def test_run():
obj_graph = pinject.new_object_graph(modules=None, classes=[SomeClass])
with pytest.raises(pinject.NothingInjectableForArgError):
obj_graph.provide(SomeClass)
obj_graph = pinject.new_object_graph(modules=None, classes=[SomeClass, Foo])
some_class = obj_graph.provide(SomeClass)
assert some_class
assert some_class.foo
def init_object_graph(self, config):
self.app_binding_spec = AppBindingSpec(config)
specs = [bs() for bs in BindingSpecMountPoint.plugins]
specs.append(self.app_binding_spec)
object_graph = new_object_graph(binding_specs=specs)
self.app_binding_spec.add_object_graph(object_graph)
return object_graph
def create_dependencies(config, log):
flags = {"debug": config.get("debug")}
class FlagsBindingSpec(BindingSpec):
def configure(self, bind):
bind("flags", to_instance=flags)
class LogBindingSpec(BindingSpec):
def configure(self, bind):
bind("log", to_instance=log)
binding_specs = [FlagsBindingSpec(), LogBindingSpec()]
classes = [
App,
AppHandlers,
AppSettings,
Lifecycle,
]
obj_graph = new_object_graph(modules=None,
classes=classes,
binding_specs=binding_specs)
return obj_graph.provide(Dependencies)
def process_order_di():
obj_graph = pinject.new_object_graph(
binding_specs=[OrderContextBindingSpec()])
order_service = obj_graph.provide(OrderService)
order = Order("order-123")
order_service.process_order(order)
def cli(**kwargs):
"""
Build system for the OLinuXino boards
\f
:param kwargs:
:return:
"""
# Check for package version
if kwargs['version']:
print("olimage: {}".format(olimage.__version__))
sys.exit(0)
# Update environment
environment.options.update(kwargs)
if kwargs['output']:
environment.paths['output'] = kwargs['output']
prepare_logging()
prepare_tree()
# Initialize the object graph
environment.obj_graph = pinject.new_object_graph()
def create(self, date_list):
class TestSymbolSources(SymbolSources):
def __init__(self):
self.values = pd.DataFrame({
'close':
np.linspace(start=1., stop=100., num=len(date_list)),
'date':
date_list
})
@property
def sources(self):
return [
SingleFinancialSymbolSource(
namespace='test_ns',
name='test',
values_fetcher=lambda: self.values,
security_type=SecurityType.STOCK_ETF,
start_period=pd.Period(self.values['date'].min(),
freq='D'),
end_period=pd.Period(self.values['date'].max(),
freq='D'),
period=Period.DAY,
currency=Currency.RUB)
]
class BindingSpec(pinject.BindingSpec):
def configure(self, bind):
bind('symbol_sources', to_class=TestSymbolSources)
obj_graph = pinject.new_object_graph(binding_specs=[BindingSpec()])
yapo_instance = obj_graph.provide(y.Yapo)
return yapo_instance
def main():
cfg = Configuration()
init_logging(cfg)
init_k8s_client(cfg)
log = logging.getLogger(__name__)
signal.signal(signal.SIGUSR2, thread_dump_logger(log))
try:
log.info(
"fiaas-deploy-daemon starting with configuration {!r}".format(cfg))
binding_specs = [
MainBindings(cfg),
DeployerBindings(),
K8sAdapterBindings(),
WebBindings(),
SpecBindings(),
PipelineBindings() if not cfg.disable_pipeline_consumer
and cfg.has_service("kafka_pipeline") else FakeConsumerBindings(),
CustomResourceDefinitionBindings() if cfg.enable_crd_support else
DisabledCustomResourceDefinitionBindings(),
UsageReportingBindings(),
]
obj_graph = pinject.new_object_graph(modules=None,
binding_specs=binding_specs)
obj_graph.provide(Main).run()
except BaseException:
log.exception(
"General failure! Inspect traceback and make the code better!")
