34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import sys
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import argparse
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import wireviz.wireviz as wv
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description=
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"""Wireviz Kroki wrapper.
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Reads YAML data from stdin and writes output to stdout.
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Errors and messages from WireViz are printed to stderr.""")
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output_formats = ["svg", "png", "harness"]
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parser.add_argument("--format", type=str, required=True, choices=output_formats,
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help=f"Supported output formats.")
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parser.add_argument("output", type=str, choices=["-"], help="'-' for stdout")
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args = parser.parse_args()
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try:
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data = wv.parse(inp = sys.stdin.read(), return_types=args.format)
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if not args.output == "-":
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raise ValueError("Only stdout output is supported")
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if isinstance(data, str):
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sys.stdout.write(data)
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elif isinstance(data, bytes):
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sys.stdout.buffer.write(data)
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else:
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raise ValueError("Unsupported data format")
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except Exception as e:
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sys.stderr.write(str(e)) |