Django command minor enhancements.

.isort.cfg

@@ -0,0 +1,6 @@
+[settings]
+line_length=120
+indent='    '
+multi_line_output=5
+known_first_party=bonobo
+known_third_party=mondrian,whistle

bonobo/_api.py

@@ -195,4 +195,3 @@ def open_examples_fs(*pathsegments):
 
 
 api.register_group(get_argument_parser, parse_args)
-

bonobo/config/functools.py

@@ -23,5 +23,6 @@ class partial(functools.partial):
     @property
     def __name__(self):
         return get_name(self.func)
+
     def using(self, *service_names):
         return use(*service_names)(self)

bonobo/contrib/django/commands.py

@@ -61,11 +61,10 @@ class ETLCommand(BaseCommand):
             for i, graph in enumerate(graph_coll):
                 if not isinstance(graph, bonobo.Graph):
                     raise ValueError("Expected a Graph instance, got {!r}.".format(graph))
-                print(term.lightwhite("{}. {}".format(i + 1, graph.name)))
+                print(term.lightwhite("{}. {}".format(i + 1, graph.name or repr(graph).strip("<>"))))
                 result = bonobo.run(graph, services=services, strategy=strategy)
                 results.append(result)
                 print(term.lightblack(" ... return value: " + str(result)))
-                print()
 
         return results
 
@@ -76,6 +75,6 @@ class ETLCommand(BaseCommand):
         self.stderr = OutputWrapper(ConsoleOutputPlugin._stderr, ending=CLEAR_EOL + "\n")
         self.stderr.style_func = lambda x: Fore.LIGHTRED_EX + Back.RED + "!" + Style.RESET_ALL + " " + x
 
-        self.run(*args, **options)
+        results = self.run(*args, **options)
 
         self.stdout, self.stderr = _stdout_backup, _stderr_backup

bonobo/util/api.py

@@ -18,9 +18,9 @@ class ApiHelper:
             assert (
                 len(parameters) > 0 and parameters[0] == "graph"
             ), 'First parameter of a graph api function must be "graph".'
-            assert required_parameters.intersection(parameters) == required_parameters, (
+            assert (
-                "Graph api functions must define the following parameters: " + ", ".join(sorted(required_parameters))
+                required_parameters.intersection(parameters) == required_parameters
-            )
+            ), "Graph api functions must define the following parameters: " + ", ".join(sorted(required_parameters))
 
         self.__all__.append(get_name(x))
         return x