def make_object_graph(cls, commands):
bindings = []
goals = []
reporters = []
for command in commands:
bindings.extend(command.get("bindings", []))
goals.extend(command.get("goals", []))
reporters.extend(command.get("reporters", []))
bindings.append(ListBindingSpec("goals", goals))
bindings.append(
ListBindingSpec("reporters", reporters
or [flatsurvey.reporting.Log]))
from random import randint
bindings.append(FactoryBindingSpec("lot", lambda: randint(0, 2**64)))
return pinject.new_object_graph(
modules=[
flatsurvey.reporting,
flatsurvey.surfaces,
flatsurvey.jobs,
flatsurvey.cache,
],
binding_specs=bindings,
)
def test_to_instance():
""" Tim: Demonstrate that the same data structure is shared across all
instances of SomeClass.foo."""
obj_graph = pinject.new_object_graph(binding_specs=[MyBindingSpec()])
some_class1 = obj_graph.provide(SomeClass)
some_class2 = obj_graph.provide(SomeClass)
some_class1.foo['C'] = 67
assert some_class2.foo['C'] == 67
def main():
logging.basicConfig(
format='%(asctime)s [ %(name)20s ]\t%(levelname)7s\t%(message)s')
logging.root.setLevel(logging.INFO)
obj_graph = pinject.new_object_graph(binding_specs=[RootModuleSpec()],
modules=[systems, states])
obj_graph.provide(MainGame)
def test():
obj_graph = pinject.new_object_graph(
binding_specs=[SomeBindingSpec()],
only_use_explicit_bindings=True)
with pytest.raises(pinject.NonExplicitlyBoundClassError):
obj_graph.provide(ImplicitlyBoundClass)
some_class = obj_graph.provide(ExplicitlyBoundClass)
assert some_class.foo
def DeleteUserData(self, id):
obj_graph = pinject.new_object_graph(
binding_specs=[UserServiceBindingSpec()])
service: UserService = obj_graph.provide(UserServiceImp)
if service.deleteUser(id):
return make_response({"status": "success"}, 200)
return make_response({"status": "failed"}, 422)
def web_graph(*extra_specs):
req_scope_module = request_scope.RequestScopeModule()
specs = [req_scope_module,
WebModule(req_scope_module.middleware),
db.DbModule()] + list(extra_specs)
return pinject.new_object_graph(
binding_specs=specs,
id_to_scope=req_scope_module.id_to_scope,
is_scope_usable_from_scope=req_scope_module.is_usable
)
def obj_graph() -> ObjectGraphWrapper:
global _obj_graph
if _obj_graph is None:
pinject_imports()
pinject_obj_graph = pinject.new_object_graph(
binding_specs=(DjangoProjectBindingSpec(), ))
_obj_graph = ObjectGraphWrapper(pinject_obj_graph)
return _obj_graph
def main():
obj_graph = pinject.new_object_graph()
logging.warn("Creating iterator")
iterator = obj_graph.provide(
filereader.WindowIterator).configure('gutenberg/1/0/1/1016', 5)
logging.warn("Creating vocab")
vocab = IteratorAndVocab(iterator)
logging.warn("Creating ae")
ae = Autoencoder(500, 10000, 500)
logging.warn("Training step")
ae.train(vocab)
def handle(self, *args, **options):
if len(args) == 0:
print "Error! Please provide feed name in the first argument!"
