[elbe-devel] [PATCH 3/7] elbepack: elbexml: make ElbeXML picklable

[Thomas Weißschuh]

The underlying XML trees are not compatible with pickle.
Instead serialize and deserialize them through a string.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh at linutronix.de>
---
 elbepack/elbexml.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/elbepack/elbexml.py b/elbepack/elbexml.py
index 53e82657e138..b9611753fa6d 100644
--- a/elbepack/elbexml.py
+++ b/elbepack/elbexml.py
@@ -85,6 +85,15 @@ class ElbeXML:
         if not skip_validate and url_validation != ValidationMode.NO_CHECK:
             self.validate_apt_sources(url_validation, self.defs['arch'])
 
+    def __getstate__(self):
+        state = super().__getstate__().copy()
+        state['xml'] = state['xml'].tostring()
+        return state
+
+    def __setstate__(self, state):
+        state['xml'] = etree(None, string=state['xml'])
+        self.__dict__.update(state)
+
     def text(self, txt, key=None):
         if key:
             return self.xml.text(txt, default=self.defs, key=key)

-- 
2.46.0