From 7faa24eb7b754e62c3b9852cd842b2311a0f38a8 Mon Sep 17 00:00:00 2001
From: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
Date: Sun, 7 Jul 2019 02:42:11 -0400
Subject: [PATCH] Remove database conversion command

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>
---
 HISTORY.rst                                   |   1 +
 docs/releases/3.3.rst                         |   1 +
 .../common/management/commands/convertdb.py   | 107 ------------------
 3 files changed, 2 insertions(+), 107 deletions(-)
 delete mode 100644 mayan/apps/common/management/commands/convertdb.py

diff --git a/HISTORY.rst b/HISTORY.rst
index 0744e90684..c4be3eb90d 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -13,6 +13,7 @@
 - Backport workflow email action.
 - Backport individual index rebuild support.
 - Rename the installjavascript command to installdependencies.
+- Remove database conversion command.
 
 3.2.5 (2019-07-05)
 ==================
diff --git a/docs/releases/3.3.rst b/docs/releases/3.3.rst
index e6e437790c..e2098af3f6 100644
--- a/docs/releases/3.3.rst
+++ b/docs/releases/3.3.rst
@@ -25,6 +25,7 @@ Changes
 - Backport workflow email action.
 - Backport individual index rebuild support.
 - Rename the installjavascript command to installdependencies.
+- Remove database conversion command.
 
 Removals
 --------
diff --git a/mayan/apps/common/management/commands/convertdb.py b/mayan/apps/common/management/commands/convertdb.py
deleted file mode 100644
index 30bc2d0e67..0000000000
--- a/mayan/apps/common/management/commands/convertdb.py
+++ /dev/null
@@ -1,107 +0,0 @@
-from __future__ import unicode_literals
-
-import errno
-import os
-import warnings
-
-from pathlib2 import Path
-
-from django.conf import settings
-from django.core import management
-from django.core.management.base import CommandError
-from django.utils.encoding import force_text
-from django.utils.translation import ugettext_lazy as _
-
-from mayan.apps.documents.models import DocumentType
-from mayan.apps.storage.utils import fs_cleanup
-
-from ...literals import MESSAGE_DEPRECATION_WARNING
-from ...warnings import DeprecationWarning
-
-CONVERTDB_FOLDER = 'convertdb'
-CONVERTDB_OUTPUT_FILENAME = 'migrate.json'
-
-
-class Command(management.BaseCommand):
-    help = 'Convert from a database backend to another one.'
-
-    def __init__(self, *args, **kwargs):
-        warnings.warn(
-            category=DeprecationWarning,
-            message=force_text(MESSAGE_DEPRECATION_WARNING)
-        )
-
-        super(Command, self).__init__(*args, **kwargs)
-
-    def add_arguments(self, parser):
-        parser.add_argument(
-            'args', metavar='app_label[.ModelName]', nargs='*',
-            help=_(
-                'Restricts dumped data to the specified app_label or '
-                'app_label.ModelName.'
-            )
-        )
-        parser.add_argument(
-            '--from', action='store', default='default', dest='from',
-            help=_(
-                'The database from which data will be exported. If omitted '
-                'the database named "default" will be used.'
-            ),
-        )
-        parser.add_argument(
-            '--to', action='store', default='default', dest='to',
-            help=_(
-                'The database to which data will be imported. If omitted '
-                'the database named "default" will be used.'
-            ),
-        )
-        parser.add_argument(
-            '--force', action='store_true', dest='force',
-            help=_(
-                'Force the conversion of the database even if the receiving '
-                'database is not empty.'
-            ),
-        )
-
-    def handle(self, *app_labels, **options):
-        # Create the media/convertdb folder
-        convertdb_folder_path = force_text(
-            Path(
-                settings.MEDIA_ROOT, CONVERTDB_FOLDER
-            )
-        )
-
-        try:
-            os.makedirs(convertdb_folder_path)
-        except OSError as exception:
-            if exception.errno == errno.EEXIST:
-                pass
-
-        convertdb_file_path = force_text(
-            Path(
-                convertdb_folder_path, CONVERTDB_OUTPUT_FILENAME
-            )
-        )
-
-        management.call_command(command_name='purgeperiodictasks')
-
-        management.call_command(
-            'dumpdata', *app_labels, all=True,
-            database=options['from'], natural_primary=True,
-            natural_foreign=True, output=convertdb_file_path,
-            interactive=False, format='json'
-        )
-
-        if DocumentType.objects.using(options['to']).count() and not options['force']:
-            fs_cleanup(convertdb_file_path)
-            raise CommandError(
-                'There is existing data in the database that will be '
-                'used for the import. If you proceed with the conversion '
-                'you might lose data. Please check your settings.'
-            )
-
-        management.call_command(
-            'loaddata', convertdb_file_path, database=options['to'], interactive=False,
-            verbosity=3
-        )
-        fs_cleanup(convertdb_file_path)