diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index d1b625dc30..d963af5c89 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -27,9 +27,17 @@ import sys
import time
import threading
+from six import itervalues, iterkeys, iteritems
+from six.moves import intern, range
logger = logging.getLogger(__name__)
+try:
+ MAX_TXN_ID = sys.maxint - 1
+except AttributeError:
+ # python 3 does not have a maximum int value
+ MAX_TXN_ID = 2**63 - 1
+
sql_logger = logging.getLogger("synapse.storage.SQL")
transaction_logger = logging.getLogger("synapse.storage.txn")
perf_logger = logging.getLogger("synapse.storage.TIME")
@@ -134,7 +142,7 @@ class PerformanceCounters(object):
def interval(self, interval_duration, limit=3):
counters = []
- for name, (count, cum_time) in self.current_counters.iteritems():
+ for name, (count, cum_time) in iteritems(self.current_counters):
prev_count, prev_time = self.previous_counters.get(name, (0, 0))
counters.append((
(cum_time - prev_time) / interval_duration,
@@ -219,7 +227,7 @@ class SQLBaseStore(object):
# We don't really need these to be unique, so lets stop it from
# growing really large.
- self._TXN_ID = (self._TXN_ID + 1) % (sys.maxint - 1)
+ self._TXN_ID = (self._TXN_ID + 1) % (MAX_TXN_ID)
name = "%s-%x" % (desc, txn_id, )
@@ -540,7 +548,7 @@ class SQLBaseStore(object):
", ".join("%s = ?" % (k,) for k in values),
" AND ".join("%s = ?" % (k,) for k in keyvalues)
)
- sqlargs = values.values() + keyvalues.values()
+ sqlargs = list(values.values()) + list(keyvalues.values())
txn.execute(sql, sqlargs)
if txn.rowcount > 0:
@@ -558,7 +566,7 @@ class SQLBaseStore(object):
", ".join(k for k in allvalues),
", ".join("?" for _ in allvalues)
)
- txn.execute(sql, allvalues.values())
+ txn.execute(sql, list(allvalues.values()))
# successfully inserted
return True
@@ -626,8 +634,8 @@ class SQLBaseStore(object):
}
if keyvalues:
- sql += " WHERE %s" % " AND ".join("%s = ?" % k for k in keyvalues.iterkeys())
- txn.execute(sql, keyvalues.values())
+ sql += " WHERE %s" % " AND ".join("%s = ?" % k for k in iterkeys(keyvalues))
+ txn.execute(sql, list(keyvalues.values()))
else:
txn.execute(sql)
@@ -691,7 +699,7 @@ class SQLBaseStore(object):
table,
" AND ".join("%s = ?" % (k, ) for k in keyvalues)
)
- txn.execute(sql, keyvalues.values())
+ txn.execute(sql, list(keyvalues.values()))
else:
sql = "SELECT %s FROM %s" % (
", ".join(retcols),
@@ -722,9 +730,12 @@ class SQLBaseStore(object):
if not iterable:
defer.returnValue(results)
+ # iterables can not be sliced, so convert it to a list first
+ it_list = list(iterable)
+
chunks = [
- iterable[i:i + batch_size]
- for i in xrange(0, len(iterable), batch_size)
+ it_list[i:i + batch_size]
+ for i in range(0, len(it_list), batch_size)
]
for chunk in chunks:
rows = yield self.runInteraction(
@@ -764,7 +775,7 @@ class SQLBaseStore(object):
)
values.extend(iterable)
- for key, value in keyvalues.iteritems():
+ for key, value in iteritems(keyvalues):
clauses.append("%s = ?" % (key,))
values.append(value)
@@ -787,7 +798,7 @@ class SQLBaseStore(object):
@staticmethod
def _simple_update_txn(txn, table, keyvalues, updatevalues):
if keyvalues:
- where = "WHERE %s" % " AND ".join("%s = ?" % k for k in keyvalues.iterkeys())
+ where = "WHERE %s" % " AND ".join("%s = ?" % k for k in iterkeys(keyvalues))
else:
where = ""
@@ -799,7 +810,7 @@ class SQLBaseStore(object):
txn.execute(
update_sql,
- updatevalues.values() + keyvalues.values()
+ list(updatevalues.values()) + list(keyvalues.values())
)
return txn.rowcount
@@ -847,7 +858,7 @@ class SQLBaseStore(object):
" AND ".join("%s = ?" % (k,) for k in keyvalues)
)
- txn.execute(select_sql, keyvalues.values())
+ txn.execute(select_sql, list(keyvalues.values()))
row = txn.fetchone()
if not row:
@@ -885,7 +896,7 @@ class SQLBaseStore(object):
" AND ".join("%s = ?" % (k, ) for k in keyvalues)
)
- txn.execute(sql, keyvalues.values())
+ txn.execute(sql, list(keyvalues.values()))
if txn.rowcount == 0:
raise StoreError(404, "No row found")
if txn.rowcount > 1:
@@ -903,7 +914,7 @@ class SQLBaseStore(object):
" AND ".join("%s = ?" % (k, ) for k in keyvalues)
)
- return txn.execute(sql, keyvalues.values())
+ return txn.execute(sql, list(keyvalues.values()))
def _simple_delete_many(self, table, column, iterable, keyvalues, desc):
return self.runInteraction(
@@ -935,7 +946,7 @@ class SQLBaseStore(object):
)
values.extend(iterable)
- for key, value in keyvalues.iteritems():
+ for key, value in iteritems(keyvalues):
clauses.append("%s = ?" % (key,))
values.append(value)
@@ -975,7 +986,7 @@ class SQLBaseStore(object):
txn.close()
if cache:
- min_val = min(cache.itervalues())
+ min_val = min(itervalues(cache))
else:
min_val = max_value
@@ -1090,7 +1101,7 @@ class SQLBaseStore(object):
" AND ".join("%s = ?" % (k,) for k in keyvalues),
" ? ASC LIMIT ? OFFSET ?"
)
- txn.execute(sql, keyvalues.values() + pagevalues)
+ txn.execute(sql, list(keyvalues.values()) + list(pagevalues))
else:
sql = "SELECT %s FROM %s ORDER BY %s" % (
", ".join(retcols),
|
