use little endian int (#1372)

fft001 · sydney-runkle · web-flow · commit cb696e261a79 · 2024-07-22T09:54:20.000-05:00
Co-authored-by: Sydney Runkle &lt;54324534+sydney-runkle@users.noreply.github.com&gt;
diff --git a/src/serializers/type_serializers/uuid.rs b/src/serializers/type_serializers/uuid.rs
@@ -14,7 +14,8 @@ use super::{
 pub(crate) fn uuid_to_string(py_uuid: &Bound<'_, PyAny>) -> PyResult<String> {
     let py = py_uuid.py();
     let uuid_int_val: u128 = py_uuid.getattr(intern!(py, "int"))?.extract()?;
-    let uuid = Uuid::from_u128(uuid_int_val);
+    // we use a little endian conversion for compatibility across platforms, see https://github.com/pydantic/pydantic-core/pull/1372
+    let uuid = Uuid::from_u128(uuid_int_val.to_le());
     Ok(uuid.to_string())
 }
 

Original file line number	Diff line number	Diff line change
`@@ -14,7 +14,8 @@ use super::{`
`14`	`14`	`pub(crate) fn uuid_to_string(py_uuid: &Bound<'_, PyAny>) -> PyResult<String> {`
`15`	`15`	`let py = py_uuid.py();`
`16`	`16`	`let uuid_int_val: u128 = py_uuid.getattr(intern!(py, "int"))?.extract()?;`
`17`		`- let uuid = Uuid::from_u128(uuid_int_val);`
	`17`	`+ // we use a little endian conversion for compatibility across platforms, see https://github.com/pydantic/pydantic-core/pull/1372`
	`18`	`+ let uuid = Uuid::from_u128(uuid_int_val.to_le());`
`18`	`19`	`Ok(uuid.to_string())`
`19`	`20`	`}`
`20`	`21`