def __init__(self, request, course_identifier, flow_identifier,
ordinal, flow_session):
FlowContext.__init__(self, request, course_identifier, flow_identifier,
flow_session=flow_session)
from course.models import FlowPageData
page_data = self.page_data = get_object_or_404(
FlowPageData, flow_session=flow_session, ordinal=ordinal)
from course.content import get_flow_page_desc
self.page_desc = get_flow_page_desc(
flow_session, self.flow_desc, page_data.group_id, page_data.page_id)
self.page = instantiate_flow_page_with_ctx(self, page_data)
from course.page import PageContext
self.page_context = PageContext(
course=self.course, repo=self.repo, commit_sha=self.flow_commit_sha)
# {{{ dig for previous answers
from course.flow import get_flow_session_graded_answers_qset
previous_answer_visits = (
get_flow_session_graded_answers_qset(flow_session)
.filter(page_data=page_data)
.order_by("-visit_time"))
self.prev_answer_visit = None
for prev_visit in previous_answer_visits[:1]:
self.prev_answer_visit = prev_visit
def instantiate_flow_page_with_ctx(fctx, page_data):
from course.content import get_flow_page_desc
page_desc = get_flow_page_desc(fctx.flow_id, fctx.flow_desc,
page_data.group_id, page_data.page_id)
from course.content import instantiate_flow_page
return instantiate_flow_page(
"course '%s', flow '%s', page '%s/%s'" %
(fctx.course.identifier, fctx.flow_id, page_data.group_id,
page_data.page_id), fctx.repo, page_desc, fctx.course_commit_sha)
def instantiate_flow_page_with_ctx(fctx, page_data):
from course.content import get_flow_page_desc
page_desc = get_flow_page_desc(
fctx.flow_session, fctx.flow_desc, page_data.group_id, page_data.page_id)
from course.content import instantiate_flow_page
return instantiate_flow_page(
"course '%s', flow '%s', page '%s/%s'"
% (fctx.course_identifier, fctx.flow_identifier,
page_data.group_id, page_data.page_id),
fctx.repo, page_desc, fctx.flow_commit_sha)
def __init__(self,
repo,
course,
flow_id,
ordinal,
participation,
flow_session,
request=None):
FlowContext.__init__(self,
repo,
course,
flow_id,
participation,
flow_session=flow_session)
from course.content import adjust_flow_session_page_data
adjust_flow_session_page_data(repo, flow_session, course.identifier,
self.flow_desc)
if ordinal >= flow_session.page_count:
raise PageOrdinalOutOfRange()
from course.models import FlowPageData
page_data = self.page_data = get_object_or_404(
FlowPageData, flow_session=flow_session, ordinal=ordinal)
from course.content import get_flow_page_desc
try:
self.page_desc = get_flow_page_desc(flow_session, self.flow_desc,
page_data.group_id,
page_data.page_id)
except ObjectDoesNotExist:
self.page_desc = None
self.page = None
self.page_context = None
else:
self.page = instantiate_flow_page_with_ctx(self, page_data)
page_uri = None
if request is not None:
from django.core.urlresolvers import reverse
page_uri = request.build_absolute_uri(
reverse("relate-view_flow_page",
args=(course.identifier, flow_session.id,
ordinal)))
from course.page import PageContext
self.page_context = PageContext(course=self.course,
repo=self.repo,
commit_sha=self.course_commit_sha,
flow_session=flow_session,
page_uri=page_uri)
self._prev_answer_visit = False
def instantiate_flow_page_with_ctx(fctx, page_data):
# type: (FlowContext, FlowPageData) -> PageBase
from course.content import get_flow_page_desc
page_desc = get_flow_page_desc(
fctx.flow_id, fctx.flow_desc,
page_data.group_id, page_data.page_id)
from course.content import instantiate_flow_page
return instantiate_flow_page(
"course '%s', flow '%s', page '%s/%s'"
% (fctx.course.identifier, fctx.flow_id,
page_data.group_id, page_data.page_id),
fctx.repo, page_desc, fctx.course_commit_sha)
def __init__(
self,
repo, # type: Repo_ish
course, # type: Course
flow_id, # type: Text
