Fill move line's origin with statement line

issue10037
review316811002

CHANGELOG

@@ -1,3 +1,5 @@
+* Fill move line's origin with statement line
+
 Version 5.8.0 - 2020-11-02
 * Bug fixes (see mercurial logs for details)
 * Remove support for Python 3.5

__init__.py

@@ -16,6 +16,7 @@ def register():
         statement.LineGroup,
         account.Journal,
         account.Move,
+        account.MoveLine,
         statement.Origin,
         statement.OriginInformation,
         statement.ImportStatementStart,

account.py

@@ -71,3 +71,11 @@ class Move(metaclass=PoolMeta):
                         move=move.rec_name,
                         statement=move.origin.rec_name))
         super().post(moves)
+
+
+class MoveLine(metaclass=PoolMeta):
+    __name__ = 'account.move.line'
+
+    @classmethod
+    def _get_origin(cls):
+        return super()._get_origin() + ['account.statement.line']

statement.py

@@ -977,6 +977,7 @@ class Line(
             second_currency = None
 
         return MoveLine(
+            origin=self,
             description=self.description,
             debit=amount < zero and -amount or zero,
             credit=amount >= zero and amount or zero,