Bitmessage/PyBitmessage-2024-12-08
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helper_sql formating

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Mahendra 2018-04-07 12:59:09 +05:30
parent 5a2bac7e8c
commit 21922251e2
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GPG Key ID: A672D8FAAEE398B3
1 changed files with 16 additions and 12 deletions
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24
src/helper_sql.py
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@ -1,22 +1,26 @@
"""Helper Sql performs sql operations."""
import threading import threading
import Queue 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. 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() sqlReturnQueue = Queue.Queue()
sqlLock = threading.Lock() sqlLock = threading.Lock()
def sqlQuery(sqlStatement, *args): def sqlQuery(sqlStatement, *args):
sqlLock.acquire() sqlLock.acquire()
sqlSubmitQueue.put(sqlStatement) sqlSubmitQueue.put(sqlStatement)
if args == (): if args == ():
sqlSubmitQueue.put('') sqlSubmitQueue.put('')
elif type(args[0]) in [list, tuple]: elif isinstance(args[0], (list, tuple)):
sqlSubmitQueue.put(args[0]) sqlSubmitQueue.put(args[0])
else: else:
sqlSubmitQueue.put(args) sqlSubmitQueue.put(args)
queryreturn, _ = sqlReturnQueue.get()
queryreturn, rowcount = sqlReturnQueue.get()
sqlLock.release() sqlLock.release()
return queryreturn return queryreturn
@ -60,7 +64,6 @@ def sqlExecute(sqlStatement, *args):
sqlSubmitQueue.put('') sqlSubmitQueue.put('')
else: else:
sqlSubmitQueue.put(args) sqlSubmitQueue.put(args)
queryreturn, rowcount = sqlReturnQueue.get() queryreturn, rowcount = sqlReturnQueue.get()
sqlSubmitQueue.put('commit') sqlSubmitQueue.put('commit')
sqlLock.release() sqlLock.release()
@ -71,25 +74,27 @@ def sqlStoredProcedure(procName):
sqlSubmitQueue.put(procName) sqlSubmitQueue.put(procName)
sqlLock.release() sqlLock.release()
class SqlBulkExecute: class SqlBulkExecute:
def __enter__(self): def __enter__(self):
sqlLock.acquire() sqlLock.acquire()
return self return self
def __exit__(self, type, value, traceback): def __exit__(self, exc_type, value, traceback):
sqlSubmitQueue.put('commit') sqlSubmitQueue.put('commit')
sqlLock.release() sqlLock.release()
def execute(self, sqlStatement, *args): @staticmethod
def execute(sqlStatement, *args):
sqlSubmitQueue.put(sqlStatement) sqlSubmitQueue.put(sqlStatement)
if args == (): if args == ():
sqlSubmitQueue.put('') sqlSubmitQueue.put('')
else: else:
sqlSubmitQueue.put(args) sqlSubmitQueue.put(args)
sqlReturnQueue.get() sqlReturnQueue.get()
def query(self, sqlStatement, *args): @staticmethod
def query(sqlStatement, *args):
sqlSubmitQueue.put(sqlStatement) sqlSubmitQueue.put(sqlStatement)
if args == (): if args == ():
@ -97,4 +102,3 @@ class SqlBulkExecute:
else: else:
sqlSubmitQueue.put(args) sqlSubmitQueue.put(args)
return sqlReturnQueue.get() return sqlReturnQueue.get()