this appears to be an Elixir issue, check on their list.
kportertx wrote:
>
> for some reason I cannot get my session to commit within a class
>
> Here is the error.
> Traceback (most recent call last):
> File "/usr/local/lib/python2.6/dist-packages/cherrypy/
> _cprequest.py", line 606, in respond
> cherrypy.response.body = self.handler()
> File "/usr/local/lib/python2.6/dist-packages/cherrypy/
> _cpdispatch.py", line 25, in __call__
> return self.callable(*self.args, **self.kwargs)
> File "WebTest.py", line 106, in index
> session.flush()
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/orm/
> scoping.py", line 123, in do
> return getattr(self.registry(), name)(*args, **kwargs)
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/orm/
> session.py", line 1354, in flush
> self._flush(objects)
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/orm/
> session.py", line 1432, in _flush
> flush_context.execute()
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/orm/
> unitofwork.py", line 257, in execute
> UOWExecutor().execute(self, tasks)
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/orm/
> unitofwork.py", line 720, in execute
> self.execute_save_steps(trans, task)
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/orm/
> unitofwork.py", line 735, in execute_save_steps
> self.save_objects(trans, task)
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/orm/
> unitofwork.py", line 726, in save_objects
> task.mapper._save_obj(task.polymorphic_tosave_objects, trans)
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/orm/
> mapper.py", line 1387, in _save_obj
> c = connection.execute(statement.values(value_params), params)
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/engine/
> base.py", line 824, in execute
> return Connection.executors[c](self, object, multiparams, params)
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/engine/
> base.py", line 874, in _execute_clauseelement
> return self.__execute_context(context)
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/engine/
> base.py", line 896, in __execute_context
> self._cursor_execute(context.cursor, context.statement,
> context.parameters[0], context=context)
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/engine/
> base.py", line 950, in _cursor_execute
> self._handle_dbapi_exception(e, statement, parameters, cursor,
> context)
> File "/usr/local/lib/python2.6/dist-packages/sqlalchemy/engine/
> base.py", line 931, in _handle_dbapi_exception
> raise exc.DBAPIError.instance(statement, parameters, e,
> connection_invalidated=is_disconnect)
> OperationalError: (OperationalError) no such table: __main___test
> u'INSERT INTO __main___test (name) VALUES (?)' ['network']
>
>
> And here is the code
>
> #!/usr/bin/env python
> ########################################################################
> #
> #
> # MODEL
> #
> #
> #
> ########################################################################
> from elixir import *
>
> global session, metadata
> metadata.bind = 'sqlite:///:memory:'
> metadata.echo = True
>
> class Test(Entity):
> """ ORM for Tests. """
> id = Field(Integer, primary_key = True)
> name = Field(Unicode(50), required = True)
> questions = OneToMany('Question')
>
> def __init__(self,name):
>
> """ Accepts a name for a test """
> #TODO: Ensure valid input
> self.name = name
>
> class Question(Entity):
> """ ORM for Questions. """
> id = Field(Integer, primary_key = True)
> question = Field(UnicodeText, required = True)
> test = ManyToOne('Test')
> answers = OneToMany('Answer')
>
> def __init__(self,test_id, question):
> """ Accepts a test_id and a question to sign that test """
> #TODO: Ensure valid input
>
> self.question = question
>
> class Answer(Entity):
> """ ORM for Answers. """
> id = Field(Integer, primary_key = True)
> answer = Field(UnicodeText, required = True)
> correct = Field(Unicode(1), required = True) # y for correct n for
> not
> question = ManyToOne('Question')
>
> def __init__(self,question_id,answer,correct=0):
> """ Accepts a question_id and a answer to assign to that
> question.
> Optionally it accepts correct, y for correct, n for not
> Default for correct is n"""
> #TODO: Ensure vaild input
>
> self.answer = answer
> self.correct = correct
>
> setup_all()
> create_all()
>
> ########################################################################
> #
> #
> # VIEW/CONTROLLER
> #
> # Will Seperate Later
> #
> #
> #
> ########################################################################
>
> import cherrypy
>
> class WebTest(object):
> """ Cherrypy server root """
>
> def header(self):
> """ Defines a header to be used for web pages... Should be
> temporary """
> return '<html><head><title>pyWebTest</title></head><body>'
>
> def footer(self):
> """ Defines a footer to be used for web pages... Should also
> be temporary """
> return '</body></html>'
>
> @cherrypy.expose()
> def index(self):
> """ Root page for pyWebTest server """
> output = 'BEGIN<br />'
> test = Test('network')
> output = output + 'The test ' + test.name + ' has been
> initialized!<br />'
> test1 = Test('A+')
> output = output + str(session.new)+ '<br />'
> output = output + str(session.dirty) + '<br />'
> session.flush()
> session.commit()
> if test.id >=0:
> output = output + 'Test has been added<br />'
> output = output + str(test1.id) + '<br />'
> #session.query(Test).all()
> #session.query(Test).filter(Test.name.in_(['network
> +','fake'])).all()
> output = output + 'DONE <br />'
> return self.header() + output + self.footer()
>
> def main():
> cherrypy.quickstart(WebTest())
> return 0
>
> if __name__ == '__main__': main()
>
> >
>
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