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"""
Serializer plugin interface.
This module is useful for those wanting to write a serializer that can
plugin to rdflib. If you are wanting to invoke a serializer you likely
want to do so through the Graph class serialize method.
TODO: info for how to write a serializer that can plugin to rdflib.
See also rdflib.plugin
"""
from typing import IO, TYPE_CHECKING, Optional
from rdflib.term import URIRef
if TYPE_CHECKING:
from rdflib.graph import Graph
__all__ = ["Serializer"]
class Serializer:
def __init__(self, store: "Graph"):
self.store: "Graph" = store
self.encoding: str = "utf-8"
self.base: Optional[str] = None
def serialize(
self,
stream: IO[bytes],
base: Optional[str] = None,
encoding: Optional[str] = None,
**args,
) -> None:
"""Abstract method"""
def relativize(self, uri: str):
base = self.base
if base is not None and uri.startswith(base):
uri = URIRef(uri.replace(base, "", 1))
return uri
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