def submit(self, post_url=None):
if post_url is None:
post_url = self.post_url
print("POST to", post_url)
if self.enctype_formdata and not self.files:
# Blackboard requires the POST to be
# Content-Type: multipart/form-data.
# Unfortunately, requests can only make a form-data POST
# if it has file-like input in the files list.
self.files = [('dummy', io.StringIO(''))]
try:
data = [d for d in self._data if d is not None]
response = self._session.post(post_url,
data=data,
files=self.files)
except:
logger.exception("data=%r files=%r", data, self.files)
raise
self._log_badmsg(response)
response.history = self._history + list(response.history)
return response
def execute_from_command_line(cls):
parser = cls.get_argument_parser()
args = parser.parse_args()
blackboard.configure_logging(quiet=args.quiet)
not_implemented = []
try:
try:
course = cls.get_course(args)
except NotImplementedError:
not_implemented.append('Grading.get_course')
try:
username = cls.get_username(args)
except NotImplementedError:
not_implemented.append('Grading.get_username')
except Exception as exn:
parser.error(str(exn))
if not_implemented:
parser.error("You must implement %s" %
' and '.join(not_implemented))
session = cls.session_class('cookies.txt', username, course)
grading = cls(session)
grading.override_get_password(args)
try:
grading.load('grading.json')
grading.main(args, session, grading)
except ParserError as exn:
logger.error("Parsing error")
print(exn)
exn.save()
except BadAuth:
logger.error("Bad username or password. Forgetting password.")
session.forget_password()
except Exception:
logger.exception("Uncaught exception")
else:
grading.save('grading.json')
session.save_cookies()
def submit_grade(session, attempt_id, is_group_assignment,
grade, text, filenames, rubrics):
assert isinstance(session, BlackboardSession)
if is_group_assignment:
url = ('https://bb.au.dk/webapps/assignment/' +
'gradeAssignmentRedirector' +
'?course_id=%s' % session.course_id +
'&groupAttemptId=%s' % attempt_id)
else:
url = ('https://bb.au.dk/webapps/assignment/' +
'gradeAssignmentRedirector' +
'?course_id=%s' % session.course_id +
'&attempt_id=%s' % attempt_id)
# We need to fetch the page to get the nonce
response = session.get(url)
document = html5lib.parse(response.content, encoding=response.encoding)
form = document.find('.//h:form[@id="currentAttempt_form"]', NS)
if form is None:
raise ParserError("No <form id=currentAttempt_form>", response)
fields = (form.findall('.//h:input', NS) +
form.findall('.//h:textarea', NS))
data = [
(field.get('name'), form_field_value(field))
for field in fields
if field.get('name')
]
data_lookup = {k: i for i, (k, v) in enumerate(data)}
def data_get(k, *args):
if args:
d, = args
try:
return data[data_lookup[k]][1]
except KeyError:
if args:
return d
raise
def data_set(k, v):
try:
data[data_lookup[k]] = k, v
except KeyError:
data_lookup[k] = len(data)
data.append((k, v))
def data_extend(kvs):
for k, v in kvs:
data_lookup[k] = len(data)
data.append((k, v))
data_set('grade', str(grade))
data_set('feedbacktext', text)
data_set('gradingNotestext',
'Submitted with https://github.com/Mortal/bbfetch')
if rubrics:
rubric_input = '%s_rubricEvaluation' % attempt_id
rubric_data_str = data_get(rubric_input)
rubric_data = json.loads(unquote(rubric_data_str))
for rubric_cells, rubric in zip(rubrics, rubric_data['rubrics']):
rubric['client_changed'] = True
for input_row, row in zip(rubric_cells, rubric['rows']):
row['cell_id'] = input_row
rubric_data_str = quote(json.dumps(rubric_data))
data_set(rubric_input, rubric_data_str)
files = []
for i, filename in enumerate(filenames):
base = os.path.basename(filename)
data_extend([
('feedbackFiles_attachmentType', 'L'),
('feedbackFiles_fileId', 'new'),
('feedbackFiles_artifactFileId', 'undefined'),
('feedbackFiles_artifactType', 'undefined'),
('feedbackFiles_artifactTypeResourceKey', 'undefined'),
('feedbackFiles_linkTitle', base),
])
with open(filename, 'rb') as fp:
fdata = fp.read()
files.append(('feedbackFiles_LocalFile%d' % i, (base, fdata)))
if is_group_assignment:
post_url = (
'https://bb.au.dk/webapps/assignment//gradeGroupAssignment/submit')
else:
post_url = (
'https://bb.au.dk/webapps/assignment//gradeAssignment/submit')
if not files:
