regexnight 0.2.0

Command-line tool to print syntax-highlighted versions of regular expressions and spot errors
Documentation 
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#!/usr/bin/env python3
"""
Prints an Insta snapshot of ANSI output.

Requires pyyaml to be installed.
"""
import argparse
import os
import sys

from pathlib import Path

import yaml


def main():
    parser = argparse.ArgumentParser(
        formatter_class=argparse.RawDescriptionHelpFormatter,
        description=__doc__)

    parser.add_argument("snap_file")

    args = parser.parse_args()

    content = Path(args.snap_file).read_text()
    docs = list(yaml.safe_load_all(content))

    snap_bytes = bytes(docs[1])

    with os.fdopen(sys.stdout.fileno(), "wb", closefd=False) as stdout:
        stdout.write(snap_bytes)
        stdout.flush()

    return 0


if __name__ == "__main__":
    sys.exit(main())