this is a known Python 3 specific issue which will be fixed in 0.8 and is ticket 2638: http://www.sqlalchemy.org/trac/ticket/2638.
Python 3 + pyodbc is not an environment that's been tested as of yet. On Jan 9, 2013, at 7:35 AM, Stephen Ray wrote: > My envirionment is SQLAlchemy 0.7.9, pyodbc 3.0.2, Python 3.2, and SQL Server > 2008 R2 running on Windows 7 > > I have the following Python (details of the connection url removed - the > connection to the db succeeds): > > from sqlalchemy import create_engine, MetaData, Table > engine = create_engine(dburl, description_encoding=none) > meta = MetaData(engine) > meta.reflect(None, None, False, ['Exercise']) > > The final line causes the following exception: > > Traceback (most recent call last): > File > "C:\Subversion\ProFormGraphMetrics\ProFormGraphMetrics\ProFormGraphMetrics.py", > line 13, in <module> meta.reflect(None,None,False,['Exercise']) > File > "C:\Python32\lib\site-packages\sqlalchemy-0.7.9-py3.2.egg\sqlalchemy\schema.py", > line 2507, in reflect connection=conn)) > File > "C:\Python32\lib\site-packages\sqlalchemy-0.7.9-py3.2.egg\sqlalchemy\engine\base.py", > line 2511, in table_names return self.dialect.get_table_names(conn, schema) > File "<string>", line 1, in <lambda> File > "C:\Python32\lib\site-packages\sqlalchemy-0.7.9-py3.2.egg\sqlalchemy\engine\reflection.py", > line 39, in cache return fn(self, con, *args, **kw) > File > "C:\Python32\lib\site-packages\sqlalchemy-0.7.9-py3.2.egg\sqlalchemy\dialects\mssql\base.py", > line 1233, in get_table_names table_names = [r[0] for r in > connection.execute(s)] > File > "C:\Python32\lib\site-packages\sqlalchemy-0.7.9-py3.2.egg\sqlalchemy\engine\base.py", > line 1449, in execute params) > File > "C:\Python32\lib\site-packages\sqlalchemy-0.7.9-py3.2.egg\sqlalchemy\engine\base.py", > line 1584, in _execute_clauseelement compiled_sql, distilled_params > File > "C:\Python32\lib\site-packages\sqlalchemy-0.7.9-py3.2.egg\sqlalchemy\engine\base.py", > line 1651, in _execute_context None, None) > File > "C:\Python32\lib\site-packages\sqlalchemy-0.7.9-py3.2.egg\sqlalchemy\engine\base.py", > line 1843, in _handle_dbapi_exception from e > sqlalchemy.exc.StatementError: 'str' object has no attribute 'decode' > (original > cause: AttributeError: 'str' object has no attribute 'decode') 'SELECT > [TABLES_1 > ].[TABLE_NAME] \nFROM [INFORMATION_SCHEMA].[TABLES] AS [TABLES_1] \nWHERE > [TABLE > S_1].[TABLE_SCHEMA] = ? AND [TABLES_1].[TABLE_TYPE] = ? ORDER BY > [TABLES_1].[TAB > LE_NAME]' [] > > Since (from my reading of the Python documentation) str.decode() is removed > in Python 3.2 I suspect the 2to3 conversion script is not being run on > install of sqlalchemy. I have installed SQLAlchemy with both easy_install and > by running "Python setup.py install" on the downloaded source but have not > been able to get beyond this error. > > Any help or guidance would be most appreciated. > > > > > > > > > > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To view this discussion on the web visit > https://groups.google.com/d/msg/sqlalchemy/-/vnVvHdbYBQ4J. > To post to this group, send email to sqlalchemy@googlegroups.com. > To unsubscribe from this group, send email to > sqlalchemy+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/sqlalchemy?hl=en. -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com. To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.
