def _validate_external_instances(instances):
"""
Must have unique names.
- Duplications could come from across groups; this checks the form.
- Errors are pooled together into a (hopefully) helpful message.
"""
seen = {}
for i in instances:
element = i.name
if seen.get(element) is None:
seen[element] = [i]
else:
seen[element].append(i)
errors = []
for element, copies in seen.items():
if len(copies) > 1:
contexts = ", ".join(x.context for x in copies)
errors.append(
"Instance names must be unique within a form. "
"The name '{i}' was found {c} time(s), "
"under these contexts: {contexts}".format(
i=element, c=len(copies), contexts=contexts
)
)
if errors:
raise ValidationError("\n".join(errors))
def survey2xform(survey, xform_path, formatted=False, validated=True):
warnings = []
survey.print_xform_to_file(xform_path,
validate=False,
pretty_print=formatted,
warnings=warnings,
enketo=False)
if validated:
with open(xform_path, 'rb') as xform:
response = requests.post(VALIDATE_SERVER,
data=xform,
headers={
'Content-Type': 'application/xml',
'Accept': 'application/json'
})
json = response.json()
if (not json['valid']):
raise ValidationError("\n".join(
[msg['message'] for msg in json['output']]))
return warnings
def validate(self, path_to_xform):
self._run_odk_validate(path_to_xform)
self._parse_odk_validate_output()
if not self.is_valid():
raise ValidationError(self.get_odk_validate_output())
