Fix Linux Python SDK, Pydantic warning and updates the ExecuteCommandWithCallback signature

sdk/js/src/detail/coreInterop.ts

@@ -29,7 +29,7 @@ koffi.struct('StreamingRequestBuffer', {
     BinaryDataLength: 'int32_t',
 });
 
-const CallbackType = koffi.proto('void CallbackType(void *data, int32_t length, void *userData)');
+const CallbackType = koffi.proto('int32_t CallbackType(void *data, int32_t length, void *userData)');
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
@@ -200,6 +200,7 @@ export class CoreInterop {
         const cb = koffi.register((data: any, length: number, userData: any) => {
             const chunk = koffi.decode(data, 'char', length);
             callback(chunk);
+            return 0; // 0 = continue, 1 = cancel
         }, koffi.pointer(CallbackType));
 
         return new Promise<string>((resolve, reject) => {

sdk/python/requirements.txt

@@ -2,6 +2,8 @@ pydantic>=2.0.0
 requests>=2.32.4
 openai>=2.24.0
 # Standard native binary packages from the ORT-Nightly PyPI feed.
-foundry-local-core==0.9.0.dev20260327060216
-onnxruntime-core==1.24.3
-onnxruntime-genai-core==0.12.1
+foundry-local-core==1.0.0-rc1
+onnxruntime-core==1.24.3; sys_platform != "linux"
+onnxruntime-gpu==1.24.3; sys_platform == "linux"
+onnxruntime-genai-core==0.12.1; sys_platform != "linux"
+onnxruntime-genai-cuda==0.12.1; sys_platform == "linux"

sdk/python/src/detail/model_data_types.py

@@ -4,7 +4,7 @@
 # --------------------------------------------------------------------------
 
 from typing import Optional, List
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 
 from enum import StrEnum
 
@@ -53,6 +53,8 @@ class ModelInfo(BaseModel):
     Fields are populated from the JSON response of the ``get_model_list`` command.
     """
 
+    model_config = ConfigDict(protected_namespaces=())
+
     id: str = Field(alias="id", description="Unique identifier of the model. Generally <name>:<version>")
     name: str = Field(alias="name", description="Model variant name")
     version: int = Field(alias="version")

sdk/python/src/detail/utils.py

@@ -144,8 +144,18 @@ def get_native_binary_paths() -> NativeBinaryPaths | None:
 
     # Probe WinML packages first; fall back to standard if not installed.
     core_path = _find_file_in_package("foundry-local-core-winml", core_name) or _find_file_in_package("foundry-local-core", core_name)
-    ort_path = _find_file_in_package("onnxruntime-core", ort_name)
-    genai_path = _find_file_in_package("onnxruntime-genai-core", genai_name)
+
+    # On Linux, ORT is shipped by onnxruntime-gpu (libonnxruntime.so in capi/).
+    if sys.platform.startswith("linux"):
+        ort_path = _find_file_in_package("onnxruntime", ort_name) or _find_file_in_package("onnxruntime-core", ort_name)
+    else:
+        ort_path = _find_file_in_package("onnxruntime-core", ort_name)
+
+    # On Linux, ORTGenAI is shipped by onnxruntime-genai-cuda (libonnxruntime.so in capi/).
+    if sys.platform.startswith("linux"):
+        genai_path = _find_file_in_package("onnxruntime-genai", genai_name) or _find_file_in_package("onnxruntime-genai-core", genai_name)
+    else:
+        genai_path = _find_file_in_package("onnxruntime-genai-core", genai_name)
 
     if core_path and ort_path and genai_path:
         return NativeBinaryPaths(core=core_path, ort=ort_path, genai=genai_path)
@@ -254,6 +264,9 @@ def foundry_local_install(args: list[str] | None = None) -> None:
     if parsed.winml:
         variant = "WinML"
         packages = ["foundry-local-core-winml", "onnxruntime-core", "onnxruntime-genai-core"]
+    elif sys.platform.startswith("linux"):
+        variant = "Linux (GPU)"
+        packages = ["foundry-local-core", "onnxruntime-gpu", "onnxruntime-genai-core"]
     else:
         variant = "standard"
         packages = ["foundry-local-core", "onnxruntime-core", "onnxruntime-genai-core"]
@@ -271,10 +284,18 @@ def foundry_local_install(args: list[str] | None = None) -> None:
         else:
             if _find_file_in_package("foundry-local-core", core_name) is None:
                 missing.append("foundry-local-core")
-        if _find_file_in_package("onnxruntime-core", ort_name) is None:
+        if sys.platform.startswith("linux"):
+            if _find_file_in_package("onnxruntime", ort_name) is None:
+                missing.append("onnxruntime-gpu")
+        else:
+            if _find_file_in_package("onnxruntime-core", ort_name) is None:
                 missing.append("onnxruntime-core")
-        if _find_file_in_package("onnxruntime-genai-core", genai_name) is None:
-            missing.append("onnxruntime-genai-core")
+        if sys.platform.startswith("linux"):
+            if _find_file_in_package("onnxruntime-genai", genai_name) is None:
+                missing.append("onnxruntime-genai-cuda")
+        else:
+            if _find_file_in_package("onnxruntime-genai-core", genai_name) is None:
+                missing.append("onnxruntime-genai-core")
         print(
             "[foundry-local] ERROR: Could not locate native binaries after installation. "
             f"Missing: {', '.join(missing)}",