add role server_rw + role example + deploy

src/risotto/dispatcher.py

@@ -7,7 +7,6 @@ from json import dumps, loads
 from .utils import _
 from .error import CallError, NotAllowedError
 from .logger import log
-from .config import DEBUG
 from .config import get_config
 from .context import Context
 from . import register
@@ -193,7 +192,7 @@ class Dispatcher(register.RegisterDispatcher, CallDispatcher, PublishDispatcher)
             try:
                 await subconfig.option(key).value.set(value)
             except AttributeError:
-                if DEBUG:
+                if get_config()['global']['debug']:
                     print_exc()
                 raise ValueError(_(f'unknown parameter in "{uri}": "{key}"'))
         # check mandatories options
@@ -276,7 +275,7 @@ class Dispatcher(register.RegisterDispatcher, CallDispatcher, PublishDispatcher)
                                                                 check_role)
         except Exception as err:
             # if there is a problem with arguments, just send an error and do nothing
-            if DEBUG:
+            if get_config()['global']['debug']:
                 print_exc()
             await log.error_msg(risotto_context, kwargs, err)
             if risotto_context.type == 'rpc':