Bitmessage/PyBitmessage-2024-11-28
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helper_sql pylint fixes

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lakshyacis 2019-10-10 12:56:39 +05:30
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commit e47b573b3e
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src/helper_sql.py
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@ -2,9 +2,11 @@
SQL-related functions defined here are really pass the queries (or other SQL SQL-related functions defined here are really pass the queries (or other SQL
commands) to :class:`.threads.sqlThread` through `sqlSubmitQueue` queue and check commands) to :class:`.threads.sqlThread` through `sqlSubmitQueue` queue and check
or return the result got from `sqlReturnQueue`. or return the result got from `sqlReturnQueue`.
This is done that way because :mod:`sqlite3` is so thread-unsafe that they This is done that way because :mod:`sqlite3` is so thread-unsafe that they
won't even let you call it from different threads using your own locks. won't even let you call it from different threads using your own locks.
SQLite objects can only be used from one thread. SQLite objects can only be used from one thread.
.. note:: This actually only applies for certain deployments, and/or .. note:: This actually only applies for certain deployments, and/or
really old version of sqlite. I haven't actually seen it anywhere. really old version of sqlite. I haven't actually seen it anywhere.
Current versions do have support for threading and multiprocessing. Current versions do have support for threading and multiprocessing.
@ -92,13 +94,15 @@ def sqlExecute(sqlStatement, *args):
sqlLock.release() sqlLock.release()
return rowcount return rowcount
def sqlStoredProcedure(procName): def sqlStoredProcedure(procName):
"""Schedule procName to be run"""
sqlLock.acquire() sqlLock.acquire()
sqlSubmitQueue.put(procName) sqlSubmitQueue.put(procName)
sqlLock.release() sqlLock.release()
class SqlBulkExecute: class SqlBulkExecute(object):
"""This is used when you have to execute the same statement in a cycle.""" """This is used when you have to execute the same statement in a cycle."""
def __enter__(self): def __enter__(self):