page_ordinal, # type: int
participation, # type: Optional[Participation]
flow_session, # type: FlowSession
request=None, # type: Optional[http.HttpRequest]
):
# type: (...) -> None
super(FlowPageContext, self).__init__(repo, course, flow_id,
participation)
if page_ordinal >= flow_session.page_count:
raise PageOrdinalOutOfRange()
from course.models import FlowPageData # noqa
page_data = self.page_data = get_object_or_404(
FlowPageData, flow_session=flow_session, page_ordinal=page_ordinal)
from course.content import get_flow_page_desc
try:
self.page_desc = get_flow_page_desc(
flow_session.flow_id, self.flow_desc, page_data.group_id,
page_data.page_id) # type: Optional[FlowPageDesc]
except ObjectDoesNotExist:
self.page_desc = None
self.page = None # type: Optional[PageBase]
self.page_context = None # type: Optional[PageContext]
else:
self.page = instantiate_flow_page_with_ctx(self, page_data)
page_uri = None
if request is not None:
from django.urls import reverse
page_uri = request.build_absolute_uri(
reverse("relate-view_flow_page",
args=(course.identifier, flow_session.id,
page_ordinal)))
self.page_context = PageContext(course=self.course,
repo=self.repo,
commit_sha=self.course_commit_sha,
flow_session=flow_session,
page_uri=page_uri)
self._prev_answer_visit = False
def __init__(
self,
repo, # type: Repo_ish
course, # type: Course
flow_id, # type: Text
page_ordinal, # type: int
participation, # type: Optional[Participation]
flow_session, # type: FlowSession
request=None, # type: Optional[http.HttpRequest]
):
# type: (...) -> None
super(FlowPageContext, self).__init__(repo, course, flow_id, participation)
if page_ordinal >= flow_session.page_count:
raise PageOrdinalOutOfRange()
from course.models import FlowPageData # noqa
page_data = self.page_data = get_object_or_404(
FlowPageData, flow_session=flow_session, page_ordinal=page_ordinal)
from course.content import get_flow_page_desc
try:
self.page_desc = get_flow_page_desc(
flow_session.flow_id, self.flow_desc, page_data.group_id,
page_data.page_id) # type: Optional[FlowPageDesc]
except ObjectDoesNotExist:
self.page_desc = None
self.page = None # type: Optional[PageBase]
self.page_context = None # type: Optional[PageContext]
else:
self.page = instantiate_flow_page_with_ctx(self, page_data)
page_uri = None
if request is not None:
from django.urls import reverse
page_uri = request.build_absolute_uri(
reverse(
"relate-view_flow_page",
args=(course.identifier, flow_session.id, page_ordinal)))
self.page_context = PageContext(
course=self.course, repo=self.repo,
commit_sha=self.course_commit_sha,
flow_session=flow_session,
page_uri=page_uri)
self._prev_answer_visit = False
def __init__(self, repo, course, flow_id, ordinal,
participation, flow_session, request=None):
FlowContext.__init__(self, repo, course, flow_id,
participation, flow_session=flow_session)
from course.content import adjust_flow_session_page_data
adjust_flow_session_page_data(repo, flow_session,
course.identifier, self.flow_desc)
if ordinal >= flow_session.page_count:
raise PageOrdinalOutOfRange()
from course.models import FlowPageData
page_data = self.page_data = get_object_or_404(
FlowPageData, flow_session=flow_session, ordinal=ordinal)
from course.content import get_flow_page_desc
try:
self.page_desc = get_flow_page_desc(
flow_session, self.flow_desc, page_data.group_id,
page_data.page_id)
except ObjectDoesNotExist:
self.page_desc = None
self.page = None
self.page_context = None
else:
self.page = instantiate_flow_page_with_ctx(self, page_data)
page_uri = None
if request is not None:
from django.core.urlresolvers import reverse
page_uri = request.build_absolute_uri(
reverse("relate-view_flow_page",
args=(course.identifier, flow_session.id, ordinal)))
from course.page import PageContext
self.page_context = PageContext(