return
use_cache = not options['nocache']
obj_graph = pinject.new_object_graph()
clazz = self.get_class_by_feedname(args[0])
if clazz is not None:
feed = obj_graph.provide(clazz)
feed.gen_XML(use_cache)
else:
print "Feed name '%s' is not found" % args[0]
def create():
data = request.json
email = data["email"]
name = data["name"]
obj_graph = pinject.new_object_graph(
modules=None, classes=[UserController, UserRepository])
user_controller = obj_graph.provide(UserController)
result = user_controller.create_user({"email": email, "name": name})
return handle_result(result)
def addUserProfileData(self):
name = self.req.form['name']
username = self.req.form['username']
password = self.req.form['password']
profilePicture = self.req.files['profile_picture']
obj = pinject.new_object_graph(
binding_specs=[UserDataServiceBinding()])
service: UserDataService = obj.provide(UserDataServiceImp)
if service.addUser(name, username, password, profilePicture):
return make_response({"status": "success"}, 200)
return make_response({"status": "failed"}, 422)
def test__search_exact_finsym():
qry = 'micex/SBER'
obj_graph = pinject.new_object_graph(binding_specs=[lib.BindingSpec()])
search_instance = obj_graph.provide(_Search)
r = search_instance._check_finsym_access(query=qry)
assert_that(r, not_none())
assert r.identifier_str == 'micex/SBER'
rs = lib.search(query=qry)
assert_that(rs, has_length(1))
assert rs[0].identifier_str == 'micex/SBER'
def UpdateUserData(self, id):
name = self.req.form['name']
email = self.req.form['email']
shirtSize = self.req.form['shirt_size']
obj_graph = pinject.new_object_graph(
binding_specs=[UserServiceBindingSpec()])
service: UserService = obj_graph.provide(UserServiceImp)
if service.updateUser(id, name, email, shirtSize):
return make_response({"status": "success"}, 200)
return make_response({"status": "failed"}, 422)
def login(self):
username = self.req.form['username']
password = self.req.form['password']
obj = pinject.new_object_graph(
binding_specs=[UserDataServiceBinding()])
service: UserDataService = obj.provide(UserDataServiceImp)
try:
token = service.validateUser(username, password)
except:
return make_response({"status": "failed"}, 401)
return make_response({"status": "success", "token": token}, 200)
def object_graph(self):
"""
:type
Returns:
"""
og = pinject.new_object_graph(binding_specs=self._binding_specs, modules=list(self._modules), classes=self._classes)
def call_with_injection(self, fn, *direct_pargs, **direct_kwargs):
return self._obj_provider.call_with_injection(fn, self._injection_context_factory.new(fn), direct_pargs, direct_kwargs)
def provide_class(self, clazz, *args, **kwargs):
isclass = inspect.isclass(clazz)
assert isclass
arg_binding_key = arg_binding_keys.new(convert(clazz.__name__))
injection_context = self._injection_context_factory.new(clazz.__init__)
super_classes = [c for c in inspect.getmro(clazz) if (inspect.isclass(c) and inspect.ismethod(c.__init__))]
super_kwargs = dict()
for c in super_classes:
print c, inspect.isclass(c)
__, k = self._obj_provider.get_injection_pargs_kwargs(c.__init__, injection_context, (), {})
super_kwargs.update(k)
super_kwargs.update(kwargs)
c = self._obj_provider.provide_from_arg_binding_key(clazz, arg_binding_key, injection_context, pargs=args, kwargs=super_kwargs)
return c #self._obj_provider.provide_class(c, injection_context, direct_init_pargs=args, direct_init_kwargs=kwargs)
def inject_method(self, fn, *args, **kwargs):
isclass = inspect.isclass(fn)
fn_to_call = fn.__init__ if isclass else fn
injection_context = self._injection_context_factory.new(fn_to_call)
pargs, kwargs = self._obj_provider.get_injection_pargs_kwargs(fn_to_call, injection_context, args, kwargs)
log.info("Injecting %s" % str(fn))
log.info("pargs %s" % str(pargs))
log.info("kwargs %s" % str(kwargs))
return functools.partial(fn, *pargs, **kwargs)
## MONKEY PATCHING HAHAHAHA
monkey_patch_instance(og, 'call_with_injection', call_with_injection)
monkey_patch_instance(og, 'inject_method', inject_method)
monkey_patch_instance(og, 'provide_class', provide_class)
self._object_graph_initialised = True
return og
def main():
parser = argparse.ArgumentParser()
parser.add_argument("-p", "--port", type=int, default=13337)
parser.add_argument("--debug",
action="store_true",
help="Enable debug features")
args = parser.parse_args()
loglevel = logging.INFO
if args.debug:
loglevel = logging.DEBUG
logging.basicConfig(level=loglevel)
obj_graph = pinject.new_object_graph(
modules=None, binding_specs=[ObjectGraph(args.port, args.debug)])
game_server = obj_graph.provide(GameServer)
game_server.run()
def main(argv):
"""Program entry point.
