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How to use _load_from_env method in lisa

Best Python code snippet using lisa_python

loaders.py

Source:loaders.py

...12    is returned as a second return value, it can be used to13    provide help to the caller.14    """15    missing = []16    uri = _load_from_env(17        "SPYGLASS_KAFKA_URI",18        "URI used to connect on kafka",19        missing,20    )21    cafile = _load_from_env(22        "SPYGLASS_KAFKA_SSL_CA",23        "Path to CA file used to sign certificate",24        missing,25    )26    cert = _load_from_env(27        "SPYGLASS_KAFKA_SSL_CERT",28        "Path to signed certificate",29        missing,30    )31    privkey = _load_from_env(32        "SPYGLASS_KAFKA_SSL_KEY",33        "Path to private key file",34        missing,35    )36    if missing != []:37        errmsg = "\nMissing environment variables for Kafka config:"38        return None, errmsg + "\n\n" + "\n".join(missing)39    return KafkaConfig(40        uri=uri, ssl_cafile=cafile, ssl_cert=cert, ssl_keyfile=privkey), None41def load_health_check_config():42    missing = []43    cfgpath = _load_from_env(44        "SPYGLASS_HEALTH_CHECKS_CONFIG",45        "Path to health checks config file (JSON)",46        missing,47    )48    if missing != []:49        errmsg = "\nMissing environment variables for health checks config:"50        return None, errmsg + "\n\n" + "\n".join(missing)51    try:52        with open(cfgpath, "r") as cfgfile:53            parsed_cfg = json.loads(cfgfile.read())54            checks = []55            for probe in parsed_cfg["probes"]:56                checks.append(HealthCheck(57                    url=probe["url"],58                    period_sec=probe["period_sec"],59                    patterns=probe.get("patterns", []),60                    )61                )62            return checks, None63    except Exception as err:64        m = f"\nError reading/parsing configuration:'{cfgpath}':\n{err}\n"65        return None, m66def load_postgresql_config():67    """68    Loads postgresql related config from the environment.69    If any configuration is missing an informational string70    is returned as a second return value, it can be used to71    provide help to the caller.72    """73    missing = []74    uri = _load_from_env(75        "SPYGLASS_POSTGRESQL_URI",76        "URI used to connect on PostgreSQL",77        missing,78    )79    if missing != []:80        errmsg = "\nMissing environment variables for postgresql config:"81        return None, errmsg + "\n\n" + "\n".join(missing)82    return PostgreSQLConfig(uri=uri), None83def load_log_level():84    val = os.environ.get("SPYGLASS_LOG_LEVEL", "debug")85    return val.upper()86def _load_from_env(envvar, about, missing):87    val = os.environ.get(envvar)88    if val is None:89        missing.append(envvar + " : " + about)...

settings.py

Source:settings.py

...5BOT_DEFAULTS = {'polling_interval': 3, 'router_polling_period': 3}6RESIDENTS = ['json']7ALLOWED = ['users']8def get_router_settings():9    return _load_from_env('router', ROUTER_SETTINGS)10def get_bot_settings():11    return _load_from_env('bot', BOT_SETTINGS, **BOT_DEFAULTS)12def get_residents():13    data = _load_from_env('residents', RESIDENTS)14    return json.loads(data.get('json'))15def get_allowed_users():16    data = _load_from_env('allowed', ALLOWED)17    return json.loads(data.get('users'))18def get_log_format():19    return '%(asctime)s (%(filename)s:%(lineno)d %(threadName)s) %(levelname)s - %(name)s: "%(message)s"'20def _load_from_env(prefix, variable_names, **defaults):21    defaults = {} if defaults is None else defaults22    settings = {v: os.getenv(f'{prefix}_{v}'.upper()) for v in variable_names}23    for field in settings.keys():24        if settings.get(field) is None:25            default_value = defaults.get(field)26            if default_value is not None:27                settings[field] = default_value28            else:29                raise Exception(f'The required variable {field} is not set in environment')...

config.py

Source:config.py

...5        self.server_IP : str = "127.0.0.1"6        self.server_port : int = 67427        self.device_name : Optional[str] = None8        self.color_hue : int = 3509        self._load_from_env()10    def _load_from_env(self):11        # Get IP 12        ip = os.environ.get("IP")13        self.server_IP = self.server_IP if ip is None else ip14        # Get port15        port = os.environ.get("PORT")16        self.server_port = self.server_port if port is None else int(port)17        # Get device name18        device_name = os.environ.get("DEVICE_NAME")19        self.device_name = device_name20        # Get color Hue21        color_hue = os.environ.get("COLOR_HUE")...

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