course=self.course, repo=self.repo,
commit_sha=self.course_commit_sha,
flow_session=flow_session,
page_uri=page_uri)
self._prev_answer_visit = False
def get_page(self, group_id, page_id, commit_sha):
key = (group_id, page_id, commit_sha)
try:
return self.page_cache[key]
except KeyError:
from course.content import get_flow_page_desc, instantiate_flow_page
page_desc = get_flow_page_desc(
self.flow_id,
self.get_flow_desc_from_cache(commit_sha),
group_id, page_id)
page = instantiate_flow_page(
location="flow '%s', group, '%s', page '%s'"
% (self.flow_id, group_id, page_id),
repo=self.repo, page_desc=page_desc,
commit_sha=commit_sha)
self.page_cache[key] = page
return page
def get_page(self, group_id, page_id, commit_sha):
key = (group_id, page_id, commit_sha)
try:
return self.page_cache[key]
except KeyError:
from course.content import get_flow_page_desc, instantiate_flow_page
page_desc = get_flow_page_desc(
self.flow_id,
self.get_flow_desc_from_cache(commit_sha),
group_id, page_id)
page = instantiate_flow_page(
location="flow '%s', group, '%s', page '%s'"
% (self.flow_id, group_id, page_id),
repo=self.repo, page_desc=page_desc,
commit_sha=commit_sha)
self.page_cache[key] = page
return page
def __init__(self, repo, course, flow_id, ordinal, participation,
flow_session):
FlowContext.__init__(self,
repo,
course,
flow_id,
participation,
flow_session=flow_session)
from course.content import adjust_flow_session_page_data
adjust_flow_session_page_data(repo, flow_session, course.identifier,
self.flow_desc, self.course_commit_sha)
if ordinal >= flow_session.page_count:
raise PageOrdinalOutOfRange()
from course.models import FlowPageData
page_data = self.page_data = get_object_or_404(
FlowPageData, flow_session=flow_session, ordinal=ordinal)
from course.content import get_flow_page_desc
try:
self.page_desc = get_flow_page_desc(flow_session, self.flow_desc,
page_data.group_id,
page_data.page_id)
except ObjectDoesNotExist:
self.page_desc = None
self.page = None
self.page_context = None
else:
self.page = instantiate_flow_page_with_ctx(self, page_data)
from course.page import PageContext
self.page_context = PageContext(course=self.course,
repo=self.repo,
commit_sha=self.course_commit_sha,
flow_session=flow_session)
self._prev_answer_visit = False
def grade_page_visit(visit, visit_grade_model=FlowPageVisitGrade,
grade_data=None, graded_at_git_commit_sha=None):
if not visit.is_graded_answer:
raise RuntimeError("cannot grade ungraded answer")
flow_session = visit.flow_session
course = flow_session.course
page_data = visit.page_data
from course.content import (
get_course_repo,
get_course_commit_sha,
get_flow_commit_sha,
get_flow_desc,
get_flow_page_desc,
instantiate_flow_page)
repo = get_course_repo(course)
course_commit_sha = get_course_commit_sha(
course, flow_session.participation)
flow_desc_pre = get_flow_desc(repo, course,
flow_session.flow_id, course_commit_sha)
flow_commit_sha = get_flow_commit_sha(
course, flow_session.participation, flow_desc_pre,
visit.flow_session)
flow_desc = get_flow_desc(repo, course,
flow_session.flow_id, flow_commit_sha)
page_desc = get_flow_page_desc(
flow_session.flow_id,
flow_desc,
page_data.group_id, page_data.page_id)
page = instantiate_flow_page(
location="flow '%s', group, '%s', page '%s'"
% (flow_session.flow_id, page_data.group_id, page_data.page_id),
repo=repo, page_desc=page_desc,
commit_sha=flow_commit_sha)
from course.page import PageContext
grading_page_context = PageContext(
course=course,
repo=repo,
commit_sha=flow_commit_sha)
answer_feedback = page.grade(
grading_page_context, visit.page_data.data,
visit.answer, grade_data=grade_data)
grade = visit_grade_model()
grade.visit = visit
grade.grade_data = grade_data
grade.max_points = page.max_points(visit.page_data)
