Replace django-subcommand2 by custom code

modoboa/admin/management/commands/modo.py

@@ -1,6 +1,6 @@
 """Modoboa main management command."""
 
-from subcommand.base import SubcommandCommand
+from django.core.management.base import BaseCommand
 
 from .subcommands._export import ExportCommand
 from .subcommands._import import ImportCommand
@@ -9,13 +9,13 @@ from .subcommands._mx import CheckMXRecords
 from .subcommands._repair import Repair
 
 
-class Command(SubcommandCommand):
+class Command(BaseCommand):
     """Top management command for modoboa.
 
     $ python manage.py modo
     """
 
-    help = "Modoboa top management command."  # NOQA:A003
+    help = "Modoboa top management command."
 
     subcommands = {
         "export": ExportCommand,
@@ -24,3 +24,27 @@ class Command(SubcommandCommand):
         "manage_dkim_keys": ManageDKIMKeys,
         "repair": Repair,
     }
+
+    def add_arguments(self, parser):
+        subparsers = parser.add_subparsers(
+            dest='subcommand', title='subcommands'
+        )
+        # required argument is added in Python 3.7
+        subparsers.required = True
+
+        for command_name, command_class in self.subcommands.items():
+            command = command_class(self.stdout, self.stderr)
+            command.style = self.style
+
+            subparser = subparsers.add_parser(
+                command_name, help=command_class.help
+            )
+            # This is needed to output console friendly errors
+            subparser.called_from_command_line = self._called_from_command_line
+
+            command.add_arguments(subparser)
+
+            subparser.set_defaults(command=command)
+
+    def execute(self, *args, **options):
+        return options.pop('command').execute(*args, **options)

requirements.txt

@@ -2,7 +2,6 @@ django>=2.0,<2.1
 django-braces==1.14.0
 django-ckeditor==5.8.0
 django-reversion==3.0.5
-django-subcommand2==0.1.1
 django-xforwardedfor-middleware==2.0
 
 dj-database-url