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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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11
src/slic3r/plugin/PythonFileUtils.cpp
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@@ -128,7 +128,7 @@ bool read_zip_text_file(mz_zip_archive& archive, const char* filename, std::stri
}
// TOML section parsing states.
enum class TomlSection { Root, OrcaPlugin, InDepsArray };
enum class TomlSection { Root, OrcaPlugin, OrcaPluginSettings, InDepsArray };
// Strip a quoted string value: "foo" → foo, 'foo' → foo.
// Returns the unquoted value or the input unchanged if not quoted.
@@ -187,6 +187,7 @@ bool parse_pep723_toml(const std::string& toml_content,
std::string& out_description,
std::string& out_author,
std::string& out_version,
std::map<std::string, std::string>& out_settings,
std::string& error)
{
out_deps.clear();
@@ -195,6 +196,7 @@ bool parse_pep723_toml(const std::string& toml_content,
out_description.clear();
out_author.clear();
out_version.clear();
out_settings.clear();
TomlSection section = TomlSection::Root;
@@ -218,6 +220,8 @@ bool parse_pep723_toml(const std::string& toml_content,
if (trimmed[0] == '[') {
if (trimmed == "[tool.orcaslicer.plugin]") {
section = TomlSection::OrcaPlugin;
} else if (trimmed == "[tool.orcaslicer.plugin.settings]") {
section = TomlSection::OrcaPluginSettings; // per-plugin params table
} else {
section = TomlSection::Root; // Unknown section — skip.
}
@@ -270,6 +274,10 @@ bool parse_pep723_toml(const std::string& toml_content,
else if (key == "description") out_description = unquote_toml_string(val);
else if (key == "author") out_author = unquote_toml_string(val);
else if (key == "version") out_version = unquote_toml_string(val);
} else if (section == TomlSection::OrcaPluginSettings) {
// collect every key as a string; the plugin parses (int/float/...) what it needs.
if (!key.empty())
out_settings[key] = unquote_toml_string(val);
}
}
@@ -673,6 +681,7 @@ bool read_python_plugin_metadata(const boost::filesystem::path& py_path, PluginD
pep_desc,
pep_author,
pep_version,
descriptor.settings,
pep723_error)) {
error = "Failed to parse PEP 723 metadata: " + pep723_error;
return false;