[ADD][13.0] Support generating noupdate_changes from upgrade_records in 14.0

odoo/addons/openupgrade_records/models/openupgrade_record.py

@@ -1,9 +1,12 @@
-# coding: utf-8
 # Copyright 2011-2015 Therp BV <https://therp.nl>
-# Copyright 2016 Opener B.V. <https://opener.am>
+# Copyright 2016-2020 Opener B.V. <https://opener.am>
+# Copyright 2019 Eficent <https://eficent.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-
+import ast
+import os
 from odoo import api, fields, models
+from odoo.exceptions import ValidationError
+from odoo.modules.module import get_module_path, MANIFEST_NAMES
 
 
 class Attribute(models.Model):
@@ -111,3 +114,40 @@ def field_dump(self):
                 dict([(x.name, x.value) for x in record.attribute_ids]))
             data.append(repre)
         return data
+
+    @api.model
+    def list_modules(self):
+        """ Return the set of covered modules """
+        self.env.cr.execute(
+            """SELECT DISTINCT(module) FROM openupgrade_record
+            ORDER BY module""")
+        return [module for module, in self.env.cr.fetchall()]
+
+    @staticmethod
+    def _read_manifest(addon_dir):
+        for manifest_name in MANIFEST_NAMES:
+            if os.access(os.path.join(addon_dir, manifest_name), os.R_OK):
+                with open(os.path.join(addon_dir, manifest_name), 'r') as f:
+                    manifest_string = f.read()
+                    return ast.literal_eval(manifest_string)
+        raise ValidationError('No manifest found in %s' % addon_dir)
+
+    @api.model
+    def get_xml_records(self, module):
+        """ Return all XML records from the given module """
+        addon_dir = get_module_path(module)
+        manifest = self._read_manifest(addon_dir)
+        # The order of the keys are important.
+        # Load files in the same order as in
+        # module/loading.py:load_module_graph
+        files = []
+        for key in ['init_xml', 'update_xml', 'data']:
+            if not manifest.get(key):
+                continue
+            for xml_file in manifest[key]:
+                if not xml_file.lower().endswith('.xml'):
+                    continue
+                parts = xml_file.split('/')
+                with open(os.path.join(addon_dir, *parts), 'r') as xml_handle:
+                    files.append(xml_handle.read())
+        return files