def mark_q(qid, answers):
""" Mark the question according to the answers given in a dictionary and
return the result in a dictionary:
input: {"A1":"0.345", "A2":"fred", "A3":"-26" }
return: {"M1": Mark One, "C1": Comment One, "M2": Mark Two..... }
"""
qtid = DB.get_q_parent(qid)
version = DB.get_q_version(qid)
variation = DB.get_q_variation(qid)
qvars = DB.get_qt_variation(qtid, variation, version)
if not qvars:
qvars = {}
L.warn("markQuestion(%s, %s) unable to retrieve variables." %
(qid, answers))
qvars['OaQID'] = int(qid)
marktype = DB.get_qt_marker(qtid)
if marktype == 1: # standard
marks = mark_q_standard(qvars, answers)
else:
# We want the latest version of the marker, so no version given
markerscript = DB.get_qt_att(qtid, "__marker.py")
if not markerscript:
markerscript = DB.get_qt_att(qtid, "marker.py")
L.info("'marker.py' should now be called '__marker.py' (qtid=%s)" % qtid)
if not markerscript:
L.info("Unable to retrieve marker script for smart marker question (qtid=%s)!" % qtid)
marks = mark_q_standard(qvars, answers)
else:
marks = mark_q_script(qvars, markerscript, answers)
return marks
def mark_q(qid, answers):
""" Mark the question according to the answers given in a dictionary and
return the result in a dictionary:
input: {"A1":"0.345", "A2":"fred", "A3":"-26" }
return: {"M1": Mark One, "C1": Comment One, "M2": Mark Two..... }
"""
qtid = DB.get_q_parent(qid)
version = DB.get_q_version(qid)
variation = DB.get_q_variation(qid)
qvars = DB.get_qt_variation(qtid, variation, version)
if not qvars:
qvars = {}
L.warn("markQuestion(%s, %s) unable to retrieve variables." %
(qid, answers))
qvars['OaQID'] = int(qid)
marktype = DB.get_qt_marker(qtid)
if marktype == 1: # standard
marks = mark_q_standard(qvars, answers)
else:
# We want the latest version of the marker, so no version given
markerscript = DB.get_qt_att(qtid, "__marker.py")
if not markerscript:
markerscript = DB.get_qt_att(qtid, "marker.py")
L.info("'marker.py' should now be called '__marker.py' (qtid=%s)" %
qtid)
if not markerscript:
L.info(
"Unable to retrieve marker script for smart marker question (qtid=%s)!"
% qtid)
marks = mark_q_standard(qvars, answers)
else:
marks = mark_q_script(qvars, markerscript, answers)
return marks
def gen_q_from_var(qt_id, student, exam, position, version, variation):
""" Generate a question given a specific variation. """
qvars = None
q_id = DB.create_q(qt_id,
DB.get_qt_name(qt_id),
student,
1,
variation,
version,
exam)
try:
q_id = int(q_id)
assert (q_id > 0)
except (ValueError, TypeError, AssertionError):
L.error("OaDB.createQuestion(%s,...) FAILED" % qt_id)
imageexists = DB.get_q_att_mimetype(qt_id, "image.gif", variation, version)
if not imageexists:
if not qvars:
qvars = DB.get_qt_variation(qt_id, variation, version)
qvars['Oasis_qid'] = q_id
image = DB.get_qt_att(qt_id, "image.gif", version)
if image:
newimage = gen_q_image(qvars, image)
DB.create_q_att(qt_id,
variation,
"image.gif",
"image/gif",
newimage,
version)
htmlexists = DB.get_q_att_mimetype(qt_id,
"qtemplate.html",
variation,
version)
if not htmlexists:
if not qvars:
qvars = DB.get_qt_variation(qt_id, variation, version)
html = DB.get_qt_att(qt_id, "qtemplate.html", version)
if html:
qvars['Oasis_qid'] = q_id
newhtml = gen_q_html(qvars, html)
L.info("generating new qattach qtemplate.html for %s" % q_id)
DB.create_q_att(qt_id,
variation,
"qtemplate.html",
"application/oasis-html",
newhtml,
version)
try:
q_id = int(q_id)
assert (q_id > 0)
except (ValueError, TypeError, AssertionError):
L.error("generateQuestionFromVar(%s,%s), can't find qid %s? " %
(qt_id, student, q_id))
if exam >= 1:
DB.add_exam_q(student, exam, q_id, position)
return q_id
def gen_q_from_var(qt_id, student, exam, position, version, variation):
""" Generate a question given a specific variation. """
qvars = None
q_id = DB.create_q(qt_id, DB.get_qt_name(qt_id), student, 1, variation,
version, exam)
try:
q_id = int(q_id)
assert (q_id > 0)
except (ValueError, TypeError, AssertionError):
L.error("OaDB.createQuestion(%s,...) FAILED" % qt_id)
imageexists = DB.get_q_att_mimetype(qt_id, "image.gif", variation, version)
if not imageexists:
if not qvars:
qvars = DB.get_qt_variation(qt_id, variation, version)
qvars['Oasis_qid'] = q_id
image = DB.get_qt_att(qt_id, "image.gif", version)
if image:
newimage = gen_q_image(qvars, image)
DB.create_q_att(qt_id, variation, "image.gif", "image/gif",
newimage, version)
htmlexists = DB.get_q_att_mimetype(qt_id, "qtemplate.html", variation,
version)
if not htmlexists:
if not qvars:
qvars = DB.get_qt_variation(qt_id, variation, version)
html = DB.get_qt_att(qt_id, "qtemplate.html", version)
if html:
qvars['Oasis_qid'] = q_id
newhtml = gen_q_html(qvars, html)
L.info("generating new qattach qtemplate.html for %s" % q_id)
DB.create_q_att(qt_id, variation, "qtemplate.html",
"application/oasis-html", newhtml, version)
try:
q_id = int(q_id)
assert (q_id > 0)
except (ValueError, TypeError, AssertionError):
L.error("generateQuestionFromVar(%s,%s), can't find qid %s? " %
(qt_id, student, q_id))
if exam >= 1:
DB.add_exam_q(student, exam, q_id, position)
return q_id
def render_mark_results(qid, marks):
"""Take the marking results and display something for the student
that tells them what they got right and wrong.
If the question has an attachment "_rendermarks.py", it will be called,
otherwise a default HTML table will be returned. _rendermarks.py should
set variable "resultsHTML" to contain a suitable string for putting
in an HTML page.
"""
qtid = DB.get_q_parent(qid)
renderscript = DB.get_qt_att(qtid, "__results.py")
if not renderscript:
resultshtml = render_mark_results_standard(qid, marks)
else:
resultshtml = render_mark_results_script(qtid, qid, marks, renderscript)
return resultshtml
def get_q_att(qid, name):
""" Return (mimetype, data) with the relevant attachment.
If it's not found in question, look in questiontemplate.
"""
qtid = DB.get_q_parent(qid)
variation = DB.get_q_variation(qid)
version = DB.get_q_version(qid)
# for the two biggies we hit the question first,
# otherwise check the question template first
if name == "image.gif" or name == "qtemplate.html":
data = DB.get_q_att(qtid, name, variation, version)
if data:
return DB.get_q_att_mimetype(qtid, name, variation, version), data
data = DB.get_qt_att(qtid, name, version)
if data:
return DB.get_qt_att_mimetype(qtid, name, version), data
else:
data = DB.get_qt_att(qtid, name, version)
if data:
return DB.get_qt_att_mimetype(qtid, name, version), data
data = DB.get_q_att(qtid, name, variation, version)
if data:
return DB.get_q_att_mimetype(qtid, name, variation, version), data
return None, None
def get_q_att(qid, name):
""" Return (mimetype, data) with the relevant attachment.
If it's not found in question, look in questiontemplate.
"""
qtid = DB.get_q_parent(qid)
variation = DB.get_q_variation(qid)
version = DB.get_q_version(qid)
# for the two biggies we hit the question first,
# otherwise check the question template first
if name == "image.gif" or name == "qtemplate.html":
data = DB.get_q_att(qtid, name, variation, version)
if data:
return DB.get_q_att_mimetype(qtid, name, variation, version), data
data = DB.get_qt_att(qtid, name, version)
if data:
return DB.get_qt_att_mimetype(qtid, name, version), data
else:
data = DB.get_qt_att(qtid, name, version)
if data:
return DB.get_qt_att_mimetype(qtid, name, version), data
data = DB.get_q_att(qtid, name, variation, version)
if data:
return DB.get_q_att_mimetype(qtid, name, variation, version), data
return None, None
def render_mark_results(qid, marks):
"""Take the marking results and display something for the student
that tells them what they got right and wrong.
If the question has an attachment "_rendermarks.py", it will be called,
otherwise a default HTML table will be returned. _rendermarks.py should
set variable "resultsHTML" to contain a suitable string for putting
in an HTML page.
"""
qtid = DB.get_q_parent(qid)
renderscript = DB.get_qt_att(qtid, "__results.py")
if not renderscript:
resultshtml = render_mark_results_standard(qid, marks)
else:
resultshtml = render_mark_results_script(qtid, qid, marks,
renderscript)
return resultshtml
def qts_to_zip(qt_ids, fname="oa_export", extra_info = None):
""" Take a list of QTemplate IDs and return a binary string containing
them as an .oaq file.
(a zip file in special format)
"""
fname = os.path.basename(fname)
qdir = tempfile.mkdtemp(prefix="oa")
info = {
'oasis': {
'oa_version': "3.9.4",
'qt_version': '0.9',
'url': OaConfig.parentURL
},
'qtemplates': {},
'extra': extra_info
}
arc = zipfile.ZipFile(os.path.join(qdir, "oasisqe.zip"),
'w',
zipfile.ZIP_DEFLATED)
for qt_id in qt_ids:
qtemplate = DB.get_qtemplate(qt_id)
qtdir = os.path.join(qdir, str(qt_id))
attachments = DB.get_qt_atts(qt_id)
if not 'qtemplate.html' in attachments:
attachments.append('qtemplate.html')
if not 'datfile.txt' in attachments:
attachments.append('datfile.txt')
if not 'image.gif' in attachments:
attachments.append('image.gif')
os.mkdir(qtdir)
os.mkdir(os.path.join(qtdir, "attach"))
info["qtemplates"][qt_id] = {'qtemplate': qtemplate}
info["qtemplates"][qt_id]["attachments"] = []
for name in attachments:
if not name:
name='UNKNOWN'
mtype = DB.get_qt_att_mimetype(qt_id, name)
if not mtype:
mtype = ""
data = DB.get_qt_att(qt_id, name)
if not data:
data = ""
info["qtemplates"][qt_id]["attachments"].append([name, mtype, len(data)])
subdir = os.path.join(qtdir, "attach", name)
outf = open(subdir, "wb")
outf.write(data)
outf.close()
arc.write(subdir,
os.path.join("%s" % qt_id, "attach", name),
zipfile.ZIP_DEFLATED)
infof = open(os.path.join(qdir, "info.json"), "wb")
infof.write(json.dumps(info))
infof.close()
arc.write(os.path.join(qdir, "info.json"),
os.path.join("info.json"),
zipfile.ZIP_DEFLATED)
arc.close()
readback = open(os.path.join(qdir, "oasisqe.zip"), "rb")
data = readback.read()
readback.close()
shutil.rmtree(qdir)
return data
def qts_to_zip(qt_ids, extra_info=None):
""" Take a list of QTemplate IDs and return a binary string containing
them as an .oaq file.
(a zip file in special format)
"""
qdir = tempfile.mkdtemp(prefix="oa")
info = {
'oasis': {
'oa_version': "3.9.4",
'qt_version': '0.9',
'url': OaConfig.parentURL
},
'qtemplates': {},
'extra': extra_info
}
arc = zipfile.ZipFile(os.path.join(qdir, "oasisqe.zip"),
'w',
zipfile.ZIP_DEFLATED)
for qt_id in qt_ids:
qtemplate = DB.get_qtemplate(qt_id)
qtdir = os.path.join(qdir, str(qt_id))
attachments = DB.get_qt_atts(qt_id)
if 'qtemplate.html' not in attachments:
attachments.append('qtemplate.html')
if 'datfile.txt' not in attachments:
attachments.append('datfile.txt')
if 'image.gif' not in attachments:
attachments.append('image.gif')
os.mkdir(qtdir)
os.mkdir(os.path.join(qtdir, "attach"))
info["qtemplates"][qt_id] = {'qtemplate': qtemplate}
info["qtemplates"][qt_id]["attachments"] = []
for name in attachments:
if not name:
name = 'UNKNOWN'
mtype = DB.get_qt_att_mimetype(qt_id, name)
if not mtype:
mtype = ""
data = DB.get_qt_att(qt_id, name)
if not data:
data = ""
info["qtemplates"][qt_id]["attachments"].append([name, mtype, len(data)])
subdir = os.path.join(qtdir, "attach", name)
outf = open(subdir, "wb")
outf.write(data)
outf.close()
arc.write(subdir,
os.path.join("%s" % qt_id, "attach", name),
zipfile.ZIP_DEFLATED)
infof = open(os.path.join(qdir, "info.json"), "wb")
infof.write(json.dumps(info))
infof.close()
arc.write(os.path.join(qdir, "info.json"),
os.path.join("info.json"),
zipfile.ZIP_DEFLATED)
arc.close()
readback = open(os.path.join(qdir, "oasisqe.zip"), "rb")
data = readback.read()
readback.close()
shutil.rmtree(qdir)
return data
