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authorVictor Shyba <victor.shyba@gmail.com>2016-09-16 04:13:26 -0300
committerdrebs <drebs@leap.se>2016-12-12 09:11:58 -0200
commit81f97ec532a13dc57bf23a44dab3d44d12cc2ba4 (patch)
tree1f5cc0e7ecc2b8982af68d951d0ede1871e10c8f /common/src/leap
parent4fde2537564ee298b967184bfdbe48cb963a8bd6 (diff)
[feature] get attachments as generator runs
Instead of getting the attachments as the generator runs, get_docs will now get as needed. Also, deepcopy solves a memory issue where we were feeding the couchdb lib view with blobs while modifying it unintentionally.
Diffstat (limited to 'common/src/leap')
-rw-r--r--common/src/leap/soledad/common/couch/__init__.py32
1 files changed, 22 insertions, 10 deletions
diff --git a/common/src/leap/soledad/common/couch/__init__.py b/common/src/leap/soledad/common/couch/__init__.py
index 0f4102db..d751747d 100644
--- a/common/src/leap/soledad/common/couch/__init__.py
+++ b/common/src/leap/soledad/common/couch/__init__.py
@@ -20,6 +20,7 @@
import json
+import copy
import re
import uuid
import binascii
@@ -337,14 +338,22 @@ class CouchDatabase(object):
in matching doc_ids order.
:rtype: iterable
"""
- params = {'include_docs': 'true', 'attachments': 'true'}
+ params = {'include_docs': 'true', 'attachments': 'false'}
if doc_ids is not None:
params['keys'] = doc_ids
view = self._database.view("_all_docs", **params)
for row in view.rows:
- result = row['doc']
+ result = copy.deepcopy(row['doc'])
+ attachment_file_names = result['_attachments'].keys()
+ result['_attachments'] = {}
+ for file_name in attachment_file_names:
+ result['_attachments'][file_name] = {
+ 'data': json.load(
+ self._database.get_attachment(result, file_name))
+ }
doc = self.__parse_doc_from_couch(
- result, result['_id'], check_for_conflicts=check_for_conflicts)
+ result, result['_id'],
+ check_for_conflicts=check_for_conflicts, decode=False)
# filter out non-u1db or deleted documents
if not doc or (not include_deleted and doc.is_tombstone()):
continue
@@ -408,7 +417,7 @@ class CouchDatabase(object):
self.batch_docs.clear()
return rev
- def __parse_doc_from_couch(self, result, doc_id,
+ def __parse_doc_from_couch(self, result, doc_id, decode=True,
check_for_conflicts=False):
# restrict to u1db documents
if 'u1db_rev' not in result:
@@ -418,19 +427,22 @@ class CouchDatabase(object):
if '_attachments' not in result \
or 'u1db_content' not in result['_attachments']:
doc.make_tombstone()
- else:
+ elif decode:
doc.content = json.loads(
binascii.a2b_base64(
result['_attachments']['u1db_content']['data']))
+ else:
+ doc.content = result['_attachments']['u1db_content']['data']
# determine if there are conflicts
if check_for_conflicts \
and '_attachments' in result \
and 'u1db_conflicts' in result['_attachments']:
- doc.set_conflicts(
- self._build_conflicts(
- doc.doc_id,
- json.loads(binascii.a2b_base64(
- result['_attachments']['u1db_conflicts']['data']))))
+ if decode:
+ conflicts = json.loads(binascii.a2b_base64(
+ result['_attachments']['u1db_conflicts']['data']))
+ else:
+ conflicts = result['_attachments']['u1db_conflicts']['data']
+ doc.set_conflicts(self._build_conflicts(doc.doc_id, conflicts))
# store couch revision
doc.couch_rev = result['_rev']
return doc