[sqlalchemy] Re: Error Connecting to MSSQL using pyodbc and SqlAlchemy 0.5.0

2009-01-10 Thread Michael Bayer


On Jan 10, 2009, at 12:10 AM, Lukasz Szybalski wrote:


 On Fri, Jan 9, 2009 at 4:46 PM, Rick Morrison  
 rickmorri...@gmail.com wrote:
 The MSSQL connection string changed for the 0.5 final release. In
 particular, the dsn keyword is removed, and the pyodbc connection  
 string
 now expects the DSN to be named where the host was previously  
 placed, so
 the new connection URL would be:

   mssql://username:passw...@mydbodbc

 For fine-grained control over pyodbc connections, a new  
 odbc_connect
 keyword allows a full ODBC connection string to be specified.

 See the mssql module doc comments for details.


 ok.

 I'll test it out on monday..
 http://www.sqlalchemy.org/docs/05/reference/dialects/mssql.html#connecting


 ps. I miss the one page documentation(easier to search) , is that
 available or can be done with sphinx?


download the PDF, that's what it's for.I dont update it quite as  
frequently as the HTML docs tho.


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[sqlalchemy] Re: Error Connecting to MSSQL using pyodbc and SqlAlchemy 0.5.0

2009-01-09 Thread TJ Ninneman


On Jan 9, 2009, at 3:58 PM, TJ Ninneman wrote:


 Since I've been having troubles with pymssql and 0.5.0 I thought I
 would try pyodbc on my Mac.

 I'm able to connect and execute sql using isql without issue:

 isql -v MyDbODBC username password

 But when I connect through SqlAlchemy using:

 sqlalchemy.url = mssql://username:password@/?dsn=MyDbODBC

 I get:

 DBAPIError: (Error) ('0', '[0] [iODBC][Driver
 Manager]dlopen(FreeTDS, 6): image not found (0) (SQLDriverConnectW)')
 None None

 Any Ideas? What exactly does Image not found mean?

 Thanks!

 TJ

I run this in the context of Pylons...a sqlalchemy only example:

  import sqlalchemy
  engine = sqlalchemy.create_engine('mssql://username:password@/? 
dsn=MyDbODBC')
  con = engine.connect()
Traceback (most recent call last):
   File stdin, line 1, in module
   File /Users/tninneman/Development/twopeas/lib/python2.5/site- 
packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/engine/base.py, line  
1231, in connect
 return Connection(self, **kwargs)
   File /Users/tninneman/Development/twopeas/lib/python2.5/site- 
packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/engine/base.py, line  
538, in __init__
 self.__connection = connection or engine.raw_connection()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site- 
packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/engine/base.py, line  
1286, in raw_connection
 return self.pool.unique_connection()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site- 
packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 142, in  
unique_connection
 return _ConnectionFairy(self).checkout()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site- 
packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 323, in  
__init__
 rec = self._connection_record = pool.get()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site- 
packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 180, in  
get
 return self.do_get()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site- 
packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 615, in  
do_get
 con = self.create_connection()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site- 
packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 145, in  
create_connection
 return _ConnectionRecord(self)
   File /Users/tninneman/Development/twopeas/lib/python2.5/site- 
packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 217, in  
__init__
 self.connection = self.__connect()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site- 
packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 280, in  
__connect
 connection = self.__pool._creator()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site- 
packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/engine/strategies.py,  
line 80, in connect
 raise exceptions.DBAPIError.instance(None, None, e)
sqlalchemy.exceptions.DBAPIError: (Error) ('0', '[0] [iODBC] 
[Driver Manager]dlopen(FreeTDS, 6): image not found (0)  
(SQLDriverConnectW)') None None
 

TJ

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[sqlalchemy] Re: Error Connecting to MSSQL using pyodbc and SqlAlchemy 0.5.0

2009-01-09 Thread Lukasz Szybalski

On Fri, Jan 9, 2009 at 4:18 PM, TJ Ninneman t...@twopeasinabucket.com wrote:


 On Jan 9, 2009, at 3:58 PM, TJ Ninneman wrote:


 Since I've been having troubles with pymssql and 0.5.0 I thought I
 would try pyodbc on my Mac.

 I'm able to connect and execute sql using isql without issue:

 isql -v MyDbODBC username password

 But when I connect through SqlAlchemy using:

 sqlalchemy.url = mssql://username:password@/?dsn=MyDbODBC

 I get:

 DBAPIError: (Error) ('0', '[0] [iODBC][Driver
 Manager]dlopen(FreeTDS, 6): image not found (0) (SQLDriverConnectW)')
 None None

 Any Ideas? What exactly does Image not found mean?

 Thanks!

