Posix path in builder

Author: anuunchin

dlt/_workspace/deployment/package_builder.py

@@ -38,14 +38,16 @@ def write_package_to_stream(
         with tarfile.open(fileobj=output_stream, mode="w|gz") as tar:
             for file_path in file_selector:
                 full_path = self.run_context.run_dir / file_path
+                # Use POSIX paths for tar archives (cross-platform compatibility)
+                posix_path = file_path.as_posix()
                 tar.add(
                     full_path,
-                    arcname=f"{DEFAULT_DEPLOYMENT_FILES_FOLDER}/{file_path}",
+                    arcname=f"{DEFAULT_DEPLOYMENT_FILES_FOLDER}/{posix_path}",
                     recursive=False,
                 )
                 manifest_files.append(
                     {
-                        "relative_path": str(file_path),
+                        "relative_path": posix_path,
                         "size_in_bytes": full_path.stat().st_size,
                     }
                 )

tests/workspace/deployment/test_file_selector.py

@@ -28,5 +28,5 @@ def test_file_selector_respects_gitignore(with_additional_exclude: bool) -> None
         selector = WorkspaceFileSelector(
             ctx, additional_excludes=additional_excludes, ignore_file=".ignorefile"
         )
-        files = set([str(f) for f in selector])
+        files = set([f.as_posix() for f in selector])
         assert files == expected_files

tests/workspace/deployment/test_package_builder.py

@@ -71,7 +71,7 @@ def test_build_package() -> None:
         selector = WorkspaceFileSelector(ctx)
 
         package_path, content_hash = builder.build_package(selector)
-        assert str(package_path).startswith(f"{ctx.data_dir}/deployment-")
+        assert package_path.as_posix().startswith(f"{ctx.data_dir}/deployment-")
         assert len(content_hash) == 44  # sha3_256 base64 string
 
         time.sleep(0.2)