def change_user_type():
admin = validate_admin()
stuid = request.form['user']
user_type = request.form['type']
session.query(User).filter_by(stuid=stuid).update({"type": user_type})
session.commit()
return "Successfully changed user %s to %s." % (stuid, user_type)
def change_user_type():
admin = validate_admin()
stuid = request.form['user']
user_type = request.form['type']
session.query(User).filter_by(stuid=stuid).update({
"type": user_type
})
session.commit()
return "Successfully changed user %s to %s." % (stuid, user_type)
def validate_admin():
stuid, name = auth()
user = get_user(stuid)
if not user.type == "admin":
if user.stuid in options.admins:
session.query(User).filter_by(stuid=user.stuid).update(
{"type": "admin"})
session.commit()
else:
raise Exception("You are not authorized to view this page.")
return user
def validate_admin():
stuid, name = auth()
user = get_user(stuid)
if not user.type == "admin":
if user.stuid in options.admins:
session.query(User).filter_by(stuid=user.stuid).update({
"type": "admin"
})
session.commit()
else:
raise Exception("You are not authorized to view this page.")
return user
def admin():
admin = validate_admin()
# change back to admin view
admin.proxy = admin.stuid
session.commit()
homeworks = get_homework()
categories = session.query(Category).all()
users = get_users()
guests = []
admins = []
for user in users:
if user.type == "guest":
guests.append(user)
elif user.type == "admin":
admins.append(user)
gradebook, max_scores = get_gradebook()
return render_template("admin/index.html",
homeworks=homeworks,
guests=guests,
admins=admins,
categories=categories,
gradebook=gradebook,
max_scores=max_scores,
options=options)
def download_peer_reviews():
admin = validate_admin()
tasks = session.query(GradingTask).all()
csv = "grader,student,question,score,comments,rating\n"
for t in tasks:
row = []
for item in [
t.grader, t.student, t.question_id, t.score, t.comments,
t.rating
]:
if item is not None:
row.append('"' + str(item).replace('"', '""') + '"')
else:
row.append('""')
csv += ",".join(row) + "\n"
response = make_response(csv)
course = options.title.replace(" ", "")
filename = "%sPeerAssessments.csv" % course
response.headers[
"Content-Disposition"] = "attachment; filename=%s" % filename
return response
def download_grades():
admin = validate_admin()
homeworks = get_homework()
categories = session.query(Category).all()
gradebook, max_scores = get_gradebook()
csv = '"SUNet","Student","Overall",'
csv += ','.join(('"' + c.name.replace('"', '""') + ' Total"') for c in categories) + ","
csv += ','.join(('"' + hw.name.replace('"', '""') + '"') for hw in homeworks) + "\n"
csv += ',"MAXIMUM",,' + ",".join("" for c in categories) + ","
csv += ",".join(str(max_scores[hw.id]) for hw in homeworks) + "\n"
for student, grades in gradebook:
row = [student.stuid, student.name, str(grades["overall"])]
for category in categories:
row.append(str(grades[category.name]))
for hw in homeworks:
if hw.id not in grades:
row.append("")
else:
row.append("E" if grades[hw.id].excused else str(grades[hw.id].score))
csv += ",".join(row) + "\n"
response = make_response(csv)
course = options.title.replace(" ", "")
date = datetime.now().strftime("%m-%d-%Y")
filename = "%sGrades%s.csv" % (course, date)
response.headers["Content-Disposition"] = "attachment; filename=%s" % filename
return response
def grades():
user = validate_user()
categories = session.query(Category).all()
homeworks = get_homeworks_before()
update_hw_grades(user, homeworks)
session.commit()
gradebook, max_scores = get_gradebook()
grades = [entry for entry in gradebook if entry[0] == user]
if grades:
grades = grades[0][1]
else:
grades = {hw.id: get_grade(user.stuid, hw.id) for hw in homeworks}
return render_template("grades.html",
homeworks=homeworks,
grades=grades,
max_scores=max_scores,
options=options,
user=user,
categories=categories)
def change_user():
admin = validate_admin()
student = request.args['user']
if not session.query(User).get(student):
raise Exception("No user exists with the given ID.")
admin.proxy = student
session.commit()
return redirect(url_for('hw_list'))
def change_user():
admin = validate_admin()
student = request.args['user']
if not session.query(User).get(student):
raise Exception("No user exists with the given ID.")
