Add support for changing CLI output format per API

hug/api.py

@@ -30,9 +30,10 @@
 from wsgiref.simple_server import make_server
 
 import falcon
+from falcon import HTTP_METHODS
+
 import hug.defaults
 import hug.output_format
-from falcon import HTTP_METHODS
 from hug import introspect
 from hug._async import asyncio, ensure_future
 from hug._version import current
@@ -371,7 +372,7 @@ def error_serializer(request, response, error):
 
 class CLIInterfaceAPI(InterfaceAPI):
     """Defines the CLI interface specific API"""
-    __slots__ = ('commands', 'error_exit_codes',)
+    __slots__ = ('commands', 'error_exit_codes', '_output_format')
 
     def __init__(self, api, version='', error_exit_codes=False):
         super().__init__(api)
@@ -407,6 +408,14 @@ def extend(self, cli_api, command_prefix="", sub_command="", **kwargs):
             for name, command in cli_api.commands.items():
                 self.commands["{}{}".format(command_prefix, name)] = command
 
+    @property
+    def output_format(self):
+        return getattr(self, '_output_format', hug.defaults.cli_output_format)
+
+    @output_format.setter
+    def output_format(self, formatter):
+        self._output_format = formatter
+
     def __str__(self):
         return "{0}\n\nAvailable Commands:{1}\n".format(self.api.doc or self.api.name,
                                                         "\n\n\t- " + "\n\t- ".join(self.commands.keys()))