fix: Add check to skip SO and DN in customer master

erpnext/accounts/doctype/sales_invoice/sales_invoice.py

@@ -542,12 +542,17 @@ class SalesInvoice(SellingController):
 		"""check in manage account if sales order / delivery note required or not."""
 		if self.is_return:
 			return
-		dic = {'Sales Order':['so_required', 'is_pos'],'Delivery Note':['dn_required', 'update_stock']}
-		for i in dic:
-			if frappe.db.get_single_value('Selling Settings', dic[i][0]) == 'Yes':
+
+		prev_doc_field_map = {'Sales Order': ['so_required', 'is_pos'],'Delivery Note': ['dn_required', 'update_stock']}
+		for key, value in iteritems(prev_doc_field_map):
+			if frappe.db.get_single_value('Selling Settings', value[0]) == 'Yes':
+
+				if frappe.get_value('Customer', self.customer, value[0]):
+					continue
+
 				for d in self.get('items'):
-					if (d.item_code and not d.get(i.lower().replace(' ','_')) and not self.get(dic[i][1])):
-						msgprint(_("{0} is mandatory for Item {1}").format(i,d.item_code), raise_exception=1)
+					if (d.item_code and not d.get(key.lower().replace(' ', '_')) and not self.get(value[1])):
+						msgprint(_("{0} is mandatory for Item {1}").format(key, d.item_code), raise_exception=1)
 
 
 	def validate_proj_cust(self):

erpnext/selling/doctype/customer/customer.json

@@ -25,6 +25,8 @@
   "territory",
   "tax_id",
   "tax_category",
+  "so_required",
+  "dn_required",
   "disabled",
   "is_internal_customer",
   "represents_company",
@@ -465,13 +467,25 @@
    "fieldtype": "Table",
    "label": "Credit Limit",
    "options": "Customer Credit Limit"
+  },
+  {
+   "default": "0",
+   "fieldname": "so_required",
+   "fieldtype": "Check",
+   "label": "Allow Sales Invoice Creation Without Sales Order"
+  },
+  {
+   "default": "0",
+   "fieldname": "dn_required",
+   "fieldtype": "Check",
+   "label": "Allow Sales Invoice Creation Without Delivery Note"
   }
  ],
  "icon": "fa fa-user",
  "idx": 363,
  "image_field": "image",
  "links": [],
- "modified": "2020-01-29 20:36:37.879581",
+ "modified": "2020-03-17 11:03:42.706907",
  "modified_by": "Administrator",
  "module": "Selling",
  "name": "Customer",