def validate_ipfs_uri(uri: str) -> None:
"""
Raise an exception if the provided URI is not a valid IPFS URI.
"""
if not is_ipfs_uri(uri):
raise ValidationError(f"URI: {uri} is not a valid IPFS URI.")
def test_is_ipfs_uri(value, expected):
actual = is_ipfs_uri(value)
assert actual is expected
def can_resolve_uri(self, uri: str) -> bool:
"""
Return a bool indicating whether or not this backend
is capable of serving the content located at the URI.
"""
return is_ipfs_uri(uri)