:param argv: command-line arguments
:type argv: :class:`list`
"""
# Setup pinject.
obj_graph = pinject.new_object_graph(binding_specs=[IbsubBindingSpec()])
# TODO Not the cleanest solution.
ibsub.obj_graph = obj_graph
# Setup signal handlers.
_install_sigint_handler()
# Run pinject-provided main.
return obj_graph.provide(Main)(argv)
def main(argv):
"""Program entry point.
:param argv: command-line arguments
:type argv: :class:`list`
"""
# Setup pinject.
obj_graph = pinject.new_object_graph(binding_specs=[IbsubBindingSpec()])
# TODO Not the cleanest solution.
ibsub.obj_graph = obj_graph
# Setup signal handlers.
_install_sigint_handler()
# Run pinject-provided main.
return obj_graph.provide(Main)(argv)
def main():
obj_graph = pinject.new_object_graph(binding_specs=[SomeBindingSpec()])
service = obj_graph.provide(ExecuterService)
response = service.execute()
assert isinstance(service, ExecuterService)
assert isinstance(service.settings, Settings)
assert isinstance(service.service, BookService)
assert isinstance(service.service.settings, Settings)
assert isinstance(service.service.service, OrderService)
assert isinstance(service.service.service.settings, Settings)
assert "Hello from .env file" == response
assert service.settings is service.service.settings
assert service.settings is service.service.service.settings
print(response)
def main():
cfg = Configuration()
init_logging(cfg)
init_k8s_client(cfg)
log = logging.getLogger(__name__)
try:
log.info("fiaas-deploy-daemon starting with configuration {!r}".format(cfg))
binding_specs = [
MainBindings(cfg),
DeployerBindings(),
K8sAdapterBindings(),
SpecBindings(),
]
obj_graph = pinject.new_object_graph(modules=None, binding_specs=binding_specs)
obj_graph.provide(Main).run()
except BaseException:
log.exception("General failure! Inspect traceback and make the code better!")
sys.exit(1)
def __init__(self, config, exclude_injectable_module_paths):
self.config = config
self._instance_bindings = {
o['name']: locate(o['path'])(**(o.get('options', {}))) for o in config['dart'].get('app_context', [])
}
self._instance_bindings.update({'dart_config': config})
this_dir = os.path.dirname(os.path.abspath(__file__))
dart_src_root = os.path.abspath(os.path.join(this_dir, '..', '..'))
self.obj_graph = pinject.new_object_graph(
modules=None,
classes=find_injectable_classes([dart_src_root], exclude_injectable_module_paths or []),
binding_specs=[DartBindingSpec(self._instance_bindings)]
)
for obj in config['dart'].get('app_context', []):
instance = self._instance_bindings[obj['name']]
if hasattr(instance, 'set_app_context'):
instance.set_app_context(self)
def __init__(self, config, exclude_injectable_module_paths):
self.config = config
self._instance_bindings = {
o['name']: locate(o['path'])(**(o.get('options', {})))
for o in config['dart'].get('app_context', [])
}
self._instance_bindings.update({'dart_config': config})
this_dir = os.path.dirname(os.path.abspath(__file__))
dart_src_root = os.path.abspath(os.path.join(this_dir, '..', '..'))
