def check_url(value):
validate(str, value)
parsed = urlparse(value)
if not parsed.netloc:
raise ValidationError(
"{value} is not a valid URL",
value=repr(value),
schema="url",
)
for name, schema in attributes.items():
if not hasattr(parsed, name):
raise ValidationError(
"Invalid URL attribute {name}",
name=repr(name),
schema="url",
)
try:
validate(schema, getattr(parsed, name))
except ValidationError as err:
raise ValidationError(
"Unable to validate URL attribute {name}",
name=repr(name),
schema="url",
context=err,
)
return True
def contains_str(value):
validate(str, value)
if string not in value:
raise ValidationError(
"{value} does not contain {string}",
value=repr(value),
string=repr(string),
schema="contains",
)
return True
def ends_with(value):
validate(str, value)
if not value.endswith(string):
raise ValidationError(
"{value} does not end with {string}",
value=repr(value),
string=repr(string),
schema="endswith",
)
return True
def starts_with(value):
validate(str, value)
if not value.startswith(string):
raise ValidationError(
"{value} does not start with {string}",
value=repr(value),
string=repr(string),
schema="startswith",
)
return True
def xpath_find(value):
validate(iselement, value)
value = value.find(xpath)
if value is None:
raise ValidationError(
"XPath {xpath} did not return an element",
xpath=repr(xpath),
schema="xml_find",
)
return validate(iselement, value)
def transform_xpath(value):
validate(iselement, value)
return value.xpath(xpath) or None
def xpath_findall(value):
validate(iselement, value)
return value.findall(xpath)