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#!/usr/bin/env python3
import os
import subprocess
import mailer
import argparse
import getpass
import random
import Slides.class_helper as ch
config = ch.get_class_config()
parser = argparse.ArgumentParser(
description='Validate groups for homeworks')
parser.add_argument('-n', '--homework', type=str,
help='specify the homework label',
required=True)
parser.add_argument('-t', '--target', type=str,
help='Specify the name of a mail box'
' to send test messages,'
'default : guillaume.anciaux@epfl.ch',
default=config['teachers'][0])
parser.add_argument('-u', '--username', type=str,
help='Username to log to the SMTP server',
default=None)
args = parser.parse_args()
students_list = config['students']
homework = config['homeworks'][args.homework]
group_list = homework['groups']
target = args.target
username = args.username
password = None
if username:
print('login:', username)
password = getpass.getpass()
students_registered_in_group = set()
def make_group_keys(group):
email1 = group['Student #1 EPFL email'].strip()
email2 = group['Student #2 EPFL email'].strip()
emails = set()
emails.add(email1)
emails.add(email2)
if len(emails) < 2:
raise RuntimeError(
'invalid group: ' + str(emails))
print(emails)
emails = list(emails)
emails.sort()
key = '_'.join(emails)
students_registered_in_group.add(email1)
students_registered_in_group.add(email2)
return key
group_keys = group_list.apply(make_group_keys, axis=1)
group_list['group_key'] = group_keys
group_list.set_index('group_key', inplace=True)
# ###############################################################
# prepare to clone
try:
os.mkdir('homeworks')
except Exception:
pass
# ###############################################################
def run_command(cmd, on_failure=None, on_success=None):
process = subprocess.Popen(cmd, shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
output = process.communicate()
output = [i.decode().strip() for i in output if i.decode().strip() != '']
output = '\n'.join(output)
ret = process.returncode
if ret != 0:
print('Failed: group ' + key)
print(cmd)
print(output)
if on_failure is not None:
on_failure()
else:
if on_success is not None:
on_success()
return ret
# ###############################################################
# search for failing to clone groups
groups_failing_to_clone = set()
for key, group in group_list.iterrows():
dirname = os.path.join(
'homeworks', args.homework, key)
if os.path.isdir(dirname):
print('Success: group ' + key)
continue
cmd = group['Homeworks repository'] + ' ' + dirname
ret = run_command(cmd,
on_failure=lambda: groups_failing_to_clone.add(key),
on_success=lambda: print('Success: group ' + key)
)
if ret == 0:
continue
email1 = group['Student #1 EPFL email'].strip()
email2 = group['Student #2 EPFL email'].strip()
group_emails = [email1, email2]
repo = group[5]
if username:
mailer.mail(
username=username,
password=password,
sender_email=target,
subject='SP4E homeworks: error in cloning your project',
copy_mail=config['teachers']+config['assistants'],
message=f"""
Dear Students,
Apparently we cannot clone your repository:
{repo}
Please fix the permissions.
Best regards,
The teaching team.
""",
target_emails=group_emails
)
# ###############################################################
# search for unregistered students
student_list = config["students"]
students = set()
for k, student in student_list.iterrows():
students.add(student['e-Mail'].strip())
illegally_registered_student = (
students_registered_in_group -
students_registered_in_group.intersection(students))
################################################################
# construct invalid groups
invalid_groups = set()
for key, group in group_list.iterrows():
email1 = group['Student #1 EPFL email'].strip()
email2 = group['Student #2 EPFL email'].strip()
group_emails = set([email1, email2])
if (email1 in illegally_registered_student or
email2 in illegally_registered_student):
students_registered_in_group -= group_emails
invalid_groups.add(key)
else:
continue
if username:
mailer.mail(
username=username,
password=password,
sender_email=target,
subject=f'{config["class"]["acronym"]} homeworks: invalid group',
message="""
Dear Students,
Your group is composed with at least a student not officially registered
for the class. Therefore I have to ask you to change the composition of
the group.
You have to understand that the grading of so many projects is a lot of work.
Therefore we will do it only for the registered students.
With my best regards,
The teaching team.
""",
copy_mail=config['teachers']+config['assistants'],
target_emails=group_emails
)
unregistered_list = students - students_registered_in_group
################################################################
# send email to unregistered people
unregistered_list = list(unregistered_list)
# print(unregistered_list)
random.shuffle(unregistered_list)
# print(unregistered_list)
if len(unregistered_list):
print('aa', unregistered_list)
if len(unregistered_list) % 2 == 0:
random_groups = [e for e in zip(
unregistered_list[::2], unregistered_list[1::2])]
else:
random_groups = [e for e in zip(
unregistered_list[:-1:2], unregistered_list[1:-1:2])]
random_groups[-1] = random_groups[-1][0], random_groups[-1][1], unregistered_list[-1]
random_groups = [" - {0}".format(", ".join(b))
for b in random_groups]
print('bb', random_groups)
if username and len(unregistered_list) > 0:
mailer.mail(
username=username,
password=password,
sender_email=target,
subject=f'{config["class"]["acronym"]} homeworks: not registered in a group',
message="""
Dear Students,
Apparently you did not registered yet to any group.
Several reasons might explain this.
If it happens that you need to find a pair, please find below the
automatically created groups.
{0}
If the situation does not suit you, please inform us as quickly as
possible.
You still have to create a repository to store your homework. Please
inform us of your repository URI, for instance by filling the
[form](https://docs.google.com/forms/d/e/1FAIpQLSfymokpXgx4rhYY8msKLKXpY2sAbcv5n6cBiv1Ngx3Lu0Ob1A/viewform?vc=0&c=0&w=1&flr=0&usp=mail_form_link)
With my best regards,
The teaching team.
""".format('\n'.join(random_groups)),
copy_mail=config['teachers']+config['assistants'],
target_emails=unregistered_list,
markdown=True
)
################################################################
# output info
print('total students:', len(students))
print('registered students:', len(students_registered_in_group))
print('unregistered students:', len(unregistered_list))
print('illegally registered students:', len(illegally_registered_student))
print('invalid groups:', len(invalid_groups))
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