admin.proxy = student
session.commit()
return redirect(url_for('hw_list'))
def hw_list():
user = validate_user()
homeworks = get_homework()
categories = session.query(Category).all()
to_do = update_hw_grades(user, homeworks)
session.commit()
return render_template("list.html", homeworks=homeworks, categories=categories,
user=user,
options=options,
current_time=pdt_now(),
to_do=to_do)
def hw_list():
user = validate_user()
homeworks = get_homework()
categories = session.query(Category).all()
to_do = update_hw_grades(user, homeworks)
session.commit()
return render_template("list.html",
homeworks=homeworks,
categories=categories,
user=user,
options=options,
current_time=pdt_now(),
to_do=to_do)
def validate_user():
stuid, name = auth()
try:
user = get_user(stuid)
except:
type = "admin" if stuid in options.admins else "student"
user = User(stuid=stuid, name=name, type=type)
session.add(user)
session.commit()
if user.type == "admin" and user.proxy:
user = session.query(User).get(user.proxy)
return user
def validate_user():
stuid, name = auth()
try:
user = get_user(stuid)
except:
type = "admin" if stuid in options.admins else "student"
user = User(stuid=stuid,
name=name,
type=type)
session.add(user)
session.commit()
if user.type == "admin" and user.proxy:
user = session.query(User).get(user.proxy)
return user
def update_category():
admin = validate_admin()
name = request.form['name']
weight = float(request.form['weight'])
drops = int(request.form['drops'])
try:
category_id = int(request.form['id'])
category = session.query(Category).get(category_id)
category.name = name
category.weight = weight
category.drops = drops
except:
session.add(Category(name=name, weight=weight, drops=drops))
session.commit()
return "Category %s successfully added/updated." % name
def update_category():
admin = validate_admin()
name = request.form['name']
weight = float(request.form['weight'])
drops = int(request.form['drops'])
try:
category_id = int(request.form['id'])
category = session.query(Category).get(category_id)
category.name = name
category.weight = weight
category.drops = drops
except:
session.add(Category(name=name, weight=weight, drops=drops))
session.commit()
return "Category %s successfully added/updated." % name
def download_peer_reviews():
admin = validate_admin()
tasks = session.query(GradingTask).all()
csv = "grader,student,question,score,comments,rating\n"
for t in tasks:
row = []
for item in [t.grader, t.student, t.question_id, t.score, t.comments, t.rating]:
if item is not None:
row.append('"' + str(item).replace('"', '""') + '"')
else:
row.append('""')
csv += ",".join(row) + "\n"
response = make_response(csv)
course = options.title.replace(" ", "")
filename = "%sPeerAssessments.csv" % course
response.headers["Content-Disposition"] = "attachment; filename=%s" % filename
return response
def grades():
user = validate_user()
categories = session.query(Category).all()
homeworks = get_homeworks_before()
update_hw_grades(user, homeworks)
session.commit()
gradebook, max_scores = get_gradebook()
grades = [entry for entry in gradebook if entry[0] == user]
if grades:
grades = grades[0][1]
else:
grades = {hw.id: get_grade(user.stuid, hw.id) for hw in homeworks}
return render_template("grades.html", homeworks=homeworks,
grades=grades, max_scores=max_scores,
options=options, user=user,
categories=categories)
def admin():
admin = validate_admin()
# change back to admin view
admin.proxy = admin.stuid
session.commit()
homeworks = get_homework()
categories = session.query(Category).all()
users = get_users()
guests = []
admins = []
for user in users:
if user.type == "guest":
guests.append(user)
elif user.type == "admin":
admins.append(user)
gradebook, max_scores = get_gradebook()
return render_template("admin/index.html", homeworks=homeworks,
guests=guests, admins=admins, categories=categories,
gradebook=gradebook, max_scores=max_scores, options=options)
def download_grades():
admin = validate_admin()
homeworks = get_homework()
categories = session.query(Category).all()
gradebook, max_scores = get_gradebook()
csv = '"SUNet","Student","Overall",'
csv += ','.join(('"' + c.name.replace('"', '""') + ' Total"')
for c in categories) + ","
csv += ','.join(
('"' + hw.name.replace('"', '""') + '"') for hw in homeworks) + "\n"
csv += ',"MAXIMUM",,' + ",".join("" for c in categories) + ","
csv += ",".join(str(max_scores[hw.id]) for hw in homeworks) + "\n"
for student, grades in gradebook:
row = [student.stuid, student.name, str(grades["overall"])]
for category in categories:
row.append(str(grades[category.name]))
for hw in homeworks:
if hw.id not in grades:
row.append("")
else:
row.append(
"E" if grades[hw.id].excused else str(grades[hw.id].score))
csv += ",".join(row) + "\n"
response = make_response(csv)
course = options.title.replace(" ", "")
date = datetime.now().strftime("%m-%d-%Y")
filename = "%sGrades%s.csv" % (course, date)
response.headers[
"Content-Disposition"] = "attachment; filename=%s" % filename
return response
def get_gradebook():
"""
helper function that gets the gradebook
"""
user = validate_user()
if user.type == "admin":
homeworks = get_homework()
else:
homeworks = get_homeworks_before()
# get all the grades, put them into a gradebook
gradebook, max_scores = {}, {}
for user in get_users():
if user.type == "student":
gradebook[user] = {}
for homework in homeworks:
grades = session.query(Grade).filter_by(hw_id=homework.id).all()
scores = []
for g in grades:
if g.student not in gradebook:
continue
gradebook[g.student][homework.id] = g
try:
scores.append(float(g.score))
except:
pass
if homework.max_score is not None:
max_scores[homework.id] = homework.max_score
elif scores:
max_scores[homework.id] = max(scores)
else:
max_scores[homework.id] = None
gradebook = gradebook.items()
gradebook.sort(key=lambda entry: convert_to_last_name(entry[0].name))
categories = session.query(Category).all()
# calculate total scores by category, taking into account excused assignments
for student, grades in gradebook:
earned = {c: [] for c in categories}
possible = {c: [] for c in categories}
for hw in homeworks:
if max_scores[hw.id] is None or max_scores[hw.id] == 0:
continue
possible[hw.category].append(max_scores[hw.id])
if hw.id in grades:
if grades[
hw.