self.obj_graph = pinject.new_object_graph(
modules=None,
classes=find_injectable_classes([dart_src_root],
exclude_injectable_module_paths
or []),
binding_specs=[DartBindingSpec(self._instance_bindings)])
for obj in config['dart'].get('app_context', []):
instance = self._instance_bindings[obj['name']]
if hasattr(instance, 'set_app_context'):
instance.set_app_context(self)
def get_obj_graph():
_global = managers+ \
handlers+ \
[SwitchSNMPNetworkManager, ElasticSearchRepository]+ \
[TransactionSQLRepository, AccountTypeSQLRepository, AccountSQLRepository, PaymentMethodSQLRepository, CashboxSQLRepository, ProductSQLRepository]+ \
[MemberSQLRepository, MembershipSQLRepository, MailinglistSQLReposiroty, CharterSQLRepository] + \
[DeviceSQLRepository, IPSQLAllocator] + \
[PingSQLRepository, VLANSQLRepository, RoomSQLRepository] + \
[PortSQLRepository, SwitchSQLRepository] + \
[RoleSQLRepository, ApiKeySQLRepository]
_base_interfaces = [
abc.ABC,
CRUDManager,
CRUDRepository,
DefaultHandler,
object
]
def get_base_class(cls):
if len(cls.__bases__) == 0 or set(_base_interfaces)&set(cls.__bases__):
return cls
return get_base_class(cls.__bases__[0])
_class_name_to_abstract = {
cls.__name__: get_base_class(cls) for cls in _global
}
def get_arg_names(class_name):
if class_name in _class_name_to_abstract:
class_name = _class_name_to_abstract[class_name].__name__
return pinject.bindings.default_get_arg_names_from_class_name(class_name)
return pinject.new_object_graph(
modules=None,
classes=_global,
get_arg_names_from_class_name=get_arg_names
)
class EventSubscriberSpec(pinject.BindingSpec):
def configure(self, bind):
subscriber_config = CONFIG["ports"]["event_subscriber"]
consumer = KafkaConsumer(subscriber_config["topic"],
bootstrap_servers=subscriber_config["server"])
bind(
"subscriber",
to_instance=adapters.KafkaEventSubscriber(consumer=consumer),
)
object_graph = pinject.new_object_graph(
modules=None,
binding_specs=[
EventPublisherSpec(),
RequesterSpec(),
ChecksReponsitorySpec(),
EventSubscriberSpec(),
],
)
class Application:
check_availability: CheckAvailability
collect_check_results: CollectCheckResults
def __init__(self):
self.check_availability = object_graph.provide(CheckAvailability)
self.collect_check_results = object_graph.provide(CollectCheckResults)
def test_new_object_graph_works(self):
class SomeClass(object):
pass
obj_graph = pinject.new_object_graph(classes=[SomeClass])
self.assertIsInstance(obj_graph.provide(SomeClass), SomeClass)
def main():
obj_graph = pinject.new_object_graph()
greeting = obj_graph.provide(Greeting)
print greeting.say_hello("Todd")
from pinject import new_object_graph from service.config import ConfigService obj_graph = new_object_graph(modules=None, classes=[ConfigService]) config_service = obj_graph.provide(ConfigService)
import pinject
from boto3.dynamodb.conditions import Key
from sutd.trivia_bot.common.bindings import ALL_BINDINGS
from sutd.trivia_bot.common.database import QuestionRepository
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from typing import List
import sutd.trivia_bot.common.database
import sutd.trivia_bot.common.quizzer
OBJ_GRAPH = pinject.new_object_graph(
modules=[sutd.trivia_bot.common.database, sutd.trivia_bot.common.quizzer],
binding_specs=ALL_BINDINGS,
)
def lambda_handler(event, context):
sample_question_ids: List[str] = event["sample_question_ids"]
already_asked: List[str] = event["already_asked"]
not_yet_asked = list(set(sample_question_ids) - set(already_asked))
question_repository: QuestionRepository = OBJ_GRAPH.provide(
QuestionRepository)
question_id_to_ask = random.choice(not_yet_asked)
