class Trike(Component):
"""
Inherits Component features. Automatically is being injected with DI instances using Inject
descriptor.
"""
front_wheel: WheelInterface = Inject()
left_wheel = Inject(interface=WheelInterface)
right_wheel = Inject(name='right')
frame: FrameInterface = Inject(name='frame')
@property
def components(self):
return {
'front_wheel': self.front_wheel.name,
'left_wheel': self.left_wheel.name,
'right_wheel': self.right_wheel.name,
'frame': self.frame.name,
}
@inject
def method_with_dependencies(
self,
frame: FrameInterface = Inject(),
front_wheel=Inject(name='front'),
rear_wheel=Inject(interface=WheelInterface)
):
pass
def method_with_dependencies(
self,
frame: FrameInterface = Inject(),
front_wheel=Inject(name='front'),
rear_wheel=Inject(interface=WheelInterface)
):
pass
def construct_successfully(
self,
frame: FrameInterface = Inject(),
front_wheel=Inject(name="front"),
rear_wheel=Inject(interface=WheelInterface),
):
# noinspection PyDataclass
return {"frame": frame.name, "front": front_wheel.name, "rear": rear_wheel.name}
def compose_success(self,
frame: FrameInterface = Inject(),
front_wheel=Inject(name='front'),
rear_wheel=Inject(interface=WheelInterface)):
return {
'frame': frame.name,
'front': front_wheel.name,
'rear': rear_wheel.name
}
class RoadBike:
frame: FrameInterface = Inject()
wheel: WheelInterface = Inject(name='wheels')
def __init__(self, container: Container):
self.container = container
def build_bike(self):
return f'Frame: {self.frame}\nWheels: {self.wheel}'
class AnotherBike:
front_wheel: WheelInterface = Inject()
left_wheel = Inject(interface=WheelInterface)
right_wheel = Inject(name='right')
def __init__(self, container: Container):
self.container = container
def build_bike(self):
return f'Wheels: {self.front_wheel}, {self.left_wheel}, {self.right_wheel}.'
def add_team_member(
request_data: RequestModel,
teams: Repository = Inject(qualifier=Team),
racers: Repository = Inject(qualifier=Racer),
):
team: Team = teams.find(request_data['team_id'])
racer: Racer = racers.find(request_data['racer_id'])
team.members.append(racer)
teams.update(team)
return ResponseModel(data=request_data, errors={})
def construct_successfully(
self,
frame: FrameInterface = Inject(),
front_wheel=Inject(name='front'),
rear_wheel=Inject(interface=WheelInterface)):
# noinspection PyDataclass
return {
'frame': frame.name,
'front': front_wheel.name,
'rear': rear_wheel.name
}
class AcceptInvitation(BaseInteractor):
user_repo: repositories.UserRepo = Inject()
invitation_repo: repositories.InvitationRepo = Inject()
validators = (
validators.is_invitation_valid,
validators.is_email_taken,
)
def execute(self, request: RequestModel) -> ResponseModel:
invitation = self.invitation_repo.get_by_token(request['token'])
data = invitation.accept()
return ResponseModel(data=data, errors={})
class InviteUser(BaseInteractor):
user_repo: repositories.UserRepo = Inject()
invitation_repo: repositories.InvitationRepo = Inject()
@property
def validators(self):
return (self.validate_email_taken, )
def validate_email_taken(self, request, dependencies):
self.user_repo.is_email_taken(request['email'])
def execute(self, request: RequestModel) -> ResponseModel:
invitation = self.invitation_repo.create_and_add(
email=request['email'])
return ResponseModel(data=self.invitation_repo.serialize(invitation),
errors={})
class AddTeamMember(Interactor):
teams: Repository = Inject(qualifier=Team)
racers: Repository = Inject(qualifier=Racer)
def __init__(self, validators):
# testing properties; normally, validators would be just a property with functions declared
self.error_handler = mock.MagicMock(return_value={'error': 42})
self.validators = validators
def handle_error(self, error: Exception, request: RequestModel):
return self.error_handler(error=error, request=request)
def execute(self, request: RequestModel) -> ResponseModel:
team: Team = self.teams.find(request['team_id'])
racer: Racer = self.racers.find(request['racer_id'])
team.members.append(racer)
self.teams.update(team)
return ResponseModel(data=request, errors={})
class UserRepo(Repository):
schema: Schema = Schema(entity=entities.User)
authentication: AuthenticationService = Inject()
@property
def is_from_my_organization(self):
organization = self.authentication.user.organization
return where('organization.id') == organization.id
def get_by_email(self, email):
data = self.dao.filter(
where('email') == email & entities.User.is_active
& self.is_from_my_organization).one()
return self.create(**data)
def is_email_taken(self, email):
return self.dao.filter(where('email') == email).exists()
class A:
descriptor = Inject()
class NoAnnotationBike(Component):
wheel = Inject()
class Bike(Component):
wheel: WheelInterface = Inject()
def f(dependency=Inject(name="dependency"), **kwargs):
# noinspection PyCallingNonCallable
dependency(**kwargs)
return 42
def build_frame(self, frame=Inject()):
pass
def is_after_start(self, clock: IClockService = Inject()):
return clock.now() > self.start_date
class Bike:
wheel: WheelInterface = Inject()
def build(self,
frame: FrameInterface = Inject(),
wheel: WheelInterface = Inject()):
return f'Frame: {frame}\nWheels: {wheel}'
class Foo(Component):
qualifier = "qualifier"
dependency = Bar
bar = Inject(name="bar", get_qualifier=get_qualifier)
baz = Inject(interface=Bar, get_qualifier=get_qualifier)
class Foo(Component):
qualifier = 'qualifier'
dependency = Bar
bar = Inject(name='bar', get_qualifier=get_qualifier)
baz = Inject(interface=Bar, get_qualifier=get_qualifier)
def build(self,
frame: FrameInterface = Inject(),
wheel=Inject(name='g_wheel')):
return f'Frame: {frame}\nWheels: {wheel}'
class NoAnnotationBike:
wheel = Inject()
def __init__(self, container: Container):
self.container = container
def construct_without_identifier(self, frame=Inject()):
pass
def compose_no_identifier(self, frame=Inject()):
pass
def f(dependency=Inject(name="dependency"), **kwargs):
dependency(**kwargs)
return 42