bitbake: prserv/db: Threading fixes

Enabling threading for the PRServer causes a number of issues. Firstly is
the obtuse error:

sqlite3.InterfaceError: Error binding parameter 0 - probably unsupported type

which is due to the class not being derived from object. See:
http://docs.python.org/2/library/sqlite3.html#registering-an-adapter-callable

Secondly, we want to enable multithreadded access to the database so we do this
when we open it. This opens the way up to multithreading the PR server.

(Bitbake rev: 5709efc2ff1e36529bd28f49cd093ccfa7abff7f)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 4 insertions, 4 deletions

diff --git a/bitbake/lib/prserv/db.py b/bitbake/lib/prserv/db.py
index 9d8e9db9f2..7d74327c55 100644
--- a/bitbake/lib/prserv/db.py
+++ b/bitbake/lib/prserv/db.py
@@ -14,7 +14,7 @@ sqlversion = sqlite3.sqlite_version_info
 if sqlversion[0] < 3 or (sqlversion[0] == 3 and sqlversion[1] < 3):
     raise Exception("sqlite3 version 3.3.0 or later is required.")
 
-class PRTable():
+class PRTable(object):
     def __init__(self, conn, table, nohist):
         self.conn = conn
         self.nohist = nohist
@@ -223,7 +223,7 @@ class PRData(object):
         except OSError as e:
             if e.errno != errno.EEXIST:
                 raise e
-        self.connection=sqlite3.connect(self.filename, isolation_level="DEFERRED")
+        self.connection=sqlite3.connect(self.filename, isolation_level="DEFERRED", check_same_thread = False)
         self.connection.row_factory=sqlite3.Row
         self._tables={}
 
diff --git a/bitbake/lib/prserv/serv.py b/bitbake/lib/prserv/serv.py
index 6d0c7188ee..d6f3f44b04 100644
--- a/bitbake/lib/prserv/serv.py
+++ b/bitbake/lib/prserv/serv.py
@@ -165,7 +165,7 @@ class PRServer(SimpleXMLRPCServer):
         self.delpid()
         os._exit(0)
 
-class PRServSingleton():
+class PRServSingleton(object):
     def __init__(self, dbfile, logfile, interface):
         self.dbfile = dbfile
         self.logfile = logfile
@@ -182,7 +182,7 @@ class PRServSingleton():
     def getinfo(self):
         return (self.host, self.port)
 
-class PRServerConnection():
+class PRServerConnection(object):
     def __init__(self, host, port):
         if is_local_special(host, port):
             host, port = singleton.getinfo()