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Abstract object storage in attachment_s3

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Using the base_attachment_object_storage module, the same way
attachment_swift is done. Fixed a few issues along the way in
attachment_swift.
This commit is contained in:
Guewen Baconnier
2017-09-20 15:42:25 +02:00
parent edc700c807
commit cbef735c76
4 changed files with 77 additions and 241 deletions
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base_attachment_object_storage/models/ir_attachment.py
+32 -6
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@@ -87,10 +87,29 @@ class IrAttachment(models.Model):
_super = super(IrAttachment, self)
return _super._file_read(fname, bin_size=bin_size)
def _store_file_read(self, fname, bin_size=False):
storage = fname.partition('://')[0]
raise NotImplementedError(
'No implementation for %s' % (storage,)
)
def _store_file_write(self, key, bin_data):
raise NotImplementedError(
'No implementation for %s' % (self.storage(),)
)
def _store_file_delete(self, fname):
storage = fname.partition('://')[0]
raise NotImplementedError(
'No implementation for %s' % (storage,)
)
@api.model
def _file_write(self, value, checksum):
if self._storage() in self._get_stores():
filename = self._store_file_write(value, checksum)
bin_data = value.decode('base64')
key = self._compute_checksum(bin_data)
filename = self._store_file_write(key, bin_data)
else:
filename = super(IrAttachment, self)._file_write(value, checksum)
return filename
@@ -99,6 +118,8 @@ class IrAttachment(models.Model):
def _file_delete(self, fname):
if self._is_file_from_a_store(fname):
cr = self.env.cr
# using SQL to include files hidden through unlink or due to record
# rules
cr.execute("SELECT COUNT(*) FROM ir_attachment "
"WHERE store_fname = %s", (fname,))
count = cr.fetchone()[0]
@@ -184,16 +205,21 @@ class IrAttachment(models.Model):
storage = self._storage()
if storage not in self._get_stores():
return super(IrAttachment, self).force_storage()
self._force_storage_to_object_storage()
@api.model
def _force_storage_to_object_storage(self, new_cr=False):
_logger.info('migrating files to the object storage')
storage = self._storage()
domain = ['!', ('store_fname', '=like', '{}://%'.format(storage)),
'|',
('res_field', '=', False),
('res_field', '!=', False)]
# We do a copy of the environment so we can workaround the
# cache issue below. We do not create a new cursor because
# it causes serialization issues due to concurrent updates on
# attachments during the installation
with self.do_in_new_env() as new_env:
# We do a copy of the environment so we can workaround the cache issue
# below. We do not create a new cursor by default because it causes
# serialization issues due to concurrent updates on attachments during
# the installation
with self.do_in_new_env(new_cr=new_cr) as new_env:
model_env = new_env['ir.attachment']
ids = model_env.search(domain).ids
for attachment_id in ids: