Save naming series in property setter before reload

frappe/core/doctype/doctype/doctype.py

@@ -11,6 +11,7 @@ from frappe.utils import now, cint
 from frappe.model import no_value_fields
 from frappe.model.document import Document
 from frappe.model.db_schema import type_map
+from frappe.core.doctype.property_setter.property_setter import make_property_setter
 
 class DocType(Document):
 	def validate(self):
@@ -106,6 +107,29 @@ class DocType(Document):
 		else:
 			frappe.db.sql("rename table `tab%s` to `tab%s`" % (old, new))
 
+	def before_reload(self):
+		if not (self.issingle and self.istable):
+			self.preserve_naming_series_options_in_property_setter()
+
+	def preserve_naming_series_options_in_property_setter(self):
+		"""preserve naming_series as property setter if it does not exist"""
+		naming_series = self.get("fields", {"fieldname": "naming_series"})
+
+		if not naming_series:
+			return
+
+		# check if atleast 1 record exists
+		if not (frappe.db.table_exists("tab" + self.name) and frappe.db.sql("select name from `tab{}` limit 1".format(self.name))):
+			return
+
+		existing_property_setter = frappe.db.get_value("Property Setter", {"doc_type": self.name,
+			"property": "options", "field_name": "naming_series"})
+
+		if not existing_property_setter:
+			make_property_setter(self.name, "naming_series", "options", naming_series[0].options, "Text")
+			if naming_series[0].default:
+				make_property_setter(self.name, "naming_series", "default", naming_series[0].default, "Text")
+
 	def export_doc(self):
 		from frappe.modules.export_file import export_to_files
 		export_to_files(record_list=[['DocType', self.name]])

frappe/database.py

@@ -485,6 +485,9 @@ class Database:
 	def table_exists(self, tablename):
 		return tablename in [d[0] for d in self.sql("show tables")]
 
+	def a_row_exists(self, doctype):
+		return self.sql("select name from `tab{doctype}` limit 1".format(doctype=doctype))
+
 	def exists(self, dt, dn=None):
 		if isinstance(dt, basestring):
 			if dt!="DocType" and dt==dn:

frappe/model/delete_doc.py

@@ -31,7 +31,16 @@ def delete_doc(doctype=None, name=None, force=0, ignore_doctypes=None, for_reloa
 	remove_all(doctype, name)
 
 	if doctype=="DocType":
-		if not for_reload:
+		if for_reload:
+
+			try:
+				doc = frappe.get_doc(doctype, name)
+			except frappe.DoesNotExistError:
+				pass
+			else:
+				doc.run_method("before_reload")
+
+		else:
 			frappe.db.sql("delete from `tabCustom Field` where dt = %s", name)
 			frappe.db.sql("delete from `tabCustom Script` where dt = %s", name)
 			frappe.db.sql("delete from `tabProperty Setter` where doc_type = %s", name)

frappe/patches.txt

@@ -41,3 +41,4 @@ frappe.patches.v4_0.fix_attach_field_file_url
 execute:frappe.reset_perms("User") #2014-06-13
 execute:frappe.db.sql("""delete from `tabUserRole` where ifnull(parentfield, '')=''""") #2014-06-17
 frappe.patches.v4_0.remove_user_owner_custom_field
+execute:frappe.db.sql("""update `tabProperty Setter` set property_type='Text' where property in ('options', 'default')""") #2014-06-20