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-rw-r--r--common/src/leap/soledad/common/couch.py27
1 files changed, 23 insertions, 4 deletions
diff --git a/common/src/leap/soledad/common/couch.py b/common/src/leap/soledad/common/couch.py
index 3b120cd1..8c152353 100644
--- a/common/src/leap/soledad/common/couch.py
+++ b/common/src/leap/soledad/common/couch.py
@@ -434,7 +434,14 @@ class CouchDatabase(CommonBackend):
self._set_replica_uid(replica_uid)
if ensure_ddocs:
self.ensure_ddocs_on_db()
- self.cache = {}
+ self._cache = None
+
+ @property
+ def cache(self):
+ if self._cache is not None:
+ return self._cache
+ else:
+ return {}
def ensure_ddocs_on_db(self):
"""
@@ -513,7 +520,10 @@ class CouchDatabase(CommonBackend):
:rtype: str
"""
if self._real_replica_uid is not None:
+ self.cache[self._url] = {'replica_uid': self._real_replica_uid}
return self._real_replica_uid
+ if self._url in self.cache:
+ return self.cache[self._url]['replica_uid']
try:
# grab replica_uid from server
doc = self._database['u1db_config']
@@ -551,10 +561,13 @@ class CouchDatabase(CommonBackend):
unknown reason.
"""
# query a couch list function
+ if self.replica_uid + '_gen' in self.cache:
+ return self.cache[self.replica_uid + '_gen']['generation']
ddoc_path = ['_design', 'transactions', '_list', 'generation', 'log']
res = self._database.resource(*ddoc_path)
try:
response = res.get_json()
+ self.cache[self.replica_uid + '_gen'] = response[2]
return response[2]['generation']
except ResourceNotFound as e:
raise_missing_design_doc_error(e, ddoc_path)
@@ -582,11 +595,15 @@ class CouchDatabase(CommonBackend):
design document for an yet
unknown reason.
"""
+ if self.replica_uid + '_gen' in self.cache:
+ response = self.cache[self.replica_uid + '_gen']
+ return (response['generation'], response['transaction_id'])
# query a couch list function
ddoc_path = ['_design', 'transactions', '_list', 'generation', 'log']
res = self._database.resource(*ddoc_path)
try:
response = res.get_json()
+ self.cache[self.replica_uid + '_gen'] = response[2]
return (response[2]['generation'], response[2]['transaction_id'])
except ResourceNotFound as e:
raise_missing_design_doc_error(e, ddoc_path)
@@ -846,6 +863,10 @@ class CouchDatabase(CommonBackend):
doc.doc_id, body=buf.getvalue(), headers=envelope.headers)
except ResourceConflict:
raise RevisionConflict()
+ if self.replica_uid + '_gen' in self.cache:
+ gen_info = self.cache[self.replica_uid + '_gen']
+ gen_info['generation'] += 1
+ gen_info['transaction_id'] = transactions[-1][1]
def put_doc(self, doc):
"""
@@ -1366,7 +1387,7 @@ class CouchServerState(ServerState):
Inteface of the WSGI server with the CouchDB backend.
"""
- def __init__(self, couch_url, cache=None):
+ def __init__(self, couch_url):
"""
Initialize the couch server state.
@@ -1374,7 +1395,6 @@ class CouchServerState(ServerState):
:type couch_url: str
"""
self.couch_url = couch_url
- self.cache = cache or {}
def open_database(self, dbname):
"""
@@ -1390,7 +1410,6 @@ class CouchServerState(ServerState):
self.couch_url,
dbname,
ensure_ddocs=False)
- db.cache = self.cache
return db
def ensure_database(self, dbname):