question_to_ask = question_repository.find(question_id_to_ask)
def handle(self, *args, **options):
use_cache = not 'nocache' in args
obj_graph = pinject.new_object_graph()
feed = obj_graph.provide(YandexXML)
feed.gen_XML(use_cache)
class BindingSpec(pinject.BindingSpec):
def configure(self, bind):
bind('symbol_sources', to_class=AllSymbolSources)
obj_graph = pinject.new_object_graph(
binding_specs=[BindingSpec()],
modules=[
cifrum.common,
cifrum._index,
cifrum._portfolio,
cifrum._sources.registries,
cifrum._sources.all_sources,
cifrum._sources.base_classes,
cifrum._sources.inflation_source,
cifrum._sources.micex_stocks_source,
cifrum._sources.moex_indexes_source,
cifrum._sources.mutru_funds_source,
cifrum._sources.okama_source,
cifrum._sources.single_financial_symbol_source,
cifrum._sources.us_data_source,
cifrum._sources.yahoo_indexes_source,
cifrum._portfolio.currency,
cifrum._portfolio.portfolio,
cifrum._search,
])
cifrum_instance = obj_graph.provide(Cifrum)
information = cifrum_instance.information
portfolio = cifrum_instance.portfolio
portfolio_asset = cifrum_instance.portfolio_asset
import pinject
class OuterClass(object):
def __init__(self, inner_class):
self.inner_class = inner_class
pass
class InnerClass(object):
def __init__(self):
self.forty_two = 42
pass
obj_graph = pinject.new_object_graph()
outer_class = obj_graph.provide(OuterClass)
print outer_class.inner_class.forty_two
def __init__(self, config):
super(Daemon, self).__init__(config)
self.set_logger_name("daemon")
self.__runtime = pinject.new_object_graph().provide(Runtime)
def test():
obj_graph = pinject.new_object_graph(binding_specs=[BindingSpecTwo()])
class_two = obj_graph.provide(ClassTwo)
assert class_two.foobar == 'foo--bar'
class ShortBindingSpec(pinject.BindingSpec):
def provide_data_store(self, config):
return redis.Redis(config.get('host'), config.get('port'))
def provide_config(self):
# fetch config from file
return {'host': '127.0.0.1', 'port': 6379}
if __name__ == '__main__':
logging.basicConfig(level=logging.DEBUG)
# not satisfied with this API yet
graph = pinject.new_object_graph(binding_specs=[ShortBindingSpec()])
short_endpoint = graph.provide(ShorteningEndpoint)
root_router = Router([
Route('/', short_endpoint, 'index', methods=['GET']),
Route('/', short_endpoint, 'new_url', methods=['POST']),
Route('/<short_id>\+', short_endpoint, 'details'),
Route('/<short_id>', short_endpoint, 'follow_url'),
])
app_container = AppContainer(root_router)
from werkzeug.serving import run_simple
run_simple('127.0.0.1', 5000, app_container.wsgi_app, use_reloader=True,
use_debugger=True)
import pinject
from sutd.trivia_bot.common.models import Question
from sutd.trivia_bot.common.database import QuestionRepository
from sutd.trivia_bot.common.bindings import ALL_BINDINGS
from sutd.trivia_bot.data.mcq import questions as mcq_questions
from sutd.trivia_bot.data.open import questions as open_questions
if __name__ == "__main__":
OBJ_GRAPH = pinject.new_object_graph(modules=None,
binding_specs=ALL_BINDINGS)
question_repository: QuestionRepository = OBJ_GRAPH.provide(
QuestionRepository)
# delete all questions
question_repository.truncate()
for i, mcq_question in enumerate(mcq_questions):
if "question" not in mcq_question:
raise ValueError(f"question attribute missing in index {i}")
if "correct_answer" not in mcq_question:
raise ValueError(f"correct_answer attribute missing in index {i}")
if "wrong_answers" not in mcq_question:
raise ValueError(f"wrong_answers attribute missing in index {i}")
question = Question(
id=f"mcq_{i}",
question=mcq_question["question"],
