Python get_ipfs_backend_class示例

示例#1

文件： backend.py 项目： seanjohnson1/py-ethpm

def get_resolvable_backends_for_uri(
        uri: str) -> Generator[Type[BaseURIBackend], None, None]:
    # special case the default IPFS backend to the first slot.
    default_ipfs = get_ipfs_backend_class()
    if default_ipfs in URI_BACKENDS and default_ipfs().can_resolve_uri(uri):
        yield default_ipfs
    else:
        for backend_class in URI_BACKENDS:
            if backend_class is default_ipfs:
                continue
            # type ignored because of conflict with instantiating BaseURIBackend
            else:
                try:
                    if backend_class().can_resolve_uri(uri):  # type: ignore
                        yield backend_class
                except ConnectionError:
                    logger.debug("No local IPFS node available on port 5001.",
                                 exc_info=True)

示例#2

文件： test_ipfs_backends.py 项目： kaatori/web3.py

def test_get_ipfs_backend_class_with_default_backend():
    backend = get_ipfs_backend_class()
    assert issubclass(backend, InfuraIPFSBackend)