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feat(plugin): expose the slicing print-graph as raw orca.host classes + Twistify sample

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Adds PluginHostSlicing, which registers the print-graph data model (Print,
PrintObject, Layer, LayerRegion, Surface, ExPolygon, extrusions, ...) into the
orca.host submodule in the same raw-class style as PluginHostApi's Model/Preset
graph, with shared helpers in PluginBindingUtils. SlicingPipelinePluginCapability
is trimmed to the capability surface (the standalone SlicingNumpy helper is folded
away). Adds the Twistify example plugin next to Inset and broadens the binding,
hook, and plugin-install tests.
This commit is contained in:
SoftFever
2026-07-08 00:05:28 +08:00
parent aafcccc83c
commit f81a24abfb
29 changed files with 1718 additions and 962 deletions
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35
tests/slic3rutils/test_plugin_install.cpp
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@@ -146,3 +146,38 @@ TEST_CASE("install-state sidecar is the source of truth for a cloud plugin's ins
read_install_state(plugin_dir, scanned);
CHECK(scanned.installed_version == "1.2.0");
}
TEST_CASE("install_plugin parses [tool.orcaslicer.plugin.settings] into descriptor.settings", "[PluginInstall]")
{
ScopedDataDir data_dir_guard("plugin-settings");
// A PEP-723 header with a per-plugin settings sub-table. Values stay strings; the plugin
// parses what it needs (ctx.params). This is the source Twistify reads its knobs from.
const std::string contents =
"# /// script\n"
"# requires-python = \">=3.12\"\n"
"#\n"
"# [tool.orcaslicer.plugin]\n"
"# name = \"Settings Plugin\"\n"
"# type = \"slicing-pipeline\"\n"
"#\n"
"# [tool.orcaslicer.plugin.settings]\n"
"# twist_deg_per_mm = \"1.5\"\n"
"# taper_per_mm = \"-0.004\"\n"
"# ///\n"
"print('ok')\n";
const fs::path py = write_py_file(data_dir_guard.dir / "src", "settings.py", contents);
PluginLoader loader; // non-cloud
PluginDescriptor descriptor;
std::string error;
const bool installed = loader.install_plugin(py, descriptor, error);
REQUIRE(installed);
CHECK(error.empty());
REQUIRE(descriptor.settings.count("twist_deg_per_mm") == 1);
CHECK(descriptor.settings.at("twist_deg_per_mm") == "1.5");
CHECK(descriptor.settings.at("taper_per_mm") == "-0.004");
// Identity keys are NOT captured as settings (they belong to [tool.orcaslicer.plugin]).
CHECK(descriptor.settings.count("name") == 0);
}