1 files changed, 55 insertions, 0 deletions
diff --git a/odoo/addons/base/module/wizard/base_module_uninstall.py b/odoo/addons/base/module/wizard/base_module_uninstall.py
new file mode 100644
index 00000000000..1168e57341c
--- /dev/null
+++ b/odoo/addons/base/module/wizard/base_module_uninstall.py
@@ -0,0 +1,55 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models
+
+
+class BaseModuleUninstall(models.TransientModel):
+    _name = "base.module.uninstall"
+    _description = "Module Uninstallation"
+
+    show_all = fields.Boolean()
+    module_id = fields.Many2one('ir.module.module', string="Module", required=True,
+                                domain=[('state', 'in', ['installed', 'to upgrade', 'to install'])])
+    module_ids = fields.Many2many('ir.module.module', string="Impacted modules",
+                                  compute='_compute_module_ids')
+    model_ids = fields.Many2many('ir.model', string="Impacted data models",
+                                 compute='_compute_model_ids')
+
+    def _get_modules(self):
+        """ Return all the modules impacted by self. """
+        return self.module_id.downstream_dependencies(self.module_id)
+
+    @api.depends('module_id', 'show_all')
+    def _compute_module_ids(self):
+        for wizard in self:
+            modules = wizard._get_modules()
+            wizard.module_ids = modules if wizard.show_all else modules.filtered('application')
+
+    def _get_models(self):
+        """ Return the models (ir.model) to consider for the impact. """
+        return self.env['ir.model'].search([('transient', '=', False)])
+
+    @api.depends('module_ids')
+    def _compute_model_ids(self):
+        ir_models = self._get_models()
+        ir_models_xids = ir_models._get_external_ids()
+        for wizard in self:
+            if wizard.module_id:
+                module_names = set(wizard._get_modules().mapped('name'))
+                # find the models that have all their XIDs in the given modules
+                def lost(model):
+                    return all(xid.split('.')[0] in module_names
+                               for xid in ir_models_xids.get(model.id, ()))
+                self.model_ids = ir_models.filtered(lost).sorted('name')
+
+    @api.onchange('module_id')
+    def _onchange_module_id(self):
+        # if we select a technical module, show technical modules by default
+        if not self.module_id.application:
+            self.show_all = True
+
+    @api.multi
+    def action_uninstall(self):
+        modules = self.mapped('module_id')
+        return modules.button_immediate_uninstall()