Fix handling of non-ASCII assembly paths on .NET Framework (#62)

Author: filmor

netfx_loader/ClrLoader.cs

@@ -51,9 +51,9 @@ public static IntPtr CreateAppDomain(
         [DllExport("pyclr_get_function", CallingConvention.Cdecl)]
         public static IntPtr GetFunction(
             IntPtr domain,
-            [MarshalAs(UnmanagedType.LPStr)] string assemblyPath,
-            [MarshalAs(UnmanagedType.LPStr)] string typeName,
-            [MarshalAs(UnmanagedType.LPStr)] string function
+            [MarshalAs(UnmanagedType.LPUTF8Str)] string assemblyPath,
+            [MarshalAs(UnmanagedType.LPUTF8Str)] string typeName,
+            [MarshalAs(UnmanagedType.LPUTF8Str)] string function
         )
         {
             try

tests/test_common.py

@@ -1,3 +1,4 @@
+import shutil
 import pytest
 from subprocess import check_call
 import os
@@ -24,7 +25,7 @@ def build_example(tmpdir_factory, framework):
     return out
 
 
-def test_mono(example_netstandard):
+def test_mono(example_netstandard: Path):
     from clr_loader import get_mono
 
     mono = get_mono()
@@ -33,7 +34,7 @@ def test_mono(example_netstandard):
     run_tests(asm)
 
 
-def test_mono_debug(example_netstandard):
+def test_mono_debug(example_netstandard: Path):
     from clr_loader import get_mono
 
     mono = get_mono(
@@ -46,23 +47,26 @@ def test_mono_debug(example_netstandard):
 
     run_tests(asm)
 
-def test_mono_signal_chaining(example_netstandard):
+
+def test_mono_signal_chaining(example_netstandard: Path):
     from clr_loader import get_mono
 
     mono = get_mono(set_signal_chaining=True)
     asm = mono.get_assembly(example_netstandard / "example.dll")
 
     run_tests(asm)
 
-def test_mono_set_dir(example_netstandard):
+
+def test_mono_set_dir(example_netstandard: Path):
     from clr_loader import get_mono
 
     mono = get_mono(assembly_dir="/usr/lib", config_dir="/etc")
     asm = mono.get_assembly(example_netstandard / "example.dll")
 
     run_tests(asm)
 
-def test_coreclr(example_netcore):
+
+def test_coreclr(example_netcore: Path):
     from clr_loader import get_coreclr
 
     coreclr = get_coreclr(runtime_config=example_netcore / "example.runtimeconfig.json")
@@ -71,7 +75,7 @@ def test_coreclr(example_netcore):
     run_tests(asm)
 
 
-def test_coreclr_autogenerated_runtimeconfig(example_netstandard):
+def test_coreclr_autogenerated_runtimeconfig(example_netstandard: Path):
     from multiprocessing import get_context
 
     p = get_context("spawn").Process(
@@ -82,7 +86,7 @@ def test_coreclr_autogenerated_runtimeconfig(example_netstandard):
     p.close()
 
 
-def _do_test_coreclr_autogenerated_runtimeconfig(example_netstandard):
+def _do_test_coreclr_autogenerated_runtimeconfig(example_netstandard: Path):
     from clr_loader import get_coreclr
 
     coreclr = get_coreclr()
@@ -94,9 +98,24 @@ def _do_test_coreclr_autogenerated_runtimeconfig(example_netstandard):
 @pytest.mark.skipif(
     sys.platform != "win32", reason=".NET Framework only exists on Windows"
 )
-def test_netfx(example_netstandard):
+def test_netfx(example_netstandard: Path):
+    from clr_loader import get_netfx
+
+    netfx = get_netfx()
+    asm = netfx.get_assembly(example_netstandard / "example.dll")
+
+    run_tests(asm)
+
+
+@pytest.mark.skipif(
+    sys.platform != "win32", reason=".NET Framework only exists on Windows"
+)
+def test_netfx_chinese_path(example_netstandard: Path, tmpdir_factory):
     from clr_loader import get_netfx
 
+    tmp_path = Path(tmpdir_factory.mktemp("example-中国"))
+    shutil.copytree(example_netstandard, tmp_path, dirs_exist_ok=True)
+
     netfx = get_netfx()
     asm = netfx.get_assembly(os.path.join(example_netstandard, "example.dll"))