add(attachment_s3): partition fn

attachment_s3/__manifest__.py

@@ -13,6 +13,6 @@
      'python': ['boto3'],
  },
  'website': 'https://www.camptocamp.com',
- 'data': [],
+ 'data': ['data/res_config_settings_data.xml'],
  'installable': True,
  }

attachment_s3/data/res_config_settings_data.xml

@@ -0,0 +1,9 @@
+<?xml version='1.0' encoding='utf-8'?>
+<odoo noupdate="1">
+
+    <record id="ir_attachment_storage_partition" model="ir.config_parameter">
+        <field name="key">ir_attachment.storage.partition</field>
+        <field name="value">%Y-%m</field>
+    </record>
+
+</odoo>

attachment_s3/models/ir_attachment.py

@@ -6,6 +6,7 @@
 import os
 import io
 from urllib.parse import urlsplit
+from datetime import datetime
 
 from odoo import _, api, exceptions, models
 from ..s3uri import S3Uri
@@ -143,8 +144,16 @@ def _store_file_read(self, fname):
     @api.model
     def _store_file_write(self, key, bin_data):
         location = self.env.context.get('storage_location') or self._storage()
+        partition = self.env['ir.config_parameter'].sudo().get_param(
+            'ir_attachment.storage.partition',
+        )
         if location == 's3':
             bucket = self._get_s3_bucket()
+            if partition:
+                key = '%s/%s' % (
+                        datetime.now().strftime(partition),
+                        key
+                        )
             obj = bucket.Object(key=key)
             with io.BytesIO() as file:
                 file.write(bin_data)