[SQL-CVS] r2593 - in SQLObject/branches/0.7: docs sqlobject/mysql

[<sub...@co...>]

Author: phd
Date: 2007-04-25 08:52:51 -0600 (Wed, 25 Apr 2007)
New Revision: 2593

Modified:
   SQLObject/branches/0.7/docs/News.txt
   SQLObject/branches/0.7/sqlobject/mysql/mysqlconnection.py
Log:
Applied the patch 1653898: properly initialize MySQL connection encoding.


Modified: SQLObject/branches/0.7/docs/News.txt
===================================================================
--- SQLObject/branches/0.7/docs/News.txt	2007-04-25 14:17:43 UTC (rev 2592)
+++ SQLObject/branches/0.7/docs/News.txt	2007-04-25 14:52:51 UTC (rev 2593)
@@ -23,6 +23,8 @@
   their parameter must be a string; now you can pass an SQLExpression:
   Table.q.name.contains(func.upper('a')), for example.
 
+* Yet another patch to properly initialize MySQL connection encoding.
+
 SQLObject 0.7.5
 ===============
 

Modified: SQLObject/branches/0.7/sqlobject/mysql/mysqlconnection.py
===================================================================
--- SQLObject/branches/0.7/sqlobject/mysql/mysqlconnection.py	2007-04-25 14:17:43 UTC (rev 2592)
+++ SQLObject/branches/0.7/sqlobject/mysql/mysqlconnection.py	2007-04-25 14:52:51 UTC (rev 2593)
@@ -48,6 +48,13 @@
     connectionFromURI = classmethod(connectionFromURI)
 
     def makeConnection(self):
+        from MySQLdb.connections import Connection
+        if not hasattr(Connection, 'set_character_set'):
+            # monkeypatch pre MySQLdb 1.2.1
+            encoding = self.dbEncoding
+            def character_set_name(self):
+                return encoding + '_' + encoding
+            Connection.character_set_name = character_set_name
         try:
             conn = self.module.connect(host=self.host, port=self.port,
                 db=self.db, user=self.user, passwd=self.password, **self.kw)
@@ -62,6 +69,12 @@
         if hasattr(conn, 'autocommit'):
             conn.autocommit(bool(self.autoCommit))
 
+        if hasattr(conn, 'set_character_set'): # MySQLdb 1.2.1 and later
+            conn.set_character_set(self.dbEncoding)
+        else: # pre MySQLdb 1.2.1
+            # works along with monkeypatching code above
+            conn.query("SET NAMES %s" % self.dbEncoding)
+
         return conn
 
     def _setAutoCommit(self, conn, auto):
@@ -71,13 +84,11 @@
     def _executeRetry(self, conn, cursor, query):
         while 1:
             try:
-                if self.need_unicode:
-                    # For MysqlDB 1.2.1 and later, we go
-                    # encoding->unicode->charset (in the mysql db)
-                    myquery = unicode(query, self.encoding)
-                    return cursor.execute(myquery)
-                else:
-                    return cursor.execute(query)
+                # For MySQLdb 1.2.1 and later, we go
+                # encoding->unicode->charset (in the mysql db)
+                if self.need_unicode and not isinstance(query, unicode):
+                    query = unicode(query, self.encoding)
+                return cursor.execute(query)
             except MySQLdb.OperationalError, e:
                 if e.args[0] == 2013: # SERVER_LOST error
                     if self.debug: