def __init__(self,
name,
*,
loop=None,
router=None,
middlewares=(),
logger=web.web_logger,
access_logger=None,
handler_factory=web.RequestHandlerFactory,
**OPTIONS):
"""Initialize the application."""
super().__init__(loop=loop,
router=router,
middlewares=middlewares,
logger=logger,
handler_factory=handler_factory)
self.name = name
self._error_handlers = {}
self._start_callbacks = []
# Overide options
self.defaults['CONFIG'] = OPTIONS.pop('CONFIG',
self.defaults['CONFIG'])
self.cfg.update(OPTIONS)
self._debug = self.cfg.DEBUG
# Setup logging
ch = logging.StreamHandler()
ch.setFormatter(
logging.Formatter(self.cfg.LOG_FORMAT, self.cfg.LOG_DATE_FORMAT))
self.logger.addHandler(ch)
self.logger.setLevel(self.cfg.LOG_LEVEL)
self.logger.name = 'muffin'
self.logger.propagate = False
self.access_logger = access_logger
LOGGING_CFG = self.cfg.get('LOGGING')
if LOGGING_CFG and isinstance(LOGGING_CFG, dict):
logging.config.dictConfig(LOGGING_CFG)
# Setup CLI
self.manage = Manager(self)
# Setup static files
if isinstance(self.cfg.STATIC_FOLDERS, str):
self.cfg.STATIC_FOLDERS = [self.cfg.STATIC_FOLDERS]
elif not isinstance(self.cfg.STATIC_FOLDERS, list):
self.cfg.STATIC_FOLDERS = list(self.cfg.STATIC_FOLDERS)
# Setup plugins
self.plugins = self.ps = LStruct()
for plugin in self.cfg.PLUGINS:
try:
self.install(plugin)
except Exception as exc: # noqa
self.logger.error('Plugin is invalid: %s', plugin)
self.logger.exception(exc)
def test_struct():
from muffin.utils import Struct, LStruct
data = Struct({'test': 42})
assert data.test == 42
data.test = 21
assert data.test == 21
settings = LStruct({'option': 'value'})
assert settings.option == 'value'
settings.option2 = 'value2'
settings.lock()
settings.lock()
with pytest.raises(RuntimeError):
settings.test = 42
def cfg(self):
""" Load the application configuration. """
config = LStruct(self.defaults)
module = config['CONFIG'] = os.environ.get(
CONFIGURATION_ENVIRON_VARIABLE, config['CONFIG'])
if module:
try:
module = import_module(module)
config.update({
name: getattr(module, name) for name in dir(module)
if name == name.upper() and not name.startswith('_')
})
except ImportError:
config.CONFIG = None
self.register_on_start(
lambda app: app.logger.warn("The configuration hasn't found: %s" % module))
return config
def cfg(self):
"""Load the application configuration.
This method loads configuration from python module.
"""
config = LStruct(self.defaults)
module = config['CONFIG'] = os.environ.get(
CONFIGURATION_ENVIRON_VARIABLE, config['CONFIG'])
if module:
try:
module = import_module(module)
config.update({
name: getattr(module, name) for name in dir(module)
if name == name.upper() and not name.startswith('_')
})
except ImportError as exc:
config.CONFIG = None
message = "Error importing %s: %s" % (module, exc)
self.register_on_start(lambda app: app.logger.error(message))
return config
def test_struct():
from muffin.utils import Struct, LStruct
data = Struct({'test': 42})
assert data.test == 42
data.test = 21
assert data.test == 21
settings = LStruct({'option': 'value'})
assert settings.option == 'value'
settings.option2 = 'value2'
settings.freeze()
settings.freeze()
with pytest.raises(RuntimeError):
settings.test = 42
def __init__(self, **options):
"""Save application and create he plugin's configuration."""
self.app = None
self.config = self.cfg = LStruct(options)
def __init__(self, app=None, **options):
"""Save application and create he plugin's configuration."""
self.config = self.cfg = LStruct(options)
self.app = app
if app is not None:
app.install(self)
