100 lines
2.5 KiB
Python
100 lines
2.5 KiB
Python
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"""
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questionnaire - Django Questionnaire App
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========================================
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Create flexible questionnaires.
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Author: Robert Thomson <git AT corporatism.org>
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"""
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from django.conf import settings
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from django.dispatch import Signal
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import imp
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__all__ = ['question_proc', 'answer_proc', 'add_type', 'AnswerException',
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'questionset_done', 'questionnaire_done', ]
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QuestionChoices = []
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QuestionProcessors = {} # supply additional information to the templates
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Processors = {} # for processing answers
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questionnaire_start = Signal(providing_args=["runinfo", "questionnaire"])
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questionset_start = Signal(providing_args=["runinfo", "questionset"])
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questionset_done = Signal(providing_args=["runinfo", "questionset"])
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questionnaire_done = Signal(providing_args=["runinfo", "questionnaire"])
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class AnswerException(Exception):
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"""Thrown from an answer processor to generate an error message"""
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pass
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def question_proc(*names):
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"""
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Decorator to create a question processor for one or more
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question types.
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Usage:
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@question_proc('typename1', 'typename2')
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def qproc_blah(request, question):
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...
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"""
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def decorator(func):
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global QuestionProcessors
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for name in names:
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QuestionProcessors[name] = func
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return func
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return decorator
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def answer_proc(*names):
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"""
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Decorator to create an answer processor for one or more
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question types.
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Usage:
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@question_proc('typename1', 'typename2')
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def qproc_blah(request, question):
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...
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"""
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def decorator(func):
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global Processors
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for name in names:
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Processors[name] = func
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return func
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return decorator
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def add_type(id, name):
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"""
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Register a new question type in the admin interface.
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At least an answer processor must also be defined for this
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type.
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Usage:
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add_type('mysupertype', 'My Super Type [radio]')
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"""
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global QuestionChoices
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QuestionChoices.append((id, name))
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from . import qprocessors # make sure ours are imported first # noqa
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add_type('sameas', 'Same as Another Question (put sameas=question.number in checks or sameasid=question.id)')
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for app in settings.INSTALLED_APPS:
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try:
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app_path = __import__(app, {}, {}, [app.split('.')[-1]]).__path__
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except AttributeError:
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continue
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try:
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imp.find_module('qprocessors', app_path)
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except ImportError:
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continue
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__import__("%s.qprocessors" % app)
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