Merge commit 'refs/pull/397/head' of https://github.com/camptocamp/od…

…oo-cloud-platform into 16.0-6907

attachment_s3/models/ir_attachment.py

@@ -23,6 +23,18 @@
     _logger.debug("Cannot 'import boto3'.")
 
 
+class S3BucketClientRegistry(object):
+    bucket_dict = {}
+
+    @classmethod
+    def get_bucket_client(cls, bucket_name):
+        return cls.bucket_dict.get(bucket_name)
+
+    @classmethod
+    def set_bucket_client(cls, bucket_name, bucket_obj):
+        cls.bucket_dict[bucket_name] = bucket_obj
+
+
 class IrAttachment(models.Model):
     _inherit = "ir.attachment"
 
@@ -80,6 +92,10 @@ def _get_s3_bucket(self, name=None):
 
             raise exceptions.UserError(msg)
         # try:
+        # get instanciated bucket from bucket_dict
+        bucket = S3BucketClientRegistry.get_bucket_client(bucket_name)
+        if bucket:
+            return bucket
         s3 = boto3.resource("s3", **params)
         bucket = s3.Bucket(bucket_name)
         exists = True
@@ -104,6 +120,8 @@ def _get_s3_bucket(self, name=None):
                     Bucket=bucket_name,
                     CreateBucketConfiguration={"LocationConstraint": region_name},
                 )
+        # store instanciated bucket to bucket_dict
+        S3BucketClientRegistry.set_bucket_client(bucket_name, bucket)
         return bucket
 
     @api.model