class PipelineContainer(containers.DeclarativeContainer):
CONFIG_PATH = pkg_resources.resource_filename('hcpipeline', 'conf/')
config = providers.Configuration()
config.from_ini(CONFIG_PATH + 'pipeline_confg.ini')
@classmethod
def getSparkEnv(cls,config):
sparkenv = providers.Singleton(
SparkEnv,
spark_config = config.SPARK_CONFIG().items(),
spark_udf = config.SPARK_UDF().items(),
app_name = config.SPARK.app_name()
)
return sparkenv
log_config = providers.Callable(
fileConfig,
CONFIG_PATH + 'logging_config.ini')
log_config()
logger = providers.Singleton(
logging.Logger,
'hcapLogger')
extractor_factory = providers.AbstractFactory(AbstractExtractor)
operator_factory = providers.AbstractFactory(AbstractOperator)
writer_factory = providers.AbstractFactory(AbstractWriter)
metadata_factory = providers.AbstractFactory(AbstractMetadataPrep)
class MatrixContainer(containers.DeclarativeContainer):
config = providers.Configuration()
matrix_factory = providers.AbstractFactory(ABCMatrixFactory)
matrix_sequence_factory = providers.AbstractFactory(
ABCMatrixSequenceFactory)
shape_sequence_factory = providers.AbstractFactory(ABCShapeSequenceFactory)
generate_matrix_sequence = providers.Factory(
GenerateMatrixSequence, matrix_sequence_factory=matrix_sequence_factory, shape_sequence_factory=shape_sequence_factory)
def test_repr(self):
provider = providers.AbstractFactory(Example)
self.assertEqual(
repr(provider), '<dependency_injector.providers.'
'AbstractFactory({0}) at {1}>'.format(repr(Example),
hex(id(provider))))
class Container(containers.DeclarativeContainer):
cache_client_factory = providers.AbstractFactory(AbstractCacheClient)
service_factory = providers.Factory(
Service,
cache=cache_client_factory,
)
class MoviesModule(containers.DeclarativeContainer):
"""IoC container of movies module component providers."""
movie = providers.Factory(movies.models.Movie)
finder = providers.AbstractFactory(movies.finders.MovieFinder,
movie_model=movie.provider)
lister = providers.Factory(movies.listers.MovieLister, movie_finder=finder)
def test_abstract_factory_3_factory_kw_injections(self, providers):
"""Test factory with 3 keyword argument injections via factories."""
class A(object):
pass
class B(object):
pass
class C(object):
pass
class Test(object):
def __init__(self, a, b, c):
pass
a_factory = providers.Factory(A)
b_factory = providers.Factory(B)
c_factory = providers.Factory(C)
test_factory = providers.AbstractFactory(object)
test_factory.override(
providers.Factory(Test, a=a_factory, b=b_factory, c=c_factory))
for x in xrange(int(5000000 * self.duration_factor)):
test_factory()
def test_override_by_not_factory():
provider = providers.AbstractFactory(object)
with raises(errors.Error):
provider.override(providers.Callable(object))
def test_call_not_overridden():
provider = providers.AbstractFactory(object)
with raises(errors.Error):
provider()
def test_call_overridden_by_delegated_factory():
provider = providers.AbstractFactory(object)
provider.override(providers.DelegatedFactory(Example))
assert isinstance(provider(), Example)
def test_call_not_overridden(self):
provider = providers.AbstractFactory(object)
with self.assertRaises(errors.Error):
provider()
def test_inheritance():
assert isinstance(providers.AbstractFactory(Example), providers.Factory)
class Container(containers.DeclarativeContainer):
payment_service_factory = providers.AbstractFactory(
AbstractPayServiceProvider)
service_factory = providers.Factory(
PaymentService, payment_service_provider=payment_service_factory)
class MovieModuleContainer(containers.DeclarativeContainer):
# movie_model = providers.Factory(MovieModel)
movie_finder_abs = providers.AbstractFactory(MovieFinder,
model_name=MoviesModel)
lister = providers.Factory(MovieLister, movie_finder=movie_finder_abs)
"""`AbstractFactory` providers example."""
import cache
import dependency_injector.providers as providers
# Define abstract cache client factory:
cache_client_factory = providers.AbstractFactory(cache.AbstractCacheClient)
if __name__ == '__main__':
# Override abstract factory with redis client factory:
cache_client_factory.override(
providers.Factory(
cache.RedisCacheClient,
host='localhost',
port=6379,
db=0,
), )
redis_cache = cache_client_factory()
print(redis_cache)
# <cache.RedisCacheClient object at 0x10975bc50>
# Override abstract factory with memcache client factory:
cache_client_factory.override(
providers.Factory(
cache.MemcacheCacheClient,
hosts=['10.0.1.1', '10.0.1.2', '10.0.1.3'],
port=11211,
prefix='my_app',
), )
memcache_cache = cache_client_factory()
def test_provide_not_implemented():
provider = providers.AbstractFactory(Example)
with raises(NotImplementedError):
provider._provide(tuple(), dict())
def test_inheritance(self):
self.assertIsInstance(providers.AbstractFactory(Example),
providers.Factory)
def test_repr():
provider = providers.AbstractFactory(Example)
assert repr(provider) == ("<dependency_injector.providers."
"AbstractFactory({0}) at {1}>".format(
repr(Example), hex(id(provider))))
def test_call_overridden_by_factory(self):
provider = providers.AbstractFactory(object)
provider.override(providers.Factory(Example))
self.assertIsInstance(provider(), Example)
attributes4: Dict[str, Any] = provider4.attributes
# Test 5: to check the provided instance interface
provider5 = providers.Factory(Animal)
provided5: providers.ProvidedInstance = provider5.provided
attr_getter5: providers.AttributeGetter = provider5.provided.attr
item_getter5: providers.ItemGetter = provider5.provided["item"]
method_caller5: providers.MethodCaller = provider5.provided.method.call(
123, arg=324)
# Test 6: to check the DelegatedFactory
provider6 = providers.DelegatedFactory(Cat)
animal6: Animal = provider6(1, 2, 3, b="1", c=2, e=0.0)
# Test 7: to check the AbstractFactory
provider7 = providers.AbstractFactory(Animal)
provider7.override(providers.Factory(Cat))
animal7: Animal = provider7(1, 2, 3, b="1", c=2, e=0.0)
# Test 8: to check the FactoryDelegate __init__
provider8 = providers.FactoryDelegate(providers.Factory(object))
# Test 9: to check FactoryAggregate provider
provider9: providers.FactoryAggregate[str] = providers.FactoryAggregate(
a=providers.Factory(str, "str1"),
b=providers.Factory(str, "str2"),
)
factory_a_9: providers.Factory[str] = provider9.a
factory_b_9: providers.Factory[str] = provider9.b
val9: str = provider9("a")
import translators
import converters
import sys
import dependency_injector.providers as providers
if len(sys.argv) < 2:
print('usage: %s <number>' % sys.argv[0])
sys.exit(1)
number = sys.argv[1]
# Define abstract translator factory:
translator_factory = providers.AbstractFactory(translators.ITranslator)
# Define abstract converter factory:
converter_factory = providers.AbstractFactory(converters.INumeralConverter)
if __name__ == '__main__':
# Override abstract factory with CardinalTranslator factory:
translator_factory.override(
providers.Factory(translators.CardinalTranslator))
translator = translator_factory()
converter_factory.override(
providers.Factory(converters.ArabicToCardinalConverter,
translator=translator))
arabic_to_cardinal = converter_factory()
print(arabic_to_cardinal.convert(str(number)))