from argparse import ArgumentParser
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from pytoml import load
from sys import argv
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config = {
'database_connection': 'sqlite:////tmp/kibicara.sqlite',
'frontend_url': 'http://127.0.0.1:4200', # dev default
'behind_proxy': False,
# production params
'frontend_path': None,
'production': True,
# dev params
'root_url': 'http://localhost:8000',
'cors_allow_origin': 'http://127.0.0.1:4200',
}
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""" Default configuration.
The default configuration gets overwritten by a configuration file if one exists.
"""
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args = None
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if argv[0].endswith('kibicara'):
parser = ArgumentParser()
parser.add_argument(
'-f',
'--config',
dest='configfile',
default='/etc/kibicara.conf',
help='path to config file',
)
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parser.add_argument(
'-v',
'--verbose',
action="count",
help="Raise verbosity level",
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)
args = parser.parse_args()
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if argv[0].endswith('kibicara_mda'):
parser = ArgumentParser()
parser.add_argument(
'-f',
'--config',
dest='configfile',
default='/etc/kibicara.conf',
help='path to config file',
)
# the MDA passes the recipient address as command line argument
parser.add_argument("recipient")
args = parser.parse_args()
if args is not None:
try:
with open(args.configfile) as configfile:
config.update(load(configfile))
except FileNotFoundError:
# run with default config
pass