Hi,
The framework supports py3. But some of examples under "app" directory
aren't ready.
On Thu, 30 Jul 2015 14:50:54 +0200
Fadi Moukayed <smf...@gmail.com> wrote:
> Hello,
>
> While reading the Ryu book, I discovered that several applications in
> ryu.app.* seem to be broken under Python 3:
>
> test@host:~# ryu-manager --verbose ryu.app.rest_topology
> loading app ryu.app.rest_topology
> Traceback (most recent call last):
> File "/usr/local/lib/python3.4/dist-packages/ryu/utils.py", line 81, in
> import_module
> __import__(modname)
> File "/usr/local/lib/python3.4/dist-packages/ryu/app/rest_topology.py",
> line 22, in <module>
> from ryu.topology.api import get_switch, get_link
> File "/usr/local/lib/python3.4/dist-packages/ryu/topology/api.py", line
> 38, in <module>
> app_manager.require_app('ryu.topology.switches', api_style=True)
> File "/usr/local/lib/python3.4/dist-packages/ryu/base/app_manager.py",
> line 85, in require_app
> m._REQUIRED_APP = getattr(m, '_REQUIRED_APP', [])
> AttributeError: 'NoneType' object has no attribute '_REQUIRED_APP'
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "/usr/local/bin/ryu-manager", line 9, in <module>
> load_entry_point('ryu==3.23.2', 'console_scripts', 'ryu-manager')()
> File "/usr/local/lib/python3.4/dist-packages/ryu/cmd/manager.py", line
> 88, in main
> app_mgr.load_apps(app_lists)
> File "/usr/local/lib/python3.4/dist-packages/ryu/base/app_manager.py",
> line 389, in load_apps
> cls = self.load_app(app_cls_name)
> File "/usr/local/lib/python3.4/dist-packages/ryu/base/app_manager.py",
> line 366, in load_app
> mod = utils.import_module(name)
> File "/usr/local/lib/python3.4/dist-packages/ryu/utils.py", line 92, in
> import_module
> __import__(name)
> File "/usr/local/lib/python3.4/dist-packages/ryu/app/rest_topology.py",
> line 22, in <module>
> from ryu.topology.api import get_switch, get_link
> File "/usr/local/lib/python3.4/dist-packages/ryu/topology/api.py", line
> 38, in <module>
> app_manager.require_app('ryu.topology.switches', api_style=True)
> File "/usr/local/lib/python3.4/dist-packages/ryu/base/app_manager.py",
> line 85, in require_app
> m._REQUIRED_APP = getattr(m, '_REQUIRED_APP', [])
> AttributeError: 'NoneType' object has no attribute '_REQUIRED_APP'
>
> The above happens with Ryu 3.23.2 from PyPI on Python 3.4.0 (Ubuntu 14.04)
>
> Additionally, I also saw the following error messages during install (Seems
> like some files were missed during the 2->3 conversion):
>
> Installing collected packages: ryu
> Running setup.py install for ryu
> [pbr] Reusing existing SOURCES.txt
> Installing ryu script to /usr/local/bin
> Installing ryu-manager script to /usr/local/bin
> File
> "/usr/local/lib/python3.4/dist-packages/ryu/contrib/ovs/db/idl.py", line 189
> except error.Error, e:
> ^
> SyntaxError: invalid syntax
>
> File
> "/usr/local/lib/python3.4/dist-packages/ryu/contrib/ovs/stream.py", line 122
> def open_block((error, stream)):
> ^
> SyntaxError: invalid syntax
>
> File
> "/usr/local/lib/python3.4/dist-packages/ryu/contrib/ovs/fatal_signal.py",
> line 93
> except OSError, e:
> ^
> SyntaxError: invalid syntax
>
> File
> "/usr/local/lib/python3.4/dist-packages/ryu/contrib/ovs/daemon.py", line 147
> except IOError, e:
> ^
> SyntaxError: invalid syntax
>
> File
> "/usr/local/lib/python3.4/dist-packages/ryu/contrib/ovs/poller.py", line 174
> except select.error, e:
> ^
> SyntaxError: invalid syntax
>
> File
> "/usr/local/lib/python3.4/dist-packages/ryu/contrib/ovs/socket_util.py",
> line 40
> except socket.error, e:
> ^
> SyntaxError: invalid syntax
>
> File
> "/usr/local/lib/python3.4/dist-packages/ryu/contrib/ovs/json.py", line 146
> except UnicodeDecodeError, e:
> ^
> SyntaxError: invalid syntax
>
> File
> "/usr/local/lib/python3.4/dist-packages/ryu/contrib/ovs/ovsuuid.py", line 45
> except error.Error, e:
> ^
> SyntaxError: invalid syntax
>
> Successfully installed ryu
> Cleaning up...
> test@host:~$
>
> Note that other example applications such as simple_vlan and rest_qos are
> affected by this, since they depend on the contrib.ovs modules.
>
> Greetings from Germany,
> -Fadi
------------------------------------------------------------------------------
_______________________________________________
Ryu-devel mailing list
Ryu-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/ryu-devel
