1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
# mxODBC.py
# Copyright (C) 2007 Fisch Asset Management AG http://www.fam.ch
# Coding: Alexander Houben alexander.houben@thor-solutions.ch
#
# This module is part of SQLAlchemy and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php
"""
A wrapper for a mx.ODBC.Windows DB-API connection.
Makes sure the mx module is configured to return datetime objects instead
of mx.DateTime.DateTime objects.
"""
from mx.ODBC.Windows import *
class Cursor:
def __init__(self, cursor):
self.cursor = cursor
def __getattr__(self, attr):
res = getattr(self.cursor, attr)
return res
def execute(self, *args, **kwargs):
res = self.cursor.execute(*args, **kwargs)
return res
class Connection:
def myErrorHandler(self, connection, cursor, errorclass, errorvalue):
err0, err1, err2, err3 = errorvalue
#print ", ".join(["Err%d: %s"%(x, errorvalue[x]) for x in range(4)])
if int(err1) == 109:
# Ignore "Null value eliminated in aggregate function", this is not an error
return
raise errorclass, errorvalue
def __init__(self, conn):
self.conn = conn
# install a mx ODBC error handler
self.conn.errorhandler = self.myErrorHandler
def __getattr__(self, attr):
res = getattr(self.conn, attr)
return res
def cursor(self, *args, **kwargs):
res = Cursor(self.conn.cursor(*args, **kwargs))
return res
# override 'connect' call
def connect(*args, **kwargs):
import mx.ODBC.Windows
conn = mx.ODBC.Windows.Connect(*args, **kwargs)
conn.datetimeformat = mx.ODBC.Windows.PYDATETIME_DATETIMEFORMAT
return Connection(conn)
Connect = connect
|
