Simple DI Library
Project description
haps
Haps [χaps] is a simple DI library, with IoC container included. It is written in pure Python with no external dependencies.
Look how easy it is to use:
from haps import Container as IoC, Inject, inject
# import interfaces
from my_application.core import IDatabase, IUserService
class MyApp:
db: IDatabase = Inject() # dependency as a property
@inject # or passed to the constructor
def __init__(self, user_service: IUserService) -> None:
self.user_service = user_service
IoC.autodiscover('my_application') # find all interfaces and implementations
if __name__ == '__main__':
app = MyApp()
assert isinstance(app.db, IDatabase)
assert isinstance(app.user_service, IUserService)
Installation
pip install haps
Documentation
See https://haps.readthedocs.io/en/latest/
Usage examples
See https://github.com/lunarwings/haps/tree/master/samples
Testing
Install requirements.test.txt
and run py.test
in main directory.
Changelog
1.1.1 (2018-07-27)
- Fix bug with optional arguments for functions decorated with
@inject
1.1.0 (2018-07-26)
- Add configuration module
- Add application class and runner
- Add profiles
- Minor fixes
1.0.5 (2018-07-12)
@egg
decorator can be used without function invocation
1.0.4 (2018-06-30)
- Add support for python 3.7
- Fix autodiscover sample
1.0.0 (2018-06-15)
- First stable release
Project details
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