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GeezerVison is showing github.com — Validate pyexpat SetBase strings (#9581) · RustPython/RustPython@151813d

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crates/stdlib/src
- pyexpat.rs

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`‎crates/stdlib/src/pyexpat.rs‎`

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+6-2Lines changed: 6 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -1253,11 +1253,15 @@ mod _pyexpat {`
`1253`	`1253`	`}`
`1254`	`1254`
`1255`	`1255`	`#[pymethod(name = "SetBase")]`
`1256`		`- fn set_base(zelf: &Py<Self>, base: PyStrRef) {`
	`1256`	`+ fn set_base(zelf: &Py<Self>, base: PyUtf8StrRef, vm: &VirtualMachine) -> PyResult<()> {`
	`1257`	`+ if base.as_str().contains('\0') {`
	`1258`	`+ return Err(vm.new_value_error("embedded null character"));`
	`1259`	`+ }`
`1257`	`1260`	`// Store-only compatibility state for xml.sax locator APIs. The`
`1258`	`1261`	`// xml-rs backend still does not perform Expat-style base URI`
`1259`	`1262`	`// resolution for external entities.`
`1260`		`- *zelf.base.write() = Some(AsRef::<str>::as_ref(&base).to_owned());`
	`1263`	`+ *zelf.base.write() = Some(base.as_str().to_owned());`
	`1264`	`+ Ok(())`
`1261`	`1265`	`}`
`1262`	`1266`
`1263`	`1267`	`#[pymethod(name = "GetBase")]`

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