Initial import from Docker volume

tests/tree.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+from trytond.model import ModelSQL, fields, tree
+from trytond.pool import Pool
+
+
+class Tree(tree(separator=' / '), ModelSQL):
+    "Tree"
+    __name__ = 'test.tree'
+    name = fields.Char("Name")
+    parent = fields.Many2One('test.tree', "Parent")
+
+
+class TreeWildcard(tree(separator='\\'), ModelSQL):
+    "Tree separator wildcard"
+    __name__ = 'test.tree_wildcard'
+    name = fields.Char("Name")
+    parent = fields.Many2One('test.tree_wildcard', "Parent")
+
+
+class Polytree(tree(parent='parents'), ModelSQL):
+    "PolyTree"
+    __name__ = 'test.polytree'
+    name = fields.Char("Name")
+    parents = fields.Many2Many(
+        'test.polytree.edge', 'parent', 'child', "Parents")
+
+
+class PolytreeEdge(ModelSQL):
+    "Polytree Edge"
+    __name__ = 'test.polytree.edge'
+    parent = fields.Many2One('test.polytree', "Parent")
+    child = fields.Many2One('test.polytree', "Child")
+
+
+def register(module):
+    Pool.register(
+        Tree,
+        TreeWildcard,
+        Polytree,
+        PolytreeEdge,
+        module=module, type_='model')