nargs for ProjectCommand and ServiceCommand

src/kiwi/subcommands/_subcommand.py

@@ -28,33 +28,38 @@ class SubCommand:
 class ProjectCommand(SubCommand):
     """this command concerns a project in current instance"""
 
-    def __init__(self, name, **kwargs):
+    def __init__(self, name, num_projects, **kwargs):
         super().__init__(
             name,
             **kwargs
         )
 
+        projects = "a project"
+
+        if not str(num_projects) == '1':
+            projects = "projects"
+
         self._sub_parser.add_argument(
-            'project', type=str,
-            help="select a project in this instance"
+            'projects', metavar='project', nargs=num_projects, type=str,
+            help=f"select {projects} in this instance"
         )
 
 
 class ServiceCommand(ProjectCommand):
     """this command concerns service(s) in a project"""
 
-    def __init__(self, name, nargs=1, **kwargs):
+    def __init__(self, name, num_projects, num_services, **kwargs):
         super().__init__(
-            name,
+            name, num_projects=num_projects,
             **kwargs
         )
 
-        services = "service"
+        services = "a service"
 
-        if not nargs == 1:
+        if not str(num_services) == '1':
             services = "services"
 
         self._sub_parser.add_argument(
-            'services', metavar='service', nargs=nargs, type=str,
+            'services', metavar='service', nargs=num_services, type=str,
             help=f"select {services} in a project"
         )

src/kiwi/subcommands/cmd.py

@@ -8,7 +8,7 @@ class CmdCommand(ProjectCommand):
 
     def __init__(self):
         super().__init__(
-            'cmd',
+            'cmd', num_projects=1,
             description="Run raw docker-compose command in a project"
         )
 

src/kiwi/subcommands/logs.py

@@ -8,7 +8,7 @@ class LogsCommand(ServiceCommand):
 
     def __init__(self):
         super().__init__(
-            'logs', nargs='*',
+            'logs', num_projects=1, num_services='*',
             description="Show logs of a project or service(s) of a project"
         )
 

src/kiwi/subcommands/sh.py

@@ -72,11 +72,11 @@ class ShCommand(ServiceCommand):
 
     def __init__(self):
         super().__init__(
-            'sh',
+            'sh', num_projects=1, num_services=1,
             description="Spawn shell inside a project's service"
         )
 
-        # -s switch: Select shell
+        # -s argument: Select shell
         self._sub_parser.add_argument(
             '-s', '--shell', type=str,
             help="shell to spawn"

src/kiwi/subcommands/utils/dockercommand.py

@@ -8,10 +8,10 @@ from .executable import Executable
 
 
 def _update_kwargs(config, args, **kwargs):
-    if 'project' in args:
+    if 'projects' in args:
         # command affects a project in this instance
 
-        project_name = args.project
+        project_name = args.projects[0]
         project_marker = config['markers:project']
         project_dir = f'{project_name}{project_marker}'
         kwargs['cwd'] = project_dir