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How to use load_from_environment method in localstack

Best Python code snippet using localstack_python

test_settings.py

...36    os.environ['SETTING__PYMAID__FLOAT'] = 'float::5.13543512414351235'37    os.environ['SETTING__PYMAID__BOOL'] = 'bool::False'38    os.environ['SETTING__PYMAID__DICT'] = 'dict::{"age": 18}'39    os.environ['SETTING__PYMAID__LIST'] = 'list::[1, 2, 3]'40    settings.load_from_environment(prefix='SETTING__')41    assert settings.get('NOT_EXIST', ns='pymaid') == 'noway'42    assert settings.get('NOT_EXIST', default='what') == b'noway'43    assert settings.get('MAX_TASKS', ns='pymaid') == 12844    assert abs(settings.get('FLOAT', ns='pymaid') - 5.13543512414351235) < 1e-6  # noqa45    assert settings.get('BOOL', ns='pymaid') is False46    assert settings.get('DICT', ns='pymaid') == {'age': 18}47    assert settings.get('LIST', ns='pymaid') == [1, 2, 3]48def test_load_env_bad_cases():49    # wrong prefix50    settings.namespaces.clear()51    os.environ['SETTING__PYMAID__LIST'] = 'list::[1, 2, 3]'52    with pytest.raises(ValueError):53        settings.load_from_environment(prefix='SETTING_')54    assert settings.get('LIST', ns='pymaid') is None55    assert not settings.namespaces56    os.environ.clear()57    with pytest.raises(ValueError):58        settings.load_from_environment(prefix='SETTING___')59    assert settings.get('LIST', ns='pymaid') is None60    assert not settings.namespaces61    # wrong namespace62    os.environ['SETTING___PYMAID__LIST'] = 'list::[1, 2, 3]'63    settings.load_from_environment(prefix='SETTING__')64    assert settings.get('LIST', ns='pymaid') is None65    assert not settings.namespaces66    # wrong key67    os.environ['SETTING__PYMAID___LIST'] = 'list::[1, 2, 3]'68    settings.load_from_environment(prefix='SETTING__')69    assert settings.get('LIST', ns='pymaid') is None70    assert not settings.namespaces71    # wrong value format72    os.environ['SETTING__PYMAID__LIST'] = '[1, 2, 3]'73    with pytest.raises(ValueError):74        settings.load_from_environment(prefix='SETTING__')75    assert settings.get('LIST', ns='pymaid') is None76    assert not settings.namespaces77    os.environ['SETTING__PYMAID__LIST'] = 'list:[1, 2, 3]'78    with pytest.raises(ValueError):79        settings.load_from_environment(prefix='SETTING__')80    assert settings.get('LIST', ns='pymaid') is None81    assert not settings.namespaces82    # wrong value type83    os.environ['SETTING__PYMAID__LIST'] = 'what_type::[1, 2, 3]'84    with pytest.raises(ValueError):85        settings.load_from_environment(prefix='SETTING__')86    assert settings.get('LIST', ns='pymaid') is None87    assert not settings.namespaces88    # wrong type::value89    os.environ['SETTING__PYMAID__LIST'] = 'int::[1, 2, 3]'90    with pytest.raises(ValueError):91        settings.load_from_environment(prefix='SETTING__')92    assert settings.get('LIST', ns='pymaid') is None93    assert not settings.namespaces94def test_dot_get():95    assert settings.pymaid.DEBUG == defaults.DEBUG96    # not exists namespace97    with pytest.raises(AttributeError):98        settings.what99    # not exists key100    with pytest.raises(AttributeError):101        settings.pymaid.what102def test_dot_set():103    assert settings.pymaid.MAX_TASKS == defaults.MAX_TASKS104    settings.pymaid.MAX_TASKS += 1105    assert settings.pymaid.MAX_TASKS == defaults.MAX_TASKS + 1...

application_config.py

Source: application_config.py

...18        try:19            config.update(yaml.load(stream, Loader=yaml.Loader))20        except yaml.YAMLError as e:21            raise Exception("Error parsing config file", e)22def load_from_environment():23    for property in properties:24        if property in os.environ:25            config[property] = os.environ[property]26def load_configs():27    load_defaults()28    load_config_file()29    load_from_environment()30def __get_next_config(path: list, tree_config: dict):31    if path is None or len(path) == 0:32        return None33    current_config_key = path[0]34    if current_config_key not in tree_config:35        return None36    current_config_value = tree_config[current_config_key]37    next_path = path.copy()38    next_path.remove(current_config_key)39    if len(next_path) == 0:40        return current_config_value41    return __get_next_config(next_path, current_config_value)42def get_config(path: list) -> dict:43    return __get_next_config(path, config)...

application.py

Source: application.py

...3from sqlalchemy.ext.asyncio import AsyncEngine, create_async_engine4from falert.backend.common.configuration import Configuration, load_from_environment5class BaseApplication:6    def __init__(self):7        self.__configuration = load_from_environment()8        self.__engine = create_async_engine(9            self.__configuration.database_url,10            echo=self.__configuration.database_echo,11        )12        self.__logger = getLogger(None)13        basicConfig()14        self.__logger.setLevel(DEBUG)15    @property16    def _configuration(self) -> Configuration:17        return self.__configuration18    @property19    def _engine(self) -> AsyncEngine:20        return self.__engine21    @property...

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