rdf4j

Modules:

• client –

  RDF4J client module.

• exceptions –

  RDF4J exceptions.

• util –

  RDF4J utility functions.

Classes:

• RDF4JClient –

  RDF4J client.

Attributes:

• has_httpx –

__all__ module-attribute

__all__ = ['RDF4JClient', 'has_httpx']

has_httpx module-attribute

has_httpx = find_spec('httpx') is not None

RDF4JClient

RDF4JClient(base_url: str, auth: tuple[str, str] | None = None, timeout: float = 30.0, **kwargs: Any)

RDF4J client.

Parameters:

• base_url

  (str) –

  The base URL of the RDF4J server.

• auth

  (tuple[str, str] | None, default: None ) –

  Authentication tuple (username, password).

• timeout

  (float, default: 30.0 ) –

  Request timeout in seconds (default: 30.0).

• kwargs

  (Any, default: {} ) –

  Additional keyword arguments to pass to the httpx.Client.

Methods:

• __enter__ –
• __exit__ –
• close –

  Close the underlying httpx.Client.

Attributes:

• http_client –
• protocol (float) –

  The RDF4J REST API protocol version.

• repositories (RepositoryManager) –

  Server-level repository management operations.

Source code in rdflib/contrib/rdf4j/client.py

def __init__(
    self,
    base_url: str,
    auth: tuple[str, str] | None = None,
    timeout: float = 30.0,
    **kwargs: Any,
):
    if not base_url.endswith("/"):
        base_url += "/"
    self._http_client = httpx.Client(
        base_url=base_url, auth=auth, timeout=timeout, **kwargs
    )
    self._repository_manager: RepositoryManager | None = None
    try:
        protocol_version = self.protocol
    except httpx.RequestError as err:
        self.close()
        raise RDF4JUnsupportedProtocolError(
            f"Failed to check protocol version: {err}"
        ) from err
    if protocol_version < 12:
        self.close()
        raise RDF4JUnsupportedProtocolError(
            f"RDF4J server protocol version {protocol_version} is not supported. Minimum required version is 12."
        )

http_client property

http_client

protocol property

protocol: float

The RDF4J REST API protocol version.

Returns:

• float –

  The protocol version number.

repositories property

repositories: RepositoryManager

Server-level repository management operations.

__enter__

__enter__()

Source code in rdflib/contrib/rdf4j/client.py

def __enter__(self):
    return self

__exit__

__exit__(exc_type, exc_val, exc_tb)

Source code in rdflib/contrib/rdf4j/client.py

def __exit__(self, exc_type, exc_val, exc_tb):
    self.close()

close

close()

Close the underlying httpx.Client.

Source code in rdflib/contrib/rdf4j/client.py

def close(self):
    """Close the underlying httpx.Client."""
    self.http_client.close()