I'm using python 3.2.2, sqlalchemy 0.7.4 and pyodbc 3.0.2
from sqlalchemy import create_engine, MetaData, Table
engine = create_engine('mssql+pyodbc://user:pass@dsn')
metadata = MetaData(engine)
my_view = Table("PGRDAT", metadata, autoload=True)
and getting this error:
Traceback (most recent call last):
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\pool.py", line 675, in _do_get
return self._pool.get(wait, self._timeout)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\util\queue.py", line 137, in get
raise Empty
sqlalchemy.util.queue.Empty
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "mssql_test.py", line 4, in <module>
my_view = Table("PGRDAT", metadata, autoload=True)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\schema.py", line 292, in __new__
table._init(name, metadata, *args, **kw)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\schema.py", line 353, in _init
self._autoload(metadata, autoload_with, include_columns)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\schema.py", line 377, in _autoload
self, include_columns
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\engine\base.py", line 2276, in run_callable
conn = self.contextual_connect()
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\engine\base.py", line 2342, in contextual_connect
self.pool.connect(),
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\pool.py", line 210, in connect
return _ConnectionFairy(self).checkout()
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\pool.py", line 371, in __init__
rec = self._connection_record = pool._do_get()
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\pool.py", line 697, in _do_get
con = self._create_connection()
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\pool.py", line 174, in _create_connection
return _ConnectionRecord(self)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\pool.py", line 259, in __init__
pool.dispatch.first_connect.exec_once(self.connection, self)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\event.py", line 262, in exec_once
self(*args, **kw)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\event.py", line 271, in __call__
fn(*args, **kw)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\engine\strategies.py", line 167, in first_connect
dialect.initialize(c)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\connectors\pyodbc.py", line 127, in initialize
super(PyODBCConnector, self).initialize(connection)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\dialects\mssql\base.py", line 1130, in initialize
super(MSDialect, self).initialize(connection)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\engine\default.py", line 176, in initialize
self._get_default_schema_name(connection)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\dialects\mssql\base.py", line 1146, in
_get_default_schema_name
user_name = connection.scalar("SELECT user_name() as user_name;")
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\engine\base.py", line 1339, in scalar
return self.execute(object, *multiparams, **params).scalar()
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\engine\base.py", line 1405, in execute
params)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\engine\base.py", line 1582, in _execute_text
statement, parameters
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\engine\base.py", line 1665, in _execute_context
result = context.get_result_proxy()
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\dialects\mssql\base.py", line 737, in get_result_proxy
return base.ResultProxy(self)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\engine\base.py", line 2722, in __init__
self._init_metadata()
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\engine\base.py", line 2729, in _init_metadata
self._metadata = ResultMetaData(self, metadata)
File "c:\Python32\lib\site-packages\sqlalchemy-0.7.4-py3.2.egg
\sqlalchemy\engine\base.py", line 2585, in __init__
colname = dialect._description_decoder(colname)
AttributeError: 'MSDialect_pyodbc' object has no attribute
'_description_decoder'
Any idea how to avoid this error?
Thanks in advance
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