correct_answer=mcq_question["correct_answer"].lower(),
other_answers=[a.lower() for a in mcq_question["wrong_answers"]],
type=Question.QuestionType.mcq,
)
def test_new_object_graph_works(self):
class SomeClass(object):
pass
obj_graph = pinject.new_object_graph(classes=[SomeClass])
self.assertIsInstance(obj_graph.provide(SomeClass), SomeClass)
def test():
obj_graph = pinject.new_object_graph(binding_specs=[SomeBindingSpec()])
some_class = obj_graph.provide(SomeClass)
assert some_class.foo == 'foo-with-annot'
def test():
obj_graph = pinject.new_object_graph(binding_specs=[MyBindingSpec()])
some_class = obj_graph.provide(SomeClass)
assert some_class.long_name.foo == 'foo'
assert isinstance(some_class.long_name, SomeReallyLongClassName)
def test_good():
obj_graph = pinject.new_object_graph(
binding_specs=[MainBindingSpec(), SatisfyingBindingSpec()])
def handle(self, *args, **options):
use_cache = not 'nocache' in args
obj_graph = pinject.new_object_graph()
feed = obj_graph.provide(YandexXML)
feed.gen_XML(use_cache)
def test_bad():
with pytest.raises(pinject.MissingRequiredBindingError):
obj_graph = pinject.new_object_graph(
binding_specs=[MainBindingSpec(),
NonSatisfyingBindingSpec()]) # would raise a MissingRequiredBindingError
def test():
obj_graph = pinject.new_object_graph(binding_specs=[MainBindingSpec()])
some_class = obj_graph.provide(SomeClass)
assert some_class.foo == 'a-real-foo'
"""Binding specs can declare dependencies."""
import pinject
class ClassOne(object):
def __init__(self, foo):
self.foo = foo
class ClassTwo(object):
def __init__(self, class_one, bar):
self.foobar = class_one.foo + bar
class BindingSpecOne(pinject.BindingSpec):
def configure(self, bind):
bind('foo', to_instance='foo-')
class BindingSpecTwo(pinject.BindingSpec):
def configure(self, bind):
bind('bar', to_instance='-bar')
def dependencies(self):
return [BindingSpecOne()]
obj_graph = pinject.new_object_graph(binding_specs=[BindingSpecTwo()])
class_two = obj_graph.provide(ClassTwo)
print class_two.foobar
def process_order_prototype():
obj_graph = pinject.new_object_graph(
binding_specs=[OrderContextBindingSpec()])
order_service_1 = obj_graph.provide(OrderService)
order_service_2 = obj_graph.provide(OrderService)
print(order_service_1.order_context is order_service_2.order_context)
import pinject
class OuterClass(object):
def __init__(self, inner_class):
self.inner_class = inner_class
class InnerClass(object):
def __init__(self):
self.forty_two = 42
obj_graph = pinject.new_object_graph()
outer_class = obj_graph.provide(OuterClass)
print outer_class.inner_class.forty_two
""" If it takes more to instantiate a class than calling its initializer and
injecting initializer args, then you can write a provider method for it. Pinject
can use provider methods to instantiate objects used to inject as the values of
other args.
"""
import pinject
class SomeClass(object):
def __init__(self, foo):
self.foo = foo
class SomeBindingSpec(pinject.BindingSpec):
def provide_foo(self):
return 'some-complex-foo'
obj_graph = pinject.new_object_graph(binding_specs=[SomeBindingSpec()])
some_class = obj_graph.provide(SomeClass)
print some_class.foo
from pinject import new_object_graph from service.config import ConfigService from service.spot_crud import SpotCrudService from service.spot_validation import SpotValidationService obj_graph = new_object_graph(modules=None, classes=[ConfigService, SpotCrudService, SpotValidationService]) config_service = obj_graph.provide(ConfigService) spot_crud_service = obj_graph.provide(SpotCrudService) spot_validation_service = obj_graph.provide(SpotValidationService)
