pyxb-x

import os import sys import subprocess import tempfile import shutil # 1. Define a simple XML Schema (XSD) xsd_content = """<?xml version=\"1.0\"?> <xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\"> <xs:element name=\"person\"> <xs:complexType> <xs:sequence> <xs:element name=\"name\" type=\"xs:string\"/> <xs:element name=\"age\" type=\"xs:int\"/> </xs:sequence> </xs:complexType> </xs:element> </xs:schema> """ # 2. Set up temporary directory for XSD and generated bindings temp_dir = tempfile.mkdtemp() xsd_path = os.path.join(temp_dir, 'example.xsd') with open(xsd_path, 'w') as f: f.write(xsd_content) binding_module_name = 'my_example_bindings' output_dir = temp_dir # 3. Use pyxbgen to generate Python bindings # The `pyxbgen` command-line tool is installed with `pyxb-x`. # If `pyxbgen` is not found in PATH, use `python -m pyxb_x.gen.pyxbgen`. # Determine the correct command for pyxbgen try: subprocess.check_call(['pyxbgen', '--version'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) pyxbgen_cmd = 'pyxbgen' except (subprocess.CalledProcessError, FileNotFoundError): pyxbgen_cmd = [sys.executable, '-m', 'pyxb_x.gen.pyxbgen'] generate_command_args = [ f'--schema-location={xsd_path}', '--binding-language=python', f'--module={binding_module_name}', f'--output-directory={output_dir}' ] full_command = [pyxbgen_cmd] + generate_command_args if isinstance(pyxbgen_cmd, list) else [pyxbgen_cmd] + generate_command_args print(f"Running generation command: {' '.join(full_command)}") subprocess.check_call(full_command) print(f"Bindings generated to: {output_dir}/{binding_module_name}.py") # 4. Add the output directory to sys.path to import the generated module sys.path.insert(0, output_dir) # 5. Import and use the generated bindings import my_example_bindings # Create an instance of the 'person' element p = my_example_bindings.person(name="Alice", age=30) # Serialize to XML xml_doc = p.toxml('utf-8', element_name='person') print("\nGenerated XML:") print(xml_doc.decode('utf-8')) # Parse XML back into a Python object parsed_p = my_example_bindings.CreateFromDocument(xml_doc) print(f"\nParsed back: Name={parsed_p.name}, Age={parsed_p.age}") # Clean up temporary files shutil.rmtree(temp_dir) print("\nCleaned up temporary files.")