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Viewing changes to ivle/webapp/tutorial/service.py

  • Committer: William Grant
  • Date: 2009-07-30 08:11:33 UTC
  • mto: (1294.2.116 ui-the-third)
  • mto: This revision was merged to the branch mainline in revision 1353.
  • Revision ID: grantw@unimelb.edu.au-20090730081133-qpf554hidfzm7ogs
Router->Publisher

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ivle/webapp/tutorial/service.py
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'''AJAX backend for the tutorial application.'''
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import os
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import datetime
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import genshi
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from storm.locals import Store
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import ivle.console
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import ivle.database
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from ivle.database import Exercise, ExerciseAttempt, ExerciseSave, Worksheet, \
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                          Offering, Subject, Semester, User, WorksheetExercise
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import ivle.worksheet.utils
 
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import ivle.webapp.tutorial.test
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from ivle.webapp.base.rest import (JSONRESTView, named_operation,
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                                   require_permission)
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from ivle.webapp.errors import NotFound
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TIMESTAMP_FORMAT = '%Y-%m-%d %H:%M:%S'
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class AttemptsRESTView(JSONRESTView):
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    '''REST view of a user's attempts at an exercise.'''
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    @require_permission('edit')
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    def PUT(self, req, data):
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        """ Tests the given submission """
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        test_results = ivle.worksheet.utils.test_exercise_submission(
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            req.config, req.user, self.context.worksheet_exercise.exercise,
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            data['code'])
 
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        # Start a console to run the tests on
 
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        jail_path = os.path.join(req.config['paths']['jails']['mounts'],
 
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                                 req.user.login)
 
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        working_dir = os.path.join("/home", req.user.login)
 
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        cons = ivle.console.Console(req.config, req.user.unixid, jail_path,
 
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                                    working_dir)
 
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        # Parse the file into a exercise object using the test suite
 
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        exercise_obj = ivle.webapp.tutorial.test.parse_exercise_file(
 
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                            self.context.worksheet_exercise.exercise, cons)
 
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        # Run the test cases. Get the result back as a JSONable object.
 
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        # Return it.
 
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        test_results = exercise_obj.run_tests(data['code'])
 
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        # Close the console
 
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        cons.close()
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        attempt = ivle.database.ExerciseAttempt(user=req.user,
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            worksheet_exercise = self.context.worksheet_exercise,
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        return {"result": "ok"}
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# Note that this is the view of an existing worksheet. Creation is handled
 
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# by OfferingRESTView (as offerings have worksheets)
 
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class WorksheetRESTView(JSONRESTView):
 
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    """View used to update a worksheet."""
 
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    @named_operation('edit')
 
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    def save(self, req, name, assessable, data, format):
 
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        """Takes worksheet data and saves it."""
 
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        self.context.name = unicode(name)
 
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        self.context.assessable = self.convert_bool(assessable)
 
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        self.context.data = unicode(data)
 
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        self.context.format = unicode(format)
 
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        ivle.worksheet.utils.update_exerciselist(self.context)
 
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        return {"result": "ok"}
 
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class WorksheetsRESTView(JSONRESTView):
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    """View used to update and create Worksheets."""
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    @named_operation('edit_worksheets')
 
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    @named_operation('edit')
 
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    def add_worksheet(self, req, identifier, name, assessable, data, format):
 
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        """Takes worksheet data and adds it."""
 
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        new_worksheet = Worksheet()
 
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        new_worksheet.seq_no = self.context.worksheets.count()
 
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        # Setting new_worksheet.offering implicitly adds new_worksheet,
 
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        # hence worksheets.count MUST be called above it
 
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        new_worksheet.offering = self.context
 
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        new_worksheet.identifier = unicode(identifier)
 
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        new_worksheet.name = unicode(name)
 
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        new_worksheet.assessable = self.convert_bool(assessable)
 
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        new_worksheet.data = unicode(data)
 
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        new_worksheet.format = unicode(format)
 
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        # This call is added for clarity, as the worksheet is implicitly added.        
 
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        req.store.add(new_worksheet)
 
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        ivle.worksheet.utils.update_exerciselist(new_worksheet)
 
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        return {"result": "ok"}
 
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    @named_operation('edit')
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    def move_up(self, req, worksheetid):
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        """Takes a list of worksheet-seq_no pairs and updates their 
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        corresponding Worksheet objects to match."""
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        return {'result': 'ok'}
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    @named_operation('edit_worksheets')
 
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    @named_operation('edit')
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    def move_down(self, req, worksheetid):
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        """Takes a list of worksheet-seq_no pairs and updates their 
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        corresponding Worksheet objects to match."""