# Blackboard requires the POST to be
# Content-Type: multipart/form-data.
# Unfortunately, requests can only make a form-data POST
# if it has file-like input in the files list.
files = [('dummy', io.StringIO(''))]
try:
response = session.post(post_url, data=data, files=files)
except:
logger.exception("data=%r files=%r", data, files)
raise
document = html5lib.parse(response.content, encoding=response.encoding)
badmsg = document.find('.//h:span[@id="badMsg1"]', NS)
if badmsg is not None:
raise ParserError(
"badMsg1: %s" % element_text_content(badmsg), response,
'Post data:\n%s' % pprint.pformat(data),
'Files:\n%s' % pprint.pformat(files))
msg = document.find('.//h:span[@id="goodMsg1"]', NS)
if msg is None:
raise ParserError(
"No goodMsg1 in POST response", response,
'Post data:\n%s' % pprint.pformat(data),
'Files:\n%s' % pprint.pformat(files))
logger.debug("goodMsg1: %s", element_text_content(msg))
def submit_grade(session, attempt_id, is_group_assignment,
grade, text, filenames, rubrics):
assert isinstance(session, BlackboardSession)
if is_group_assignment:
url = ('https://bb.au.dk/webapps/assignment/' +
'gradeAssignmentRedirector' +
'?course_id=%s' % session.course_id +
'&groupAttemptId=%s' % attempt_id)
else:
url = ('https://bb.au.dk/webapps/assignment/' +
'gradeAssignmentRedirector' +
'?course_id=%s' % session.course_id +
'&attempt_id=%s' % attempt_id)
# We need to fetch the page to get the nonce
response = session.get(url)
document = html5lib.parse(response.content, encoding=response.encoding)
form = document.find('.//h:form[@id="currentAttempt_form"]', NS)
if form is None:
raise ParserError("No <form id=currentAttempt_form>", response)
fields = (form.findall('.//h:input', NS) +
form.findall('.//h:textarea', NS))
data = [
(field.get('name'), form_field_value(field))
for field in fields
if field.get('name')
]
data_lookup = {k: i for i, (k, v) in enumerate(data)}
def data_get(k, *args):
if args:
d, = args
try:
return data[data_lookup[k]][1]
except KeyError:
if args:
return d
raise
def data_set(k, v):
try:
data[data_lookup[k]] = k, v
except KeyError:
data_lookup[k] = len(data)
data.append((k, v))
def data_extend(kvs):
for k, v in kvs:
data_lookup[k] = len(data)
data.append((k, v))
data_set('grade', str(grade))
data_set('feedbacktext', text)
data_set('gradingNotestext',
'Submitted with https://github.com/Mortal/bbfetch')
if rubrics:
rubric_input = '%s_rubricEvaluation' % attempt_id
rubric_data_str = data_get(rubric_input)
rubric_data = json.loads(unquote(rubric_data_str))
for rubric_cells, rubric in zip(rubrics, rubric_data['rubrics']):
rubric['client_changed'] = True
for input_row, row in zip(rubric_cells, rubric['rows']):
row['cell_id'] = input_row
rubric_data_str = quote(json.dumps(rubric_data))
data_set(rubric_input, rubric_data_str)
files = []
for i, filename in enumerate(filenames):
base = os.path.basename(filename)
data_extend([
('feedbackFiles_attachmentType', 'L'),
('feedbackFiles_fileId', 'new'),
('feedbackFiles_artifactFileId', 'undefined'),
('feedbackFiles_artifactType', 'undefined'),
('feedbackFiles_artifactTypeResourceKey', 'undefined'),
('feedbackFiles_linkTitle', base),
])
with open(filename, 'rb') as fp:
fdata = fp.read()
files.append(('feedbackFiles_LocalFile%d' % i, (base, fdata)))
if is_group_assignment:
post_url = (
'https://bb.au.dk/webapps/assignment//gradeGroupAssignment/submit')
else:
post_url = (
'https://bb.au.dk/webapps/assignment//gradeAssignment/submit')
if not files:
# Blackboard requires the POST to be
# Content-Type: multipart/form-data.
# Unfortunately, requests can only make a form-data POST
# if it has file-like input in the files list.
files = [('dummy', io.StringIO(''))]
try:
response = session.post(post_url, data=data, files=files)
except:
logger.exception("data=%r files=%r", data, files)
raise
document = html5lib.parse(response.content, encoding=response.encoding)
badmsg = document.find('.//h:span[@id="badMsg1"]', NS)
if badmsg is not None:
raise ParserError(
"badMsg1: %s" % element_text_content(badmsg), response,
'Post data:\n%s' % pprint.pformat(data),
'Files:\n%s' % pprint.pformat(files))
msg = document.find('.//h:span[@id="goodMsg1"]', NS)
if msg is None:
raise ParserError(
"No goodMsg1 in POST response", response,
'Post data:\n%s' % pprint.pformat(data),
'Files:\n%s' % pprint.pformat(files))
logger.debug("goodMsg1: %s", element_text_content(msg))