 TJ

 I run this in the context of Pylons...a sqlalchemy only example:

   import sqlalchemy
   engine = sqlalchemy.create_engine('mssql://username:password@/?
 dsn=MyDbODBC')
   con = engine.connect()
 Traceback (most recent call last):
   File stdin, line 1, in module
   File /Users/tninneman/Development/twopeas/lib/python2.5/site-
 packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/engine/base.py, line
 1231, in connect
 return Connection(self, **kwargs)
   File /Users/tninneman/Development/twopeas/lib/python2.5/site-
 packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/engine/base.py, line
 538, in __init__
 self.__connection = connection or engine.raw_connection()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site-
 packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/engine/base.py, line
 1286, in raw_connection
 return self.pool.unique_connection()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site-
 packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 142, in
 unique_connection
 return _ConnectionFairy(self).checkout()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site-
 packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 323, in
 __init__
 rec = self._connection_record = pool.get()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site-
 packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 180, in
 get
 return self.do_get()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site-
 packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 615, in
 do_get
 con = self.create_connection()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site-
 packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 145, in
 create_connection
 return _ConnectionRecord(self)
   File /Users/tninneman/Development/twopeas/lib/python2.5/site-
 packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 217, in
 __init__
 self.connection = self.__connect()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site-
 packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/pool.py, line 280, in
 __connect
 connection = self.__pool._creator()
   File /Users/tninneman/Development/twopeas/lib/python2.5/site-
 packages/SQLAlchemy-0.4.8-py2.5.egg/sqlalchemy/engine/strategies.py,
 line 80, in connect
 raise exceptions.DBAPIError.instance(None, None, e)
 sqlalchemy.exceptions.DBAPIError: (Error) ('0', '[0] [iODBC]
 [Driver Manager]dlopen(FreeTDS, 6): image not found (0)
 (SQLDriverConnectW)') None None
  


What is mac using to connect to mssql? For example on unix there is a
freetds (free version of ms driver for sql server) and unixodbc. If
mac is using the same thing then you can try:

http://lucasmanual.com/mywiki/PythonManual#head-0e30402e75b2d4a8a032e6830813b779a34636e3

aka.
install unixodbc, crate driver name and connect using the connection
string mentioned there.

Lucas

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[sqlalchemy] Re: Error Connecting to MSSQL using pyodbc and SqlAlchemy 0.5.0

2009-01-09 Thread Rick Morrison
The MSSQL connection string changed for the 0.5 final release. In
particular, the dsn keyword is removed, and the pyodbc connection string
now expects the DSN to be named where the host was previously placed, so
the new connection URL would be:

   mssql://username:passw...@mydbodbc

For fine-grained control over pyodbc connections, a new odbc_connect
keyword allows a full ODBC connection string to be specified.

See the mssql module doc comments for details.

Rick

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[sqlalchemy] Re: Error Connecting to MSSQL using pyodbc and SqlAlchemy 0.5.0

2009-01-09 Thread Lukasz Szybalski

On Fri, Jan 9, 2009 at 4:46 PM, Rick Morrison rickmorri...@gmail.com wrote:
 The MSSQL connection string changed for the 0.5 final release. In
 particular, the dsn keyword is removed, and the pyodbc connection string
 now expects the DSN to be named where the host was previously placed, so
 the new connection URL would be:

mssql://username:passw...@mydbodbc

 For fine-grained control over pyodbc connections, a new odbc_connect
 keyword allows a full ODBC connection string to be specified.

 See the mssql module doc comments for details.


ok.

I'll test it out on monday..
http://www.sqlalchemy.org/docs/05/reference/dialects/mssql.html#connecting


ps. I miss the one page documentation(easier to search) , is that
available or can be done with sphinx?

Thanks,
Lucas

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[sqlalchemy] Re: Error Connecting to MSSQL using pyodbc and SqlAlchemy 0.5.0

2009-01-09 Thread Michael Trier
Hi,
On Sat, Jan 10, 2009 at 12:10 AM, Lukasz Szybalski szybal...@gmail.comwrote:


 On Fri, Jan 9, 2009 at 4:46 PM, Rick Morrison rickmorri...@gmail.com
 wrote:
  The MSSQL connection string changed for the 0.5 final release. In
  particular, the dsn keyword is removed, and the pyodbc connection
 string
  now expects the DSN to be named where the host was previously placed,
 so
  the new connection URL would be:
 
 mssql://username:passw...@mydbodbc
 

We actually left support for that in there just so we wouldn't break
everyone's connection strings, but you should use the new syntax.


 ps. I miss the one page documentation(easier to search) , is that
 available or can be done with sphinx?


Have you tried the sphinx search? I think it's the best thing ever.  Very
handy and fast.

-- 
Michael Trier
http://blog.michaeltrier.com/
http://thisweekindjango.com/

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