Fix for #1873 avoid AttributeError raised ... · Pull Request #2013 · RDFLib/rdflib (original) (raw)
Just a note for posterity's sake, this patch works because it prevents an AttributeError from occuring, and instead a SPARQLError occurs later, specifically here:
| return Literal("".join(string(x) for x in expr.arg), datatype=dt, lang=lang) |
|---|
The SPARQLError that occurs later is correctly handled as per the standard here:
| def evalExtend( |
|---|
| ctx: QueryContext, extend: CompValue |
| ) -> Generator[FrozenBindings, None, None]: |
| # TODO: Deal with dict returned from evalPart from GROUP BY |
| for c in evalPart(ctx, extend.p): |
| try: |
| e = _eval(extend.expr, c.forget(ctx, _except=extend._vars)) |
| if isinstance(e, SPARQLError): |
| raise e |
| yield c.merge({extend.var: e}) |
| except SPARQLError: |
| yield c |