Hi all, How do we debug these kind of issues in python ?. The problem was completely some where else, but error was thrown during database operation, with no info on the actual issue.
Srikanth On Sunday, November 29, 2015 at 8:13:45 PM UTC-6, Srikanth Bemineni wrote: > > Hi, > > I am going through the Pyramid quick tutorial. > > While initializing the database, I am getting the below error. Can some > one point me out, what would cause this error. I am completely new to > python and pyramid moving here from Ruby world. > > > http://docs.pylonsproject.org/projects/pyramid/en/latest/quick_tutorial/databases.html > > > izero@Rudra ~/devel/pyramid/databases $ > ~/python-site-dist/intialize_tutorial_db development.ini > 2015-11-29 20:02:46,173 INFO [sqlalchemy.engine.base.Engine][MainThread] > SELECT CAST('test plain returns' AS VARCHAR(60)) AS anon_1 > 2015-11-29 20:02:46,173 INFO [sqlalchemy.engine.base.Engine][MainThread] > () > 2015-11-29 20:02:46,173 INFO [sqlalchemy.engine.base.Engine][MainThread] > SELECT CAST('test unicode returns' AS VARCHAR(60)) AS anon_1 > 2015-11-29 20:02:46,173 INFO [sqlalchemy.engine.base.Engine][MainThread] > () > 2015-11-29 20:02:46,174 INFO [sqlalchemy.engine.base.Engine][MainThread] > PRAGMA table_info("wikipages") > 2015-11-29 20:02:46,174 INFO [sqlalchemy.engine.base.Engine][MainThread] > () > 2015-11-29 20:02:46,175 DEBUG [tutorial.initialize_db][MainThread] > <tutorial.models.Page object at 0xb658a8ac> > 2015-11-29 20:02:46,175 DEBUG [tutorial.initialize_db][MainThread] Root > Traceback (most recent call last): > File "/home/izero/python-site-dist/intialize_tutorial_db", line 9, in > <module> > load_entry_point('tutorial==0.0.0', 'console_scripts', > 'intialize_tutorial_db')() > File "/home/izero/devel/pyramid/databases/tutorial/initialize_db.py", > line 40, in main > DBSession.add(model) > File > "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/scoping.py", > > line 150, in do > return getattr(self.registry(), name)(*args, **kwargs) > File > "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/session.py", > > line 1588, in add > self._save_or_update_state(state) > File > "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/session.py", > > line 1600, in _save_or_update_state > self._save_or_update_impl(state) > File > "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/session.py", > > line 1855, in _save_or_update_impl > self._save_impl(state) > File > "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/session.py", > > line 1827, in _save_impl > self._attach(state) > File > "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/orm/session.py", > > line 1955, in _attach > self.dispatch.after_attach(self, state.obj()) > File > "/home/izero/python-site-dist/SQLAlchemy-1.0.9-py3.4-linux-i686.egg/sqlalchemy/event/attr.py", > > line 256, in __call__ > fn(*args, **kw) > TypeError: after_attach() missing 1 required positional argument: > 'instance' > > Srikanth > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
