def evaluate_xml_versus_schema(xml_string, urn_string):
"""
Check validity of the xml string versus the appropriate schema.
Parameters
----------
xml_string : str|bytes
urn_string : str
Returns
-------
bool
"""
# get schema path
try:
the_schema = get_schema_path(urn_string)
except KeyError:
logger.exception(
'SIDD: Failed finding the schema for urn {}'.format(urn_string))
return False
try:
return validate_xml_from_string(xml_string,
the_schema,
output_logger=logger)
except ImportError:
return None
def evaluate_xml_versus_schema(xml_string, urn_string):
"""
Check validity of the xml string versus the appropriate schema.
Parameters
----------
xml_string : str
urn_string : str
Returns
-------
bool
"""
if etree is None:
return None
# get schema path
try:
the_schema = get_schema_path(urn_string)
except ValueError:
logger.error('Failed finding the schema for urn {}'.format(urn_string))
return False
xml_doc = etree.fromstring(xml_string)
xml_schema = etree.XMLSchema(file=the_schema)
validity = xml_schema.validate(xml_doc)
if not validity:
for entry in xml_schema.error_log:
logger.error('SIDD schema validation error on line {}'
'\n\t{}'.format(entry.line,
entry.message.encode('utf-8')))
return validity
def test_sidd_creation(self):
for fil in sicd_files:
reader = SICDReader(fil)
ortho_helper = NearestNeighborMethod(reader)
# create a temp directory
temp_directory = tempfile.mkdtemp()
sidd_files = []
# create a basic sidd detected image
with self.subTest(
msg='Create version 1 detected image for file {}'.format(
fil)):
create_detected_image_sidd(ortho_helper,
temp_directory,
output_file='di_1.nitf',
version=1)
sidd_files.append('di_1.nitf')
with self.subTest(
msg='Create version 2 detected image for file {}'.format(
fil)):
create_detected_image_sidd(ortho_helper,
temp_directory,
output_file='di_2.nitf',
version=2)
sidd_files.append('di_2.nitf')
# create a csi image
with self.subTest(
msg='Create version 1 csi for file {}'.format(fil)):
create_csi_sidd(ortho_helper,
temp_directory,
output_file='csi_1.nitf',
version=1)
sidd_files.append('csi_1.nitf')
with self.subTest(
msg='Create version 2 csi for file {}'.format(fil)):
create_csi_sidd(ortho_helper,
temp_directory,
output_file='csi_2.nitf',
version=2)
sidd_files.append('csi_2.nitf')
# create a dynamic image
with self.subTest(
msg='Create version 1 subaperture stack for file {}'.
format(fil)):
create_dynamic_image_sidd(ortho_helper,
temp_directory,
output_file='sast_1.nitf',
version=1,
frame_count=3)
sidd_files.append('sast_1.nitf')
with self.subTest(
msg='Create version 2 subaperture stack for file {}'.
format(fil)):
create_dynamic_image_sidd(ortho_helper,
temp_directory,
output_file='sast_2.nitf',
version=2,
frame_count=3)
sidd_files.append('sast_2.nitf')
# check that each sidd structure serialized according to the schema
if etree is not None:
for vers in [1, 2]:
schema = get_schema_path('urn:SIDD:{}.0.0'.format(vers))
the_fil = 'di_{}.nitf'.format(vers)
if the_fil in sidd_files:
self.assertTrue(
check_versus_schema(
os.path.join(temp_directory, the_fil), schema),
'Detected image version {} structure not valid versus schema {}'
.format(vers, schema))
the_fil = 'csi_{}.nitf'.format(vers)
if the_fil in sidd_files:
self.assertTrue(
check_versus_schema(
os.path.join(temp_directory, the_fil), schema),
'csi version {} structure not valid versus schema {}'
.format(vers, schema))
the_fil = 'sast_{}.nitf'.format(vers)
if the_fil in sidd_files:
self.assertTrue(
check_versus_schema(
os.path.join(temp_directory, the_fil), schema),
'Dynamic image version {} structure not valid versus schema {}'
.format(vers, schema))
# clean up the temporary directory
shutil.rmtree(temp_directory)