def submit_files(course_name, project, files, list='', gpg_key=''):
"""
Submits the files to the project.
@type course_name: string
@param course_name: course name
@type project: TurninProject
@param project: Project to which we should submit the files
@type files: list
@param files: Python list of files.
@type list: TurninList
@param list: list of submitted files
@type gpg_key: string
@param gpg_key: GnuPG public-key ID
@rtype: list
@return: Python list of submitted files
@raise subprocess.CalledProcessError: GnuPG fails to sign
"""
if not list:
list = os.path.join(os.path.expanduser('~'), '.turnin-ng',
'submissions')
# We don't want something like /home/ryan/.turning-ng/submissions../
if not os.path.isdir(os.path.normpath(os.path.join(list, os.pardir))):
os.makedirs(os.path.normpath(os.path.join(list, os.pardir)))
list_file = TurninList(list)
random_suffix = ''
if list_file.config.has_key(project.course.name):
if list_file.config[project.course.name].has_key(
project.project['uuid']):
random_suffix = list_file.config[project.course.name][
project.project['uuid']]
if not random_suffix:
chars = string.letters + string.digits
for i in range(16):
random_suffix += random.choice(chars)
list_file.write(project, random_suffix)
temparchive = tempfile.NamedTemporaryFile(suffix='.tar.gz')
filename = '%(username)s-%(suffix)s.tar.gz' % \
{'username': pwd.getpwuid(os.getuid())[0], # This is the username that
# that owns the process
'suffix': random_suffix}
tempdir = tempfile.mkdtemp()
for file in files:
if os.path.isdir(file):
shutil.copytree(file, os.path.join(tempdir, file))
else:
shutil.copy(file, tempdir)
tar = tarfile.open(temparchive.name, 'w:gz')
# We want the uncompressed directory to have the username in it so the
# professor can easily find a student's assignment.
tar.add(tempdir, '%(projectname)s-%(username)s' %
{'projectname': project.name,
'username': pwd.getpwuid(os.getuid())[0]})
submitted_files = tar.members
tar.close()
if gpg_key:
cargs = ['gpg', '--sign', '-u ' + gpg_key, '-b', temparchive.name]
retcode = subprocess.call(cargs)
if retcode < 0:
raise subprocess.CalledProcessError(retcode, ' '.join(cargs))
shutil.copy(temparchive.name,
os.path.join(project.project['directory'], filename))
os.chmod(os.path.join(project.project['directory'], filename), 0666)
# We want the signature's timestamp to be more recent than the archive's.
if gpg_key:
shutil.copy(temparchive.name + '.sig',
os.path.join(project.project['directory'], filename + '.sig'))
os.remove(temparchive.name + '.sig')
temparchive.close()
shutil.rmtree(tempdir, ignore_errors=True)
for j, file in enumerate(submitted_files):
submitted_files[j] = file.name
return submitted_files
def submit_files(project, files, tlist='', gpg_key=''):
"""
Submits the files to the project.
@type project: TurninProject
@param project: Project to which we should submit the files
@type files: list
@param files: Python list of files.
@type tlist: TurninList
@param tlist: list of submitted files
@type gpg_key: string
@param gpg_key: GnuPG public-key ID
@rtype: list
@return: Python list of submitted files
@raise subprocess.CalledProcessError: GnuPG fails to sign
"""
if not tlist:
tlist = os.path.join(os.path.expanduser('~'), '.turnin-ng',
'submissions')
# We don't want something like /home/ryan/.turning-ng/submissions../
if not os.path.isdir(os.path.normpath(os.path.join(tlist, os.pardir))):
os.makedirs(os.path.normpath(os.path.join(tlist, os.pardir)))
# We don't want other people to be able to read out submitted file
# suffixes and messing with our files!
os.chmod(tlist, 0600)
list_file = TurninList(tlist)
random_suffix = ''
if list_file.config.has_key(project.course.name):
if list_file.config[project.course.name].has_key(
project.project['uuid']):
random_suffix = list_file.config[project.course.name][
project.project['uuid']]
if not random_suffix:
chars = string.letters + string.digits
for i in range(16):
random_suffix += random.choice(chars)
list_file.write(project, random_suffix)
temparchive = tempfile.NamedTemporaryFile(suffix='.tar.gz')
filename = '%(username)s-%(suffix)s.tar.gz' % \
{'username': pwd.getpwuid(os.getuid())[0], # This is the username that
# that owns the process
'suffix': random_suffix}
tempdir = tempfile.mkdtemp()
for file in files:
if os.path.isdir(file):
shutil.copytree(file, os.path.join(tempdir, file))
else:
shutil.copy(file, tempdir)
tar = tarfile.open(temparchive.name, 'w:gz')
