def submit_assignment(assignment_config):
"""Submits config file for evaluation.
This function creates a zip archive, stores it in
$VMCHECKER_ROOT/unchecked/ directory and calls submit
script.
The archive contains:
config - assignment config (eg. name, time of submission etc)
global - global assignments config (eg. deadlines)
archive.zip - a zip containing the homework
callback - a script executed by the tester to send results back
"""
assignment_config = abspath(assignment_config)
# reads user, assignment and course
aconfig = ConfigParser.RawConfigParser()
with open(assignment_config) as handler:
aconfig.readfp(handler)
user = aconfig.get('Assignment', 'User')
assignment = aconfig.get('Assignment', 'Assignment')
course = config.get(assignment, 'Course')
# location of student's homework
archive = join(dirname(assignment_config), 'archive.zip')
assert isfile(archive), "Missing archive `%s'" % archive
# location of tests
tests = join(vmcheckerpaths.dir_tests(), assignment + '.zip')
assert isfile(tests), "Missing tests `%s'" % tests
# builds archive with configuration
with _Locker(assignment):
# creates the zip archive with an unique name
fd = mkstemp(
suffix='.zip',
prefix='%s_%s_%s_' % (course, assignment, user),
dir=vmcheckerpaths.dir_unchecked())
_logger.info("Creating zip package at `%s'", fd[1])
# populates the archive
# Includes at least these files:
# config -> homework config (see above)
# archive.zip -> homework files (student's sources)
# tests.zip -> assignment tests
try:
with os.fdopen(fd[0], 'w+b') as handler:
zip = ZipFile(handler, 'w')
zip.write(assignment_config, 'config') # assignment config
zip.write(archive, 'archive.zip') # assignment archive
zip.write(tests, 'tests.zip') # the archive containing tests
# includes extra required files
for f in config.get(assignment):
if not f.startswith('include '):
continue
dst, src = f[8:], config.get(assignment, f)
src = vmcheckerpaths.abspath(src)
assert isfile(src), "`%s' is missing" % src
zip.write(src, dst)
_logger.debug("Included `%s' as `%s'.", src, dst)
zip.close()
except:
_logger.error("Failed to create archive `%s'", fd[1])
os.unlink(fd[1])
raise
# sends homework to tester
submit = vmcheckerpaths.abspath(config.get(assignment, 'Submit'))
_logger.info('Calling submission script %s', submit)
try:
check_call((submit, fd[1]))
except:
_logger.fatal("Cannot submit homework. Archive `%s' not deleted.", fd[1])
raise
def submit_homework(location):
"""Submits homework at location for evaluation
This function creates a zip archive in the ./unchecked/
directory and calls the submit script.
The archive contains:
config - assignment config (eg. name, time of submission etc)
archive.zip - a zip containing the homework
tests.zip - a zip containing the tests
callback - a script executed by the tester to send results back
... - assignment's extra files (see assignments.Assignments.include())
"""
# reads user, assignment and course
# hrc = homework resource configuration
hrc = ConfigParser.RawConfigParser()
with open(os.path.join(location, "config")) as handler:
hrc.readfp(handler)
assignment = hrc.get("Assignment", "Assignment")
user = hrc.get("Assignment", "User")
course = config.assignments.course(assignment)
# location of student's homework
# XXX should create a clean zip from the repository
archive = os.path.join(location, "archive.zip")
assert os.path.isfile(archive), "Missing archive %s" % archive
# location of tests
tests = config.assignments.tests(assignment)
assert os.path.isfile(tests), "Missing tests %s" % tests
# builds archive with configuration
with config.assignments.lock(assignment):
# creates the zip archive with an unique name
fd = tempfile.mkstemp(
suffix=".zip", prefix="%s_%s_%s_" % (course, assignment, user), dir=vmcheckerpaths.dir_unchecked()
) # FIXME not here
_logger.info("Creating zip package %s", fd[1])
# populates the archive (see the function's docstring)
try:
with os.fdopen(fd[0], "w+b") as handler:
zip_ = zipfile.ZipFile(handler, "w")
zip_.write(os.path.join(location, "config"), "config")
zip_.write(archive, "archive.zip")
zip_.write(tests, "tests.zip")
# includes extra required files
for dest, src in config.assignments.include(assignment):
src = vmcheckerpaths.abspath(src)
# XXX do not assert, but raise
assert os.path.isfile(src), "File %s is missing" % src
zip_.write(src, dest)
_logger.debug("Included %s as %s", src, dest)
zip_.close()
except:
_logger.error("Failed to create zip archive %s", fd[1])
os.unlink(fd[1])
raise
# package created, sends homework to tester by invoking submission script
submit = config.assignments.get(assignment, "Submit")
submit = vmcheckerpaths.abspath(submit)
_logger.info("Invoking submission script %s", submit)
try:
subprocess.check_call((submit, fd[1]))
except:
_logger.fatal("Cannot submit homework %s, %s", assignment, user)
os.unlink(fd[1])
raise
