def check_image(image_path):
if not os.path.exists(image_path):
log.warn('Invalid image path given (does not exist): %s',
image_path)
return False, False
else:
d = DataFileElement(image_path)
return is_valid_element(d, check_image=True), d
def is_valid(dataElementUri):
dfe = GirderDataElement.from_uri(dataElementUri)
if is_valid_element(dfe,
valid_content_types=valid_content_types,
check_image=True):
return dfe
else:
return False
def is_valid(file_path):
e = DataFileElement(file_path)
if is_valid_element(
e,
valid_content_types=generator.valid_content_types(),
check_image=check_image):
return e
else:
return False
def test_invalid_image_returns_false(self):
assert is_valid_element(self.non_image, check_image=True) is False
def test_valid_content_type(self):
assert is_valid_element(self.good_image,
valid_content_types=['image/png']) is True
def test_invalid_content_type(self):
assert is_valid_element(self.good_image, valid_content_types=[]) \
is False
def test_non_data_element(self):
# Should check that input datum is a DataElement instance.
# noinspection PyTypeChecker
assert is_valid_element(False) is False