def initialize(self, request, connectors):
# Install the WSGI interception layer.
install()
# Unload django.
for module in list(sys.modules.keys()):
if module and 'django' in module:
del sys.modules[module]
# Reset and clear all global cache in armet.
from armet import decorators
decorators._resources = {}
# decorators._handlers = {}
armet.use.config = {}
# Re-initialize the configuration.
armet.use(connectors=connectors, debug=True)
prefix = 'tests.armet.connectors.'
callback = None
if 'model' in connectors:
# Initialize the database access layer.
model = import_module(prefix + connectors['model'])
callback = model.model_setup
# Add the models module so that it can be generically imported.
sys.modules[prefix + 'models'] = model
# Initialize the http access layer.
http = import_module(prefix + connectors['http'])
http.http_setup(connectors, self.host, self.port, callback=callback)
# Add a finalizer to teardown the http layer.
request.addfinalizer(lambda: http.http_teardown(self.host, self.port))
def model_setup():
# Initialize the database and create all models.
Base.metadata.drop_all(engine)
Base.metadata.create_all(engine)
# Load the data fixture.
_load_fixture(os.path.join(os.path.dirname(__file__), 'data.json'))
# Configure armet and provide the session factory.
armet.use(Session=Session)
def __new__(cls, name, bases, attrs):
if not cls._is_resource(name, bases):
# This is not an actual resource.
return super(ResourceBase, cls).__new__(cls, name, bases, attrs)
# Gather the attributes of all options classes.
# Start with the base configuration.
metadata = armet.use().copy()
values = lambda x: {n: getattr(x, n) for n in dir(x)}
# Expand the options class with the gathered metadata.
base_meta = []
cls._gather_metadata(base_meta, bases)
# Apply the configuration from each class in the chain.
for meta in base_meta:
metadata.update(**values(meta))
cur_meta = {}
if attrs.get('Meta'):
# Apply the configuration from the current class.
cur_meta = values(attrs['Meta'])
metadata.update(**cur_meta)
# Gather and construct the options object.
meta = attrs['meta'] = cls.options(metadata, name, cur_meta, base_meta)
# Apply the found connectors.
bases = apply_connectors(meta, name, bases, metadata, base_meta)
# Construct the class object.
self = super(ResourceBase, cls).__new__(cls, name, bases, attrs)
# Generate a serializer map that maps media ranges to serializer
# names.
self._serializer_map = smap = {}
for key in self.meta.allowed_serializers:
serializer = self.meta.serializers[key]
for media_type in serializer.media_types:
smap[media_type] = key
# Generate a deserializer map that maps media ranges to deserializer
# names.
self._deserializer_map = dmap = {}
for key in self.meta.allowed_deserializers:
deserializer = self.meta.deserializers[key]
for media_type in deserializer.media_types:
dmap[media_type] = key
# Filter the available connectors according to the
# metaclass restriction set.
for key in list(meta.connectors.keys()):
if key not in cls.connectors:
del meta.connectors[key]
# Return the constructed instance.
return self
def configure(application):
# Gather configuration from the application config.
store = {}
get = partial(_get_config, store, application)
get('debug', default=False)
connector = 'alchemist_armet'
get('connectors', default={'http': connector, 'model': connector})
get('trailing_slash', default=True)
get('http_exposed_headers')
get('http_allowed_origins')
get('legacy_redirect')
get('serializers')
get('allowed_serializers')
get('default_serializer')
get('deserializers')
get('allowed_deserializers')
get('authentication')
get('authorization')
# Apply configuration.
armet.use(**store)
def initialize(self, request, connectors):
# Install the WSGI interception layer.
install()
# Unload django.
for module in list(sys.modules.keys()):
if module and 'django' in module:
del sys.modules[module]
# Reset and clear all global cache in armet.
from armet import decorators
decorators._resources = {}
# decorators._handlers = {}
armet.use.config = {}
# Re-initialize the configuration.
armet.use(connectors=connectors, debug=True)
prefix = 'tests.connectors.'
callback = None
if 'model' in connectors:
# Initialize the database access layer.
model = import_module(prefix + connectors['model'])
callback = model.model_setup
# Add the models module so that it can be generically imported.
sys.modules[prefix + 'models'] = model
request.cls.models = model
# Initialize the http access layer.
http = import_module(prefix + connectors['http'])
http.http_setup(connectors, self.host, self.port, callback=callback)
# Add a finalizer to teardown the http layer.
request.addfinalizer(lambda: http.http_teardown(self.host, self.port))
def __new__(cls, name, bases, attrs):
if not cls._is_resource(name, bases):
# This is not an actual resource.
return super(ResourceBase, cls).__new__(cls, name, bases, attrs)
# Gather the attributes of all options classes.
# Start with the base configuration.
metadata = armet.use().copy()
values = lambda x: {n: getattr(x, n) for n in dir(x)}
# Expand the options class with the gathered metadata.
base_meta = []
cls._gather_metadata(base_meta, bases)
# Apply the configuration from each class in the chain.
for meta in base_meta:
metadata.update(**values(meta))
cur_meta = {}
if attrs.get('Meta'):
# Apply the configuration from the current class.
cur_meta = values(attrs['Meta'])
metadata.update(**cur_meta)
# Gather and construct the options object.
meta = attrs['meta'] = cls.options(metadata, name, cur_meta, base_meta)
# Construct the class object.
self = super(ResourceBase, cls).__new__(cls, name, bases, attrs)
# Generate a serializer map that maps media ranges to serializer
# names.
self._serializer_map = smap = {}
for key in self.meta.allowed_serializers:
serializer = self.meta.serializers[key]
for media_type in serializer.media_types:
smap[media_type] = key
# Generate a deserializer map that maps media ranges to deserializer
# names.
self._deserializer_map = dmap = {}
for key in self.meta.allowed_deserializers:
deserializer = self.meta.deserializers[key]
for media_type in deserializer.media_types:
dmap[media_type] = key
# Filter the available connectors according to the
# metaclass restriction set.
for key in list(meta.connectors.keys()):
if key not in cls.connectors:
del meta.connectors[key]
# Iterate through the available connectors.
iterator = six.iteritems(meta.connectors)
self.connectors = connectors = []
cmap = CONNECTORS
for key, ref in iterator:
options = utils.import_module(cmap[key]['options'][0].format(ref))
if options:
options = getattr(options, cmap[key]['options'][1], None)
if options:
# Available options to parse for this connector;
# instantiate the options class and apply all
# available options.
options_instance = options(metadata, name, base_meta)
meta.__dict__.update(**options_instance.__dict__)
module = utils.import_module(cmap[key]['resource'][0].format(ref))
if module:
klass = getattr(module, cmap[key]['resource'][1], None)
if klass:
# Found a connector class for this connector
connectors.append(klass)
# Return the constructed instance.
return self
