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barcode_server/config.py
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250
barcode_server/config.py
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# Copyright (c) 2019 Markus Ressel
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import logging
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import re
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import uuid
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from container_app_conf import ConfigBase
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from container_app_conf.entry.bool import BoolConfigEntry
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from container_app_conf.entry.file import FileConfigEntry
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from container_app_conf.entry.int import IntConfigEntry
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from container_app_conf.entry.list import ListConfigEntry
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from container_app_conf.entry.regex import RegexConfigEntry
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from container_app_conf.entry.string import StringConfigEntry
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from container_app_conf.entry.timedelta import TimeDeltaConfigEntry
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from container_app_conf.source.env_source import EnvSource
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from container_app_conf.source.toml_source import TomlSource
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from container_app_conf.source.yaml_source import YamlSource
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from py_range_parse import Range
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from barcode_server.const import *
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class AppConfig(ConfigBase):
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def __new__(cls, *args, **kwargs):
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yaml_source = YamlSource(CONFIG_NODE_ROOT)
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toml_source = TomlSource(CONFIG_NODE_ROOT)
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data_sources = [
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EnvSource(),
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yaml_source,
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toml_source,
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]
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return super(AppConfig, cls).__new__(cls, data_sources=data_sources)
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LOG_LEVEL = StringConfigEntry(
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description="Log level",
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key_path=[
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CONFIG_NODE_ROOT,
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"log_level"
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],
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regex=re.compile(f" {'|'.join(logging._nameToLevel.keys())}", flags=re.IGNORECASE),
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default="INFO",
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)
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INSTANCE_ID = StringConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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"id"
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],
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regex=re.compile("[0-9a-zA-Z\.\_\-\+\/\#]+"),
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default=str(uuid.uuid4()),
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required=True
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)
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SERVER_HOST = StringConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_SERVER,
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"host"
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],
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default=DEFAULT_SERVER_HOST,
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secret=True)
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SERVER_PORT = IntConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_SERVER,
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CONFIG_NODE_PORT
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],
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range=Range(1, 65534),
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default=DEFAULT_SERVER_PORT)
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SERVER_API_TOKEN = StringConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_SERVER,
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"api_token"
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],
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default=None,
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secret=True
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)
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DROP_EVENT_QUEUE_AFTER = TimeDeltaConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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"drop_event_queue_after"
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],
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default="2h",
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)
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RETRY_INTERVAL = TimeDeltaConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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"retry_interval"
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],
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default="2s",
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)
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HTTP_METHOD = StringConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_HTTP,
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"method"
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],
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required=True,
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default="POST",
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regex="GET|POST|PUT|PATCH"
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)
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HTTP_URL = StringConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_HTTP,
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"url"
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],
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required=False
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)
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HTTP_HEADERS = ListConfigEntry(
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item_type=StringConfigEntry,
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_HTTP,
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"headers"
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],
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default=[]
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)
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MQTT_HOST = StringConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_MQTT,
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"host"
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],
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required=False
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)
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MQTT_PORT = IntConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_MQTT,
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"port"
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],
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required=True,
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default=1883,
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range=Range(1, 65534),
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)
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MQTT_CLIENT_ID = StringConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_MQTT,
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"client_id"
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],
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default="barcode-server"
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)
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MQTT_USER = StringConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_MQTT,
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"user"
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]
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)
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MQTT_PASSWORD = StringConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_MQTT,
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"password"
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],
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secret=True
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)
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MQTT_TOPIC = StringConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_MQTT,
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"topic"
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],
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default="barcode-server/barcode",
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required=True
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)
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MQTT_QOS = IntConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_MQTT,
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"qos"
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],
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default=2,
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required=True
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)
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MQTT_RETAIN = BoolConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_MQTT,
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"retain"
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],
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default=False,
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required=True
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)
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DEVICE_PATTERNS = ListConfigEntry(
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item_type=RegexConfigEntry,
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item_args={
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"flags": re.IGNORECASE
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},
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key_path=[
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CONFIG_NODE_ROOT,
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"devices"
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],
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default=[]
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)
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DEVICE_PATHS = ListConfigEntry(
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item_type=FileConfigEntry,
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key_path=[
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CONFIG_NODE_ROOT,
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"device_paths"
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],
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default=[]
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)
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STATS_PORT = IntConfigEntry(
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key_path=[
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CONFIG_NODE_ROOT,
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CONFIG_NODE_STATS,
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CONFIG_NODE_PORT
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],
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default=8000,
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required=False
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)
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def validate(self):
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super(AppConfig, self).validate()
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if len(self.DEVICE_PATHS.value) == len(self.DEVICE_PATTERNS.value) == 0:
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raise AssertionError("You must provide at least one device pattern or device_path!")
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