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semantica/tests/export
Kevin Zhang d76bff9ab0 refactor(export): consolidate duplicate Turtle/N-Triples literal escapers (#1221)
* refactor(export): consolidate duplicate Turtle/N-Triples literal escapers

_escape_literal (module-level) and RDFSerializer._escape_turtle_literal did
identical work in the same order (backslash, double-quote, newline, CR, tab).
Drop the newer static helper added in #1148 and route all call sites through
_escape_literal instead. Behaviour no-op.

Closes #1218.

* fix(export): handle datetime/None temporal bounds safely in OWL-Time

_escape_literal is str-only, so routing datetime or None temporal bounds
through it raised AttributeError during Turtle export. Stringify non-str
bounds (plain f-string semantics) before escaping, and render None as an
empty bound. Add regression tests for datetime bounds and end-only
intervals. Addresses Qodo high-priority finding #2 on #1221.

* fix(export): use isoformat for datetime temporal bounds

str() on a datetime drops the ISO-8601 T separator, producing a lexically invalid xsd:dateTimeStamp. Use isoformat() when available; strengthen the test to assert the exact T-separated form.

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2026-08-26 18:40:57 +05:00
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