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workinf_Blender_Wasm/tools/web/generate-io-format-runtime-inventory.py
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Checkpoint web parity through Chromium input tasks
2026-08-19 10:39:03 -04:00

129 lines
5.1 KiB
Python

#!/usr/bin/env python3
"""Generate the format capability inventory from one pinned Blender runtime."""
import hashlib
import json
import os
import pathlib
import sys
import bpy
def decode(value):
if isinstance(value, bytes):
return value.decode("utf-8", errors="replace")
return str(value)
def binary_sha256(path):
digest = hashlib.sha256()
with open(path, "rb") as handle:
for block in iter(lambda: handle.read(1024 * 1024), b""):
digest.update(block)
return digest.hexdigest()
def property_info(prop):
result = {"identifier": prop.identifier, "type": prop.type}
if hasattr(prop, "array_length"):
result["arrayLength"] = prop.array_length
if prop.type == "ENUM":
try:
result["enumItems"] = [item.identifier for item in prop.enum_items]
except (AttributeError, RuntimeError):
result["enumItems"] = []
return result
def operator_info(operator_path, build_option):
module_name, operator_name = operator_path.split(".", 1)
try:
operator = getattr(getattr(bpy.ops, module_name), operator_name)
rna = operator.get_rna_type()
properties = [property_info(prop) for prop in rna.properties if prop.identifier != "rna_type"]
properties.sort(key=lambda prop: prop["identifier"])
enabled = True if build_option is None else bool(getattr(bpy.app.build_options, build_option))
return {
"operator": operator_path,
"registered": True,
"rnaIdentifier": rna.identifier,
"buildOption": build_option,
"buildOptionEnabled": enabled,
"runtimeStatus": "AVAILABLE" if enabled else "BUILD_OPTION_DISABLED",
"properties": properties,
}
except (AttributeError, KeyError, RuntimeError) as error:
return {
"operator": operator_path,
"registered": False,
"rnaIdentifier": None,
"buildOption": build_option,
"buildOptionEnabled": None,
"runtimeStatus": "OPERATOR_UNREGISTERED",
"properties": [],
"error": type(error).__name__,
}
def format_entry(format_id, family, extensions, import_operator, export_operator, build_option, variants):
return {
"format": format_id,
"family": family,
"extensions": extensions,
"variants": variants,
"import": operator_info(import_operator, build_option),
"export": operator_info(export_operator, build_option),
}
def main():
if "--" not in sys.argv or len(sys.argv[sys.argv.index("--") + 1:]) != 1:
raise SystemExit("usage: generate-io-format-runtime-inventory.py OUTPUT.json")
output = pathlib.Path(sys.argv[sys.argv.index("--") + 1]).resolve()
version = tuple(int(value) for value in bpy.app.version)
if version != (5, 2, 0):
raise RuntimeError(f"expected Blender 5.2.0, got {version}")
binary_path = pathlib.Path(bpy.app.binary_path).resolve()
options = {
"alembic": bool(bpy.app.build_options.alembic),
"usd": bool(bpy.app.build_options.usd),
"io_ply": bool(bpy.app.build_options.io_ply),
"io_stl": bool(bpy.app.build_options.io_stl),
"io_wavefront_obj": bool(bpy.app.build_options.io_wavefront_obj),
}
formats = [
format_entry("GLTF", "GLTF", [".gltf"], "import_scene.gltf", "export_scene.gltf", None, ["GLTF_SEPARATE"]),
format_entry("GLB", "GLTF", [".glb"], "import_scene.gltf", "export_scene.gltf", None, ["GLB"]),
format_entry("OBJ", "OBJ", [".obj"], "wm.obj_import", "wm.obj_export", "io_wavefront_obj", ["OBJ"]),
format_entry("STL", "STL", [".stl"], "wm.stl_import", "wm.stl_export", "io_stl", ["STL_BINARY", "STL_ASCII"]),
format_entry("PLY", "PLY", [".ply"], "wm.ply_import", "wm.ply_export", "io_ply", ["PLY"]),
format_entry("USD", "USD", [".usd", ".usda", ".usdc", ".usdz"], "wm.usd_import", "wm.usd_export", "usd", ["USD", "USDA", "USDC", "USDZ"]),
format_entry("ALEMBIC", "ALEMBIC", [".abc"], "wm.alembic_import", "wm.alembic_export", "alembic", ["ALEMBIC"]),
]
inventory = {
"schemaVersion": 1,
"task": "M12-05A",
"runtime": {
"blenderVersion": bpy.app.version_string,
"versionTuple": list(version),
"buildHash": decode(bpy.app.build_hash),
"buildBranch": decode(bpy.app.build_branch),
"buildPlatform": decode(bpy.app.build_platform),
"buildType": decode(bpy.app.build_type),
"buildDate": decode(bpy.app.build_date),
"buildTime": decode(bpy.app.build_time),
"buildCommitTimestamp": int(bpy.app.build_commit_timestamp),
"binarySha256": binary_sha256(binary_path),
"buildOptions": options,
},
"formats": formats,
}
output.parent.mkdir(parents=True, exist_ok=True)
output.write_text(json.dumps(inventory, sort_keys=True, indent=2) + "\n", encoding="utf-8")
print(f"io-format-runtime-inventory-generated formats={len(formats)} blender={bpy.app.version_string} output={output}")
if __name__ == "__main__":
main()