def validate_callable(path, data):
try:
return schema(data)
except ValueError as e:
raise er.ValueInvalid('not a valid value', path)
except er.Invalid as e:
e.prepend(path)
raise
def validate_sequence(path, data):
if not isinstance(data, seq_type):
raise er.SequenceTypeInvalid('expected a %s' % seq_type_name,
path)
# Empty seq schema, allow any data.
if not schema:
if data:
raise er.MultipleInvalid([
er.ValueInvalid('not a valid value', [value])
for value in data
])
return data
out = []
invalid = None
errors = []
index_path = UNDEFINED
for i, value in enumerate(data):
index_path = path + [i]
invalid = None
for validate in _compiled:
try:
cval = validate(index_path, value)
if cval is not Remove: # do not include Remove values
out.append(cval)
break
except er.Invalid as e:
if len(e.path) > len(index_path):
raise
invalid = e
else:
errors.append(invalid)
if errors:
raise er.MultipleInvalid(errors)
if _isnamedtuple(data):
return type(data)(*out)
else:
return type(data)(out)
