[patch] update auth based on new password system

frappe/patches.txt

@@ -127,4 +127,6 @@ frappe.patches.v7_0.desktop_icons_hidden_by_admin_as_blocked
 frappe.patches.v7_0.add_communication_in_doc
 frappe.patches.v7_0.update_send_after_in_bulk_email
 frappe.patches.v7_0.setup_list_settings
+execute:frappe.db.sql('''delete from `tabSingles` where doctype="Email Settings"''') # 2016-06-13
 frappe.patches.v7_0.update_auth
+

frappe/patches/v7_0/update_auth.py

@@ -22,13 +22,21 @@ def execute():
 		meta = frappe.get_meta(doctype)
 
 		for df in meta.get('fields', {'fieldtype': 'Password'}):
-			for d in frappe.db.sql('''select name, `{fieldname}` from `tab{doctype}`
-				where `{fieldname}` is not null'''.format(fieldname=df.fieldname, doctype=doctype), as_dict=True):
+			if meta.issingle:
+				password = frappe.db.get_value(doctype, doctype, df.fieldname)
+				if password:
+					set_encrypted_password(doctype, doctype, password, fieldname=df.fieldname)
+					frappe.db.set_value(doctype, doctype, df.fieldname, '*'*len(password))
 
-				set_encrypted_password(doctype, d.name, d.get(df.fieldname), fieldname=df.fieldname)
+			else:
+				for d in frappe.db.sql('''select name, `{fieldname}` from `tab{doctype}`
+					where `{fieldname}` is not null'''.format(fieldname=df.fieldname, doctype=doctype), as_dict=True):
+
+					set_encrypted_password(doctype, d.name, d.get(df.fieldname), fieldname=df.fieldname)
+
+				frappe.db.sql('''update `tab{doctype}` set `{fieldname}`=repeat("*", char_length(`{fieldname}`))'''
+					.format(doctype=doctype, fieldname=df.fieldname))
 
-			frappe.db.sql('''update `tab{doctype}` set `{fieldname}`=repeat("*", char_length(`{fieldname}`))'''
-				.format(doctype=doctype, fieldname=df.fieldname))
 			frappe.db.commit()
 
 	frappe.db.sql_ddl('''drop table `__OldAuth`''')