I find how to solve:
import my_demo
in this method load my script in ryu/app folder. I don’t know if its correct
flow or if it is a bug, I’m not a big expert of python
> Inizio messaggio inoltrato:
>
> Da: "spinazze.l...@spes.uniud.it" <spinazze.l...@spes.uniud.it>
> Oggetto: problem with import Myscript.py
> Data: 14 dicembre 2016 11:20:16 CET
> A: ryu-devel@lists.sourceforge.net
>
> Hello everyone i need some help for load a costume script:
> i picked the script in this link
> (http://osrg.github.io/ryu-book/en/html/rest_api.html
> <http://osrg.github.io/ryu-book/en/html/rest_api.html>), but from the last
> version of ryu book and i want to use it for import my script.
> I have made this changing, but doesn’t work because for it my module doesn’t
> exist, and it can’t import
>
> SimpleSwitchRest13.py
> ...
> from ryu.app import simple_switch_13
> >from ryu.app import my_demo
>
> class SimpleSwitchRest13(simple_switch_13.SimpleSwitch13)
> >class SimpleSwitchRest13(my_demo.Main)
> …..
>
> my_demo.py
> …
> class SimpleSwitch13(app_manager.RyuApp):
> >class Main(app_manager.RyuApp):
>
> def __init__(self, *args, **kwargs):
> super(SimpleSwitch13, self).__init__(*args, **kwargs)
> >super(Main, self).__init__(*args, **kwargs)
> self.mac_to_port = {}
> …
>
> This is the output when i try to lunch SimpleSwitchRest13.py
>
> (ryu_venv)ubuntu@ubuntu-VirtualBox:~/Desktop/ryu/ryu/app$ ryu-manager
> --verbose SimpleSwitchRest13.py
> loading app SimpleSwitchRest13.py
> Traceback (most recent call last):
> File "/home/ubuntu/Desktop/ryu_venv/bin/ryu-manager", line 9, in <module>
> load_entry_point('ryu==4.8.1', 'console_scripts', 'ryu-manager')()
> File
> "/home/ubuntu/Desktop/ryu_venv/local/lib/python2.7/site-packages/ryu/cmd/manager.py",
> line 88, in main
> app_mgr.load_apps(app_lists)
> File
> "/home/ubuntu/Desktop/ryu_venv/local/lib/python2.7/site-packages/ryu/base/app_manager.py",
> line 415, in load_apps
> cls = self.load_app(app_cls_name)
> File
> "/home/ubuntu/Desktop/ryu_venv/local/lib/python2.7/site-packages/ryu/base/app_manager.py",
> line 392, in load_app
> mod = utils.import_module(name)
> File
> "/home/ubuntu/Desktop/ryu_venv/local/lib/python2.7/site-packages/ryu/utils.py",
> line 116, in import_module
> mod = importlib.import_module(name)
> File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
> __import__(name)
> File "/home/ubuntu/Desktop/ryu/ryu/app/SimpleSwitchRest13.py", line 13, in
> <module>
> class SimpleSwitchRest13(simple_switch_13.Main):
> AttributeError: 'module' object has no attribute 'Main'
>
> I think that is all, i don’t understand why the name of module in my_demo
> must be SimpleSwitch13 and not Main or what_i_want.
> Thank you for an answer.
> Luca Spinazzè
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