first commit

backend/app/parse_task.py

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+"""Parser subprocess: no network/storage credentials are inherited by the worker."""
+import json
+import resource
+import sys
+from pathlib import Path
+
+# Bound CPU, virtual memory, output size and file descriptors before parsing.
+resource.setrlimit(resource.RLIMIT_AS, (768 * 1024**2, 768 * 1024**2))
+resource.setrlimit(resource.RLIMIT_CPU, (60, 60))
+resource.setrlimit(resource.RLIMIT_FSIZE, (128 * 1024**2, 128 * 1024**2))
+resource.setrlimit(resource.RLIMIT_NOFILE, (64, 64))
+from .documents import parse_document
+from .parser.record_decoder import ParseError
+from .render import svg_document
+
+def run():
+    source, destination, filename, identifier = sys.argv[1:]
+    dest = Path(destination)
+    try:
+        doc = parse_document(Path(source).read_bytes(), filename, identifier)
+        (dest / 'data.json').write_text(doc.model_dump_json(), encoding='utf-8')
+        (dest / 'drawing.svg').write_bytes(svg_document(doc))
+        result = {'ok': True, 'summary': {'schema_version': doc.schema_version,
+                  'compatibility': doc.metadata['compatibility'],
+                  'record_count': doc.metadata['record_count'], 'primitive_count': len(doc.primitives),
+                  'component_count': len(doc.components),
+                  'diagnostics': [d.model_dump() for d in doc.diagnostics]}}
+    except (ParseError, ValueError) as exc:
+        result = {'ok': False, 'code': 'invalid_schematic', 'message': str(exc)[:500]}
+    except Exception:
+        result = {'ok': False, 'code': 'parser_error', 'message': 'The parser could not process this schematic'}
+    (dest / 'result.json').write_text(json.dumps(result), encoding='utf-8')
+
+if __name__ == '__main__': run()