grade.graded_at_git_commit_sha = graded_at_git_commit_sha
if answer_feedback is not None:
grade.correctness = answer_feedback.correctness
grade.feedback = answer_feedback.as_json()
grade.save()
def grade_page_visit(visit, visit_grade_model=FlowPageVisitGrade, grade_data=None, graded_at_git_commit_sha=None):
if not visit.is_submitted_answer:
raise RuntimeError(_("cannot grade ungraded answer"))
flow_session = visit.flow_session
course = flow_session.course
page_data = visit.page_data
most_recent_grade = visit.get_most_recent_grade()
if most_recent_grade is not None and grade_data is None:
grade_data = most_recent_grade.grade_data
from course.content import (
get_course_repo,
get_course_commit_sha,
get_flow_desc,
get_flow_page_desc,
instantiate_flow_page,
)
repo = get_course_repo(course)
course_commit_sha = get_course_commit_sha(course, flow_session.participation)
flow_desc = get_flow_desc(repo, course, flow_session.flow_id, course_commit_sha)
page_desc = get_flow_page_desc(flow_session.flow_id, flow_desc, page_data.group_id, page_data.page_id)
page = instantiate_flow_page(
location="flow '%s', group, '%s', page '%s'" % (flow_session.flow_id, page_data.group_id, page_data.page_id),
repo=repo,
page_desc=page_desc,
commit_sha=course_commit_sha,
)
assert page.expects_answer()
if not page.is_answer_gradable():
return
from course.page import PageContext
grading_page_context = PageContext(
course=course, repo=repo, commit_sha=course_commit_sha, flow_session=flow_session
)
answer_feedback = page.grade(grading_page_context, visit.page_data.data, visit.answer, grade_data=grade_data)
grade = visit_grade_model()
grade.visit = visit
grade.grade_data = grade_data
grade.max_points = page.max_points(visit.page_data)
grade.graded_at_git_commit_sha = graded_at_git_commit_sha
bulk_feedback_json = None
if answer_feedback is not None:
grade.correctness = answer_feedback.correctness
grade.feedback, bulk_feedback_json = answer_feedback.as_json()
grade.save()
update_bulk_feedback(page_data, grade, bulk_feedback_json)
def convert_flow_page_visit(stderr, fpv):
course = fpv.flow_session.course
from course.content import (get_course_repo, get_flow_desc,
get_flow_page_desc, instantiate_flow_page)
repo = get_course_repo(course)
flow_id = fpv.flow_session.flow_id
commit_sha = course.active_git_commit_sha.encode()
try:
flow_desc = get_flow_desc(repo,
course,
flow_id,
commit_sha,
tolerate_tabs=True)
except ObjectDoesNotExist:
stderr.write("warning: no flow yaml file found for '%s' in '%s'" %
(flow_id, course.identifier))
return
try:
page_desc = get_flow_page_desc(fpv.flow_session.flow_id, flow_desc,
fpv.page_data.group_id,
fpv.page_data.page_id)
except ObjectDoesNotExist:
stderr.write(
f"warning: flow page visit {fpv.id}: no page yaml desc "
"found for "
f"'{flow_id}:{fpv.page_data.group_id}/{fpv.page_data.page_id}' "
f"in '{course.identifier}'")
return
page = instantiate_flow_page(
location="flow '%s', group, '%s', page '%s'" %
(flow_id, fpv.page_data.group_id, fpv.page_data.page_id),
repo=repo,
page_desc=page_desc,
commit_sha=commit_sha)
from course.page.base import PageContext
pctx = PageContext(course=course,
repo=repo,
commit_sha=commit_sha,
flow_session=fpv.flow_session,
page_uri=None)
from course.page.upload import FileUploadQuestion
from course.page.code import CodeQuestion
if isinstance(page, FileUploadQuestion):
content, mime_type = page.get_content_from_answer_data(fpv.answer)
from django.core.files.base import ContentFile
answer_data = page.file_to_answer_data(pctx, ContentFile(content),
mime_type)
fpv.answer = answer_data
fpv.save()
return True
elif isinstance(page, CodeQuestion):
code = page.get_code_from_answer_data(fpv.answer)
answer_data = page.code_to_answer_data(pctx, code)
fpv.answer = answer_data
fpv.save()
return True
else:
return False
assert False