From 82a05614637d3c5ecbdcb662326e666424007cd5 Mon Sep 17 00:00:00 2001
From: Dmitry Teselkin <dteselkin@mirantis.com>
Date: Thu, 4 Jun 2020 15:14:07 +0300
Subject: Custom __deepcopy__ for LazyLoader

When running JJB under py3 (py3.6) it started to fail with exception

  TypeError: cannot serialize '_io.BufferedReader' object

This is happens when doing deepcopy of a LazyLoader object which
contains an instance of BufferedReader object.
Under py2 this works but under py3 it is not.

This commit adds custom __deepcopy__ method to LazyLoader that
avoids deepcopy of a self._loader.

Change-Id: I00844fc06ebf84538d557c33f1179a26cb18202f
Story: 2007227
---
 jenkins_jobs/local_yaml.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/jenkins_jobs/local_yaml.py b/jenkins_jobs/local_yaml.py
index c22fc3c6..9aeeb9af 100644
--- a/jenkins_jobs/local_yaml.py
+++ b/jenkins_jobs/local_yaml.py
@@ -203,6 +203,7 @@ import io
 import logging
 import os
 import re
+import copy
 
 import jinja2
 import yaml
@@ -598,6 +599,11 @@ class LazyLoader(CustomLoader):
     def __repr__(self):
         return "%s %s" % (self._cls.yaml_tag, self._node.value)
 
+    def __deepcopy__(self, memodict={}):
+        return LazyLoader(
+            (copy.deepcopy(self._cls), self._loader, copy.deepcopy(self._node))
+        )
+
     def format(self, *args, **kwargs):
         node = yaml.ScalarNode(
             tag=self._node.tag, value=self._node.value.format(*args, **kwargs)
-- 
cgit