PyBitmessage/src/helper_sql.py

39 lines
946 B
Python

import threading
import Queue
sqlSubmitQueue = Queue.Queue() #SQLITE3 is so thread-unsafe that they won't even let you call it from different threads using your own locks. SQL objects can only be called from one thread.
sqlReturnQueue = Queue.Queue()
sqlLock = threading.Lock()
def sqlQuery(sqlStatement, *args):
sqlLock.acquire()
sqlSubmitQueue.put(sqlStatement)
if args == ():
sqlSubmitQueue.put('')
else:
sqlSubmitQueue.put(args)
queryreturn = sqlReturnQueue.get()
sqlLock.release()
return queryreturn
def sqlExecute(sqlStatement, *args):
sqlLock.acquire()
sqlSubmitQueue.put(sqlStatement)
if args == ():
sqlSubmitQueue.put('')
else:
sqlSubmitQueue.put(args)
sqlReturnQueue.get()
sqlSubmitQueue.put('commit')
sqlLock.release()
def sqlStoredProcedure(procName):
sqlLock.acquire()
sqlSubmitQueue.put(procName)
sqlLock.release()