def validate_nrml(request):
"""
Leverage oq-risklib to check if a given XML text is a valid NRML
:param request:
a `django.http.HttpRequest` object containing the mandatory
parameter 'xml_text': the text of the XML to be validated as NRML
:returns: a JSON object, containing:
* 'valid': a boolean indicating if the provided text is a valid NRML
* 'error_msg': the error message, if any error was found
(None otherwise)
* 'error_line': line of the given XML where the error was found
(None if no error was found or if it was not a
validation error)
"""
xml_text = request.POST.get('xml_text')
if not xml_text:
return HttpResponseBadRequest(
'Please provide the "xml_text" parameter')
xml_file = writetmp(xml_text, suffix='.xml')
try:
nrml.parse(xml_file)
except ExpatError as exc:
return _make_response(error_msg=str(exc),
error_line=exc.lineno,
valid=False)
except Exception as exc:
# get the exception message
exc_msg = exc.args[0]
if isinstance(exc_msg, bytes):
exc_msg = exc_msg.decode('utf-8') # make it a unicode object
elif isinstance(exc_msg, unicode):
pass
else:
# if it is another kind of object, it is not obvious a priori how
# to extract the error line from it
return _make_response(error_msg=unicode(exc_msg),
error_line=None,
valid=False)
# if the line is not mentioned, the whole message is taken
error_msg = exc_msg.split(', line')[0]
# check if the exc_msg contains a line number indication
search_match = re.search(r'line \d+', exc_msg)
if search_match:
error_line = int(search_match.group(0).split()[1])
else:
error_line = None
return _make_response(error_msg=error_msg,
error_line=error_line,
valid=False)
else:
return _make_response(error_msg=None, error_line=None, valid=True)
def validate_nrml(request):
"""
Leverage oq-risklib to check if a given XML text is a valid NRML
:param request:
a `django.http.HttpRequest` object containing the mandatory
parameter 'xml_text': the text of the XML to be validated as NRML
:returns: a JSON object, containing:
* 'valid': a boolean indicating if the provided text is a valid NRML
* 'error_msg': the error message, if any error was found
(None otherwise)
* 'error_line': line of the given XML where the error was found
(None if no error was found or if it was not a
validation error)
"""
xml_text = request.POST.get('xml_text')
if not xml_text:
return HttpResponseBadRequest(
'Please provide the "xml_text" parameter')
xml_file = writetmp(xml_text, suffix='.xml')
try:
nrml.parse(xml_file)
except ExpatError as exc:
return _make_response(error_msg=str(exc),
error_line=exc.lineno,
valid=False)
except Exception as exc:
# get the exception message
exc_msg = exc.args[0]
if isinstance(exc_msg, bytes):
exc_msg = exc_msg.decode('utf-8') # make it a unicode object
elif isinstance(exc_msg, unicode):
pass
else:
# if it is another kind of object, it is not obvious a priori how
# to extract the error line from it
return _make_response(
error_msg=unicode(exc_msg), error_line=None, valid=False)
# if the line is not mentioned, the whole message is taken
error_msg = exc_msg.split(', line')[0]
# check if the exc_msg contains a line number indication
search_match = re.search(r'line \d+', exc_msg)
if search_match:
error_line = int(search_match.group(0).split()[1])
else:
error_line = None
return _make_response(
error_msg=error_msg, error_line=error_line, valid=False)
else:
return _make_response(error_msg=None, error_line=None, valid=True)