Yet another Dependency Injection (IOC) component for Python
Project description
Another Dependency Injection library for Python.
This package has following three guidelines:
any class configured by Container mechanism should not be modified in any way
there is no need for external services definition files for Container
no Container compiling and service tagging - we have introspection and dynamic language for this task
And so this package provides:
no xml configuration
no annotations (more cons than pros)
no changes to services code
Official repositories
For forking and other funnies.
BitBucket: https://bitbucket.org/glorpen/glorpen-di
Supported design patterns
Service instance can be created by:
factory service
calling class object with arguments
Instance options can be altered by:
constructor arguments
setters
calling methods
using configurator service
Each service has defined scope, service cannot request other service from narrower scope.
Injecting services and parameters
from glorpen.di import Container
class MyParamService(object):
pass
class MyService(object):
def __init__(self, obj, text, value):
super(MyService, self).__init__()
print("service instance: %s" % obj)
print("container parameter: %s" % text)
print("provided value: %s" % value)
c = Container()
c.add_service(MyParamService)
c.add_parameter('my-param', "value from container")
c.add_service(MyService).kwargs(obj__svc=MyParamService, text__param="my-param", value="defined value")
c.get(MyService)
Running snippet will print:
service instance: <__main__.MyParamService object at 0x7f2fef6e9828> container parameter: value from container provided value: defined value
See https://glorpen-di.readthedocs.io/en/latest/ for code examples and more documentation.
Project details
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