def json_array_to_csv()

in src/alibabacloud_rds_openapi_mcp_server/utils.py [0:0]

• 20 lines of code
• 14 McCabe index (conditional complexity)

def json_array_to_csv(data):
    if not data or not isinstance(data, list):
        return ""

    fieldnames = set()
    for item in data:
        if isinstance(item, dict):
            fieldnames.update(item.keys())
        elif hasattr(item, 'to_map'):
            fieldnames.update(item.to_map().keys())

    if not fieldnames:
        return ""

    output = StringIO()
    writer = csv.DictWriter(output, fieldnames=sorted(fieldnames))

    writer.writeheader()
    for item in data:
        if isinstance(item, dict):
            writer.writerow({k: v if v is not None else '' for k, v in item.items()})
        elif hasattr(item, 'to_map'):
            writer.writerow({k: v if v is not None else '' for k, v in item.to_map().items()})

    return output.getvalue()