# We want the uncompressed directory to have the username in it so the
# professor can easily find a student's assignment.
tar.add(tempdir, '%(projectname)s-%(username)s' %
{'projectname': project.name,
'username': pwd.getpwuid(os.getuid())[0]})
submitted_files = tar.members
tar.close()
if gpg_key:
cargs = ['gpg', '--sign', '-u ' + gpg_key, '-b', temparchive.name]
retcode = subprocess.call(cargs)
if retcode < 0:
raise subprocess.CalledProcessError(retcode, ' '.join(cargs))
print "An error occured when calling GPG, not submitting signature"
# It's important that we set gpg_key to False. Otherwise,
# shutil.copy below will fail because it can't find the .sig file
# and Turnin-NG will crash.
gpg_key = False
shutil.copyfile(temparchive.name,
os.path.join(project.project['directory'], filename))
try:
os.chmod(os.path.join(project.project['directory'], filename), 0666)
except OSError, e:
if e.errno == e.EPERM:
# We've got an error on our hands:
# OSError: [Errno 1] Operation not permitted
#
# Probable cause:
#
# We've previously submitted. A managing user has since
# disabled/enabled the project and is now the owner of our archive.
# Since we aren't the owner, we don't have permisisons to run chmod.
# In any case, unless we have a malicious TA, since we've already
# submitted, the permissions on our file should already be correct.
pass
def submit_files(project, files, tlist='', gpg_key=''):
"""
Submits the files to the project.
@type project: TurninProject
@param project: Project to which we should submit the files
@type files: list
@param files: Python list of files.
@type tlist: TurninList
@param tlist: list of submitted files
@type gpg_key: string
@param gpg_key: GnuPG public-key ID
@rtype: list
@return: Python list of submitted files
@raise subprocess.CalledProcessError: GnuPG fails to sign
@raise EnvironmentError: tlist exists and is not a file
"""
if not tlist:
tlist = os.path.join(os.path.expanduser('~'), '.turnin-ng',
'submissions')
# We don't want something like /home/ryan/.turning-ng/submissions../
if not os.path.isdir(os.path.normpath(os.path.join(tlist, os.pardir))):
os.makedirs(os.path.normpath(os.path.join(tlist, os.pardir)))
# Create the TurninList if it doesn't exist:
if not os.path.isfile(tlist):
if os.path.exists(tlist):
raise EnvironmentError(
"Path for list of submissions %s exists " % tlist +
"but is not a file.")
else:
open(tlist, 'w').close()
# We don't want other people to be able to read out submitted file
# suffixes and messing with our files!
os.chmod(tlist, 0600)
list_file = TurninList(tlist)
random_suffix = ''
if list_file.config.has_key(project.course.name):
if list_file.config[project.course.name].has_key(
project.project['uuid']):
random_suffix = list_file.config[project.course.name][
project.project['uuid']]
if not random_suffix:
chars = string.letters + string.digits
for i in range(16):
random_suffix += random.choice(chars)
list_file.write(project, random_suffix)
temparchive = tempfile.NamedTemporaryFile(suffix='.tar.gz')
filename = '%(username)s-%(suffix)s.tar.gz' % \
{'username': pwd.getpwuid(os.getuid())[0], # This is the username that
# that owns the process
'suffix': random_suffix}
tempdir = tempfile.mkdtemp()
for file in files:
if os.path.isdir(file):
shutil.copytree(file, os.path.join(tempdir, file))
else:
shutil.copy(file, tempdir)
tar = tarfile.open(temparchive.name, 'w:gz')
# We want the uncompressed directory to have the username in it so the
# professor can easily find a student's assignment.
tar.add(
tempdir, '%(projectname)s-%(username)s' % {
'projectname': project.name,
'username': pwd.getpwuid(os.getuid())[0]
})
submitted_files = tar.members
tar.close()
if gpg_key:
cargs = ['gpg', '--sign', '-u ' + gpg_key, '-b', temparchive.name]
retcode = subprocess.call(cargs)
if retcode < 0:
raise subprocess.CalledProcessError(retcode, ' '.join(cargs))
print "An error occured when calling GPG, not submitting signature"
# It's important that we set gpg_key to False. Otherwise,
# shutil.copy below will fail because it can't find the .sig file
# and Turnin-NG will crash.
gpg_key = False
shutil.copyfile(temparchive.name,
os.path.join(project.project['directory'], filename))
try:
os.chmod(os.path.join(project.project['directory'], filename), 0666)
except OSError, e:
if e.errno == e.EPERM:
# We've got an error on our hands:
# OSError: [Errno 1] Operation not permitted
#
# Probable cause:
#
# We've previously submitted. A managing user has since
# disabled/enabled the project and is now the owner of our archive.
# Since we aren't the owner, we don't have permisisons to run chmod.
# In any case, unless we have a malicious TA, since we've already
# submitted, the permissions on our file should already be correct.
pass
