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sqlite flake8 fixes

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lakshyacis 2019-09-25 13:07:29 +05:30
parent ac341482d4
commit 54ebbcb7db
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1 changed files with 14 additions and 10 deletions
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22
src/storage/sqlite.py
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@ -1,12 +1,11 @@
import collections from threading import RLock
from threading import current_thread, enumerate as threadingEnumerate, RLock
import Queue
import sqlite3 import sqlite3
import time import time
from helper_sql import * from helper_sql import sqlQuery, SqlBulkExecute, sqlExecute
from storage import InventoryStorage, InventoryItem from storage import InventoryStorage, InventoryItem
class SqliteInventory(InventoryStorage): class SqliteInventory(InventoryStorage):
def __init__(self): def __init__(self):
super(self.__class__, self).__init__() super(self.__class__, self).__init__()
@ -36,7 +35,9 @@ class SqliteInventory(InventoryStorage):
with self.lock: with self.lock:
if hash in self._inventory: if hash in self._inventory:
return self._inventory[hash] return self._inventory[hash]
rows = sqlQuery('SELECT objecttype, streamnumber, payload, expirestime, tag FROM inventory WHERE hash=?', sqlite3.Binary(hash)) rows = sqlQuery(
'SELECT objecttype, streamnumber, payload, expirestime, tag FROM inventory WHERE hash=?',
sqlite3.Binary(hash))
if not rows: if not rows:
raise KeyError(hash) raise KeyError(hash)
return InventoryItem(*rows[0]) return InventoryItem(*rows[0])
@ -63,18 +64,22 @@ class SqliteInventory(InventoryStorage):
def by_type_and_tag(self, objectType, tag): def by_type_and_tag(self, objectType, tag):
with self.lock: with self.lock:
values = [value for value in self._inventory.values() if value.type == objectType and value.tag == tag] values = [value for value in self._inventory.values() if value.type == objectType and value.tag == tag]
values += (InventoryItem(*value) for value in sqlQuery('SELECT objecttype, streamnumber, payload, expirestime, tag FROM inventory WHERE objecttype=? AND tag=?', objectType, sqlite3.Binary(tag))) values += (InventoryItem(*value) for value in sqlQuery(
'SELECT objecttype, streamnumber, payload, expirestime, tag \
FROM inventory WHERE objecttype=? AND tag=?', objectType, sqlite3.Binary(tag)))
return values return values
def unexpired_hashes_by_stream(self, stream): def unexpired_hashes_by_stream(self, stream):
with self.lock: with self.lock:
t = int(time.time()) t = int(time.time())
hashes = [x for x, value in self._inventory.items() if value.stream == stream and value.expires > t] hashes = [x for x, value in self._inventory.items() if value.stream == stream and value.expires > t]
hashes += (str(payload) for payload, in sqlQuery('SELECT hash FROM inventory WHERE streamnumber=? AND expirestime>?', stream, t)) hashes += (str(payload) for payload, in sqlQuery(
'SELECT hash FROM inventory WHERE streamnumber=? AND expirestime>?', stream, t))
return hashes return hashes
def flush(self): def flush(self):
with self.lock: # If you use both the inventoryLock and the sqlLock, always use the inventoryLock OUTSIDE of the sqlLock. with self.lock:
# If you use both the inventoryLock and the sqlLock, always use the inventoryLock OUTSIDE of the sqlLock.
with SqlBulkExecute() as sql: with SqlBulkExecute() as sql:
for objectHash, value in self._inventory.items(): for objectHash, value in self._inventory.items():
sql.execute('INSERT INTO inventory VALUES (?, ?, ?, ?, ?, ?)', sqlite3.Binary(objectHash), *value) sql.execute('INSERT INTO inventory VALUES (?, ?, ?, ?, ?, ?)', sqlite3.Binary(objectHash), *value)
@ -86,4 +91,3 @@ class SqliteInventory(InventoryStorage):
self._objects.clear() self._objects.clear()
for objectHash, value in self._inventory.items(): for objectHash, value in self._inventory.items():
self._objects[objectHash] = value.stream self._objects[objectHash] = value.stream