id].excused: # if student was excused from assignment
possible[hw.category].remove(
max_scores[hw.id]) # don't count it against
else:
try:
earned[hw.category].append(float(grades[hw.id].score))
except:
earned[hw.category].append(0)
else:
earned[hw.category].append(0)
# add grades to gradebook
grades["overall"] = 0.
for category, poss in possible.iteritems():
if len(poss) == 0:
grades[category.name] = "0 / 0"
continue
# sort scores by benefit to grade if dropped
e, p = sum(earned[category]), sum(poss)
if len(poss) > category.drops + 1:
grades_sorted = sorted(zip(earned[category], poss),
key=lambda x: -(e - x[0]) / (p - x[1]))
grades_sorted = grades_sorted[category.drops:]
out = zip(*grades_sorted)
else:
out = earned[category], poss
grades[category.name] = "%0.1f / %0.1f" % (sum(out[0]), sum(
out[1]))
if sum(out[1]) > 0:
grades["overall"] += category.weight * sum(out[0]) / sum(
out[1])
return gradebook, max_scores
def get_gradebook():
"""
helper function that gets the gradebook
"""
user = validate_user()
if user.type == "admin":
homeworks = get_homework()
else:
homeworks = get_homeworks_before()
# get all the grades, put them into a gradebook
gradebook, max_scores = {}, {}
for user in get_users():
if user.type == "student":
gradebook[user] = {}
for homework in homeworks:
grades = session.query(Grade).filter_by(hw_id = homework.id).all()
scores = []
for g in grades:
if g.student not in gradebook:
continue
gradebook[g.student][homework.id] = g
try:
scores.append(float(g.score))
except:
pass
if homework.max_score is not None:
max_scores[homework.id] = homework.max_score
elif scores:
max_scores[homework.id] = max(scores)
else:
max_scores[homework.id] = None
gradebook = gradebook.items()
gradebook.sort(key=lambda entry: convert_to_last_name(entry[0].name))
categories = session.query(Category).all()
# calculate total scores by category, taking into account excused assignments
for student, grades in gradebook:
earned = {c: [] for c in categories}
possible = {c: [] for c in categories}
for hw in homeworks:
if max_scores[hw.id] is None or max_scores[hw.id] == 0:
continue
possible[hw.category].append(max_scores[hw.id])
if hw.id in grades:
if grades[hw.id].excused: # if student was excused from assignment
possible[hw.category].remove(max_scores[hw.id]) # don't count it against
else:
try:
earned[hw.category].append(float(grades[hw.id].score))
except:
earned[hw.category].append(0)
else:
earned[hw.category].append(0)
# add grades to gradebook
grades["overall"] = 0.
for category, poss in possible.iteritems():
if len(poss) == 0:
grades[category.name] = "0 / 0"
continue
# sort scores by benefit to grade if dropped
e, p = sum(earned[category]), sum(poss)
if len(poss) > category.drops + 1:
grades_sorted = sorted(zip(earned[category], poss), key=lambda x: -(e-x[0])/(p-x[1]))
grades_sorted = grades_sorted[category.drops:]
out = zip(*grades_sorted)
else:
out = earned[category], poss
grades[category.name] = "%0.1f / %0.1f" % (sum(out[0]), sum(out[1]))
if sum(out[1]) > 0:
grades["overall"] += category.weight * sum(out[0]) / sum(out[1])
return gradebook, max_scores