5e0849d214
- update appropriate jasmine tests so that stubbed $postWithPrefix respects a subset of jQuery promise API. - add customization for checking state. - display checking state while button is disabled. - ensure checking state lasts for at least a second.
210 lines
7.5 KiB
Python
210 lines
7.5 KiB
Python
"""Implements basics of Capa, including class CapaModule."""
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import json
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import logging
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import sys
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from pkg_resources import resource_string
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from .capa_base import CapaMixin, CapaFields, ComplexEncoder
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from .progress import Progress
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from xmodule.x_module import XModule, module_attr
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from xmodule.raw_module import RawDescriptor
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from xmodule.exceptions import NotFoundError, ProcessingError
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log = logging.getLogger("edx.courseware")
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class CapaModule(CapaMixin, XModule):
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"""
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An XModule implementing LonCapa format problems, implemented by way of
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capa.capa_problem.LoncapaProblem
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CapaModule.__init__ takes the same arguments as xmodule.x_module:XModule.__init__
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"""
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icon_class = 'problem'
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js = {
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'coffee': [
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resource_string(__name__, 'js/src/capa/display.coffee'),
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resource_string(__name__, 'js/src/javascript_loader.coffee'),
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],
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'js': [
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resource_string(__name__, 'js/src/collapsible.js'),
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resource_string(__name__, 'js/src/capa/imageinput.js'),
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resource_string(__name__, 'js/src/capa/schematic.js'),
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]
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}
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js_module_name = "Problem"
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css = {'scss': [resource_string(__name__, 'css/capa/display.scss')]}
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def __init__(self, *args, **kwargs):
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"""
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Accepts the same arguments as xmodule.x_module:XModule.__init__
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"""
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super(CapaModule, self).__init__(*args, **kwargs)
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def handle_ajax(self, dispatch, data):
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"""
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This is called by courseware.module_render, to handle an AJAX call.
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`data` is request.POST.
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Returns a json dictionary:
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{ 'progress_changed' : True/False,
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'progress' : 'none'/'in_progress'/'done',
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<other request-specific values here > }
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"""
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handlers = {
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'problem_get': self.get_problem,
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'problem_check': self.check_problem,
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'problem_reset': self.reset_problem,
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'problem_save': self.save_problem,
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'problem_show': self.get_answer,
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'score_update': self.update_score,
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'input_ajax': self.handle_input_ajax,
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'ungraded_response': self.handle_ungraded_response
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}
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_ = self.runtime.service(self, "i18n").ugettext
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generic_error_message = _(
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"We're sorry, there was an error with processing your request. "
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"Please try reloading your page and trying again."
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)
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not_found_error_message = _(
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"The state of this problem has changed since you loaded this page. "
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"Please refresh your page."
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)
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if dispatch not in handlers:
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return 'Error: {} is not a known capa action'.format(dispatch)
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before = self.get_progress()
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try:
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result = handlers[dispatch](data)
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except NotFoundError as err:
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_, _, traceback_obj = sys.exc_info() # pylint: disable=redefined-outer-name
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raise ProcessingError, (not_found_error_message, err), traceback_obj
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except Exception as err:
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_, _, traceback_obj = sys.exc_info() # pylint: disable=redefined-outer-name
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raise ProcessingError, (generic_error_message, err), traceback_obj
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after = self.get_progress()
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result.update({
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'progress_changed': after != before,
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'progress_status': Progress.to_js_status_str(after),
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'progress_detail': Progress.to_js_detail_str(after),
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})
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return json.dumps(result, cls=ComplexEncoder)
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class CapaDescriptor(CapaFields, RawDescriptor):
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"""
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Module implementing problems in the LON-CAPA format,
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as implemented by capa.capa_problem
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"""
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module_class = CapaModule
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has_score = True
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template_dir_name = 'problem'
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mako_template = "widgets/problem-edit.html"
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js = {'coffee': [resource_string(__name__, 'js/src/problem/edit.coffee')]}
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js_module_name = "MarkdownEditingDescriptor"
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css = {
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'scss': [
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resource_string(__name__, 'css/editor/edit.scss'),
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resource_string(__name__, 'css/problem/edit.scss')
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]
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}
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# Capa modules have some additional metadata:
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# TODO (vshnayder): do problems have any other metadata? Do they
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# actually use type and points?
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metadata_attributes = RawDescriptor.metadata_attributes + ('type', 'points')
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# The capa format specifies that what we call max_attempts in the code
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# is the attribute `attempts`. This will do that conversion
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metadata_translations = dict(RawDescriptor.metadata_translations)
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metadata_translations['attempts'] = 'max_attempts'
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@classmethod
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def filter_templates(cls, template, course):
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"""
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Filter template that contains 'latex' from templates.
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Show them only if use_latex_compiler is set to True in
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course settings.
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"""
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return (not 'latex' in template['template_id'] or course.use_latex_compiler)
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def get_context(self):
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_context = RawDescriptor.get_context(self)
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_context.update({
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'markdown': self.markdown,
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'enable_markdown': self.markdown is not None,
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'enable_latex_compiler': self.use_latex_compiler,
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})
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return _context
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# VS[compat]
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# TODO (cpennington): Delete this method once all fall 2012 course are being
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# edited in the cms
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@classmethod
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def backcompat_paths(cls, path):
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return [
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'problems/' + path[8:],
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path[8:],
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]
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@property
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def non_editable_metadata_fields(self):
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non_editable_fields = super(CapaDescriptor, self).non_editable_metadata_fields
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non_editable_fields.extend([
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CapaDescriptor.due,
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CapaDescriptor.graceperiod,
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CapaDescriptor.force_save_button,
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CapaDescriptor.markdown,
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CapaDescriptor.text_customization,
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CapaDescriptor.use_latex_compiler,
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])
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return non_editable_fields
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# Proxy to CapaModule for access to any of its attributes
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answer_available = module_attr('answer_available')
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check_button_name = module_attr('check_button_name')
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check_button_checking_name = module_attr('check_button_checking_name')
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check_problem = module_attr('check_problem')
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choose_new_seed = module_attr('choose_new_seed')
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closed = module_attr('closed')
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get_answer = module_attr('get_answer')
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get_problem = module_attr('get_problem')
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get_problem_html = module_attr('get_problem_html')
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get_state_for_lcp = module_attr('get_state_for_lcp')
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handle_input_ajax = module_attr('handle_input_ajax')
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handle_problem_html_error = module_attr('handle_problem_html_error')
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handle_ungraded_response = module_attr('handle_ungraded_response')
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is_attempted = module_attr('is_attempted')
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is_correct = module_attr('is_correct')
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is_past_due = module_attr('is_past_due')
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is_submitted = module_attr('is_submitted')
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lcp = module_attr('lcp')
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make_dict_of_responses = module_attr('make_dict_of_responses')
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new_lcp = module_attr('new_lcp')
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publish_grade = module_attr('publish_grade')
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rescore_problem = module_attr('rescore_problem')
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reset_problem = module_attr('reset_problem')
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save_problem = module_attr('save_problem')
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set_state_from_lcp = module_attr('set_state_from_lcp')
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should_show_check_button = module_attr('should_show_check_button')
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should_show_reset_button = module_attr('should_show_reset_button')
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should_show_save_button = module_attr('should_show_save_button')
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update_score = module_attr('update_score')
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