From cefb3a469ca40377716b7c48f07f41946954781f Mon Sep 17 00:00:00 2001
From: Victor Feyens <vfe@odoo.com>
Date: Tue, 28 Apr 2020 15:02:27 +0000
Subject: [PATCH 1/3] [IMP] purchase_stock: create purchase order lines in
 batch

---
 addons/purchase_stock/models/purchase.py | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/addons/purchase_stock/models/purchase.py b/addons/purchase_stock/models/purchase.py
index cf28c11d272..6f1b774ca94 100644
--- a/addons/purchase_stock/models/purchase.py
+++ b/addons/purchase_stock/models/purchase.py
@@ -304,12 +304,11 @@ class PurchaseOrderLine(models.Model):
                             total += move.product_uom._compute_quantity(move.product_uom_qty, line.product_uom)
                 line.qty_received = total
 
-    @api.model
-    def create(self, values):
-        line = super(PurchaseOrderLine, self).create(values)
-        if line.order_id.state == 'purchase':
-            line._create_or_update_picking()
-        return line
+    @api.model_create_multi
+    def create(self, vals_list):
+        lines = super(PurchaseOrderLine, self).create(vals_list)
+        lines.filtered(lambda l: l.order_id.state == 'purchase')._create_or_update_picking()
+        return lines
 
     def write(self, values):
         for line in self.filtered(lambda l: not l.display_type):

From 06e483dd69b13f27b8a9d0e505e78d79db0bf1b1 Mon Sep 17 00:00:00 2001
From: Victor Feyens <vfe@odoo.com>
Date: Tue, 28 Apr 2020 15:03:05 +0000
Subject: [PATCH 2/3] [IMP] sale_purchase: create sales order lines in batch

---
 addons/sale_purchase/models/sale_order.py | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/addons/sale_purchase/models/sale_order.py b/addons/sale_purchase/models/sale_order.py
index 9eb6ef55849..dc645a7830a 100644
--- a/addons/sale_purchase/models/sale_order.py
+++ b/addons/sale_purchase/models/sale_order.py
@@ -109,13 +109,14 @@ class SaleOrderLine(models.Model):
     # CRUD
     # --------------------------
 
-    @api.model
+    @api.model_create_multi
     def create(self, values):
-        line = super(SaleOrderLine, self).create(values)
+        lines = super(SaleOrderLine, self).create(values)
         # Do not generate purchase when expense SO line since the product is already delivered
-        if line.state == 'sale' and not line.is_expense:
-            line.sudo()._purchase_service_generation()
-        return line
+        lines.filtered(
+            lambda line: line.state == 'sale' and not line.is_expense
+        )._purchase_service_generation()
+        return lines
 
     def write(self, values):
         increased_lines = None

From b310b3843ddae2dcb7f93de9ecbf0ee83f6024c8 Mon Sep 17 00:00:00 2001
From: Victor Feyens <vfe@odoo.com>
Date: Tue, 28 Apr 2020 15:12:23 +0000
Subject: [PATCH 3/3] [IMP] crm: create leads in batch

---
 addons/crm/models/crm_lead.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/addons/crm/models/crm_lead.py b/addons/crm/models/crm_lead.py
index 2a9a9d79b9d..7866ce4aa97 100644
--- a/addons/crm/models/crm_lead.py
+++ b/addons/crm/models/crm_lead.py
@@ -374,12 +374,12 @@ class Lead(models.Model):
                            self._table, ['create_date', 'team_id'])
         return res
 
-    @api.model
-    def create(self, vals):
-        lead = super(Lead, self).create(vals)
+    @api.model_create_multi
+    def create(self, vals_list):
+        leads = super().create(vals_list)
         # Compute new probability for each lead separately
-        lead._update_probability()
-        return lead
+        leads._update_probability()
+        return leads
 
     def write(self, vals):
         # stage change: