def __init__(self, vctx, location, name, answers_desc):
super(ShortAnswer, self).__init__(vctx, location, name, answers_desc)
validate_struct(
vctx,
location,
answers_desc,
required_attrs=(("type", str), ("correct_answer", list)),
allowed_attrs=(
("weight", (int, float)),
("prepended_text", str),
("appended_text", str),
("hint", str),
("hint_title", str),
("width", (str, int, float)),
("required", bool),
),
)
self.weight = getattr(answers_desc, "weight", 0)
if len(answers_desc.correct_answer) == 0:
raise ValidationError(
string_concat("%s: ",
_("at least one answer must be provided")) %
location)
self.hint = getattr(self.answers_desc, "hint", "")
self.width = getattr(self.answers_desc, "width", None)
parsed_length = self.get_length_attr_em(location, self.width)
self.width = 0
if parsed_length is not None:
self.width = max(MINIMUN_WIDTH, parsed_length)
else:
self.width = DEFAULT_WIDTH
self.width_str = "width: " + str(self.width) + "em"
self.matchers = [
parse_matcher(
vctx,
string_concat(
"%s, ",
# Translators: refers to optional
# correct answer for checking
# correctness sumbitted by students.
_("answer"),
" %d") % (location, i + 1),
answer) for i, answer in enumerate(answers_desc.correct_answer)
]
if not any(matcher.correct_answer_text() is not None
for matcher in self.matchers):
raise ValidationError(
string_concat(
"%s: ",
_("no matcher is able to provide a plain-text "
"correct answer")) % location)
def __init__(self, vctx, location, matcher_desc):
self.matcher_desc = matcher_desc
validate_struct(
vctx,
location,
matcher_desc,
required_attrs=(("type", str), ("value", (int, float, str))),
allowed_attrs=(("rtol", (int, float, str)), ("atol", (int, float, str))),
)
try:
self.matcher_desc.value = float_or_sympy_evalf(matcher_desc.value)
except:
raise ValidationError(string_concat("%s: 'value' ", _("does not provide a valid float literal")) % location)
if hasattr(matcher_desc, "rtol"):
try:
self.matcher_desc.rtol = float_or_sympy_evalf(matcher_desc.rtol)
except:
raise ValidationError(
string_concat("%s: 'rtol' ", _("does not provide a valid float literal")) % location
)
if hasattr(matcher_desc, "atol"):
try:
self.matcher_desc.atol = float_or_sympy_evalf(matcher_desc.atol)
except:
raise ValidationError(
string_concat("%s: 'atol' ", _("does not provide a valid float literal")) % location
)
if not hasattr(matcher_desc, "atol") and not hasattr(matcher_desc, "rtol") and vctx is not None:
vctx.add_warning(
location, _("Float match should have either rtol or atol--" "otherwise it will match any number")
)
def __init__(self, vctx, location, page_desc):
validate_struct(
location,
page_desc,
required_attrs=[
("type", str),
("id", str),
("value", (int, float)),
("title", str),
("prompt", str),
("timeout", (int, float)),
],
allowed_attrs=[
("setup_code", str),
("names_for_user", list),
("names_from_user", list),
("test_code", str),
("correct_code", str),
],
)
if vctx is not None:
validate_markup(vctx, location, page_desc.prompt)
PageBase.__init__(self, vctx, location, page_desc.id)
self.page_desc = page_desc
def __init__(self, vctx, location, matcher_desc):
self.matcher_desc = matcher_desc
validate_struct(
vctx,
location,
matcher_desc,
required_attrs=(
("type", str),
("value", (int, float, str)),
),
allowed_attrs=(
("rtol", (int, float, str)),
("atol", (int, float, str)),
),
)
try:
self.matcher_desc.value = \
float_or_sympy_evalf(matcher_desc.value)
except:
raise ValidationError(
string_concat("%s: 'value' ",
_("does not provide a valid float literal")) %
location)
if hasattr(matcher_desc, "rtol"):
try:
self.matcher_desc.rtol = \
float_or_sympy_evalf(matcher_desc.rtol)
except:
raise ValidationError(
string_concat("%s: 'rtol' ",
_("does not provide a valid float literal"))
% location)
if matcher_desc.value == 0:
raise ValidationError(
string_concat("%s: 'rtol' ",
_("not allowed when 'value' is zero")) %
location)
if hasattr(matcher_desc, "atol"):
try:
self.matcher_desc.atol = \
float_or_sympy_evalf(matcher_desc.atol)
except:
raise ValidationError(
string_concat("%s: 'atol' ",
_("does not provide a valid float literal"))
% location)
if (not hasattr(matcher_desc, "atol")
and not hasattr(matcher_desc, "rtol") and vctx is not None):
vctx.add_warning(
location,
_("Float match should have either rtol or atol--"
"otherwise it will match any number"))
def __init__(self, vctx, location, name, answers_desc):
super(ChoicesAnswer, self).__init__(
vctx, location, name, answers_desc)
validate_struct(
vctx,
location,
answers_desc,
required_attrs=(
("type", str),
("choices", list)
),
allowed_attrs=(
("weight", (int, float)),
("hint", str),
("hint_title", str),
("required", bool),
),
)
self.weight = getattr(answers_desc, "weight", 0)
correct_choice_count = 0
for choice_idx, choice in enumerate(answers_desc.choices):
try:
choice = str(choice)
except Exception:
raise ValidationError(
string_concat(
"%(location)s: '%(answer_name)s' ",
_("choice %(idx)d: unable to convert to string")
)
% {'location': location,
'answer_name': self.name,
'idx': choice_idx+1})
if choice.startswith(self.CORRECT_TAG):
correct_choice_count += 1
if vctx is not None:
validate_markup(vctx, location,
remove_prefix(self.CORRECT_TAG, choice))
if correct_choice_count < 1:
raise ValidationError(
string_concat(
"%(location)s: ",
_("one or more correct answer(s) expected "
" for question '%(question_name)s', "
"%(n_correct)d found"))
% {
'location': location,
'question_name': self.name,
'n_correct': correct_choice_count})
self.hint = getattr(self.answers_desc, "hint", "")
self.width = 0
def __init__(self, vctx, location, name, answers_desc):
super(ChoicesAnswer, self).__init__(
vctx, location, name, answers_desc)
validate_struct(
vctx,
location,
answers_desc,
required_attrs=(
("type", str),
("choices", list)
),
allowed_attrs=(
("weight", (int, float)),
("hint", str),
("hint_title", str),
("required", bool),
),
)
self.weight = getattr(answers_desc, "weight", 0)
correct_choice_count = 0
for choice_idx, choice in enumerate(answers_desc.choices):
try:
choice = str(choice)
except Exception:
raise ValidationError(
string_concat(
"%(location)s: '%(answer_name)s' ",
_("choice %(idx)d: unable to convert to string")
)
% {'location': location,
'answer_name': self.name,
'idx': choice_idx+1})
if choice.startswith(self.CORRECT_TAG):
correct_choice_count += 1
if vctx is not None:
validate_markup(vctx, location,
remove_prefix(self.CORRECT_TAG, choice))
if correct_choice_count < 1:
raise ValidationError(
string_concat(
"%(location)s: ",
_("one or more correct answer(s) expected "
" for question '%(question_name)s', "
"%(n_correct)d found"))
% {
'location': location,
'question_name': self.name,
'n_correct': correct_choice_count})
self.hint = getattr(self.answers_desc, "hint", "")
self.width = 0
def __init__(self, vctx, location, validator_desc):
self.validator_desc = validator_desc
validate_struct(
vctx,
location,
validator_desc,
required_attrs=(("type", str), ),
allowed_attrs=(("page_type", str), ),
)
def __init__(self, vctx, location, page_desc):
"""
:arg vctx: a :class:`course.validation.ValidationContext`, or None
if no validation is desired
"""
self.location = location
if isinstance(page_desc, Struct):
if vctx is not None:
validate_struct(
vctx,
location,
page_desc,
required_attrs=self.required_attrs(),
allowed_attrs=self.allowed_attrs())
# {{{ validate access_rules
if hasattr(page_desc, "access_rules"):
ar_loc = "%s: access rules" % location
validate_struct(
vctx,
ar_loc,
page_desc.access_rules,
required_attrs=(),
allowed_attrs=(
("add_permissions", list),
("remove_permissions", list),
))
from course.validation import validate_flow_permission
for attr in ["add_permissions", "remove_permissions"]:
if hasattr(page_desc.access_rules, attr):
for perm in getattr(page_desc.access_rules, attr):
validate_flow_permission(
vctx,
"%s: %s" % (ar_loc, attr),
perm)
# }}}
self.page_desc = page_desc
self.is_optional_page = getattr(page_desc, "is_optional_page", False)
else:
from warnings import warn
warn(_("Not passing page_desc to PageBase.__init__ is deprecated"),
DeprecationWarning)
id = page_desc
del page_desc
self.id = id
def __init__(self, vctx, location, validator_desc):
self.validator_desc = validator_desc
validate_struct(
vctx,
location,
validator_desc,
required_attrs=(
("type", str),
),
allowed_attrs=(
("page_type", str),
),
)
def __init__(self, vctx, location, matcher_desc):
self.matcher_desc = matcher_desc
validate_struct(
vctx,
location,
matcher_desc,
required_attrs=(
("type", str),
("value", (int, float)),
),
allowed_attrs=(
("rtol", (int, float)),
("atol", (int, float)),
),
)
def __init__(self, vctx, location, matcher_desc):
self.matcher_desc = matcher_desc
validate_struct(
vctx,
location,
matcher_desc,
required_attrs=(
("type", str),
("value", (int, float)),
),
allowed_attrs=(
("rtol", (int, float)),
("atol", (int, float)),
),
)
def __init__(self, vctx, location, page_desc):
validate_struct(
location,
page_desc,
required_attrs=[
("type", str),
("id", str),
("content", str),
("title", str),
],
allowed_attrs=[],
)
PageBase.__init__(self, vctx, location, page_desc.id)
self.page_desc = page_desc
if vctx is not None:
validate_markup(vctx, location, page_desc.content)
def __init__(self, vctx, location, page_desc):
validate_struct(
location,
page_desc,
required_attrs=[
("type", str),
("id", str),
("value", (int, float)),
("title", str),
("choices", list),
("prompt", str),
],
allowed_attrs=[
("shuffle", bool),
],
)
correct_choice_count = 0
for choice in page_desc.choices:
if choice.startswith(self.CORRECT_TAG):
correct_choice_count += 1
if vctx is not None:
validate_markup(vctx, location,
remove_prefix(self.CORRECT_TAG, choice))
if correct_choice_count < 1:
raise ValidationError("%s: one or more correct answer(s) "
"expected, %d found" % (location, correct_choice_count))
if vctx is not None:
validate_markup(vctx, location, page_desc.prompt)
PageBase.__init__(self, vctx, location, page_desc.id)
self.page_desc = page_desc
self.shuffle = getattr(self.page_desc, "shuffle", False)
def __init__(self, vctx, location, page_desc):
validate_struct(
location,
page_desc,
required_attrs=[
("type", str),
("id", str),
("value", (int, float)),
("title", str),
("answers", list),
("prompt", str),
],
allowed_attrs=[],
)
if len(page_desc.answers) == 0:
raise ValidationError("%s: at least one answer must be provided"
% location)
self.matchers = [
parse_matcher(
vctx,
"%s, answer %d" % (location, i+1),
answer)
for i, answer in enumerate(page_desc.answers)]
if not any(matcher.correct_answer_text() is not None
for matcher in self.matchers):
raise ValidationError("%s: no matcher is able to provide a plain-text "
"correct answer")
if vctx is not None:
validate_markup(vctx, location, page_desc.prompt)
PageBase.__init__(self, vctx, location, page_desc.id)
self.page_desc = page_desc
def __init__(self, vctx, location, matcher_desc):
self.matcher_desc = matcher_desc
validate_struct(
vctx,
location,
matcher_desc,
required_attrs=(
("type", str),
("value", six.integer_types + (float, str)),
),
allowed_attrs=(
("rtol", six.integer_types + (float, str)),
("atol", six.integer_types + (float, str)),
),
)
try:
self.matcher_desc.value = \
float_or_sympy_evalf(matcher_desc.value)
except Exception:
raise ValidationError(
string_concat(
"%s: 'value' ",
_("does not provide a valid float literal"))
% location)
if hasattr(matcher_desc, "rtol"):
try:
self.matcher_desc.rtol = \
float_or_sympy_evalf(matcher_desc.rtol)
except Exception:
raise ValidationError(
string_concat(
"%s: 'rtol' ",
_("does not provide a valid float literal"))
% location)
if matcher_desc.value == 0:
raise ValidationError(
string_concat(
"%s: 'rtol' ",
_("not allowed when 'value' is zero"))
% location)
if hasattr(matcher_desc, "atol"):
try:
self.matcher_desc.atol = \
float_or_sympy_evalf(matcher_desc.atol)
except Exception:
raise ValidationError(
string_concat(
"%s: 'atol' ",
_("does not provide a valid float literal"))
% location)
else:
if matcher_desc.value == 0:
vctx.add_warning(location,
_("Float match for 'value' zero should have atol--"
"otherwise it will match any number"))
if (
not matcher_desc.value == 0
and
not hasattr(matcher_desc, "atol")
and
not hasattr(matcher_desc, "rtol")
and
vctx is not None):
vctx.add_warning(location,
_("Float match should have either rtol or atol--"
"otherwise it will match any number"))
def __init__(self, vctx, location, name, answers_desc):
super(ShortAnswer, self).__init__(
vctx, location, name, answers_desc)
validate_struct(
vctx,
location,
answers_desc,
required_attrs=(
("type", str),
("correct_answer", list)
),
allowed_attrs=(
("weight", (int, float)),
("prepended_text", str),
("appended_text", str),
("hint", str),
("hint_title", str),
("width", (str, int, float)),
("required", bool),
),
)
weight = getattr(answers_desc, "weight", 0)
if weight < 0:
raise ValidationError(
string_concat(
"%s: %s: ",
_("'weight' must be a non-negative value, "
"got '%s' instead") % str(weight))
% (location, self.name))
self.weight = weight
if len(answers_desc.correct_answer) == 0:
raise ValidationError(
string_concat(
"%s: %s: ",
_("at least one answer must be provided"))
% (location, self.name))
self.hint = getattr(self.answers_desc, "hint", "")
width = getattr(self.answers_desc, "width", None)
parsed_length = self.get_length_attr_em(
"%s: %s: 'width'" % (location, self.name), width)
self.width = 0
if parsed_length is not None:
self.width = max(MINIMUN_WIDTH, parsed_length)
else:
self.width = DEFAULT_WIDTH
self.width_str = "width: " + str(self.width) + "em"
self.matchers = [
parse_matcher(
vctx,
string_concat("%s, ",
# Translators: refers to optional
# correct answer for checking
# correctness sumbitted by students.
_("answer"),
" %d") % (location, i+1),
answer)
for i, answer in enumerate(answers_desc.correct_answer)]
if not any(matcher.correct_answer_text() is not None
for matcher in self.matchers):
raise ValidationError(
string_concat(
"%s: %s: ",
_("no matcher is able to provide a plain-text "
"correct answer"))
% (location, self.name))